Name: EVB_RT9458WSC
Brand: Richtek

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RT9458 为适用于便携式应用的开关单节锂离子／锂聚合物电池充电器。内置同步 PWM 控制器、功率 MOSFET、输入电流检测、高精度电压调节及充电终止电路。此外，RT9458 还支持 USB On-The-Go（OTG）功能。

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1. Purpose

The RT9458 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for portable applications. It integrates a synchronous PWM controller, power MOSFETs, input current sensing, high accuracy voltage regulation and charge termination circuits. The RT9458 also features USB On-The-Go (OTG). This document explains the function and use of the RT9458 evaluation board (EVB), and provides information to enable operation, modification of the evaluation board and circuit to suit individual requirements.

2. Introduction

<h3>General Product Information</h3> The RT9458 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for portable applications. It integrates a synchronous PWM controller, power MOSFETs, input current sensing, high accuracy voltage regulation and charge termination circuits. The RT9458 also features USB On-The-Go (OTG).

3. Product Feature

<ul> <li>Support Quick Start for Charger</li> <li>High Accuracy Voltage/Current Regulation</li> <li>Input Current Regulation : 100mA/500mA/700mA/1A</li> <li>Minimum Input Voltage Regulation : 4.1V to 4.7V Per 0.1V Step</li> <li>Charge Voltage Regulation Accuracy : ±1% (0 to 85°C)</li> <li>Charge Current Regulation Accuracy : ±5%</li> <li>Built-In Input Current Sensing and Limiting</li> <li>Integrated Power MOSFETS for Up to 1.55A Charge Rate</li> <li>Integrated Sensing Resistors for Charging Current Sensing</li> <li>Synchronous 1.5MHz Fixed Frequency PWM Controller with Up to 95% Duty Cycle</li> <li>Reverse Leakage Protection to Prevent Battery Drainage</li> <li>Thermal Regulation and Protection</li> <li>Over-Temperature Protection</li> <li>Input Over-Voltage Protection</li> <li>IRQ Output for Communication with I2C</li> <li>Automatic Charging</li> <li>RoHS Compliant and Halogen Free</li> </ul>

4. Key Performance Summary Table

<table class="MsoTableLightListAccent2" border="1" cellspacing="0" cellpadding="0" width="683" style="width:512.35pt;margin-left:4.7pt;border-collapse:collapse; border:none"> <tr style="height:17.0pt"> <td width="33%" style="width:33.88%;border:solid #009EB8 1.0pt;background: #009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Key Features </td> <td width="66%" style="width:66.12%;border:solid #009EB8 1.0pt;border-left: none;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Evaluation Board Number : PCB099_V1 </td> </tr> <tr style="height:17.0pt"> <td width="33%" style="width:33.88%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Input Voltage </td> <td width="66%" style="width:66.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 4.3V to 6V </td> </tr> <tr style="height:17.0pt"> <td width="33%" style="width:33.88%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Output Voltage </td> <td width="66%" style="width:66.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 3.5V to 4.44V </td> </tr> <tr style="height:17.0pt"> <td width="33%" style="width:33.88%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Max Output Current </td> <td width="66%" style="width:66.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 1.55A </td> </tr> <tr style="height:17.0pt"> <td width="33%" style="width:33.88%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Package Type </td> <td width="66%" style="width:66.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> RT9458WSC, WL-CSP-20B 2.1x1.87 (BSC) </td> </tr> </table>

5. Bench Test Setup Conditions

<h3>Headers Description and Placement</h3> <a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt9458wsc/html-images/image001_en.jpg"><img width="453" height="417" id="圖片 3" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt9458wsc/html-images/image001_en.jpg" alt="Technical Document Image Preview" /></a> Carefully inspect all the components used in the EVB according to the following Bill of Materials table, and then make sure all the components are undamaged and correctly installed. If there is any missing or damaged component, which may occur during transportation, please contact our distributors or e-mail us at <a href="mailto:evb_service@richtek.com" class="link">evb_service@richtek.com</a>.

