BH6512FS ROHM Co. Ltd., BH6512FS Datasheet

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BH6512FS

Manufacturer Part Number
BH6512FS
Description
4-channel Pwm Driver For Cd And Md Use
Manufacturer
ROHM Co. Ltd.
Datasheet
The BH6512FS / BH6513FS are 4-channel PWM drivers for driving the motors and actuators in CD and MD players.
MOSFET output stages are employed to keep power consumption down, and a charge pump circuit is included to multi-
ply the VG voltage.
FApplications
CD and MD players (portable units)
FFeatures
1) Four power MOS H-bridges.
2) Charge pump ( 3).
3) PWM input.
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions (Ta = 25_C)
4-channel PWM driver for CD
and MD use
BH6512FS / BH6513FS
Optical disc ICs
4) Low on-resistance.
5) Low power consumption.
6) Compact SSOP-A32 package.
695

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BH6512FS Summary of contents

Page 1

... PWM driver for CD and MD use BH6512FS / BH6513FS The BH6512FS / BH6513FS are 4-channel PWM drivers for driving the motors and actuators in CD and MD players. MOSFET output stages are employed to keep power consumption down, and a charge pump circuit is included to multi- ply the VG voltage. ...

Page 2

... Optical disc ICs FBlock diagram FPin descriptions 696 BH6512FS / BH6513FS ...

Page 3

... Optical disc ICs FInput / output circuits BH6512FS / BH6513FS 697 ...

Page 4

... Optical disc ICs FElectrical characteristics (unless otherwise noted 25_C 2.5V the internally pumped output, f FDriver truth table 698 BH6512FS / BH6513FS = 3V 176kHz, and * ...

Page 5

... Optical disc ICs FMeasurement circuit BH6512FS / BH6513FS 699 ...

Page 6

... If you will use an externally-supplied VG, discon- nect the capacitors between pins 31 and 32 and pins 1 and 2. FExternal dimensions (Units: mm) 700 BH6512FS / BH6513FS (3) The charge pump oscillator circuit runs freely when the CLK pin is connected to either V DD there is a pull-down resistor on the chip, it will also free run if CLK is left floating ...

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