Brushless DC Drivers
Automotive Three-Phase MOSFET Driver with ASIL Compliance, Diagnostics, and Current Sensing
A4911
The A4911 is designed for safety-critical automotive applications requiring ASIL compliance. It provides integrated current sense amplifiers, extensive diagnostics, and a programmable gate drive for robust and reliable motor control.
Product Details
Product Details
Top Features
- ISO26262 Developed and Certified to ASIL-D
- 150°C Ambient operation
- 165°C minimum thermal shutdown
- Qualified to Q100 Grade 0
- Robust Gate Drive Design allowing up to -18V Negative Transients
- Extended diagnostics
- Gate drive monitors
- Overvoltage detectors
- Logic level, phase-state output
- Open load detect
- Programmable gate drive outputs
- Adjustable drive strength for slew rate limitation
- Adjustable output voltage level for gate drive limitation
- Programmable sense amplifiers
- Adjustable gain
- Adjustable offset
- No external components required
- Low offset drift
- SPI read back & parity bit
Target Application
