Overview
The DRV8874QPWPRQ1 is an integrated motor driver produced by Texas Instruments, designed for driving brushed DC motors in various automotive and industrial applications. This device features an N-channel H-bridge configuration, a charge pump, and integrated current sensing and regulation. It is AEC-Q100 qualified for automotive applications, with a temperature range of –40°C to +125°C, and is functional safety-capable. The DRV8874QPWPRQ1 supports a wide operating supply voltage range of 4.5-V to 37-V and can drive one bidirectional brushed DC motor or two unidirectional brushed DC motors, as well as other resistive and inductive loads.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of full bridges | 1 | |
| Vs (min) | 4.5 | V |
| Vs ABS (max) | 40 | V |
| Peak output current | 6 | A |
| RDS(ON) (HS + LS) | 200 | mΩ |
| Sleep current | 0.75 | µA |
| Control mode | Independent 1/2-Bridge, PH/EN, PWM | |
| Control interface | Hardware (GPIO) | |
| Features | Integrated Current Sensing | |
| Rating | Automotive | |
| Operating temperature range | –40 to 125 | °C |
| Package | HTSSOP-16 |
Key Features
- AEC-Q100 qualified for automotive applications with a temperature grade 1: –40°C to +125°C.
- Functional Safety-Capable with documentation available to aid functional safety system design.
- N-channel H-bridge motor driver capable of driving one bidirectional brushed DC motor or two unidirectional brushed DC motors, as well as other resistive and inductive loads.
- Operating supply voltage range of 4.5-V to 37-V.
- High output current capability with a peak of 6-A.
- Integrated current sensing and regulation with proportional current output (IPROPI) and selectable current regulation (IMODE).
- Selectable input control modes (PMODE) including PH/EN, PWM, and independent half-bridge control.
- Supports 1.8-V, 3.3-V, and 5-V logic inputs.
- Ultra low-power sleep mode with quiescent current draw of less than 1 µA at VVM = 24-V and TJ = 25°C.
- Spread spectrum clocking for low electromagnetic interference (EMI).
- Integrated protection features including undervoltage lockout (UVLO), charge pump undervoltage (CPUV), overcurrent protection (OCP), thermal shutdown (TSD), and automatic fault recovery with a fault indicator pin (nFAULT).
Applications
- Brushed DC motors in automotive and industrial applications.
- Servo motors and actuators.
- On-Board Charger (OBC) inlet locking.
- Siren and piezo applications.
- Side mirror tilt and fold mechanisms.
- E-shifter adjust and lock systems.
Q & A
- Q: What is the maximum operating voltage for the DRV8874QPWPRQ1?
A: The DRV8874QPWPRQ1 can operate up to 40 V. - Q: Does the DRV8874QPWPRQ1 provide overcurrent protection?
A: Yes, the DRV8874QPWPRQ1 features overcurrent protection to ensure safe motor control operation. - Q: What is the peak output current capability of the DRV8874QPWPRQ1?
A: The DRV8874QPWPRQ1 has a peak output current capability of 6 A. - Q: What are the supported logic input voltages for the DRV8874QPWPRQ1?
A: The DRV8874QPWPRQ1 supports 1.8-V, 3.3-V, and 5-V logic inputs. - Q: What is the operating temperature range for the DRV8874QPWPRQ1?
A: The operating temperature range is –40°C to +125°C. - Q: Does the DRV8874QPWPRQ1 have integrated current sensing and regulation?
A: Yes, it features integrated current sensing and regulation with proportional current output (IPROPI) and selectable current regulation (IMODE). - Q: What is the quiescent current draw in sleep mode for the DRV8874QPWPRQ1?
A: The quiescent current draw in sleep mode is less than 1 µA at VVM = 24-V and TJ = 25°C. - Q: What protection features are integrated into the DRV8874QPWPRQ1?
A: The device includes undervoltage lockout (UVLO), charge pump undervoltage (CPUV), overcurrent protection (OCP), thermal shutdown (TSD), and automatic fault recovery with a fault indicator pin (nFAULT). - Q: What package type is the DRV8874QPWPRQ1 available in?
A: The DRV8874QPWPRQ1 is available in a HTSSOP-16 package. - Q: Is the DRV8874QPWPRQ1 functional safety-capable?
A: Yes, the DRV8874QPWPRQ1 is functional safety-capable with documentation available to aid functional safety system design.
