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STA7130MPR

2-phase stepper motor unipolar IC, self excitation PWM current control with fixed off time. Current sense resistor is built in the compact ZIP package (STA), allowing reduction of external components and PCB size. Lineup with various rated currents are available.

Design Support

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Features

    ・Built-in current sense resistor and built-in protection circuit
    ・Power supply voltages VBB: 46V(max) normal operating range:10V to 44V
    ・Maximum output current Io: Line up of 1A, 1.5A, 2A
    ・Supports clock-input-method micro-step drive (built-in sequencer)
    ・Self-excitation PWM current control
    ・Synchronous PWM chopping function prevents motor noise in Hold mode
    ・Sleep mode for reducing the IC input current in stand-by state
    ・ZIP type 18 pin molded package (STA package)

Application

    ・Copying machines
    ・Printers
    ・Manufacturing equipment

Specifications

Excitation Method 2 phase/2W1-2 phase
Maximum Supply Voltage 44 V
Output Current 1.0 A
On-Resistance 0.70 Ω
Input Method Clock in
OCP YES
TSD YES
STP (Simultaneous ON Protection Feature) YES
Open Coil YES
Package Weight (Typ.) 2.4 g

Block Diagram

Block Diagram

Pin Configuration Definitions

Pin Configuration Definitions

Physical Dimensions

Physical Dimensions

Questions or Comments?

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