- MPQ4280-AEC1
MPQ4280-AEC1
Fully Integrated, Full-Bridge Buck Converter and OPAMP for Automotive Wireless Charging Transmitters, AEC-Q100 Qualified
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Description
The MPQ4280 is a fully integrated full-bridge and signal detection device for automotive wireless charging transmitters. It consists of a full-bridge with a low on resistance, a current-sense amplifier with high accuracy, and a 36V high-voltage buck converter.
The integrated full-bridge consists of four N-channel power MOSFETs with low on resistance, as well as integrated gate drivers. It can deliver up to 15A of peak-to-peak current, and provides selectable switching speeds.
The integrated, low-offset current-sense amplifier features an accuracy with a gain error below 1%. The amplifier’s gain is 100V/V, and can be used for input power sensing in wireless charging applications.
The integrated 36V buck converter has an adjustable output voltage (VOUT), and provides a highly efficient output of up to 500mA. This makes it is well-suited for the system supply in wireless charging applications.
The MPQ4280 also provides over-temperature protection (OTP). It is available in a QFN-22 (4mmx5mm) package.
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Features & Benefits
- Integrated Full Bridge:
- Wide 1V to 26V Operating Input Voltage (VIN) Range with 40V Transient
- MOSFET On Resistance (21mΩ per MOSFET)
- Integrated H-Bridge Gate Driver
- 15A Peak-to-Peak Current
- 100kHz to 2MHz PWM Frequency Range
- VIN Over-Voltage Protection (OVP)
- Current-Sense Amplifier:
- 1V to 26V Common-Mode Input Range
- ±35μV Maximum Input Offset Voltage
- 1% Gain Error
- 100V/V Gain
- Integrated 36V Buck Converter:
- Wide 4.7V to 36V VIN Range
- 500mA Maximum Continuous Output Current (IOUT)
- 3.3V to 13V Adjustable Output with 1% Accuracy
- High Efficiency (>90% for 150mA Set-Up_
- Output Over-Current Protection (OCP)
- Output OVP
- System:
- Integrated 5V/65mA LDO with 36V Input
- Enable (EN) Control of the Full Bridge
- Over-Temperature Protection (OTP)
- Available in a QFN-22 (4mmx5mm) Package with Wettable Flanks
- Available in AEC-Q100 Grade 1
Active Part Numbers:
MPQ4280GVE-AEC1-Z MPQ4280GVE-AEC1-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MPQ4280-AEC1 Resources
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