SLA7070MPRT |Sanken Electric

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SLA7070MPRT

Data sheetdownload (PDF:60.76KB)
Application Notedownload (PDF:731.76KB)

Description

2-phase stepper motor unipolar IC, self excitation PWM current control with fixed off time. The built-in current sense resistor allows reduction in external components. The series has a built-in protection function which operates during abnormal operation (motor coil opens/shorts ) and thermal shutdown protection as well. Lineup with various rated currents and sequencers are also available.

Application

・Copying machines
・Printers
・Manufacturing equipment

Features

・Built-in current sense resistor and built-in protection circuit
・Power supply voltages VBB: 46V(max), normal operating range: 10V to 44V
・Logic supply voltages VDD: 3.0V to 5.5V
・Maximum output current Io: Line up of 1A, 1.5A, 2A, 3A
・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 23 pin molded package (SLA package)

Remarks

Package

Package Name:ZIP23(SLA-23)

Package Diagram

Specifications

Excitation Method2 phase/1-2 phase
Supply Voltage10V to 44V
Output Current1A
On-Resistance0.7Ω
Input MethodClock in
OCPYES
TSDYES
STP (Simultaneous ON Protection Feature)YES
Open Coil ProtectionYES

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Representative Circuit

Internal Block Diagram

Pin-out Diagrams

Data sheetdownload (PDF:60.76KB)
Application Notedownload (PDF:731.76KB)
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