BD6590MUV
Technical Note
●Pin Assignment Table
Terminal
diagram
PIN No.
PIN Name
In/Out
Function
1
2
SW
SW
Out
Out
-
Switching Tr drive terminal
Switching Tr drive terminal
No connect pin
H
H
F
D
C
A
A
J
3
N.C.
4
PGND
FAILFLAG
OCPSET
VDET
TEST
RSTB
ISET
-
PGND for switching Tr
Fail Flag
5
Out
In
In
In
In
In
-
6
Current Limiter setting
7
Detect input for SBD open and OVP
TEST signal
8
9
Reset
J
10
11
12
13
14
5
Resister connection for LED current setting
GND for Switching Regulator
No connect pin
A
B
F
C
C
C
C
C
C
F
B
G
I
GND
N.C.
-
LED1
In
In
In
In
In
In
-
Current sink for LED
Current sink for LED
Current sink for LED
Current sink for LED
Current sink for LED
Current sink for LED
No connect pin
LED2
LED3
16
17
18
19
20
21
22
23
24
LED4
LED5
LED6
N.C.
GND
-
GND for Current driver
PWMDRV
VBAT
PWMPOW
VBAT
In
In
In
In
PWM input pin for power ON/OFF only driver
Regulator output / Internal power-supply
PWM input pin for power ON/OFF
Switching Tr drive terminal
E
I
VBAT
VBAT
VBAT
PIN
PIN
PIN
PIN
GND
GND
GND
PGND
C
D
A
B
VBAT
VBAT
PIN
PIN
PIN
PIN
5.5V
Clump
GND
GND
PGND
E
F
G
H
VBAT
PIN
PIN
GND PGND
GND
I
J
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2011.07 - Rev.B
4/26
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