DRV8432DKDR – Integrated Circuit – Texas Instruments

IC BRIDGE DRIVER PAR 36HSSOP

DRV8432DKDR – 7A H-Bridge Motor Driver IC – Texas Instruments
Optimize your motor control designs with the Texas Instruments DRV8432DKDR, a high-performance, fully integrated H-bridge driver IC. This robust component simplifies driving DC and stepper motors, offering high current capability, comprehensive protection features, and efficient operation from PCX. Ensure reliable motor performance with this advanced solution, backed by PCX’s commitment to fast shipping and expert technical support.

Key Features

High Current Output: Delivers 7A continuous and 12A peak per channel.
Low Rds(On): Typical 110mOhm (both high-side and low-side MOSFETs).
Wide Voltage Range: Supports motor loads from 0V to 52.5V with a logic supply of 10.8V to 13.2V.
Robust Protection: Integrated current limiting, over-temperature, short-circuit, and UVLO fault protection.
Status Monitoring: Features a Status Flag output for system diagnostics.
Efficient Control: Utilizes PWM interface for precise motor speed and direction control.
Extended Temperature Range: Operates reliably from -40°C to +150°C junction temperature.

Technical Details
The DRV8432DKDR is a monolithic integrated circuit categorized as a Power Management IC (PMIC), specifically a Full Half-Bridge (H-Bridge) Driver. It integrates four half-bridge outputs, enabling the control of bidirectional brushed DC motors or multiple phases of stepper motors. Designed using advanced Power MOSFET technology, it efficiently drives inductive loads. The device features a surface-mountable 36-pin HSSOP package (11.00mm Width) with an exposed pad for enhanced thermal dissipation.

Typical Applications

Industrial Automation and Robotics
Precision Brushed DC Motor Control Systems
Bipolar Stepper Motor Drivers
Point-of-Sale (POS) Printers and Scanners
Office Automation Equipment (Copiers, Printers)

About Texas Instruments
Texas Instruments (TI) is a globally recognized leader in semiconductor design and manufacturing, renowned for its innovation and commitment to quality. With decades of experience, TI has established itself as a trusted provider of analog and embedded processing solutions across countless industries.
TI’s motor driver portfolio, including the DRV series, is highly regarded for its performance, integration, and reliability. Engineers worldwide rely on TI components for demanding applications, knowing they meet stringent quality and performance standards. Choosing a TI motor driver IC ensures a robust foundation for your motor control system.

About H-Bridge Motor Driver ICs
H-Bridge motor driver ICs are essential components in modern electronics for controlling the direction and speed of DC motors or driving stepper motors. An H-Bridge circuit configuration allows current to flow through a motor coil in either direction, enabling forward, reverse, braking, and coasting functions. This bidirectional control is fundamental for countless motion control applications.
Integrated H-Bridge drivers, like the DRV8432DKDR, simplify design by combining the power MOSFETs, gate drivers, protection circuitry, and control logic into a single package. This integration significantly reduces board space, design complexity, and component count compared to discrete solutions, while also enhancing overall system reliability and performance. They are indispensable in applications requiring precise and efficient motor management.

Packaging Options
This DRV8432DKDR H-bridge driver is available for immediate shipment from PCX in the following convenient packaging formats to suit your production needs:

Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®

Note: Product image is representational. Please refer to the datasheet for exact dimensions and specifications.
Access the Datasheet: Download DRV8432DKDR Datasheet (Hosted on PCXCo.com)

Frequently Asked Questions (FAQs)
Q: Is the DRV8432DKDR still available for purchase despite being marked obsolete?
A: Yes, PCX maintains stock of this specific H-bridge driver. We specialize in sourcing components throughout their lifecycle, including obsolete parts. Availability is subject to current stock levels.

Q: What does “H-Bridge (4)” under Output Configuration mean?
A: This indicates the IC contains four independent half-bridge outputs. This allows it to drive a single DC motor bidirectionally with braking control, or a bipolar stepper motor (typically requiring two full H-bridges, i.e., four half-bridges).

Q: Can this driver IC operate at the full 7A continuous current without a heatsink?
A: Operation at the full continuous current rating depends heavily on the PCB design (copper area for heatsinking), ambient temperature, and duty cycle. The exposed thermal pad must be properly soldered to a sufficient copper plane on the PCB. Consult the datasheet’s thermal performance section and derating curves for specific application guidance.

Q: What is the purpose of the “Status Flag” feature?
A: The Status Flag is an output pin that signals the occurrence of a fault condition detected by the IC, such as over-current, over-temperature, or undervoltage lockout (UVLO). This allows the microcontroller to take appropriate action (e.g., shut down PWM signals) upon detecting a fault.

Q: Does this motor driver IC require external flyback diodes?
A: No. The DRV8432DKDR integrates internal body diodes within its power MOSFETs that act as the necessary flyback diodes for inductive load switching, simplifying the external circuitry.

Q: Why choose an integrated motor driver IC like the DRV8432 over discrete MOSFETs?
A: Integrated H-bridge drivers offer significant advantages: reduced design complexity and board space, optimized gate driving for faster switching and lower losses, matched MOSFET characteristics, integrated protection features (like those in the DRV8432), and simplified control logic. This results in faster time-to-market and often a more reliable and efficient solution.

Order Your DRV8432DKDR H-Bridge Driver Today!
Don’t let component obsolescence delay your project. Secure the reliable Texas Instruments DRV8432DKDR motor driver IC for your DC or stepper motor control application right now from PCX. Experience our renowned fast shipping and dedicated customer support. Order today to guarantee availability and ensure your project stays on