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參數(shù)資料
| 型號(hào)： | TA8493BF |
| 廠商： | Toshiba Corporation |
| 元件分類(lèi)： | 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(wú)刷直流電動(dòng)機(jī)驅(qū)動(dòng)IC的CD - ROM驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 11/25頁(yè) |
| 文件大?。?/td> | 250K |
| 代理商： | TA8493BF |
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TA8493F/AF/BF
2002-01-31
11
Hall element bias circuit
The hall element bias current is turned off when the driver IC is in standby state.
Make sure that the negative hall bias line is connected to the HB pin.
The remaining voltage is as follows:
V
HB
1.2 V (typ.)
at I
HB
10 mA
Furthermore, this circuit cannot be used if FG output is necessary in standby state.
When the HB terminal is not used, the negative hall bias line must be connected to GND with a resistor in
between.
FG amp circuit
This circuit uses a hall element signal which is output to FGO after a Schmitt stage.
The FG amp has a hysteresis of 20 mV
p-p
(typ.) and its output voltages are
High level: V
CC
0.5 to V
CC
[V]
Low level: GND to 0.5 V
at I
OFG
10 A
The FG amp is active when it is in standby state. When the hall element signal is input, the FG signal is
output.
HB
FGO
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| TA8493F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:3-PHASE FULL WAVE BRUSHLESS DC MOTOR DRIVER IC FOR CD-ROM DRIVES |
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| TA8499F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:3 PHASE FULL WAVE BRUSHLESS DC MOTOR DRIVER IC FOR CD/DVD ROM DRIVES |
| TA8504 | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:HIGH SPEED COMPARATOR |
| TA8504F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:HIGH SPEED COMPARATOR |
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