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BD7902CFS - 6CH Power Driver for CD-ROM/ DVD-ROM

General Description

Pin No.

HV+ HV HW+ HW

HB PGND1 U SPVM1 V GND GND GND GND GND PGND2 W SPVM2 SPRNF FG CTL1 CTL2 SPIN DGND LDIN VC Function Hall amp.

U positive input Hall amp.

U negative input Hall amp.

Key Features

  • 1) 3channel BTL driver, 2channel PWM driver and 3phase motor driver. - ALL of the motor and actuator for CD-ROM, DVD-ROM etc. 2) These mode is able to be selected by the two control terminals. - ON/OFF of loading, and other 5channels, brake mode select of spindle driver and standby mode. 3) Built-in triangular-wave generator. 4) Package SSOP-A54 has large power dissipation. 5) Built in thermal-shut-down circuit. 〈 Spindle driver 〉.
  • Efficient drive by current feedback PWM drive.

📥 Download Datasheet

Datasheet Details

Part number BD7902CFS
Manufacturer ROHM
File Size 200.41 KB
Description 6CH Power Driver for CD-ROM/ DVD-ROM
Datasheet download datasheet BD7902CFS 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.

View original datasheet text
BD7902CFS Optical disc ICs 6CH Power Driver for CD-ROM, DVD-ROM BD7902CFS BD7902CFS is a 6-channel driver IC that integrates all drivers necessary for CD-ROM, and DVD-ROM systems into a single chip. The built-in 2-channel sled motor driver is used for the stepping motor. Low heat 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, 2channel PWM driver and 3phase motor driver. - ALL of the motor and actuator for CD-ROM, DVD-ROM etc. 2) These mode is able to be selected by the two control terminals. - ON/OFF of loading, and other 5channels, brake mode select of spindle driver and standby mode. 3) Built-in triangular-wave generator. 4) Package SSOP-A54 has large power dissipation.