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What is DRV8837? DC Motor Driver IC Complete Guide

FREE-SKY (HK) ELECTRONICS CO.,LIMITED / 05-09 21:43

To control small motors properly, a circuit needs more than just power. It needs a motor driver that can manage direction, speed, braking, current flow, and protection. The DRV8837 is designed for this purpose. It is a low-voltage H-bridge motor driver from Texas Instruments that can control one brushed DC motor in a small and efficient circuit. This article will discuss the DRV8837 pinout, working principle, truth table, PWM control, specifications, features, applications, and comparisons with other motor driver ICs.


Catalog

1. DRV8837 Low-Voltage DC Motor Driver IC
2. DRV8837 Pinout and Pin Functions
3. Alternatives & Equivalent Model
4. How the DRV8837 Works in a Motor Control Circuit
5. DRV8837 Truth Table and Motor Control Logic
6. DRV8837 Functional Block Diagram
7. PWM Speed Control Using DRV8837
8. Technical Specifications of DRV8837
9. Characteristics and Features of DRV8837
10. Actual Applications of DRV8837
11. DRV8837 vs DRV8838: What’s the Difference
12. DRV8837 vs DRV8833: Which Motor Driver Is Better
13. Actual Applications of DRV8837
14. Mechanical Dimensions
15. Conclusion
DRV8837 Low-Voltage DC Motor Driver IC

DRV8837 Low-Voltage DC Motor Driver IC

The DRV8833

Device Type
Single H-Bridge Motor Driver
Dual H-Bridge Motor Driver
Motor Channels
1 DC Motor
2 DC Motors or 1 Stepper Motor
Motor Supply Voltage
0 V to 11 V
2.7 V to 10.8 V
Logic Supply Voltage
1.8 V to 7 V
2.7 V to 10.8 V
Maximum Output Current
1.8 A peak
1.5 A per channel
Control Interface
IN1 / IN2
IN1 / IN2
PWM Speed Control
Supported
Supported
Package Size
Very compact 2 mm × 2 mm WSON
Larger HTSSOP/WQFN packages
Sleep Current
Very low
Low
PCB Space Requirement
Smaller
Larger
Thermal Capability
Suitable for compact low-power systems
Better for dual-motor operation
Best For
Single compact motor systems
Robotics and multi-motor projects
Typical Applications
Cameras, smart locks, portable devices
Robots, automation systems, Arduino projects
Stepper Motor Support
No
Yes
Design Complexity
Simpler single-motor design
More flexible multi-motor design

Actual Applications of DRV8837

• Small Robotics Systems - Controls miniature DC motors for robot wheels, movement, and actuator mechanisms.

• Portable Battery-Powered Devices - Used in compact electronic products that require low-power motor control.

• Smart Locks - Drives small motors for electronic locking and unlocking mechanisms.

• Camera and Lens Systems - Controls miniature motors used in autofocus and lens positioning systems.

• Embedded Motor Control Boards - Works with microcontrollers in compact automation and control systems.

• IoT and Smart Devices - Supports low-voltage motor control in smart home and connected devices.

• Miniature Actuators - Drives small linear actuators and mechanical movement systems.

• Consumer Electronics - Used in toys, portable gadgets, and small automated electronic products.

• Medical Portable Devices - Controls compact motors and pumps in lightweight medical equipment.

• Educational Electronics Projects - Commonly used in Arduino, STEM, and motor control learning projects.

Mechanical Dimensions

Mechanical Dimensions

Conclusion

The DRV8837 H-bridge design allows the motor to move forward, reverse, brake, or coast, while PWM control makes speed adjustment easier. The separate logic and motor power supplies also help it work with low-voltage controllers and small battery-powered designs. For single-motor applications where small size, low power use, and integrated protection are important, the DRV8837 is the reliable solution.


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