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參數(shù)資料
| 型號： | TA8493F |
| 廠商： | Toshiba Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 3-PHASE FULL WAVE BRUSHLESS DC MOTOR DRIVER IC FOR CD-ROM DRIVES |
| 中文描述： | 3相全波無刷直流電動機(jī)驅(qū)動IC的CD - ROM驅(qū)動器 |
| 文件頁數(shù)： | 8/25頁 |
| 文件大?。?/td> | 250K |
| 代理商： | TA8493F |
TA8493F/AF/BF
2002-01-31
8
Functional Description
This IC is a 3-phase, full wave brushless DC motor driver of the direct PWM control type.
Control amp input circuit
The common mode input voltage ranges for both V
C
and V
ref
are 0.5 to 4.0 V.
Relation between control input and PWM ON duty is shown below, PWM ON duty is 100%
when V
ref
V
C
0.75 V (typ.)
The input is provided with a dead-zone area whose voltage width is 100 mV (typ.)
Mode select/short brake circuit
V
ref
V
CC
V
C
BRK
MS
V
ref
V
C
(V)
Dead-zone
voltage width
100 mV (typ.)
V
ref
0.75
V
ref
0.75
100
0.5
P
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