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Monolithic Power Systems MPQ4214 | Demoboard EVQ4214-U-00A
40V, Synchronous Buck-Boost Controller with I2C and Adjustable OCP via IPWM, AEC-Q100 Qualified
Overview
| Topology | Buck-Boost Converter |
| Input voltage | 6-40 V |
| Output 1 | 36 V / 5 A |
| IC revision | 1.2 |
Description
The EVQ4214-U-00A Evaluation Board is designed to demonstrate the capabilities of MPS’ MPQ4214GU-AEC1.The MPQ4214GU-AEC1 is a synchronous, four-switch, buck-boost controller capable of regulating different output voltages with a wide input voltage range and high efficiency. The MPQ4214 provides an I2C interface, which supports VOUT voltage programmability, VOUT slew-rate control and constant output current limit programmability, making the MPQ4214suitable for USB power delivery (PD) design in USB Type-C power supplies.
Features
- 6V to 40V Startup Input Voltage Range
- 5V to 40V Operation Input Voltage Range
- Flexible Reference Voltage Selection:
- MPQ4214GU: Programmable VREF Voltage
- MPQ4214 Flexible I2C Interface Control for:
- 0.5V to 36V Output Voltage Range
- 0.3V to 2.047V Reference Voltage Range with 1mV Steps
- Selectable VOUT Slew Rate
- 0.6A Steps Programmable Output Constant Current Limit
- <50mA Steps Output Current Limit Adjusting through IPWM Pin
- Frequency Dithering Function for EMI Optimization
- Integrated VOUT Discharge Function
- Selectable 200kHz, 300kHz, 400kHz, and 600kHz Switching Frequency
- OCP, SCP, and OVP
- Output Enters High Impedance State during EN Shutdown
- Interrupt Indicator for CC, OCP, OVP and OTP
- Available in a QFN-27(5mmx5mm) Package
- Available in AEC-Q100 Grade 1
Typical applications
- USB Power Delivery, Industrial PC Power Supplies
- Wireless Charging, High Power LED Driver