6. Test Points

The EVB is provided with the test points and pin names listed in the table below. <table class="MsoTableLightListAccent2" border="1" cellspacing="0" cellpadding="0" width="680" style="width:510.2pt;margin-left:5.4pt;border-collapse:collapse; border:none"> <thead> <tr style="height:1.0cm"> <td width="13%" style="width:13.9%;border:solid #009EB8 1.0pt;background: #009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> Test point/ Pin name </td> <td width="23%" style="width:23.7%;border:solid #009EB8 1.0pt;border-left: none;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> Signal </td> <td width="62%" style="width:62.4%;border:solid #009EB8 1.0pt;border-left: none;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> Comment (expected waveforms or voltage levels on test points) </td> </tr> </thead> <tr style="height:17.0pt"> <td width="13%" style="width:13.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> VIN </td> <td width="23%" style="width:23.7%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Input voltage </td> <td width="62%" style="width:62.4%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Power input. </td> </tr> <tr style="height:17.0pt"> <td width="13%" style="width:13.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> STAT </td> <td width="23%" style="width:23.7%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Interrupt </td> <td width="62%" style="width:62.4%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> IRQ output node. Open-drain output. Connect a 10kΩ pull up resistor. </td> </tr> <tr style="height:1.0cm"> <td width="13%" style="width:13.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> MID </td> <td width="23%" style="width:23.7%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> VMID </td> <td width="62%" style="width:62.4%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> Connection point between reverse blocking MOSFET and high-side MOSFET. </td> </tr> <tr style="height:1.0cm"> <td width="13%" style="width:13.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> OTG </td> <td width="23%" style="width:23.7%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> OTG </td> <td width="62%" style="width:62.4%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> Boost mode control input or current regulation setting for average input current. </td> </tr> <tr style="height:17.0pt"> <td width="13%" style="width:13.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> ISNSIN </td> <td width="23%" style="width:23.7%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> ISNSIN </td> <td width="62%" style="width:62.4%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Charge current sense input. </td> </tr> <tr style="height:17.0pt"> <td width="13%" style="width:13.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> LX </td> <td width="23%" style="width:23.7%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> LX </td> <td width="62%" style="width:62.4%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Switch node. </td> </tr> <tr style="height:1.0cm"> <td width="13%" style="width:13.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> SCL </td> <td width="23%" style="width:23.7%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> SCL </td> <td width="62%" style="width:62.4%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> Clock input for I2C. Open-drain output. Connect a 10kΩ pull-up resistor. </td> </tr> <tr style="height:1.0cm"> <td width="13%" style="width:13.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> BOOT </td> <td width="23%" style="width:23.7%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> BOOT </td> <td width="62%" style="width:62.4%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> Bootstrap supply for high-side MOSFET. Connect a capacitor between BOOT and LX. </td> </tr> <tr style="height:1.0cm"> <td width="13%" style="width:13.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> SDA </td> <td width="23%" style="width:23.7%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> SDA </td> <td width="62%" style="width:62.4%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> Data input for I2C. Open-drain output. Connect a 10kΩ pull-up resistor. </td> </tr> <tr style="height:17.0pt"> <td width="13%" style="width:13.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> VPULL </td> <td width="23%" style="width:23.7%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Pull high voltage </td> <td width="62%" style="width:62.4%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Pull high voltage source for SDA, SCL and IRQ. </td> </tr> <tr style="height:17.0pt"> <td width="13%" style="width:13.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> VBAT </td> <td width="23%" style="width:23.7%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> VBAT </td> <td width="62%" style="width:62.4%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Feedback voltage input for battery. </td> </tr> <tr style="height:17.0pt"> <td width="13%" style="width:13.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> BATS </td> <td width="23%" style="width:23.7%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> BATS </td> <td width="62%" style="width:62.4%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Test pin for measure battery voltage. </td> </tr> <tr style="height:17.0pt"> <td width="13%" style="width:13.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> GND </td> <td width="23%" style="width:23.7%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> GND </td> <td width="62%" style="width:62.4%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Ground. </td> </tr> </table>

7. Power-up & Measurement Procedure

1. Connect power supply termination to VIN Pin and GND Pin respectively. 2. Set PSU Voltage 4.3 to 6V and then power on PSU. 3. Check VBAT = 4.2V ±1% on EVB. 4. Switch charger work normally.

