GX20
6 – 17
CONFIDENTIAL
IC402 (IX3053AF): POWER MANAGEMENT
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No.
Terminal name
Input/Output
Description of terminal
1
T1
–
Dummy terminal (connected with T2 internally.)
2
LEDG
Output
G LED drive output terminal (Constant current drive)
3
GND1
–
Ground power supply terminal
4
VBAT1
–
VBAT power supply terminal
5*
LSO11
Output
Level shift output 1
6*
LSO12
Output
Level shift output 1
7
WVOUT
Output
Triple pressure rise charge pump output
8
T2
–
Dummy terminal (connected with T1 internally.)
9
TEST
Input
Test terminal (Internal pull down processing with IC)
10
LEDR
Output
R LED drive output terminal (Constant current drive)
11
LEDB
Output
B LED drive output terminal (Constant current drive)
12
TRSW
Output
DC-DC switching Tr drive terminal for R/G/B LED
13*
LSO21
Output
Level shift output 2
14*
LSO22
Output
Level shift output 2
15*
CAPP1
Output
Triple pressure rise charge pump C1 connection output
16*
CAPN1
Output
Triple pressure rise charge pump C1 connection output
17
SENSP
Input
DC-DC switching current sense terminal for R/G/B LED
18
SENSN
Input
DC-DC switching current sense terminal for R/G/B LED
19
CPIN
Input
Triple pressure rise charge pump input terminal
20*
CAPP2
Output
Triple pressure rise charge pump C2 connection terminal
21
VIO
–
Logic system power supply terminal
22
VPLUS2
Input
DC-DC pressure rise voltage feedback input for R/G/B LED
23*
CAPN2
Output
Triple pressure rise charge pump C2 connection terminal
24
GND3
–
Ground power supply terminal
25
STRB
Input
3-wire serial strobe input
26
CLK
Input
3-wire serial clock input
27
VPLUS12
Input
DC-DC pressure rise voltage feedback input for back light LED (main/external)
28
CAMP
Output
+13V voltage output terminal for cameras
29
DATA
Input
3-wire serial data input
30
FRP
Input
Level shift circuit and square wave input terminal
31
IREF
Output
Resistance connection terminal for current reference
32
VREF
Output
Voltage reference terminal C is connected
33
LEDCTL
Input
On/Off control terminal for R/G/B LED
34
CUR2
Output
Constant current drive output 2
35
CUR1
Output
Constant current drive output 1
36
FLED
Output
White backlight LED drive terminal (main)
37
GND2
–
Ground power supply terminal
38
SBD
Input
SBD input terminal
39
VNEG
Input
Negative power supply terminal for cameras
40
CAMN
Output
–7V voltage output terminal for cameras
41
T4
–
Dummy terminal (connected with T3 internally.)
42
RSTB
Input
Reset input (when Low is input)
43
BLED
Output
White backlight LED drive terminal (external)
44
SW1
Output
DC-DC coil switching terminal for backlight (main/external)
45
GND
Output
Ground power supply terminal
46
VBAT2
–
VBAT power supply terminal
47
VPLUS11
Input
DC-DC pressure rise voltage feedback input for backlight (main/external)
48
T3
–
Dummy terminal (connected with T4 internally.)