Allegro MicroSystems Full Bridge MOSFET Driver, 5.5V to 50V, TSSOP-28
Full bridge MOSFET driver for N-channel power MOSFETs. 5.5V to 50V supply, 90ns delay, AEC-Q100 qualified. Ideal for automotive applications.
The Allegro MicroSystems Full Bridge MOSFET Driver is designed for use with external N-channel power MOSFETs, supplied in a 28-pin TSSOP surface mount package. It features a unique charge pump regulator that provides full gate drive (greater than 10V) for battery voltages down to 7V, and operates with reduced gate drive down to 5.5V.
A bootstrap capacitor provides the above-battery supply voltage required for N-channel MOSFETs, whilst an internal charge pump for high-side drive enables DC operation at 100% duty cycle. The driver includes integrated diagnostics that indicate undervoltage, overtemperature, and power bridge faults. These diagnostics can be configured to protect power MOSFETs under most short circuit conditions.
Key Features
- High-side or low-side PWM switching
- Charge pump for low supply voltage operation
- Top-off charge pump for 100% PWM
- Cross conduction protection with adjustable dead time
- Supply voltage range from 5.5V to 50V
- 90ns turn-off and turn-on propagation delay
- Diagnostics output
- Low current sleep mode
- Operating temperature range from -40°C to 150°C
- AEC-Q100 qualified
With robust protection features and a wide operating temperature range, this MOSFET driver is suitable for demanding automotive applications requiring reliable power bridge control.
- For automotive applications
- For high-side PWM switching
- For low-side PWM switching
- For DC (100% duty cycle) operation
- Driver Configuration: Full Bridge
- Power Switch Type: MOSFET
- Number of Pins: 28
- IC Case / Package: TSSOP
- IC Mounting: Surface Mount
- Supply Voltage Min: 5.5V
- Supply Voltage Max: 50V
- Operating Temperature Min: -40°C
- Operating Temperature Max: 150°C
- Input Delay: 90ns
- Output Delay: 90ns
- Qualification: AEC-Q100
- Weight: 0.698 grams
- Height: 43 mm
- Width: 33 mm
- Depth: 15 mm
- of Pins: 28Pins
- SVHC: No SVHC (17-Jan-2023)
Documents
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