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Data Sheet
DRV871x-Q1 Automotive Multi-Channel Smart Half-Bridge Gate Drivers
With Wide Common Mode Inline Current Sense Amplifiers
1 Features
- AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, TA
- Multi-channel half-bridge gate drivers
- Pin to pin 4 and 8
half-bridge driver variants
- 4.9V to 37V (40V abs.
max) operating range
- 4 PWM inputs with output
mapping
- Tripler charge pump for
100% PWM
- Half-bridge, H-bridge,
and SPI control modes
- Smart multi-stage gate drive architecture
- Adjustable slew rate control
- Adaptive propagation delay control
- 50µA to 62mA peak source current output
- 50µA to 62mA peak sink current output
- Integrated dead-time handshaking
- 2x wide common mode current shunt amplifiers
- Supports inline, high-side, or low-side
- Adjustable gain settings (10, 20, 40, 80V/V)
- Multiple interface options available
- SPI: Detailed configuration and diagnostics
- H/W: Simplified control and less MCU pins
- Compact VQFN packages with wettable flanks
- Integrated protection features
- Dedicated driver disable pin (DRVOFF)
- Low IQ, sleep mode motor braking (BRAKE)
- Supply and regulator voltage monitors
- MOSFET VDS overcurrent monitors
- MOSFET VGS gate fault monitors
- Charge pump for reverse polarity MOSFET
- Offline open load and short circuit diagnostics
- Device thermal warning and shutdown
- Window watchdog timer
- Fault condition interrupt pin (nFAULT)
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