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The RT5142 offers highly-integrated multi-channel system power management solutions to meet the performance, efficiency, and feature requirements. <br /><br />The RT5142 incorporates four buck regulators and two LDOs that deliver several output voltages. This provides flexibility to support applications of different VIDs with a configurable power-on sequence.<br /><br />The RT5142 supplies 8 configurable GPIOs for system hardware control requirements. These GPIOs can be configured for multiple purposes, such as, PWRDIS/ Sleep/ Deep Sleep settings for PMIC state machine control, Buck1/2 Enable/Disable setting, Buck3/4 VID control setting, POR_RST_N pin for monitoring PMIC power good and can also be configured as two sets External_EN and External_PG signals. In addition, the GPIOs also support three-state through I<sup>2</sup>C interface configuration when the RT5142 works in the normal mode.
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<div class="spec-list"><ul class="lv1"><li>Input Supply Voltage Range: 2.7V to 3.7V. </li><li>Highly Efficient Programmable Regulators <ul class="lv2"> <li></li><li>BUCK 1: 1.7V to 2.9V, 20mV per step; 4A </li><li>BUCK 2: 0.9V to 2.0V, 10mV per step; 2A </li><li>BUCK 3: 0.5V to 1.3V, 10mV per step; 4A </li><li>BUCK 4: 0.9V to 2.0V, 10mV per step; 2A </li><li>LDO 1: 1.0V to 2.7V, 50mV per step; 400mA </li><li>LDO 2: 1.0V to 2.7V, 50mV per step; 400mA </li></ul> </li><li>Configurable Outputs <ul class="lv2"> <li></li><li>±1.5% Feedback Voltage Accuracy for Full Temperature Range (-40°C to 125°C) </li><li>DVID Change for all Bucks Via I<sup>2</sup>C Interface </li><li>Enable Time for All VRs </li><li>Soft-start Time for All VRs </li><li>Selectable Switching Frequency for Every Buck Rail </li></ul> </li><li>Input OV/UV Warning Indication and Fault Protection </li><li>Outputs OV/UV/OC Fault Protection </li><li>Thermal Shutdown Protection </li><li>Diode Emulation Mode for Light-Load, High Efficiency Operation </li><li>Non-Volatile Register Configurability </li><li>I<sup>2</sup>C Interface 400kHz/1MHz/3.4MHz </li><li>8 GPIOs Multi-functions for Control and Command unit <ul class="lv2"> <li></li><li>POR_RST_N for ASIC to RESET PMIC </li><li>IRQ_N Interrupt Flag </li><li>PWRDIS, SLEEP, Deep SLEEP </li><li>Buck1/2 Enable/Disable </li><li>2 Sets EXT_EN_I and EXT_EN_O </li><li>Buck1/2/3/4 and LDO1/2 Selection by GPIOx </li></ul> </li><li>Ambient Temperature Range: -40°C to 85°C </li><li>Junction Temperature Range: -40°C to 125°C </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>SSD </li></ul></div>
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