DRV8841
- Dual H-Bridge DC Motor Driver
- Single and Dual Brushed DC
- Stepper
- PWM Control Interface
- Optional Fixed Frequency Current Regulation
- Two Bit Current Control Allows Up to Four
Current Levels
- Two Bit Current Control Allows Up to Four
- Low MOSFET On-Resistance
- 2.5-A Maximum Drive Current at 24 V and
TA = 25°C - Combined 400 mΩ RDS(ON) of High-Side
and Low-Side at 24 V and TA = 25°C
- 2.5-A Maximum Drive Current at 24 V and
- 8.2-V to 45-V Operating Supply Voltage Range
- Low Current Sleep Mode
- Built-In 3.3-V Reference Output
- Thermally Enhanced Surface Mount Package
- Protection Features
- Overcurrent Protection (OCP)
- Thermal Shutdown (TSD)
- Undervoltage Lockout (UVLO)
- Fault Condition Indication Pin (nFAULT)
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.
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DRV8841EVM — Evaluation Module for DRV8841
The DRV8841 evaluation module consists of a 2.5A, dual-H-bridge motor driver with a PWM control interface and a small number external components that can be used to drive either two brushed DC motors, a single bipolar stepper motor, or four solenoids. The on-board MSP430 MCU + software/GUI supports (...)
Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
HTSSOP (PWP) | 28 | Ultra Librarian |
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