Overview
The DRV8834RGER, produced by Texas Instruments, is a versatile motor driver designed to drive bipolar stepper motors or two DC motors. This device features a dual H-bridge configuration, enabling it to handle a variety of mechatronic applications such as toys, printers, cameras, and more. The DRV8834RGER is known for its flexibility and robust performance, making it a reliable choice for motor control in various industries.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Output Current | 1.5 A Continuous, 2.2 A Peak per H-Bridge | At VM = 5 V, 25°C |
| Power Supply Voltage Range | 2.5 V to 10.8 V | |
| RDS(ON) | 305 mΩ HS + LS | At VM = 5 V, 25°C |
| Microstepping Capability | Up to 1/32-Step Microstepping | |
| Control Modes | Built-In Indexer Logic with STEP/DIRECTION Control and PHASE/ENABLE Control | |
| Package | 24-pin HTSSOP or VQFN with PowerPAD™ | |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Dual H-bridge configuration for driving two DC motors or one bipolar stepper motor.
- Two control modes: Built-In Indexer Logic with STEP/DIRECTION Control and PHASE/ENABLE Control for > 1/32-Step Microstepping.
- Output current of 1.5 A continuous and 2.2 A peak per H-Bridge at VM = 5 V, 25°C.
- Low RDS(ON) of 305 mΩ HS + LS at VM = 5 V, 25°C.
- Wide power supply voltage range from 2.5 V to 10.8 V.
- Dynamic tBLANK and Mixed Decay Modes for smooth microstepping.
- PWM winding current regulation and limiting.
- Internal shutdown functions for overcurrent protection, short-circuit protection, undervoltage lockout, and overtemperature protection.
- Low-power sleep mode.
- Thermally enhanced surface-mount package with PowerPAD™.
Applications
- Toys and robotic systems.
- Printers and other office equipment.
- Cameras and imaging devices.
- Other mechatronic applications requiring precise motor control.
Q & A
- What is the maximum output current of the DRV8834RGER?
The DRV8834RGER can deliver up to 1.5 A continuous and 2.2 A peak current per H-Bridge at VM = 5 V, 25°C.
- What are the control modes available for the DRV8834RGER?
The device supports two control modes: Built-In Indexer Logic with STEP/DIRECTION Control and PHASE/ENABLE Control for > 1/32-Step Microstepping.
- What is the power supply voltage range for the DRV8834RGER?
The power supply voltage range is from 2.5 V to 10.8 V.
- What type of protection features does the DRV8834RGER have?
The device includes internal shutdown functions for overcurrent protection, short-circuit protection, undervoltage lockout, and overtemperature protection.
- Does the DRV8834RGER support microstepping?
- What is the package type of the DRV8834RGER?
The device is available in 24-pin HTSSOP or VQFN packages with PowerPAD™.
- What are the typical applications of the DRV8834RGER?
It is commonly used in toys, printers, cameras, and other mechatronic applications.
- Does the DRV8834RGER have a low-power mode?
- How does the DRV8834RGER regulate winding current?
The device uses PWM winding current regulation and limiting.
- What is the operating temperature range of the DRV8834RGER?
The operating temperature range is from -40°C to 85°C.
