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BD7904FS - 5ch Power Driver

General Description

Pin No.

HV+ HV SPVM1 HW+ HW

CTL1 CTL2 U V GND GND GND GND GND PGND W VC SPIN SPRNF HB SPVM2 DGND DVCC REGOUT REGNF Function Hall amp.

U positive input Hall amp.

Key Features

  • 1) 3channel BTL driver, 1channel PWM driver and 3phase motor driver. - ALL of the motor and actuator for CD-ROM, DVD-ROM etc. 2) ON/OFF for each driver, brake mode switching of spindle, and stand-by mode switching can be controlled by the two control terminals. 3) Built-in triangular-wave generator. 4) SSOP-A54 for strong head radiation. 5) Built in thermal-shut-down circuit. 6) FG 3phase synthetic output. !Absolute maximum ratings (Ta=25°C) Parameter POWER MOS power suuply voltage Preblock/BTL.

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Datasheet Details

Part number BD7904FS
Manufacturer ROHM
File Size 228.88 KB
Description 5ch Power Driver
Datasheet download datasheet BD7904FS Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com BD7904FS Optical disc ICs 5ch Power Driver for CD-ROM, DVD-ROM BD7904FS BD7904FS is a 5-channel driver IC that integrates all drivers and 3.3V regulator necessary for CD-ROM, and DVD-ROM systems into a single chip. Low head operation can be achieved by applying the PWM driving system for sled and spindle motor drivers. !Applications CD-ROM, DVD-ROM !Features 1) 3channel BTL driver, 1channel PWM driver and 3phase motor driver. - ALL of the motor and actuator for CD-ROM, DVD-ROM etc. 2) ON/OFF for each driver, brake mode switching of spindle, and stand-by mode switching can be controlled by the two control terminals. 3) Built-in triangular-wave generator. 4) SSOP-A54 for strong head radiation. 5) Built in thermal-shut-down circuit. 6) FG 3phase synthetic output.