TA8493F(2002) 查看數據表（PDF） - Toshiba

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TA8493F
(Rev.:2002)

Toshiba Bipolar Linear Integrated Circuit Multi-Chip

Toshiba 

TA8493F/AF/BF

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: ILIM = 0.7 A (typ.) (at RF = 0.33 Ω)

· 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.)

1

2002-01-31

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