(PDF) BA6855AFM Datasheet - CD-ROM spindle motor driver

Número de pieza	BA6855AFM
Descripción	CD-ROM spindle motor driver
Fabricantes	ROHM Semiconductor
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No Preview Available ! Motor driver ICs CD-ROM spindle motor driver BA6855AFM The BA6855AFM is a CD-ROM motor driver with a built-in motor power supply switching regulator. The switching regulator allows low-power designs, and reduced thermal dissipation from the IC. It is possible to select reverse brake and short brake modes. FApplications CD-ROM, CD-R, CD-RW, DVD-ROM, and DVD-RAM FFeatures 1) Motor switching regulator on chip. 2) Selectable brake mode via BR pin. 3) FG signal output also possible at power save via FGS. FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions (Ta = 25_C) 841 1 page Motor driver ICs BA6855AFM FOperation notes (1) FGS When a high-level voltage is input to FGS, the FG output is output even when power save is on (PS = low level). Also, the Hall bias terminal stays in the operating state. (2) Switching regulator The BA6855AFM has a switching regulator pin. The IC has an oscillator circuit, and the output is compared to the low-level voltage detector output and output on VREG. 845 5 Page

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PDF BA6855AFM Data sheet ( Hoja de datos )