on December 20th 5,772

BTS7960B Motor Driver IC: Applications, Pinout, and Datasheet

This guide explores the BTS7960B High Current Motor Driver IC, a key part of the NovalithIC series built for powerful and efficient motor control. It covers the IC’s design, practical uses, and advanced features, showing how it excels in industries that need reliable and precise motor management. From basic functions to technical specs and applications, this guide highlights how the BTS7960B drives innovation in motor control technology.

Catalog

What is the BTS7960B Motor Driver IC?

The BTS7960B is an advanced integrated circuit designed for high current motor control, part of the NovalithIC series. It includes a p-channel high-side MOSFET and an n-channel low-side MOSFET, combined with an embedded driver IC. This configuration is tailored for motor control, adept at handling motors that demand substantial electrical currents with finesse. The BTS7960B’s architecture excels in managing high-powered motors, finding a sweet spot between power efficiency and dependability. The half-bridge MOSFET integration is suited for dynamic scenarios involving precise modulation of motor speed and torque. The BTS7960B stands out as a trustworthy solution, addressing these rigorous demands.

Pin Configuration of BTS7960B

Pin No.	Pin Name	Description
1	GND	Ground
2	IN	Input defines whether high- or low side switch is activated
3	INH	Inhibit (when set to low, the device goes into sleep mode)
4	OUT	The power output of the bridge
5	SR	Slew Rate (the slew rate of the power switches can be adjusted by connecting a resistor between SR and GND)
6	IS	Current Sense and Diagnosis
7	VS	Power Supply
8	OUT	The power output of the bridge

BTS7960B Features and Specifications

Features and Specifications	Description
Path resistance	Typical 16 mΩ @ 25 °C
Low quiescent current	Typical 7 µA @ 25 °C
PWM capability	Up to 25 kHz combined with active freewheeling
Switched-mode current limitation	Reduces power dissipation in overcurrent conditions
Current limitation level	Typical 43A
Status flag diagnosis	Includes current sense capability
Overtemperature shutdown	Features latch behavior
Overvoltage lockout	Protects against excessive voltage
Undervoltage shutdown	Prevents operation under insufficient voltage
Driver circuit	Equipped with logic level inputs
Adjustable slew rates	Enables optimized EMI performance

BTS7960B Alternative Motor Driver ICs

• L293D

• DRV8833

• MX1508

• TB6612FNG

• L298

Using the BTS7960B Motor Driver IC

The BTS7960B motor driver IC is a key component in managing high-power motors those operating at voltages exceeding 40 volts. This IC is used for applications that demand both high energy and precise control. For motors requiring bidirectional rotation, two BTS7960B ICs are used in a half-bridge configuration. This setup enables smooth direction changes and efficient motor control. The figure below shows the BTS7960B motor driver module, featuring a dual-chip setup with a heatsink for efficient heat dissipation. This module is designed for high-power motor control, supporting applications that require robust and reliable performance.

BTS7960B Module

To regulate motor speed, the BTS7960B relies on pulse-width modulation (PWM) signals, which control the motor's current duration and intensity. These PWM signals can be generated using a microcontroller or a 555 timer IC. For beginners, the 555 timer offers a simple way to learn the basics of motor control. Additionally, using a ULN2003 IC helps protect sensitive components from potential over-currents. Proper integration of these components ensures stable and reliable motor operation, enhancing the overall efficiency of the system.

An H-bridge configuration is important for controlling motor direction, enabling both forward and reverse movement by switching the voltage polarity at the motor's terminals. Connecting two BTS7960B ICs in an H-bridge setup provides precise control over motor rotation when paired with modulated PWM signals. Careful wiring and design are needed to avoid issues like accidental short circuits. Mastery of this setup allows for the development of flexible, responsive motor control systems that demonstrate both technical skill and problem-solving creativity. The circuit diagram below showcases the wiring setup for a high-current H-bridge motor control system using two BTS7960B motor driver ICs. The configuration includes a microcontroller for PWM signal generation, a voltage regulator (TLE4278G), and reverse polarity protection. This arrangement allows precise bidirectional motor control while protecting components from potential electrical issues.

BTS7960B Circuit Diagram

BTS7960B Packaging Options

TO-263-7 Package

Known as D2PAK, this package features a low-profile design that aligns seamlessly with surface-mount technology (SMT). Its compact design optimizes board space for intricate circuit configurations even in constrained environments. The flat profile, paired with its excellent heat dissipation capability, makes it highly desirable in environments that value minimal physical space yet require effective thermal management. Sectors such as electronics and automotive electronics often embrace this package due to space constraints. The package's compatibility with automated SMT processes can lead to financial advantages in mass productions.

TO-220-7 Package

The TO-220-7 package excels with its through-hole mounting method, making it favorable for applications needing heat management. Its strong leads ensure a reliable connection to the PCB, maintaining structural integrity in settings exposed to physical stress or vibration. Equipped with features for attaching heat sinks, the TO-220-7 enhances thermal efficiency, fitting perfectly for power electronics where effective heat management enhances device durability. This package has demonstrated that its thermal design supports extended functioning in high-power environments, showcasing its capability in ensuring durability and reliability in power-intensive contexts.

Applications of BTS7960B

High-Current Motor Driving

Designed for high-current motor applications, the BTS7960B seamlessly interacts with digital circuits. In the robotics and electric vehicles, its strength lies in offering refined speed and torque management, thereby elevating performance levels. By incorporating sensors, it enables closed-loop feedback, balancing energy use and extending motor life.

Stepper Motor Operation

Known for its efficiency in maneuvering stepper motors, this unit plays a role in precision-driven tasks like 3D printing and CNC machining. Enhancing the accuracy and repeatability of these operations, its prowess can be further amplified by integrating expert-level microcontroller programming, ensuring an even more fluid operation.

High-Current LED Powering

The BTS7960B excels in fueling high-current LEDs for industrial and automotive illumination, prioritizing high brightness and constant reliability. It adeptly handles power to lessen thermal emissions, which contributes to prolonging LED longevity and cutting down on maintenance expenses.

Relay Driver Functionality

Serving as a relay driver, it accommodates both standard and latching relays and finds its niche in automation systems. Its capability becomes evident in systems designed for lasting states without nonstop power. Using energy recovery techniques can augment the effectiveness of these applications.

High Power DC and Servo Motor Control

When it comes to high-power DC and servo motor management, it excels in facilitating top-tier performance in industrial automation and robotics. Its adept control over speed and direction is further refined by adaptive control algorithms that respond dynamically to varying loads, optimizing efficiency.

BTS7960B 2D Models and Dimensions

Datasheet PDF

BTS7960B Datasheets:

Cylindrical Battery Holders.pdf

Part Number Guide.pdf