BD6581GU-E2 Rohm Semiconductor, BD6581GU-E2 Datasheet - Page 21

• Manufacturer Part Number: BD6581GU-E2
• Description: IC LED DVR WHT BCKLGHT VCSP85H2
• Manufacturer: Rohm Semiconductor
• Series: -r

Specifications of BD6581GU-E2

• Constant Current: -
• Constant Voltage: -
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 6
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 800kHz ~ 1.2MHz
• Voltage - Supply: 2.7 V ~ 22 V
• Voltage - Output: 44.7 V
• Mounting Type: *
• Package / Case: *
• Operating Temperature: -30°C ~ 85°C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

BD6581GU
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com
RTR020N05
RTR020N05
100Hz~10kHz
100Hz~10kHz
56mΩ
PWM
68mΩ
PWM
Fig.47 7 series×6 parallel, LED current 16mA setting
Fig.49 8 series×3 parallel, LED current 20mA setting
10~12inch panel
7inch panel


10μF
10μF
ON/OFF
ON/OFF
Power
Power
Battery
Battery
24kΩ : 20mA
30kΩ : 16mA
19.6kΩ : 24.5mA
33kΩ : 14.5mA
Please input PWM pulse from PWMPOW or PWMDRV terminal.
Please refer electrical characteristic p.3 and function (p.12).
LED current setting controlled ISETH resistor.
Brightness control
1μF
1μF
4.7μH
4.7μH
2.2μF *
2.2μF *
Current driver PWM application
Current driver PWM application
GND
GND
SENSP
SENSN
SENSP
SENSN
PWMPOW
PWMDRV
PWMPOW
PWMDRV
SW
RSTB
VREG
SW
RSTB
VREG
VBAT
VBAT
GND
GND
GND
GND
GND
GND
TEST
TEST
FAILSEL
FAILSEL
ISETH
ISETH
30kΩ
24kΩ
ISETL
ISETL
LED1
LED2
LED3
LED4
LED5
LED6
LED1
LED2
LED3
LED4
LED5
LED6
VDET
VDET
Can be set up to each 10~25mA
Can be set up to each 10~25mA
Each 20mA
Each 16mA
7LED x 6 parallel
8LED x 3 parallel
21/26
RTR020N05
RTR020N05
100Hz~10kHz
100Hz~10kHz
Fig.48 10 series×4 parallel, LED current 20mA setting
56mΩ
PWM
68mΩ
PWM
Fig.50 6 series×4 parallel, LED current 20mA setting
10μF
10μF
ON/OFF
ON/OFF
Power
Power
Battery
Battery
1μF
1μF
4.7μH
4.7μH
2.2μF *
2.2μF *
Current driver PWM application
Current driver PWM application
GND
GND
SENSP
SENSN
SENSP
SENSN
RSTB
PWMPOW
PWMDRV
RSTB
PWMPOW
PWMDRV
SW
VREG
SW
VREG
VBAT
VBAT
GND
GND
GND
GND
GND
GND
TEST
TEST
FAILSEL
FAILSEL
ISETH
ISETH
24kΩ
24kΩ
ISETL
ISETL
LED1
LED2
LED3
LED4
LED5
LED6
LED1
LED2
LED3
LED4
LED5
LED6
VDET
VDET
Can be set up to each 10~25mA
Can be set up to each 10~25mA
2010.03 - Rev.A
Technical Note
Each 20mA
Each 20mA
10LED x4 parallel
6LED x 4 parallel