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BD9422EFV Datasheet, PDF (5/28 Pages) Rohm – White LED Driver for large LCD panel
BD9422EFV
●1.3 Pin Descriptions
No
Pin name
1
VCC
2
FAIL
3
REG9V
4
N.C.
5
N
6
PGND
7
CS
8
OVP
9
M_DET
10
SUMPWM
11
LED1
12
LED2
13
LED3
14
LED4
15
LED5
16
LED6
17
STB
18
PWM1
19
PWM2
20
PWM3
21
PWM4
22
PWM5
23
PWM6
24
FAIL_RST
25
S6
26
S5
27
S4
28
S3
29
S2
30
S1
31
CP
32
SS
33
FB
34
RT
35
VREF
36
LED_LV
37
LSP
38
FAIL_MODE
39
UVLO
40
AGND
In/Out
Function
IN
OUT
OUT
-
OUT
IN
IN
IN
OUT
IN/OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
Power source terminal
Abnormality detection output terminal (OPEN DRAIN)
9V regulator output terminal
Non connection terminal
DC/DC switching output terminal
Power GND terminal
DC/DC FET output current detection terminal
Overvoltage protection detection terminal
LED Diode OR output terminal
PWM signal enable/disable detection terminal
LED output 1
LED output 2
LED output 3
LED output 4
LED output 5
LED output 6
Standby control terminal
PWM dimming input signal terminal for LED 1
PWM dimming input signal terminal for LED 2
PWM dimming input signal terminal for LED 3
PWM dimming input signal terminal for LED 4
PWM dimming input signal terminal for LED 5
PWM dimming input signal terminal for LED 6
FAIL output reset terminal
Connecting terminal for LED 6 constant current setting resistor
Connecting terminal for LED 5 constant current setting resistor
Connecting terminal for LED 4 constant current setting resistor
Connecting terminal for LED 3 constant current setting resistor
Connecting terminal for LED 2 constant current setting resistor
Connecting terminal for LED 1 constant current setting resistor
Connecting terminal for non-reaction time setting capacitor
Connecting terminal for soft-start time setting capacitor
Error amplifier output terminal
Connecting terminal for DC/DC frequency setting resistor
Analog dimming DC voltage input terminal
LED control voltage set terminal
LED SHORT detection voltage setting terminal
FAIL function change terminal
Low voltage malfunction prevention detection terminal
GND terminal for analog part
Datasheet
rating
[V]
-0.3 to 36
-0.3 to 36
-0.3 to 13
-
-0.3 to 13
-
-0.3 to 7
-0.3 to 7
-0.3 to 13
-0.3 to 7
-0.3 to 60
-0.3 to 60
-0.3 to 60
-0.3 to 60
-0.3 to 60
-0.3 to 60
-0.3 to 36
-0.3 to 22
-0.3 to 22
-0.3 to 22
-0.3 to 22
-0.3 to 22
-0.3 to 22
-0.3 to 22
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 7
-0.3 to 10.5
-
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TSZ02201-0F1F0C100210-1-2
31.May.2013 Rev.003