1ch System Motor Driver ICs - BD7931F

1ch system motor driver of the ROHM is a driver of one channel developed to correspond to the drive channel to which an individual design is requested by the disk drive composition of CD / DVD. The best motor driver can be selected according to DSP, the loading motor, and the actuator for CD / DVD used.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part number
Unit Quantity
Minimum Package Quantity
Packing Type
BD7931F-E2 Active SOP8 2500 2500 Taping Yes
Grade Standard
Usage CD / DVD
Number of Channels 1.0
Operating Temperature (Min.)[°C] -35
Operating Temperature (Max.)[°C] 85
  • ・High D-range loading driver with MOS outputs (Ron = 1.0Ω)
    ・Provided with a loading driver voltage setting terminal
    ・A built-in thermal shutdown circuit installed.
Pin Configuration:
Pin Configration
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New Products:
Technical Data
Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.