A4911-1A Overview
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. The A4911 is intended for automotive systems that must meet ASIL requirements. In mon with other Allegro A2-SIL™ products, it incorporates.
A4911-1A 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