The DRV8841 provides an integrated dual H-bridge motor driver solution for printers, scanners, and other automated equipment applications. The device can be used to drive one or two brushed DC motors, a bipolar stepper motor, or other loads. A simple PWM interface allows easy interfacing to controller circuits.
The output driver block consists of N-channel power MOSFETs configured as H-bridges. The DRV8841 an supply up to 2.5-A peak or 1.75-A RMS output current (with proper heat sinking at 24 V and TA = 25°C) per H-bridge.
A low-power sleep mode is provided which shuts down internal circuitry to achieve very low quiescent current draw. This sleep mode can be set using a dedicated nSLEEP pin. Internal protection features are provided for overtemperature, overcurrent, and undervoltage. Fault conditions are indicated by a nFAULT pin.
| Number of full bridges | 2 |
| Vs (min) (V) | 8.2 |
| Vs ABS (max) (V) | 47 |
| Full-scale current (A) | 2.5 |
| Peak output current (A) | 3 |
| RDS(ON) (HS + LS) (mΩ) | 400 |
| Sleep current (µA) | 10 |
| Control mode | PWM |
| Control interface | Hardware (GPIO) |
| Microstepping levels | 4 |
| Features | Current Regulation |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| HTSSOP (PWP) | 28 | 62.08 mm² 9.7 x 6.4 |
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