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The RT5028B is a highly-integrated low-power high-performance analog SOC with PMIC in one single chip designed for Industrial applications. The RT5028B includes four synchronous step-down DC-DC converters and eight LDOs for system power. The RT5028B also embeds one EEPROM (MTP) for setting sequence and timing etc. Additionally, the RT5028B PMIC also includes one IRQ report.
RT5028B Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>Input Voltage Operating Range is 3.3V to 5.5V </li><li>Step-Down Regulator : V<sub>IN</sub> Range is 3.3V to 5.5V <ul class="lv2"> <li></li><li>Max Current 2.5A/2.5A/1.6A/2A </li><li>Programmable Frequency from 500kHz to 2MHz </li><li>I<sup>2</sup>C Programmable Output Level </li><li>I<sup>2</sup>C Programmable Operation Mode (Force PWM or Auto PSM/PWM) </li><li>I<sup>2</sup>C Programmable Output Discharge Mode (Discharge or Flatting) </li></ul> </li><li>Linear Regulators : V<sub>IN</sub> Range is 2.5V to 5.5V <ul class="lv2"> <li></li><li>Max Current 0.3A </li><li>I<sup>2</sup>C Programmable Output Level </li></ul> </li><li>Embedded 32Bytes MTP for Factory Tuning <ul class="lv2"> <li></li><li>External MTP Pin for Write Protection </li></ul> </li><li>Sequence can be Controlled by I<sup>2</sup>C or Each EN Pins Defined by MASK_GPIO Pin </li><li>OT/UVP/VIN LV/POWRON Press Time Interrupt (IRQ). <ul class="lv2"> <li></li><li>I<sup>2</sup>C Control Interface : Support Fast Mode up to 400kb/s </li></ul> </li></ul></div>
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RT5028B Ordering Information
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<div class="spec-list"><ul class="lv1"><li>Industrial </li></ul></div>
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