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DRV8432DKDR
+BOMIC BRIDGE DRIVER PAR 36HSSOP
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ManufacturerTexas Instruments
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Mfr. Part #DRV8432DKDR
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In Stock3383
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Specifications
| Attribute | Value |
| 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) |
Overview
Description
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
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
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
- 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
Application
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
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.
