Not Recommended for New Design

STA7123MC

SLA7083MPR

Package Image

Package : ZIP18

RoHS : YES

Data Sheet(1.9MB)

2-phase stepper motor unipolar IC, self excitation PWM current control with fixed off time.　
It is enclosed in a compact ZIP package (STA), while having equivalent features as the conventional product (SLA7080MPR series).
This allows reduction of external components and PCB size.
Lineup with various rated currents are available.

Data Download

Design Support

  • Technical Documents

Technical Documents

Features

    ・Motor supply voltages VM:
       35V(max), normal operating range: up to 33V
    ・Power supply voltages VBB:
       46V(max), normal operating range: 10V to 44V
    ・Maximum output current Io: 3A
    ・Supports clock-input-method
       (built-in sequencer)
    ・Built-in current sense resistor
    ・Self-excitation PWM current control with fixed OFF time
    ・Synchronous PWM chopping function prevents motor
       noise in Hold mode
    ・Built-in Standby function for reducing current con-
       sumption during standby
    ・Built-in protection circuitry against motor coil
       opens/shorts and thermal shutdown protection

Application

・Copying machines
・Printers
・Manufacturing equipment

Specifications

Excitation Method 2 phase/1-2 phase
Maximum Supply Voltage 33 V
Output Current 3.0 A
On-Resistance 0.12 Ω
Input Method Phase in
OCP YES
TSD YES
STP (Simultaneous ON Protection Feature) YES
Open Coil YES
Package Weight (Typ.)
Automotive Qualified

Block Diagram

Block Diagram

Pin Configuration Definitions

Pin Configuration Definitions

Physical Dimensions

Physical Dimensions

Questions or Comments?

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