PS223 Datasheet, PDF (3/11 Pages) Silicon Touch Technology Inc. – 4-Channel Secondary Monitoring IC With 4-Channel OCP And an Additional OTP

點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
PS223
Block Diagram
VS12A
VS12B
VS5
VS33
IS12A
IS12B
IS5
IS33
171KΩ
9.4KΩ ^Vref
18KΩ ^Vref
12 UV
12 OV
171KΩ
9.4KΩ Vref
18KΩ ^Vref
12 UV
12 OV
37.7KΩ
8.3KΩ ^Vref
12KΩ Vref
5 UV
5 OV
16.3KΩ
8.9KΩ ^Vref
12KΩ ^Vref
3.3 UV
3.3 OV
Iref X 8
Iref X 8
Iref X 8
Iref X 8
12 OC
12 OC
5 OC
3.3 OC
73uS
De-bounce
38mS
De-bounce
SQ
R
delay
H : 4mS
L : 4.5uS
FPO/
1MΩ
20KΩ
Vcc
PSON/
OTP
2.5V
delay
H : 75mS
L : 4.5uS
1
0
R
QS
1.13V
0.63V
PGI
1.25V
73uS
De-bounce
delay
H : 300mS
L : 4.5uS
VCCI
1MΩ
PGO
delay
H : 20mS
L : 4.5uS
Power On
Reset
Internal
Power
POR
VCCI = 4V
Constant Current
RI
Source Iref
Band-Gap
Vref
Clock
Reference
Generator
CLK
GND
4-Channel Secondary Monitoring IC
-2-
Version：A.006