BTS7960 43A H-Bridge High-Power Motor Driver

BTS7960 43A H-Bridge High-Power Motor Driver

The BTS7960 43A H-Bridge High Power Motor Driver is the perfect solution for controlling DC motors in high-power applications. With a maximum current rating of 43A, dual-channel support, and robust protection features, this motor driver ensures reliable performance. Ideal for robotics, industrial automation, and DIY projects, it supports PWM control and offers smooth, efficient motor operation.

Specifications

Electrical Specifications

1. Operating Voltage:
   • Input Voltage: 5V logic level for control.
   • Motor Supply Voltage: 6V to 27V DC.
2. Current Capacity:
   • Maximum Continuous Output Current: 43A.
   • Peak Output Current: 80A (short duration).
3. Logic Input Levels:
   • Low-Level Input Voltage: 0V to 1.5V.
   • High-Level Input Voltage: 3V to 5V.
4. PWM Frequency:
   • Maximum Supported Frequency: 25kHz.
5. Power Dissipation:
   • Typical: 6W.
   • With proper heatsink and cooling.
6. Standby Current:
   • Less than 5mA.

Mechanical Specifications

1. PCB Dimensions:
   • Length: Approximately 55mm.
   • Width: Approximately 45mm.
   • Height: Approximately 15mm (excluding heatsinks).
2. Mounting Holes:
   • Typically 4 holes for easy mounting.
   • Diameter: ~3mm.
3. Heatsinks:
   • Integrated aluminum heatsinks for thermal management.

Interface and Connections

1. Input Pins:
   • VCC: 5V logic supply input.
   • GND: Ground connection.
   • RPWM: Right PWM input for motor direction.
   • LPWM: Left PWM input for motor direction.
   • R_EN: Enable pin for right direction.
   • L_EN: Enable pin for left direction.
   • CSA: Current sensing analog output.
2. Output Terminals:
   • M+: Positive motor output.
   • M-: Negative motor output.
   • VCC: Motor power supply.
3. Indicator LEDs:
   • Status LEDs for indicating operation and errors.

Protection Features

1. Overcurrent Protection:
   • Automatically shuts off the output when current exceeds the safe limit.
2. Overtemperature Protection:
   • Protects the IC from overheating by disabling the outputs.
3. Undervoltage Lockout:
   • Disables the driver if the supply voltage drops below the operational threshold.
4. Short-Circuit Protection:
   • Safeguards against motor or circuit shorts.

Key Features

1. High Current Capacity:
   • Ideal for driving high-current motors up to 43A continuously.
2. Dual BTS7960 ICs:
   • Provides robust H-Bridge configuration for bidirectional motor control.
3. PWM Control:
   • Supports variable speed and direction via Pulse Width Modulation.
4. Integrated Heat Management:
   • Aluminum heatsinks and thermal shutdown feature ensure safe operation.
5. Compact and Modular Design:
   • Easy integration with microcontrollers like Arduino, Raspberry Pi, or STM32.
6. Current Sensing:
   • CSA pin allows monitoring of current drawn by the motor.

Applications

• DC motor control in robotics and industrial automation.
• Electric vehicles or large RC models.
• Conveyor belts and high-load actuators.
• DIY projects and hobbyist motor control.

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