DRV8876-Q1 H-Bridge Motor Driver With Integrated Current Sense and Regulation

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
N-channel H-bridge motor driver
- Drives one bidirectional brushed DC motor
- Two unidirectional brushed DC motors
- Other resistive and inductive loads
4.5-V to 37-V operating supply voltage range
Pin to pin R_DS(on) variants
- DRV8874-Q1: 200-mΩ (High-Side + Low-Side)
- DRV8876-Q1: 700-mΩ (High-Side + Low-Side)
High output current capability
- DRV8874-Q1: 6-A Peak
- DRV8876-Q1: 3.5-A Peak
Integrated current sensing and regulation
Proportional current output (IPROPI)
Selectable current regulation (IMODE)
- Cycle-by-cycle or fixed off time
Selectable input control modes (PMODE)
- PH/EN and PWM H-bridge control modes
- Independent half-bridge control mode
Supports 1.8-V, 3.3-V, and 5-V logic inputs
Ultra low-power sleep mode
- <1-µA @ V_VM = 24-V, T_J = 25°C
Spread spectrum clocking for low electromagnetic interference (EMI)
Integrated protection features
- Undervoltage lockout (UVLO)
- Charge pump undervoltage (CPUV)
- Overcurrent protection (OCP)
  - Automatic retry or outputs latched off (IMODE)
- Thermal shutdown (TSD)
- Automatic fault recovery
- Fault indicator pin (nFAULT)