8. Schematic, Bill of Materials & Board Layout

<h3>EVB Schematic Diagram</h3> <a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt9458wsc/html-images/image002_en.jpg"><img border="0" width="680" height="452" id="圖片 6" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt9458wsc/html-images/image002_en.jpg" alt="Technical Document Image Preview" /></a>

9. Bill of Materials

<table class="MsoTableLightListAccent2" border="1" cellspacing="0" cellpadding="0" width="680" style="margin-left:5.4pt;border-collapse:collapse;border:none"> <tr style="height:17.0pt"> <td width="15%" style="width:15.92%;border:solid #009EB8 1.0pt;background: #009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Reference </td> <td width="5%" style="width:5.48%;border:solid #009EB8 1.0pt;border-left: none;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Qty </td> <td width="26%" style="width:26.9%;border:solid #009EB8 1.0pt;border-left: none;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Part Number </td> <td width="20%" style="width:20.28%;border:solid #009EB8 1.0pt;border-left: none;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Description </td> <td width="17%" style="width:17.6%;border:solid #009EB8 1.0pt;border-left: none;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Package </td> <td width="13%" style="width:13.82%;border:solid #009EB8 1.0pt;border-left: none;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> Manufacturer </td> </tr> <tr style="height:1.0cm"> <td width="15%" style="width:15.92%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> U1 </td> <td width="5%" style="width:5.48%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> 1 </td> <td width="26%" style="width:26.9%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> RT9458WSC </td> <td width="20%" style="width:20.28%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> Switching Charger </td> <td width="17%" style="width:17.6%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> WL-CSP-20B 2.1x1.87 (BSC) </td> <td width="13%" style="width:13.82%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> RICHTEK </td> </tr> <tr style="height:17.0pt"> <td width="15%" style="width:15.92%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> C2 </td> <td width="5%" style="width:5.48%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 1 </td> <td width="26%" style="width:26.9%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> GRM155R61E474KE01 </td> <td width="20%" style="width:20.28%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 0.47µF/25V/X5R </td> <td width="17%" style="width:17.6%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 0402 </td> <td width="13%" style="width:13.82%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> muRata </td> </tr> <tr style="height:17.0pt"> <td width="15%" style="width:15.92%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> C3 </td> <td width="5%" style="width:5.48%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 1 </td> <td width="26%" style="width:26.9%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> GRM155R71E473KA88D </td> <td width="20%" style="width:20.28%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 47nF/25V/X7R </td> <td width="17%" style="width:17.6%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 0402 </td> <td width="13%" style="width:13.82%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> muRata </td> </tr> <tr style="height:17.0pt"> <td width="15%" style="width:15.92%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> C4 </td> <td width="5%" style="width:5.48%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 1 </td> <td width="26%" style="width:26.9%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> GRM188R61C106KAAL </td> <td width="20%" style="width:20.28%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 10µF/16V/X5R </td> <td width="17%" style="width:17.6%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 0603 </td> <td width="13%" style="width:13.82%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> muRata </td> </tr> <tr style="height:17.0pt"> <td width="15%" style="width:15.92%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> C6 </td> <td width="5%" style="width:5.48%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 1 </td> <td width="26%" style="width:26.9%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> C1005X7R1C104K050BC </td> <td width="20%" style="width:20.28%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 100nF/16V/X7R </td> <td width="17%" style="width:17.6%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 0402 </td> <td width="13%" style="width:13.82%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> TDK </td> </tr> <tr style="height:17.0pt"> <td width="15%" style="width:15.92%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> C10 </td> <td width="5%" style="width:5.48%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 1 </td> <td width="26%" style="width:26.9%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> GRM185R60J106ME15 </td> <td width="20%" nowrap style="width:20.28%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 10µF/6.3V/X5R </td> <td width="17%" style="width:17.6%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 0603 </td> <td width="13%" style="width:13.82%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> muRata </td> </tr> <tr style="height:17.0pt"> <td width="15%" style="width:15.92%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> L1 </td> <td width="5%" style="width:5.48%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 1 </td> <td width="26%" style="width:26.9%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> DFE252012F-1R0M </td> <td width="20%" nowrap style="width:20.28%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 1µH </td> <td width="17%" style="width:17.6%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 2.5x2mm </td> <td width="13%" style="width:13.82%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> muRata </td> </tr> <tr style="height:17.0pt"> <td width="15%" style="width:15.92%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> R1 </td> <td width="5%" style="width:5.48%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 1 </td> <td width="26%" style="width:26.9%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> RL10FTNR056 </td> <td width="20%" nowrap style="width:20.28%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 56mΩ </td> <td width="17%" style="width:17.6%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 0805 </td> <td width="13%" style="width:13.82%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> TA-I </td> </tr> <tr style="height:17.0pt"> <td width="15%" style="width:15.92%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> R2, R3, R4, R5 </td> <td width="5%" style="width:5.48%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 4 </td> <td width="26%" style="width:26.9%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> WR04X1002FTL </td> <td width="20%" nowrap style="width:20.28%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 10kΩ </td> <td width="17%" style="width:17.6%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> 0402 </td> <td width="13%" style="width:13.82%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> WALSIN </td> </tr> </table>

