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A4980

Allegro
Part Number A4980
Manufacturer Allegro
Description Automotive Programmable Stepper Driver
Published Mar 27, 2020
Detailed Description A4980 Automotive Programmable Stepper Driver FEATURES AND BENEFITS • Peak motor current up to ±1.4 A, 28 V • Low RDS(on...
Datasheet PDF File A4980 PDF File

A4980
A4980

Overview
A4980 Automotive Programmable Stepper Driver FEATURES AND BENEFITS • Peak motor current up to ±1.
4 A, 28 V • Low RDS(on) outputs, 0.
5 Ω source and sink, typical • Automatic current decay mode detection/selection • Mixed, Fast, and Slow current decay modes • Synchronous rectification for low-power dissipation • Internal OVLO, UVLO, and Thermal Shutdown circuitry • Crossover-current protection • Short-circuit, and open-load diagnostics • Hot and cold thermal warning • Stall detect features • SPI-compatible or simple Step and Direction motion control • Highly configurable via SPI-compatible serial interface APPLICATIONS • Automotive stepper motors • Engine management • Headlamp positioning PACKAGE: 28-Pin TSSOP with Exposed Thermal Pad (suffix LP) Not to scale Logic Supply Microcontroller or ECU CP1 2 VCP VBB VDD STEP DIR OAP MS0 MS1 ENABLE OAM RESETn DIAG REF SDI SDO SCK STRn VREG OSC OBP OBM SENSA SENSB AGND PGND Automotive 12V Power Net Stepper Motor DESCRIPTION The A49...


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