TTP233C ic equivalent, 1 key touch pad detector ic.
for DC
or AC application.
Characteristic
z Operating voltage 2.4V ~ 5.5V z Built-in regulator for touch sensor z Operating current, @VDD=3V no load
At low power mode typi.
z Wide consumer products z Button key replacement
2015/11/10
Page 1 of 11
Version：1.1
Block diagram
TTP233C
I
LPMB.
Key-on & timing control
TOG AHLB DLYB
Pad NO Pad Name Type
1 QO
2 OPDO OD
3
VSS
P
4 LPMB I-PH
5 TOG I-PL
6
VDD
P
7 AHLB I-PL
8 DLYB I-PH
9 MOTB I-PH
10 MOTA I-PH 11 I I/O
Pad Description
CMOS output pin
Open drain output pin activ.
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