TA8493F(2002) 데이터 시트보기 (PDF) - Toshiba

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TA8493F
(Rev.:2002)

Toshiba Bipolar Linear Integrated Circuit Multi-Chip

Toshiba 

TA8493F/AF/BF

Functional Description

This IC is a 3-phase, full wave brushless DC motor driver of the direct PWM control type.

· Control amp input circuit

VCC

VC

Vref

The common mode input voltage ranges for both VC and Vref are 0.5 to 4.0 V.

Relation between control input and PWM ON duty is shown below, PWM ON duty is 100%

when ïVref - VCï = 0.75 V (typ.)

The input is provided with a dead-zone area whose voltage width is 100 mV (typ.)

100

Dead-zone

voltage width

100 mV (typ.)

· Mode select/short brake circuit

0.5 Vref - 0.75 Vref Vref + 0.75

VC (V)

MS

BRK

8

2002-01-31

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