LV5237JA Datasheet, PDF (6/23 Pages) ON Semiconductor – 9-channel LED Driver

Pin Assignment
LV5237JA
Pin Descriptions
Pin No.
Pin name
I/O
1
SVCC
-
2
TEST1
I
3
VREF
O
4
CTLSCT
I
5
SCLK
I
6
SDATA
I
7
SDEN/A3
I
8
A2
I
9
A1
I
10
A0
I
11
RT1
O
12
SGND
-
13
VLED
-
14
LEDR1
O
15
LEDG1
O
16
LEDB1
O
17
PGND1
-
18
LEDR2
O
19
LEDG2
O
20
LEDB2
O
21
LEDR3
O
22
LEDG3
O
23
LEDB3
O
24
OUTSCT
I
Description
Power supply pin
Test1 pin (connected to GND)
5V reference output pin
2-wire serial bus/3-wire serial bus selecting control pin
(L: 3-wire serial, H: 2-wire serial)
Serial clock signal input pin
Serial data signal input pin
Serial enable signal input pin / Slave address input pin A3
Slave address input pin A2
Slave address input pin A1
Slave address input pin A0
LED current setting resistor connection pin
Analog circuit GND pin
Output protection pin
LEDR1 output pin
LEDG1 output pin
LEDB1 output pin
GND pin dedicated for LED driver
LEDR2 output pin
LEDG2 output pin
LEDB2 output pin
LEDR3 output pin
LEDG3 output pin
LEDB3 output pin
Output type switching control pin
L: Constant-current output
M:Constant output, only RGB3 is open drain output
H: Open drain output
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