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DRV8432DKDR

Name: DRV8432DKDR
Rating: 4.8 (15 reviews)

+物料清單

IC BRIDGE DRIVER PAR 36HSSOP

製造商德州儀器
製造商部分 #DRV8432DKDR
有存貨3383

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正品保證

規格

屬性	價值
Part Status	Obsolete
Base Product Number	DRV8432
Output Configuration	Half Bridge (4)
Applications	DC Motors, Stepper Motors
Interface	PWM
Load Type	Inductive
Technology	Power MOSFET
Rds On (Typ)	110mOhm LS, 110mOhm HS
Current - Output / Channel	7A
Current - Peak Output	12A
Voltage - Supply	10.8V ~ 13.2V
Voltage - Load	0V ~ 52.5V
Operating Temperature	-40°C ~ 150°C (TJ)
Features	Status Flag
Fault Protection	Current Limiting, Over Temperature, Short Circuit, UVLO
Mounting Type	Surface Mount
Package	36-BSSOP (0.433", 11.00mm Width) Exposed Pad
Supplier Device Package	36-HSSOP
Packaging	Cut Tape (CT), Tape & Reel (TR)

概述

Description

The DRV8432DKDR is a high-performance, integrated motor driver designed by Texas Instruments. It's used primarily for driving brushed DC motors, stepper motors, and actuators in various applications such as robotics, industrial machinery, and consumer electronics. The device operates with a supply voltage range of 0 to 50V and delivers continuous output current up to 7A per channel, with peak currents up to 12A. It features dual full-bridge or single full-bridge operation modes, offering flexibility in motor control configurations.
The DRV8432DKDR integrates advanced features like overcurrent protection, thermal shutdown, and under-voltage lockout, enhancing reliability and safety. It also supports pulse-width modulation (PWM) control, allowing precise motor speed and torque regulation. The device comes in a thermally efficient package, ensuring effective heat dissipation during high-power operation.
Overall, the DRV8432DKDR is favored for its robust design, high current capacity, and versatile control options, making it suitable for demanding motor control applications.

Equivalent

The DRV8432DKDR is a dual H-bridge motor driver by Texas Instruments. Equivalent products may include:
1. STMicroelectronics L6208: A DMOS dual full-bridge driver.
2. Allegro Microsystems A4950: A dual full-bridge DMOS motor driver.
3. Infineon Technologies BTN8982TA: Part of the NovalithIC™ family, combining a driver IC and two MOSFETs.
4. ROHM BD62130AEFJ: A high-output dual DC brushed motor driver.
Each has different specifications and should be matched to your application needs.

Features

The DRV8432DKDR is a high-performance integrated motor driver from Texas Instruments, ideal for driving DC motors, stepper motors, and other inductive loads. Key features include:
1. High Output Power: It offers up to 50V and 7A continuous output current capability per full-bridge, suitable for high-power motor applications.
2. Efficiency: Utilizes an advanced gate driver architecture and low RDS(on) MOSFETs for high efficiency and reduced heat, minimizing the need for external heat sinks.
3. Versatility: Supports multiple control modes, including PWM and PH/EN.
4. Protection: Includes comprehensive protection features such as overcurrent protection, thermal shutdown, and under-voltage lockout for enhanced reliability.
5. Flexibility: Configurable in various bridge configurations such as dual full-bridge, parallel full-bridge, or up to four half-bridges.
6. Integrated Features: On-chip current sensing and regulation options to enhance design simplicity and performance.
7. Package: Available in a PowerPAD™ package that enhances thermal performance.
These features make the DRV8432DKDR suitable for a range of industrial and consumer motor applications requiring high power and reliability.

Pinout

The DRV8432DKDR is a high-performance, dual full-bridge motor driver IC from Texas Instruments, housed in a 44-pin HSSOP (DKD) package. It is designed for driving DC brushed, stepper, and other types of motors. Here's a brief overview of its pin count and primary functions:
- Pin Count: 44 pins in an HSSOP package.
- Key Functions:
- Power Supply Pins: These include the VDD and GVDD pins for logic and gate drive power supplies, and PVDD pins for the power stage.
- Control Interface Pins: Inputs such as PWM inputs (PWM_AH, PWM_AL, PWM_BH, PWM_BL) and mode selection pins for configuring operation.
- Output Pins: Connections to the motor (e.g., OUT_A1, OUT_A2, OUT_B1, OUT_B2).
- Feedback Pins: Such as FAULT and OTW for fault reporting and over-temperature warnings.
- Ground Pins: Multiple ground pins for power and logic ground connections.
This IC provides robust performance with features like over-current protection, thermal shutdown, and under-voltage lockout, making it suitable for a wide range of motor control applications.

Manufacturer

The DRV8432DKDR is manufactured by Texas Instruments Incorporated. Texas Instruments, commonly referred to as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. Headquartered in Dallas, Texas, the company is a major player in the electronics industry and serves various sectors, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. With a strong focus on innovation and engineering, TI is well-known for its high-quality products in analog and embedded processing.

Application

The DRV8432DKDR is a high-performance integrated motor driver designed for a variety of applications. Its primary use is in driving brushed DC motors, stepper motors, and other mechanical actuators. Common application areas include:
1. Industrial Automation: Used in robotic arms, conveyor systems, and CNC machines.
2. Consumer Electronics: Drives motors in devices like 3D printers and home appliances.
3. Automotive Systems: Powers actuators in electric and hybrid vehicles.
4. Renewable Energy Systems: Used in solar trackers and wind turbine control.
5. Medical Equipment: Drives pumps and other motors in medical devices.
Its high current capability, efficiency, and integrated protection features make it suitable for these demanding applications.

Package

The DRV8432DKDR is packaged as an HTSSOP (Heat-Slug Thin Shrink Small Outline Package) with 44 pins. This type of package includes an exposed thermal pad to enhance heat dissipation, making it suitable for high-power applications.

Frequently Asked Questions

Q: What is the maximum load voltage this DRV8432 can handle?
A: The device supports a load voltage range from 0V up to 52.5V, making it suitable for high-voltage motor applications.

Q: Can this IC drive both DC motors and stepper motors?
A: Yes, with four half-bridge outputs, it is ideal for driving bipolar stepper motors or multiple DC motors via PWM control.

Q: What is the continuous current per channel?
A: The continuous output current per channel is rated at 7A, with a peak capability of 12A for transient loads.

Q: What fault protection features are integrated?
A: It includes current limiting, over-temperature, short-circuit, and undervoltage lockout (UVLO) protection for robust operation.

Q: What is the typical on-resistance of the internal MOSFETs?
A: The typical Rds(on) is 110mOhm for both the high-side and low-side MOSFETs, ensuring low power dissipation.

Q: What is the recommended supply voltage range?
A: The logic and gate-drive supply should be between 10.8V and 13.2V for proper operation.

Q: Is this part suitable for surface-mount assembly?
A: Yes, it comes in a 36-pin HSSOP package with an exposed pad for thermal management, supporting surface-mount soldering.