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Product Detailed Parameters
- Description：IC MTR DRV BIPLR 2.5-10.8V 24QFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：Brushed DC
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (4)
- Interface：Logic
- Technology：Power MOSFET
- Step Resolution：1 ~ 1/32
- Applications：General Purpose
- Current - Output：1.5A
- Voltage - Supply：2.5V ~ 10.8V
- Voltage - Load：2.5V ~ 10.8V
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：24-VFQFN Exposed Pad
- Supplier Device Package：24-VQFN (4x4)
- Grade：-
- Qualification：-
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Overview
The DRV8834RGER is a dual low-voltage H-bridge integrated circuit manufactured by Texas Instruments, designed for driving stepper motors, two DC brushed motors, or solenoids. It features a VQFN-24 package and supports a supply voltage range of 2.5V to 10.8V with a continuous output current of 1.5A per bridge. The device operates within a junction temperature range of -40°C to +150°C and includes built-in current regulation and thermal shutdown protection.
Feature Summary
- Integrates two H-bridge drivers with N-channel power MOSFETs for bidirectional motor control
- Supports microstepping resolution from full step to 1/32 step for precise positioning
- Includes internal circuitry for winding current regulation and limit control
- Provides comprehensive protection against over-current conditions and excessive heat
Applications
- Battery-powered motion control systems
- Toys and consumer electronics requiring low-voltage actuation
- Printers and cameras needing precise stepper motor positioning
- Solenoid drive applications in automated devices
Procurement Notes
Verify the specific suffix RGER corresponds to the VQFN-24 package variant when sourcing. Confirm that the required operating voltage and current specifications align with the 2.5V to 10.8V input range and 1.5A continuous output capability. Ensure compatibility with the intended logic interface levels before finalizing procurement decisions.
Selection Notes
Select this component for designs requiring compact dual-motor control in low-voltage environments. The VQFN-24 package offers space efficiency for dense PCB layouts. Consider the thermal performance characteristics given the high junction temperature rating. Evaluate the need for microstepping capabilities if smooth motion profiles are critical for the target application.
Part Context
This part belongs to the DRV8834/35/36 family of dual low-voltage H-bridge ICs. While sharing similar functional architectures, variations exist in package types such as HTSSOP-24 or WSON-12 across the series. The DRV8834 specifically targets applications requiring robust current regulation within a low-voltage operational envelope.
Replacement Considerations
Direct substitutes within the same family include DRV8834PWPR (HTSSOP-24) and DRV8834RGET (VQFN-24). Verify pinout compatibility and package dimensions when considering alternative suffixes or related models like the DRV8835.
