Description: 4.6V to 5.5V VCC Supply Voltage Range
3.3V to 21V Bus Voltage (VBUS) Range
Integrated Physical Layer for Biphase Mark
Code (BMC)
Integrated Protocol Layer
Integrated Policy Engine
Supports One Type-C Downward-Facing
Port (DFP) with USB PD 3.0 and a
Programmable Power Supply (PPS)
Supports Dedicated Charging Port (DCP)
Schemes for BC1.2, Apple Divider 3 Mode,
and 1.2V/1.2V Mode
Supports Quick Charge 3.0 (QC3.0) and
Huawei Fast Charge Protocol (FCP)
Low 100µA Standby Quiescent
The recommended PCB layout for optimal thermal performance involves placing the device on a 2-layer or 4-layer board with a solid ground plane on the bottom layer, and using thermal vias to connect the exposed pad to the ground plane. Additionally, keeping the input and output capacitors close to the device and using short, wide traces can help reduce thermal resistance.
To ensure stable operation with a high-ESR output capacitor, it is recommended to add a small ceramic capacitor (e.g. 10nF) in parallel with the output capacitor to provide a low-ESR path for high-frequency noise. Additionally, the output capacitor should be placed close to the device and the output voltage sense lines should be connected directly to the capacitor.
The maximum allowed input voltage ripple for the MP5031GRE-00A3-Z is 10% of the input voltage, but it is recommended to keep the input voltage ripple below 5% to ensure stable operation and minimize output voltage ripple.
The MP5031GRE-00A3-Z is rated for operation up to 125°C, but the device's performance and reliability may be affected at high temperatures. It is recommended to derate the output current and input voltage according to the temperature derating curve in the datasheet to ensure reliable operation.
To troubleshoot output voltage instability or oscillation issues, check the input voltage, output capacitor, and PCB layout for any issues. Ensure that the input voltage is within the recommended range, the output capacitor is properly selected and placed, and the PCB layout is optimized for thermal performance and noise reduction. Additionally, check for any noise or interference on the input or output lines.
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MP5031GRE-00A3-Z Overview
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