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BD6581GU
? LED current setting controlled ISETH resistor.
19.6k ? : 24.5mA
24k ? : 20mA
30k ? : 16mA
33k ? : 14.5mA
? Brightness control
? Brightness control
Please input PWM pulse from PWMPOW or PWMDRV terminal.
Please refer electrical characteristic page.6 and function (page.17).
10 to 12inch panel
Datasheet
Battery
Battery
10 μ F
4.7 μ H
7LED x 6 parallel
10 μ F
4.7 μ H
10LED x4 parallel
2.2 μ F *
2.2 μ F *
RTR020N05
SW
SENSP
FAILSEL
VDET
RTR020N05
SW
SENSP
FAILSEL
VDET
56m ?
SENSN
56m ?
SENSN
Power
ON/OFF
RSTB
Power
ON/OFF
RSTB
PWMPOW
LED1
PWMPOW
LED1
100Hz~10kHz
PWMDRV
LED2
100Hz~10kHz
PWMDRV
LED2
PWM
VBAT
LED3
LED4
PWM
VBAT
LED3
LED4
1 μ F
VREG
LED5
1 μ F
VREG
LED5
GND GND GND GND TEST ISETH ISETL LED6
GND GND GND GND TEST ISETH ISETL LED6
30k ?
Each 16mA
24k ?
Each 20mA
Can be set up to each 10~25mA
Figure 48. 7 series × 6 parallel, LED current 16mA setting
Current driver PWM application
7inch panel
Battery
Can be set up to each 10~25mA
Figure 49. 10 series × 4 parallel, LED current 20mA setting
Current driver PWM application
Battery
10 μ F
4.7 μ H
8LED x 3 parallel
10 μ F
4.7 μ H
6LED x 4 parallel
2.2 μ F *
2.2 μ F *
RTR020N05
SW
SENSP
FAILSEL
VDET
RTR020N05
SW
SENSP
FAILSEL
VDET
68m ?
SENSN
68m ?
SENSN
Power
ON/OFF
RSTB
Power
ON/OFF
RSTB
PWMPOW
LED1
PWMPOW
LED1
100Hz~10kHz
PWMDRV
LED2
100Hz~10kHz
PWMDRV
LED2
PWM
VBAT
LED3
LED4
PWM
VBAT
LED3
LED4
1 μ F
VREG
LED5
1 μ F
VREG
LED5
GND GND GND GND TEST ISETH ISETL LED6
GND GND GND GND TEST ISETH ISETL LED6
24k ?
Each 20mA
24k ?
Each 20mA
Can be set up to each 10~25mA
Figure 50. 8 series × 3 parallel, LED current 20mA setting
Current driver PWM application
Can be set up to each 10~25mA
Figure 51. 6 series × 4 parallel, LED current 20mA setting
Current driver PWM application
* Please select the capacitor which the little bias fluctuation.
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
25/32
TSZ02201-0G3G0C400170-1-2
03.Dec.2012 Rev.001
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