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Monolithic Power Systems MPQ4475 | Demoboard EVQ4475-R-00A
2.5A, 36V, Frequency Selectable Step-Down Converter with Single USB Charging Port
Overview
| Topology | Buck Converter |
| Input voltage | 7-36 V |
| Switching frequency | 150-350 kHz |
| Output 1 | 5 V / 2.5 A |
| IC revision | 1.0 |
Description
MPQ4475 integrates a monolithic step-down switch mode converter and one USB current limit switch with charging port identification circuit. It achieves 2.5A continuous output current over a wide input supply range with excellent load and line regulation.
Features
- Wide 7V to 36V Operating Input Voltage Range
- Fixed 5V Output Voltage with Line Drop Compensation
- Accurate Output Current Limit
- 350kHz/250kHz/150kHz Frequency Selectable
- Programmable Line Drop Compensation
- Supporting DCP schemes for BC1.2, Divider Mode, and 1.2V/1.2V Mode
- ±8kV HBM ESD Rating for USB, DP, and DM Pins
Typical applications
- Automotive USB Smart Charging Ports/ USB Dedicated Charging Port (DCP)