System Motor Driver IC for Slim Drivers (3 sensors) - BH5510KVT

ROHM's slim drive 3-sensor motor driver ICs BH5510KV, BH5510KVT, BH5511KV contain the necessary circuitry to drive notebook PC and recorder disk drives. ROHM provides models that incorporate the latest technology to ensure quiet spindle motor operation and stability at low revolution speeds.

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* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Unit Quantity
Minimum Package Quantity
Packing Type
BH5510KVT-E2 Active TQFP48V 1500 1500 Taping Yes
Grade Standard
Usage DVD
Number of Channels 6.0
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
  • ・The spindle motor driver achieves a low noise by S!PWM×2 super low noise drive method of an original Rohm.
    ・The spindle motor driver built the gain switch function in, and it enabled the low-speed stability rotation.
    ・Actuator coil driver is no dead zone system and linearity is good.
    ・Actuator coil driver can be optimized the frequency characteristic matched to the load characteristic by external R.C.
    ・When the tilt coil load is not used by the set, it is possible to use it as an eject motor driver.
    ・STBY input is three state input, and only the spindle motor drive can be operated.
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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.