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MP4246 4-22V, 6A, 280kHz Buck-Boost Converter QFN-19
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pMPS MP4246 — buck-boost converter, 4-22V input, 6A output, 280 kHz, QFN-19./p
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MP4246 4-22V, 6A, 280kHz Buck-Boost Converter QFN-19
MPS MP4246 is a buck-boost converter that accepts 4 V to 22 V input, delivers 6 A, switches at 280 kHz, supplied in a QFN-19 package.
Key Specifications
| Part Number | MP4246 |
| Input Voltage | 4 V to 22 V |
| Output Voltage | 1 V to 22 V |
| Output Current | 6 A |
| Switching Frequency | 280 kHz |
| Topology | Buck-Boost Converter |
| Package | QFN-19 |
| Ordering Codes | MP4246 |
Features
- 6A Buck-Boost Converter with Four Integrated MOSFETs
- 4V to 22V Operating Input Voltage (VIN) Range, with a Withstand VIN Up to 36V
- 24V Input Over-Voltage (OV) Shutdown Protection
- 1V to 22V Output Voltage (VOUT) Range
- I2C-Configurable, 0.1V to 2.147V Reference Voltage (VREF) Range with 1mV Resolution
- Up to 98.82% Peak Efficiency
- Integrated 5V/60mA Low-Dropout (LDO) Regulator to Supply the External Microcontroller Unit (MCU)
- Constant Current (CC) Limit with 5% Accuracy
- Selectable Input or Output CC Limit with 5% Accuracy via Factory Trimming
- Accurate Output Current (IOUT) Monitoring
Applications
- USB Type-C and USB Power Delivery (PD)
- USB Type-C and USB Type-A Communication Interfaces
- Wireless Charging
- USB Type-C Car Chargers
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.
- Package QFN-19 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP4246?
4–22 V input and 6 A output.
What switching frequency does the MP4246 run at?
280 kHz.
Which package is the MP4246 available in?
QFN-19.
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