LB1945H Datasheet PDF (PWM Current Control Type Stepping Motor Driver)

LB1945H - PWM Current Control Type Stepping Motor Driver

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.

Datasheet Details

Part number	LB1945H
Manufacturer	Sanyo
File Size	48.69 KB
Description	PWM Current Control Type Stepping Motor Driver
Datasheet	LB1945H Datasheet
Additional preview pages of the LB1945H datasheet.

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Full PDF Text Transcription

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Ordering number : ENN*6193 LB1945H Monolithic Digital IC LB1945H PWM Current Control Type Stepping Motor Driver Preliminary 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.

Published: Apr 25, 2005 |