Texas Instruments DRV8830DRCT

Overview

DRV8830DRCT from Texas Instruments is a low-voltage, I²C-controlled brushed DC motor driver IC with integrated H-bridge, PWM voltage regulation, and current limiting. It delivers up to 1.3-A peak output, operates from 2.75 V to 6.8 V, and features 450 mΩ total R_DS(on) (HS + LS) for efficient battery-powered motion control in compact devices like portable printers and robotic toys.

For engineers reviewing the DRV8830DRCT datasheet, DRV8830DRCT pinout, DRV8830DRCT application, or DRV8830DRCT equivalent, this page provides verified technical context, validated pin functions, confirmed I²C register behavior, thermal performance data, and real-world motor control use cases - all specific to the DRC (VSON-10) package variant.

Technical Context

The DRV8830DRCT implements a closed-loop PWM voltage regulation architecture using an internal 1.285-V reference and 6-bit DAC to maintain constant motor speed across varying supply voltages. Its H-bridge uses complementary N-channel and P-channel MOSFETs with independent overcurrent protection on both high-side and low-side paths.

Control is exclusively via I²C interface (SCL/SDA), supporting up to 9 devices on one bus through A0/A1 address pins. Fault reporting includes open-drain FAULTn output and serial-accessible FAULT register with individual OCP, UVLO, OTS, and ILIMIT flags - enabling precise system-level diagnostics without additional GPIO.

Key Specifications

Pinout & Package

DRV8830DRCT is housed in a thermally enhanced 3.00 mm × 3.00 mm, 10-pin VSON package with exposed thermal pad (PowerPAD™). The package supports high-power density designs requiring minimal PCB area and efficient heat dissipation into the board.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar brushed DC motor driver applications.

Compared with TB6612FNG and MP6550GQZ, the DRV8830DRCT uniquely balances ultra-compact 3×3 mm packaging, integrated voltage regulation for battery longevity, and I²C simplicity - making it the most suitable choice for cost-sensitive, size-limited portable motion systems requiring predictable speed and robust fault handling.

Availability

DRV8830DRCT is available at Aetrix Electronics and suitable for battery-powered printers, robotic toys, smart camera actuators, and portable medical pumps requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for DRV8830DRCT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and power management technologies, with decades of expertise in motor control ICs and battery-efficient system solutions.

The DRV8830 product line targets ultra-low-voltage, serially controlled motion applications - designed specifically for space-constrained, battery-operated consumer and medical devices where precision speed regulation and fault resilience are critical.

FAQ

What is the maximum continuous output current supported by the DRV8830DRCT?

The DRV8830DRCT supports 1-A maximum DC/RMS output current when sufficient PCB heatsinking is provided, as specified in the Recommended Operating Conditions table. This rating assumes proper thermal design using the exposed PowerPAD™ and adheres to the 50.2°C/W junction-to-ambient thermal resistance of the VSON-10 package. Peak current capability is 1.3 A, limited by internal overcurrent protection.

How does the DRV8830DRCT achieve constant motor speed across varying battery voltage?

The DRV8830DRCT achieves constant motor speed using an internal PWM voltage regulation loop. It compares a divided-down version of the motor output voltage to a DAC-set reference (VSET), then adjusts PWM duty cycle to maintain the programmed voltage - e.g., holding 3.0 V across the motor even as VCC drops from 5.5 V to 3.8 V during battery discharge. This method avoids linear regulation losses and extends runtime.

Can the DRV8830DRCT drive a stepper motor?

Yes, the DRV8830DRCT can drive one winding of a bipolar stepper motor, as explicitly stated in the device description and Features section. It provides full H-bridge control (forward, reverse, brake, coast) and current regulation suitable for unipolar or single-winding bipolar configurations. However, it cannot drive both windings simultaneously - a second DRV8830DRCT or dedicated stepper driver is required for full 2-phase operation.

What fault conditions does the DRV8830DRCT report, and how are they signaled?

The DRV8830DRCT reports four fault conditions: overcurrent (OCP), undervoltage lockout (UVLO), overtemperature (OTS), and extended current limit (ILIMIT). All faults assert the open-drain FAULTn pin low and set corresponding bits in the serial-accessible FAULT register (address 0x01). The FAULT register also includes a CLEAR bit to reset fault status without power cycling.

Is the DRV8830DRCT pin-compatible with other packages of the same part number?

No - the DRV8830DRCT designation specifically refers to the VSON-10 (DRC) package. While the DRV8830 family includes an HVSSOP-10 (DGQ) variant, the DRCT suffix denotes the VSON variant only. Pinout is identical between DRC and DGQ packages, but thermal performance differs (RθJA = 50.2°C/W for DRC vs. 69.3°C/W for DGQ), and the PowerPAD™ layout requirements are package-specific.