The part number TB67S109AFTG refers to a high- Power motor driver IC designed and manufactured by Toshiba. This IC is primarily used for controlling the motor in various applications, such as stepper motors or other types of DC motors. It features advanced capabilities such as high-speed operation, efficiency, and precision control. Below is a detailed explanation of the pin functions, packaging details, and circuit principles for this part.
Packaging and Pin Function Specifications:
Part Number: TB67S109AFTG Manufacturer: Toshiba Package Type: QFN (Quad Flat No-lead) package Pin Count: 48 PinsPin Function Table (48 Pins)
Pin Number Pin Name Pin Function Description 1 VCC Power supply input for internal logic circuitry. 2 GND Ground reference for the circuit. 3 VBB Motor supply voltage input. 4 OUT1 Motor output terminal 1 (A-phase or U-phase). 5 OUT2 Motor output terminal 2 (B-phase or V-phase). 6 OUT3 Motor output terminal 3 (C-phase or W-phase). 7 VREF Reference voltage input for controlling motor speed and torque. 8 VREG Voltage regulation input for motor control. 9 DIAG Diagnostic output for motor protection status. 10 STBY Standby control input, used to enable or disable the IC. 11 RESET Reset input, used to initialize the IC to its default state. 12 BRAKE Motor braking control input, enables braking function when activated. 13 DIR Direction control input for the motor. 14 CLK Clock input for synchronous operation. 15 CP Charge pump pin, used for generating the necessary voltage to drive the motor. 16 SENSEA A-phase motor current sense input. 17 SENSEB B-phase motor current sense input. 18 SENSEC C-phase motor current sense input. 19 ADJ Adjustment pin for fine-tuning motor performance. 20 MODE Mode control input, selects operational mode (e.g., full-step, half-step, etc.). 21 PWM Pulse width modulation input for controlling the motor speed. 22 UVLO Under-voltage lockout input, used for detecting low voltage conditions. 23 OUT4 Additional motor output terminal (optional in some configurations). 24 OUT5 Additional motor output terminal (optional in some configurations). 25 OUT6 Additional motor output terminal (optional in some configurations). 26 EN Enable input for the motor driver. 27 VBS High-side drive voltage input for motor control. 28 COM Common voltage for high-side and low-side drivers. 29 LSF Low-side driver feedback pin. 30 HSFB High-side driver feedback pin. 31 FDBK Feedback input for motor current. 32 VDS Drain-source voltage input for protection and feedback. 33 ISENSE Input for motor current feedback, connected to the current sensing resistor. 34 THERM Over-temperature protection pin. 35 NC No connection, usually for mechanical reasons or internal functions. 36 NC No connection, usually for mechanical reasons or internal functions. 37 NC No connection, usually for mechanical reasons or internal functions. 38 NC No connection, usually for mechanical reasons or internal functions. 39 NC No connection, usually for mechanical reasons or internal functions. 40 NC No connection, usually for mechanical reasons or internal functions. 41 NC No connection, usually for mechanical reasons or internal functions. 42 NC No connection, usually for mechanical reasons or internal functions. 43 NC No connection, usually for mechanical reasons or internal functions. 44 NC No connection, usually for mechanical reasons or internal functions. 45 NC No connection, usually for mechanical reasons or internal functions. 46 NC No connection, usually for mechanical reasons or internal functions. 47 NC No connection, usually for mechanical reasons or internal functions. 48 NC No connection, usually for mechanical reasons or internal functions.Pin Function FAQ (Frequently Asked Questions)
Q: What is the function of the VCC pin on the TB67S109AFTG? A: The VCC pin is the power supply input for the internal logic circuitry of the TB67S109AFTG.
Q: How does the OUT1 pin work in the TB67S109AFTG? A: The OUT1 pin is one of the motor output terminals and is responsible for driving the A-phase or U-phase of the motor.
Q: What is the purpose of the BRAKE pin on the TB67S109AFTG? A: The BRAKE pin is used to apply braking to the motor when activated.
Q: What should be connected to the SENSEA, SENSEB, and SENSEC pins? A: These pins are for motor current sensing, connected to the current sense resistors for each respective motor phase.
Q: Can the TB67S109AFTG be used for controlling stepper motors? A: Yes, the TB67S109AFTG is designed to control stepper motors, as well as other types of motors.
Q: What does the RESET pin do on the TB67S109AFTG? A: The RESET pin initializes the IC to its default state when activated.
Q: Is there any protection against overheating in the TB67S109AFTG? A: Yes, the TB67S109AFTG has an over-temperature protection feature that is connected to the THERM pin.
Q: How does the VREG pin contribute to the motor control? A: The VREG pin regulates the voltage necessary for motor control operations.
Q: What is the role of the DIAG pin on the TB67S109AFTG? A: The DIAG pin provides diagnostic feedback, indicating the status of the motor protection system.
Q: Can the TB67S109AFTG be used with a high-speed clock input? A: Yes, the CLK pin allows for clock input, which can be used for synchronous operation of the motor.
Q: How does the UVLO pin work in the TB67S109AFTG? A: The UVLO pin is used for under-voltage lockout, which detects low voltage conditions to protect the motor and IC.
Q: How do I set the direction of the motor? A: The direction of the motor is controlled through the DIR pin.
Q: What is the purpose of the EN pin? A: The EN pin is used to enable or disable the motor driver operation.
Q: Can the TB67S109AFTG be used in applications with high motor currents? A: Yes, the TB67S109AFTG is designed to handle high currents and provides current sensing capabilities via the SENSE pins.
Q: How can I control the motor speed using the TB67S109AFTG? A: The motor speed is controlled using the PWM pin, which provides pulse width modulation control.
Q: Does the TB67S109AFTG support different motor control modes? A: Yes, the MODE pin allows selection of various motor control modes, such as full-step or half-step.
Q: What voltage does the VBB pin require? A: The VBB pin requires the motor supply voltage, which is used to drive the motor.
Q: Is there a way to fine-tune the motor performance using the TB67S109AFTG? A: Yes, the ADJ pin can be used to adjust the motor performance for optimal operation.
Q: How does the TB67S109AFTG provide feedback for the motor's operational status? A: Feedback is provided through various pins like DIAG, FDBK, and SENSE pins.
Q: Can the TB67S109AFTG be used for both low and high-power motor applications? A: Yes, the TB67S109AFTG is versatile and can be used in both low and high-power motor control applications, with features like over-temperature protection and current sensing.
This explanation provides a comprehensive view of the TB67S109AFTG's pin functions, packaging, and practical application for motor control. The FAQ section addresses some common inquiries regarding the use and operation of this IC.