TA6586 Bi-Directional Dc Motor Driver IC DIP-8

TA6586 Bi-Directional DC Motor Driver IC DIP-8 is a monolithic H-bridge motor driver integrated circuit specifically engineered for driving low-voltage DC motors and solenoids in battery-powered applications. This efficient driver utilizes a high-output current capability and low standby current consumption to maximize battery life in portable electronics. Consequently, it provides a reliable solution for bidirectional motor control without the need for complex external circuitry. The internal logic circuit effectively prevents the “shoot-through” condition where both upper and lower transistors turn on simultaneously. Furthermore, the IC incorporates built-in thermal shutdown and over-current protection to ensure system longevity. Therefore, you can easily implement this driver into toy cars, smart locks, and robotic projects that require precise forward and reverse motion control.

Key Features:

• Low Standby Current: The device consumes minimal power when in standby mode, which significantly extends the operational life of battery-operated devices.
• High Current Output: It provides a continuous output current of up to 5.0A and peak currents up to 7.0A for driving demanding DC motor loads.
• H-Bridge Configuration: The internal H-bridge architecture enables seamless bidirectional control, allowing the motor to rotate forward, reverse, or brake instantly.
• Built-in Protection: Integrated thermal protection and short-circuit protection circuits safeguard the IC from damage during stall conditions or electrical faults.
• Wide Voltage Range: The chip operates across a broad supply voltage spectrum, making it compatible with various battery chemistry configurations.

Technical Specifications:

• Supply Voltage (V_CC): 3.0 V to 14 V
• Logic Input Voltage (V_IN): 2.0 V to 5.0 V (Compatible with TTL/CMOS)
• Continuous Output Current (I_OUT): 5.0 A
• Peak Output Current (I_PEAK): 7.0 A
• Standby Current (I_STB): ≤ 10 μA
• Saturation Voltage (V_CE(sat)): ≈ 0.5 V at 2A load
• Operating Temperature: −20°C to +85°C

Mechanical Specifications:

• Package Type: DIP-8 (Dual In-line Package)
• Mounting Type: Through-hole (THT)
• Case Material: Molded Plastic (UL 94V-0 Rated)
• Lead Material: Tinned Copper Alloy

Dimensions:

• Body Length: ≈ 9.27 mm
• Body Width: ≈ 6.35 mm
• Pin Pitch: 2.54 mm (Standard 0.1 inch)
• Row Spacing: 7.62 mm (Standard 0.3 inch)
• Total Height: ≈ 3.30 mm

Pinout and Wiring:

• Pin 1 (BI): Backward Input signal from the microcontroller.
• Pin 2 (FI): Forward Input signal from the microcontroller.
• Pin 3 (GND): Common ground connection for the logic and power circuit.
• Pin 4 (VCC): Power supply for the motor and internal logic (3V – 14V).
• Pin 5 & 6 (OUTA): Connect to one terminal of the DC motor.
• Pin 7 & 8 (OUTB): Connect to the other terminal of the DC motor.
• Wiring Note: However, ensure you place a decoupling capacitor close to the VCC and GND pins to filter out electrical noise generated by the motor.

Datasheet Reference:

• Download TA6586 Motor Driver IC Datasheet

Commonly Used in:

• Arduino Robotics: Engineers frequently use the TA6586 for controlling 2WD or 4WD robotic chassis where space is limited.
• RC Vehicles: Providing drive and steering control for small remote-controlled cars and boats.
• Smart Home Devices: Powering the mechanical components of motorized curtains and automatic door locks.

Applications:

• Bidirectional DC Motor Control: Managing the forward, reverse, and braking functions of brushed motors.
• Solenoid Drivers: Actuating magnetic solenoids in industrial automation or electronic locking mechanisms.
• Electric Valve Control: Controlling the opening and closing cycles of fluid valves in smart irrigation systems.

Equivalent Models:

• L9110S: A lower current but highly popular alternative for small hobbyist motors.
• CP2129AB: DC Motor Driver: Efficiently drives DC motors with low power loss.
• DRV8871: A modern, high-current equivalent featuring PWM control and integrated current sensing.
• HG7881 (L9110): A similar 2-channel driver however, the TA6586 offers superior current handling for larger motor loads.

Package Includes:

• 1 x TA6586 Bi-Directional DC Motor Driver IC DIP-8