Datasheet Details
| Part number | A4911-1A |
|---|---|
| Manufacturer | Allegro MicroSystems |
| File Size | 2.66 MB |
| Description | Automotive Three-Phase MOSFET Driver |
| Datasheet |
 A4911-1A Datasheet
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General Description
The A4911 is an N-channel power MOSFET driver capable of controlling MOSFETs connected in a three-phase bridge arrangement and is specifically designed for automotive applications with high-power inductive loads, such as BLDC motors.
Key Features
- Three-phase bridge MOSFET driver.
- Bootstrap gate drive for N-channel MOSFET bridge.
- Cross-conduction protection with adjustable dead time.
- Charge pump for low supply voltage operation.
- Top-off charge pump for 100% PWM.
- Programmable gate drive voltage and strength.
- 5.5 to 50 V supply voltage operating range.
- Integrated logic supply.
- Logic level phase state outputs.
- Three current sense amplifiers.