Double BTS7960 43A High-Power H-Bridge Motor Driver Module

Drive heavy-duty DC motors and high-torque actuators effortlessly with the Double BTS7960 43A H-Bridge Motor Driver Module. Utilizing two Infineon BTS7960 half-bridge ICs with ultra-low $16 ext{m}Omega$ $R_{DS(on)}$ , this robust driver supports an operational voltage range of $6 ext{V}$ to $27 ext{V DC}$ and delivers up to $43 ext{A}$ peak current. Built-in 74HC244 logic isolation shields microcontrollers from electrical noise and voltage spikes, while onboard thermal shutdown, over-current, and under-voltage protections ensure safe control of high-power motors using Arduino, ESP32, or Raspberry Pi platforms.

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Tags BTS7960 Motor Driver 43A H-Bridge Driver High Power DC Motor Driver Double BTS7960 Module IBT-2 Motor Driver Board Arduino High Current Driver Heavy Duty Motor Speed Controller

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Product Details :

The Double BTS7960 43A High-Power H-Bridge Motor Driver Module (commonly known as the IBT-2 driver board) is designed to control high-current brushed DC motors, linear actuators, and heavy DIY electric vehicle drives. Built around two Infineon BTS7960 high-current p-channel / n-channel MOSFET half-bridge ICs, this driver forms a complete full H-bridge circuit capable of bidirectional PWM speed control and active electric braking.

To safeguard delicate microcontrollers (such as Arduino, ESP32, or STM32), the module features an integrated 74HC244 high-speed CMOS buffer chip that isolates the $5 ext{V} / 3.3 ext{V}$ logic input side from the high-voltage motor power bus. Combined with a pre-mounted aluminum heat sink, active current-sensing outputs ( $IS$ ), and internal protection diagnostics (over-temperature, under-voltage, over-current, and short-circuit), the BTS7960 module provides maximum power density and industrial-grade reliability for demanding robotics projects.

Key Features and Benefits

Extreme 43A Current Capability: Dual BTS7960 chips provide continuous driving capabilities up to $15 ext{A}-20 ext{A}$ (with adequate cooling) and peak current spikes up to $43 ext{A}$ .
Wide Operating Voltage Range ( $6 ext{V} - 27 ext{V DC}$ ): Directly powers $12 ext{V}$ and $24 ext{V}$ brushed DC motors, power seats, electric winch motors, and heavy gearboxes.
Microcontroller Logic Isolation: Onboard 74HC244 buffer chip isolates logic control signals ( $3.3 ext{V} - 5 ext{V}$ ) from high-power motor voltage spikes.
PWM Speed & Direction Control: Supports PWM frequency inputs up to $25 ext{kHz}$ for smooth, low-noise motor speed modulation and forward/reverse switching.
Integrated Hardware Diagnostics: Features real-time current alarm feedback ( $IS$ pins) and thermal protection to prevent chip burnout.
Pre-Installed Aluminum Heat Sink: Large finned aluminum heatsink dissipates thermal energy during high-load continuous operation.

Technical Specifications

Feature Component	Specification Details
Driver ICs	$2 imes$ Infineon BTS7960 High-Current Half-Bridge Chips
Logic Buffer IC	74HC244 CMOS Octal Buffer / Line Driver
Motor Input Voltage ( $V_{CC}$ )	$6.0 ext{V DC to } 27.0 ext{V DC}$
Logic Input Voltage ( $V_{CC_Logic}$ )	$3.3 ext{V DC to } 5.0 ext{V DC}$
Peak Output Current ( $I_{peak}$ )	$43 ext{A}$ (Short-term surge protection)
Continuous Current ( $I_{cont}$ )	$15 ext{A} - 20 ext{A}$ (Requires additional fan cooling above $15 ext{A}$ )
Internal Resistance ( $R_{DS(on)}$ )	$16 ext{ m}Omega$ (Low conduction losses)
Max PWM Frequency	$25 ext{ kHz}$
Operating Temperature	$-40^circ ext{C to } +150^circ ext{C}$ (Junction temp)

Pinout & Wiring Guide

1. High-Power Screw Terminals (Motor & Battery Connections):

$B+$ : Motor Power Positive ( $+6 ext{V}$ to $+27 ext{V DC}$ )
$B-$ : Motor Power Ground ( $0 ext{V}$ / Battery Negative)
$M+$ ( $OUT1$ ): Motor Terminal A
$M-$ ( $OUT2$ ): Motor Terminal B

2. Control Interface Headers (Logic Inputs):

$VCC$ : Logic Power Supply Input ( $+5 ext{V DC}$ from Microcontroller)
$GND$ : Common Logic Ground ( $0 ext{V}$ )
$R_EN$ : Right Enable Input (High $=$ Enable Right Half-Bridge)
$L_EN$ : Left Enable Input (High $=$ Enable Left Half-Bridge)
$RPWM$ : Forward PWM Speed Control Input
$LPWM$ : Reverse PWM Speed Control Input
$R_IS$ : Right Current Alarm / Diagnostic Output
$L_IS$ : Left Current Alarm / Diagnostic Output

APPLICATION ADVISORY FOR STEPPER MOTORS: While named a "stepper driver" in some catalog listings due to its dual half-bridge architecture, the BTS7960 is primarily a high-power DC motor driver. To drive a single bipolar stepper motor using BTS7960 modules, two separate BTS7960 boards are required (one for Coil A, one for Coil B), along with external microstepping software logic. For standard stepper motor control, dedicated stepper drivers like the TB6600, DM542, or A4988 are strongly recommended.

Applications

Heavy-Duty Mobile Robots: Powering 12V/24V drive motors in combat robots, agricultural rovers, and heavy 4WD chassis.
Electric Mobility & Go-Karts: Speed controller for light EV conversions, power wheelchairs, and ride-on toys.
Linear Actuator Control: Bidirectional position and speed adjustment for industrial linear actuators and solar trackers.
CNC & High-Torque Automation: High-current DC spindle drivers and heavy winch control systems.