MPQ4232-AEC1 4.3-22V, 6A, 280kHz Buck-Boost Converter QFN-19

MPQ4232-AEC1 4.3-22V, 6A, 280kHz Buck-Boost Converter QFN-19

Key Specifications

Features

• 6A Buck-Boost Converter with Four Integrated MOSFETs
• 4.3V to 22V Operating Input Voltage (VIN) Range, with a 36V Withstand VIN
• 24V Input Over-Voltage (OV) Shutdown Protection
• 1V to 22V Output Voltage (VOUT) Range
• I2C-Configurable Reference Voltage (VREF) Range: 0.1V to 2.147V with 1mV Resolution
• Up to 98.82% Peak Efficiency
• Integrated 5V/60mA Low-Dropout (LDO) Regulator to Supply External Microcontroller Unit (MCU)
• Selectable Input or Output Constant-Current (CC) Limit with 5% Accuracy via Factory Trimming FEATURES (continued)
• Accurate Output Current (IOUT) Monitor
• Selectable 280kHz, 420kHz, 600kHz, or 1MHz Switching Frequency (fSW) with Frequency Spread Spectrum (FSS)

Applications

• Generic Buck-Boost
• USB Power Delivery (PD)
• Wireless Charging
• Automotive Camera Electronic Control Units (ECUs)
• Automotive Lighting

Design Notes

• Buck-boost operation keeps the output regulated either side of the input, which costs efficiency compared with a pure buck at the same rating.
• Power switches are integrated, so the thermal path is the PCB copper under the pad.
• AEC-Q100 qualification suits this part to automotive rails.
• Package QFN-19 — check the land pattern in the datasheet before layout.

Common Questions