BH6513FS-E1 [ROHM]
Motion Control Electronic, CMOS, PDSO32;
| 型号： | BH6513FS-E1 |
| 厂家： | 
ROHM |
| 描述： | Motion Control Electronic, CMOS, PDSO32 光电二极管 |
| 文件： | 总6页 (文件大小：117K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Optical disc ICs
4-channel 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.
FApplications
CD and MD players (portable units)
FFeatures
1) Four power MOS H-bridges.
2) Charge pump ( 3).
3) PWM input.
4) Low on-resistance.
5) Low power consumption.
6) Compact SSOP-A32 package.
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions (Ta = 25_C)
695
Optical disc ICs
BH6512FS / BH6513FS
FBlock diagram
FPin descriptions
696
Optical disc ICs
BH6512FS / BH6513FS
FInput / output circuits
697
Optical disc ICs
BH6512FS / BH6513FS
FElectrical characteristics (unless otherwise noted, Ta = 25_C, VM = 2.5V, VDD = 3V,
VG is the internally pumped output, fIN = 176kHz, and RL = 8Ω *47µH)
FDriver truth table
698
Optical disc ICs
BH6512FS / BH6513FS
FMeasurement circuit
699
Optical disc ICs
BH6512FS / BH6513FS
FOperation notes
(1) The charge pump circuit is a 3 multiplier that uses
the voltage on pin 30 as its reference. Therefore, set the
voltage (VDD) on pin 30 so that the VG does not exceed
its rating.
(3) The charge pump oscillator circuit runs freely when
the CLK pin is connected to either VDD or GND. Also, as
there is a pull-down resistor on the chip, it will also free
run if CLK is left floating.
(2) If you will use an externally-supplied VG, discon-
nect the capacitors between pins 31 and 32 and pins 1
and 2.
To synchronize with an external clock, input the clock
pulses from the CLK pin.
FExternal dimensions (Units: mm)
700
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