DRV8705-Q1 Automotive H-Bridge Smart Gate Driver With
Low-Side Current Sense Amplifier

1 Features

AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, T_A
Functional Safety-Capable
- Documentation available to aid functional safety system design
H-bridge smart gate driver
- 4.9V to 37V (40V abs. max) operating range
- Doubler charge pump for 100% PWM
- Half-bridge and H-bridge control modes
Pin to pin gate driver variants
- DRV8106-Q1: Half-bridge with inline amplifier
- DRV8706-Q1: H-bridge with inline amplifier
Smart gate drive architecture
- Adjustable slew rate control
- 0.5mA to 62mA peak source current output
- 0.5mA to 62mA peak sink current output
- Integrated dead-time handshaking
Low-side current shunt amplifier
- Adjustable gain settings (10, 20, 40, 80V/V)
- Integrated feedback resistors
- Adjustable PWM blanking scheme
Multiple interface options available
- SPI: Detailed configuration and diagnostics
- H/W: Simplified control and less MCU pins
Spread spectrum clocking for EMI reduction
Compact VQFN package with wettable flanks
Integrated protection features
- Dedicated driver disable pin (DRVOFF)
- Supply and regulator voltage monitors
- MOSFET V_DS overcurrent monitors
- MOSFET V_GS gate fault monitors
- Charge pump for reverse polarity MOSFET
- Offline open load and short circuit diagnostics
- Device thermal warning and shutdown
- Fault condition interrupt pin (nFAULT)