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LB1937T

Sanyo Semicon Device
Part Number LB1937T
Manufacturer Sanyo Semicon Device
Description 1-2 Phase Excitation Stepping Motor Driver
Published Jan 1, 2012
Detailed Description www.DataSheet.co.kr Ordering number : EN7231 Monolithic Digital IC LB1937T Overview 1-2 Phase Excitation Stepping Mo...
Datasheet PDF File LB1937T PDF File

LB1937T
LB1937T

Overview
www.
DataSheet.
co.
kr Ordering number : EN7231 Monolithic Digital IC LB1937T Overview 1-2 Phase Excitation Stepping Motor Driver The LB1937T is a 2-phase bipolar drive stepping motor driver IC that supports low-voltage drive and can drive two stepping motors at the same time.
The LB1937T's miniature package and minimal number of external components reduces the required mounting area.
It also provides high-efficiency motor drive and can reduce circuit current consumption.
Since it provides a current detection pin and supports PWM control input, it can be used to implement current chopper control at the system level.
The LB1937T is optimal for the stepping motors used for lens drive in digital cameras, printers, and movie cameras.
Functions and Features • Low saturation voltage forward/reverse motor driver (VO sat = 0.
3V at IO = 200mA) • Four H-bridge channels • Wide usable voltage range (Allowable voltage range: 2.
5V to 9.
5V, absolute maximum rating: 10.
5V) • Supports PWM input (Low power consumption can be achieved in slow delay mode that uses IN1/IN2 = H/H logic.
) • Motor (coil) current detection pin • Built-in thermal shutdown circuit • Thin form factor miniature package (TSSOP24) Any and all SANYO Semiconductor Co.
,Ltd.
products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.
).
The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.
) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof.
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