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參數資料
| 型號： | TA8493F |
| 廠商： | Toshiba Corporation |
| 元件分類： | 基準電壓源/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驅動IC的CD - ROM驅動器 |
| 文件頁數： | 1/25頁 |
| 文件大小： | 250K |
| 代理商： | TA8493F |
TA8493F/AF/BF
2002-01-31
1
Toshiba Bipolar Linear Integrated Circuit Multi-Chip
TA8493F, TA8493AF, TA8493BF
3-Phase Full Wave Brushless DC Motor Driver IC for CD-ROM Drives
These 3-phase, full-wave, brushless DC motor driver ICs have
been developed for use in CD-ROM drive spindle motors. The
TA8493F/ AF/ BF contain in its upper stage a discrete power
transistor (P-ch-MOS) and uses direct PWM control system,
which enables the IC to provide superior thermal efficiency.
Furthermore, the multi-chip structure of this device facilitates
dispersion of the heat generated inside the package, making it
possible to suppress heat concentration.
Features
Multi-chip structure (3 × 2SJ465 chips built-in)
Direct PWM control system
Drive system: 120
°
drive system (TA8493F/BF)
: 180
°
drive system (TA8493AF)
Built-in current limiter: I
LIM
= 0.7 A (typ.) (at R
F
= 0.33
)
Built-in reversing brake/short brake functions
FG signal output (using hall element output signal)
Built-in hall bias
Built-in thermal shutdown circuit
Package: MFP-30
Weight: 0.63 g (typ.)
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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 |
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