BD6590MUV
Technical Note
13~14inch panel
Adapt er
Adapt er
Battery
4.5V to 5.5V
Battery
4.5V to 26.6V
4.5V to 26.6V
4.5V to 5.5V
10µF
10µF
4.7µH
8S × 6P
4.7µH
8S × 6P
2.2µF/50V
2.2µF/50V
1µF
1µF
FAILFLAG SW SW
VBAT VBAT
FAILFLAG SW SW
VBAT VBAT
2. 2Mꢀ
69.8kꢀ
2. 2Mꢀ
69.8kꢀ
10kΩ
10kΩ
10kꢀ
10kꢀ
PWM
PWMDRV
VDET
PWMDRV
VDET
10kΩ
RESET
PWM
fPWM=100Hz~1kHz
10kΩ
PWMPOW
PWMPOW
fPWM=100Hz~1kHz
BD6590MUV
BD6590MUV
RESET
RSTB
TEST
RSTB
TEST
LED1
LED2
LED3
LED4
LED5
LED6
LED1
LED2
LED3
LED4
LED5
LED6
OCPSET
PGND
OCPSET
PGND
each16mA
Eac h 16mA
52.2kꢀ
56kꢀ
GND GND
ISET
GND GND
ISET
27kꢀ
27kꢀ
Fig.22
8series×6parallel, LED current 16mA,
Switching frequency 1250kHz setting example
Current driver PWM application
Fig.21
8series×6parallel, LED current 16mA,
Switching frequency 1250kHz setting example
Power control PWM application
10~12inch panel
Adapt er
Battery
4.5V to 23.9V
4.5V to 5.5V
10µF
4.7µH
7S × 6P
2.2µF/50V
1µF
FAILFLAG SW SW
VBAT VBAT
2. 2Mꢀ
78.7kꢀ
10kꢀ
PWMDRV
VDET
10kΩ
PWM
fPWM=100Hz~1kHz
10kΩ
PWMPOW
BD6590MUV
RESET
RSTB
TEST
LED1
LED2
LED3
LED4
LED5
LED6
OCPSET
PGND
LED7
47kꢀ
GND GND
ISET
Each 16mA
27kꢀ
Fig.23
7series×6parallel, LED current016mA,
Switching frequency 1250kHz setting example
Power control PWM application
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2011.07 - Rev.B
21/26
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