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Product Detailed Parameters
- Description：IC MTR DRVR BIPLR 8.2-45V 28SSOP
- 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：Parallel
- Technology：Power MOSFET
- Step Resolution：-
- Applications：General Purpose
- Current - Output：1.6A
- Voltage - Supply：8.2V ~ 45V
- Voltage - Load：8.2V ~ 45V
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：28-PowerTSSOP (0.173", 4.40mm Width)
- Supplier Device Package：28-HTSSOP
- Grade：-
- Qualification：-
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Overview
The DRV8812PWPR is a dual-bridge motor controller IC manufactured by Texas Instruments, designed for driving bipolar stepper motors and brushed DC motors. It integrates control logic and power stages within a single package. The device operates on a supply voltage range of 8.2V to 45V and delivers an output current of 1.6A per bridge. It utilizes a 28-pin HTSSOP (PowerTSSOP) surface-mount package with a width of 4.40mm. The component supports an operating junction temperature range from -40°C to 150°C and features a parallel interface for command input.
Feature Summary
- Integrates fully independent half-bridge drivers with control logic for dual-bridge operation
- Supports multiple microstepping resolutions via digital step inputs
- Includes built-in protection mechanisms against overcurrent, undervoltage lockout, and thermal shutdown
Applications
- Bipolar stepper motor control systems
- Brushed DC motor drives
- General purpose motion control applications
Procurement Notes
Verify the specific suffix 'PWPR' corresponds to the HTSSOP-28 package and tape-and-reel packaging configuration. Confirm that the intended application voltage remains within the 8.2V to 45V operational limits. Ensure thermal management strategies account for the specified junction temperature range during high-load operations.
Selection Notes
Select this component when a dual-bridge solution is required for either bipolar stepper or brushed DC motor applications. The integrated design reduces external component count compared to discrete driver solutions. Consider the 1.6A current capability and 45V maximum voltage rating to ensure compatibility with the target motor specifications.
Part Context
This part belongs to the DRV8812 family of dual-bridge motor controllers from Texas Instruments. It shares functional similarities with other devices in the series but is distinguished by its specific pinout, package type, and electrical ratings. The PWPR suffix indicates the specific physical package and reel packaging format used for surface-mount assembly.
Replacement Considerations
Direct substitutes include other DRV8812 variants such as DRV8812RHDR, which offers the same functionality in a VQFN-28 package. Designers must verify pin-to-pin compatibility and thermal performance differences when substituting packages.
