BA6855AFM Rohm, BA6855AFM Datasheet

no-image

BA6855AFM

Manufacturer Part Number
BA6855AFM
Description
CD-ROM spindle motor driver
Manufacturer
Rohm
Datasheet
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
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions (Ta = 25_C)
CD-ROM spindle motor driver
BA6855AFM
Motor driver ICs
FGS.
841

Related parts for BA6855AFM

BA6855AFM Summary of contents

Page 1

... 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 possible to select reverse brake and short brake modes. ...

Page 2

... Motor driver ICs FBlock diagram 842 BA6855AFM ...

Page 3

... Motor driver ICs FPin descriptions BA6855AFM 843 ...

Page 4

... Motor driver ICs FElectrical characteristics (unless otherwise noted 25_C, V 844 BA6855AFM = 5V 12V, and V = 12V ...

Page 5

... 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 ...

Page 6

... Pull it down with a resistor when the IC heat generation is low, and the external transistor heat generation is high. Normally this is open. (5) The relationship between BR and E When a high level is applied to the BR pin, the normal E > E relationship reverses ( ters short brake mode. 846 > and the IC en- CR BA6855AFM ...

Page 7

... Motor driver ICs FApplication example BA6855AFM 847 ...

Page 8

... Motor driver ICs FElectrical characteristic curves FExternal dimensions (Units: mm) 848 BA6855AFM ...

Related keywords