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Rohm Semiconductor Electronic Components Datasheet

BH6519FS Datasheet

4-channel PWM driver for CD/ MD player

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00W137A
4-channel PWM driver for CD, MD player
BH6519FS
Description
Dimension (Units : mm)
The BH6519FS is a 4-channel PWM driver developed
for both motor and actuator driving functions in CD and
MD players. The device requires lower power consumption
due to the adoption of power MOSFET in the output.
Features
13.6±0.2
32 17
1) Built-in 4ch power MOSFET H bridge
2) PWM input
3) Built-in charge pump circuit for VG step-up
4) ON resistance 1.2(Typ.)
5) Built-in thermal shut down circuit
6) Low power consumption
7) Small SSOP-A32 package
1 16
0.8
0.36±0. 1
0.3Min
SSOP-A32
Applications
CD, MD players
Absolute Maximum Ratings (Ta=25˚C)
Parameter
Symbol
Limits
H bridge supply voltage
Control circuit supply voltage
Pre-driver supply voltage
VM
VDD
VG (2pin)
9
9
12
Driver output current
Io 1000
Power dissipation
Operating temperature range
Storage temperature range
Pd
Topr
Tstg
850
–40 ~ +85
–55 ~ +150
Derating : 6.8mW/˚C for operation above Ta=25˚C
70mmx70mm, t=1.6mm, glass epoxy mounting.
Recommended Operating Conditions (Ta=25˚C)
Parameter
Symbol Min. Typ.
Max.
H bridge supply voltage
VM
1.6 5.0 5.5
Control circuit supply voltage VDD 2.7
Pre-driver supply voltage
VG(2pin) VM+3.0
Pulse input frequency
fIN –
When the built-in charge pump is not used. When it is used : 2.7V~5.5V
3.0
10
176.4
5.5
11.5
200
Unit
V
V
V
mA
mW
˚C
˚C
Unit
V
V
V
kHz
0. 15
February, 2001


Rohm Semiconductor Electronic Components Datasheet

BH6519FS Datasheet

4-channel PWM driver for CD/ MD player

No Preview Available !

Electrical characteristics
(Unless otherwise noted; Ta=25˚C, VM=5V, VDD=3V, VG=Built-in step-up output, fIN=176kHz, RL=8—47µH)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
H bridge supply current
No input
IMST 410 580 µA VDD=3V, VM=5V
Control circuit supply current
No input
IDD1 100 210 µA
Operating
IDD2 110 220 µA IDD1+4CH simultaneous drive
PSB
IDD3
Pre drive supply voltage (Charge pump output)
1 µA
No input
VGST 8.8 9.95
12
V
Operating
VGA 7.9 8.5
11
V 4CH simultaneous drive
Logic input characteristic
'H' level input voltage
VIH VDD0.6
V
'L' level input voltage
VIL — — 0.6 V
'H' level input current
IIH — — 1 µA
'L' level input current
IIL 1 — — µA
Output ON resistance
RON
1.2 2.0
ON resistance (Top+bottom)
VM=2.5V, VDD=3V, VG=10V
(VG is supplied outside.)
Output propagation
delay time
tRISE
tFALL
0.2
0.2
Minimum output pulse width tMIN 150
Oscillation frequency
fosc 150 370
This product is not designed for protection against radioactive rays.
Block Diagram
1 µsec
1 µsec
nsec Output pulse width: More than 2/3tMIN
520 kHz 31PIN waveform monitor
32 31 30 29 28 27 26 25 24 23 22 21 2200 19 1188 17
INTER-
FACE2
INTER-
FACE1
VDD
CHARGE
PUMP
PREDRIVE2
PREDRIVE4
INTER-
FACE4
PREDRIVE1
PREDRIVE3
TSD
BH6519FS
PSB
INTER-
FACE3
1 2 3 4 5 6 7 8 9 10 11 1122 1133 1144 1155 1166


Part Number BH6519FS
Description 4-channel PWM driver for CD/ MD player
Maker Rohm
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BH6519FS Datasheet PDF






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