LB1945H - PWM Current Control Type Stepping Motor Driver

Sanyo

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Datasheet Details

Part number	LB1945H
Manufacturer	Sanyo
File Size	48.69 KB
Description	PWM Current Control Type Stepping Motor Driver
Datasheet	LB1945H_SanyoSemiconDevice.pdf

LB1945H Product details

Description

Pin name Pin number VBB1 7 VBB2 24 E1 5 E2 23 OUTA 2 OUTA 1 OUTB 27 OUTB 28 GND 14 S GND 15 D GND 6 22 CR 21 VREF1 VREF2 PHASE1 PHASE2 ENABLE1 ENABLE2 IA1, IA2 IB1, IB2 VCC 13 16 9 20 10 19 12, 11 17, 18 8 Function Output stage power supply voltage pin.

Features

PWM current control (external excitation).
Load current digital selection (1.
2, W1.
2, and 2 phase excitation drives possible).
Built-in upper/lower diode.
Simultaneous ON prevention function (feedthrough current prevention).
Built-in thermal shutdown circuit.
Built-in noise canceler Package Dimensions unit: mm 3233-HSOP28H [LB1945H] 15.3 28 15 0.65 0.25 6.2 2.7 1 0.85 0.8 0.3 14 2.5max 0.1 2.25 Specifications Absol.

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Published: Apr 25, 2005 |