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DATA SHEET
DRV835x 100-V Three-Phase Smart Gate Driver
1 Features
- 9 to 100-V, Triple half-bridge gate driver
- Optional integrated buck regulator
- Optional triple low-side current shunt amplifiers
- Smart gate drive architecture
- Adjustable slew rate control for EMI performance
- VGS handshake and minimum dead-time insertion to prevent shoot-through
- 50-mA to 1-A peak source current
- 100-mA to 2-A peak sink current
- dV/dt mitigation through strong pulldown
- Integrated gate driver power supplies
- High-side doubler charge pump For 100% PWM duty cycle control
- Low-side linear regulator
- Integrated LM5008A buck regulator
- 6 to 95-V operating voltage range
- 2.5 to 75-V, 350-mA output capability
- Integrated triple current shunt amplifiers
- Adjustable gain (5, 10, 20, 40 V/V)
- Bidirectional or unidirectional support
- 6x, 3x, 1x, and independent PWM modes
- Supports 120° sensored operation
- SPI or hardware interface available
- Low-power sleep mode (20 µA at VVM = 48-V)
- Integrated protection features
- VM undervoltage lockout (UVLO)
- Gate drive supply undervoltage (GDUV)
- MOSFET VDS overcurrent protection (OCP)
- MOSFET shoot-through prevention
- Gate driver fault (GDF)
- Thermal warning and shutdown (OTW/OTSD)
- Fault condition indicator (nFAULT)
2 Applications
- 3-phase brushless-DC (BLDC) motor modules
- Fans, blowers, and pumps
- E-Bikes, E-scooters, and E-mobility
- Power and garden tools, lawn mowers
- Drones, robotics, and RC toys
- Factory automation and textile machines
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