BD6088GUL
● Block Diagram / Application Circuit example 2
VBAT
VBATCP
1 μ F
1 μ F
Technical Note
VBAT1
10μF
Charge Pump
Charge Pump
x1 / x1.5 / x2
OVP
VOUT
LED1
LED2
1 μ F
VIO
Mode Control
LED terminal voltage feedback
LED3
LED4
4ch
Main Back Light
(
) (
) (
)
RESETB
LED5
I C interface
SCL
Level
2
TSD
LED6
2ch
Sub Back Light
SDA
I/O
Shift
Digital Control
LEDGND
WPWMIN
VBAT
Key Pad
LED
IREF
??
OUTCNT
VREF
Key
Control
KBLT
Photo IC
VDD
SBIAS
VBAT
GC1
GC2
GND
IOUT
1 μ F
BH1600FVC
SSENS
SGND
Sensor
I/F
LED
control
Slope
Control
Slope
OUT1
OUT2
GC2
GPO
Control
Slope
Control
OUT3
OUT4
GC1
ALC
Fig.2
Slope
Control
Block Diagram / Application Circuit example 2
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5/51
2011.04 - Rev.A
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