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Product Detailed Parameters
- Description：STEPPING MOTOR DRIVER, 40V/3.5A,
- Series：-
- Mfr：Toshiba Semiconductor and Storage
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：-
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (4)
- Interface：Parallel
- Technology：Power MOSFET
- Step Resolution：1, 1/2, 1/4, 1/8, 1/16
- Applications：General Purpose
- Current - Output：2.5A
- Voltage - Supply：4.5V ~ 5.5V
- Voltage - Load：4.5V ~ 34V
- Operating Temperature：-30°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：48-VFQFN Exposed Pad
- Supplier Device Package：48-QFN (7x7)
- Grade：-
- Qualification：-
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Overview
The TB6560AFTG,C8,EL is a PWM chopper-type bipolar driver IC for stepping motor control, designed for sinusoidal-input microstep control. It supports 2-phase, 1-2-phase, 2W1-2-phase, and 4W1-2-phase excitation modes. The device features an internal pull-down resistor of 100 kΩ on inputs, an output monitor pin with a maximum current of 1 mA, and thermal shutdown protection. The typical on-resistance (Ron) sum is 0.7 Ω, with a high output withstand voltage of 40 V and a peak output current of 2.5 A.
Feature Summary
- PWM chopper-type operation for sinusoidal microstep control
- Supports multiple phase excitation modes including 2, 1-2, 2W1-2, and 4W1-2
- Integrated thermal shutdown protection
- Internal pull-down resistors on input pins
Applications
- Bipolar stepping motor control
- Sinusoidal microstep driving applications
- Low-vibration forward and reverse rotation systems
Procurement Notes
Verify the specific suffix C8,EL against the official Toshiba datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with the required excitation mode and voltage levels before integration. Cross-reference the part number with authorized distributors to confirm availability and authenticity.
Selection Notes
Select this component for applications requiring precise sinusoidal microstep control of bipolar stepper motors. Consider the 40 V withstand voltage and 2.5 A peak current capability when sizing the power supply and motor. Evaluate the need for thermal management given the integrated shutdown feature and on-resistance characteristics.
Part Context
The TB6560AFG is part of Toshiba's BiCD integrated circuit family, utilizing silicon monolithic technology. This series is engineered for high-performance stepping motor drivers, offering robust output stages and comprehensive protection features suitable for industrial automation and precision motion control equipment.
Replacement Considerations
The TB6560AHQ is a parameter-equivalent alternative within the same product line, distinguished by a lower typical on-resistance of 0.6 Ω compared to the 0.7 Ω of the TB6560AFG. Verify package compatibility and electrical parameter alignment before substitution.
