DRV816x 100V Half-Bridge Smart Gate Driver with Integrated Protection and Current Sense Amplifier

1 Features

Drives two N-channel MOSFETs in half-bridge configuration
- High-side MOSFET source/drain up to 102V (absolute max)
- 8V (5V DRV8162L) to 20V gate drive power supply
- Integrated bootstrap diode
Functional Safety Quality-Managed
- Documentation available to aid functional safety system design
Supports 100% PWM duty cycle with an integrated trickle charge pump
16-level gate drive peak current
- 16mA - 1000mA source current
- 32mA - 2000mA sink current
- Source-sink current ratio 1:1, 1:2, 1:3
Adjustable PWM dead time insertion 20ns - 900ns
Robust design for motor phase (SH) switching
- Slew rate 50V/ns
- Negative transient voltage -20V
- 2A strong gate pull down
Split gate drive supply inputs for redundant shutdown (DRV8162, DRV8162L)
Low-offset current sense amplifier (DRV8161)
- Adjustable gain (5, 10, 20, 40V/V)
Flexible PWM control interface; 2-pin PWM, 1-pin PWM, and independent PWM mode
13-level VDS over current threshold
Independent shutdown pin (nDRVOFF)
Gate driver soft shutdown sequence
Integrated protection features
- GVDD under voltage (GVDDUV)
- Bootstrap under voltage (BST_UV)
- MOSFET over current protection (VDS)
- Shoot through protection
- Thermal shutdown (OTSD)
- Fault condition indicator (nFAULT)
Supports 3.3V, and 5V Logic Inputs