ROHM BD7755RFV handbook

Update: 30 September, 2023

BD7755RFV is a spindle motor, actuator coil, tilt coil, stepping motor, SA stepping motor and loading motor driver IC developed for desktop Blu-ray drive and Blu-ray recorder. Spindle driver adopts sensorless drive system, and the hall sensor (3 pieces) of the motor position detection is not needed, it is suitable for making of flexible cable conserve wiring and the reductions of external parts. The low rotation mode is built in, and stability and low-speed a rotation is achieved. The spindle, stepping and SA stepping use power MOSFET to reduce power consumption and the actuator, tilt, and loading driver use a linear BTL drive system to reduce noise.

Brand: ROHM

File format: PDF

Size: 903 KB

MD5 Checksum: 42FEF107CE5496E92FF706098423C67E

Publication date: 04 June, 2012

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PDF Link: ROHM BD7755RFV handbook PDF

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