10. PCB Layout

<a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt9458wsc/html-images/image003_en.jpg"><img border="0" width="378" height="346" id="圖片 4" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt9458wsc/html-images/image003_en.jpg" alt="Technical Document Image Preview" /></a> Top View (1st layer) <a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt9458wsc/html-images/image004_en.jpg"><img border="0" width="378" height="346" id="圖片 5" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt9458wsc/html-images/image004_en.jpg" alt="Technical Document Image Preview" /></a> PCB Layout—Inner Side (2nd Layer) <a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt9458wsc/html-images/image005_en.jpg"><img border="0" width="378" height="349" id="圖片 7" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt9458wsc/html-images/image005_en.jpg" alt="Technical Document Image Preview" /></a> PCB Layout—Inner Side (3rd Layer) <a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt9458wsc/html-images/image006_en.jpg"><img border="0" width="378" height="347" id="圖片 8" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt9458wsc/html-images/image006_en.jpg" alt="Technical Document Image Preview" /></a> Bottom View (4th Layer)

width

fixed-width

overviewSection

design-resources

designResourceMultipleTable

width

fixed-width

designResourceSection

i18n(tabs.related-product.title)

relatedProductTabs

i18n(tab-item.parameter-section.title)

parameterSection

parameterSectionTab

i18n(tab-item.package-size-pin-size-section.title)

packageSizePinsSizeSection

packageSizePinsSizeSectionTab

i18n(tab-item.product-feature-section.title)

productFeatureSection

productFeatureSectionTab

buttonSeeProductDifferences

text-with-icon

right

secondary-m

tertiary

i18n(button-item.see-product-differences.button-label)

i18n(button-item.see-product-differences.button-link)

_self

false

buttonFindOtherCategory

dropdown

i18n(button-item.find-other-category.button-label)

i18n(button-item.find-other-category.button-link)

_self

category-list

width

fixed-width

backgroundColor

F5F6F8

relatedProductSection

scrollable-table

parameterTable

width

fixed-width

parameterSection

normal-table

table-group

package-size-pins-size

packageSizePinsSizeTable

width

fixed-width

packageSizePinsSizeSection

productFeature

width

fixed-width

productFeatureSection

i18n(tabs.ordering-information.title)

orderingInformationTabs

i18n(tab-item.evb-section.title)

evbSection

evbSectionTab

i18n(tab-item.product-section.title)

productSection

productSectionTab

width

fixed-width

orderingInformationSection

evbImageSwitcher

normal-table

card-list

evb

evbTable

width

fixed-width

evbSection

productImageSwitcher

normal-table

card-list

products

productTable

width

fixed-width

productSection