TTP233C

2015/11/10

Page 2 of 11

Version：1.1

Block diagram

Pin Description

Pad NO Pad Name Type

Pad Description

1

Q

O

CMOS output pin

2

OPDO

OD

Open drain output pin active low(have no Diode protective circuit)

3

VSS

P

Negative power supply, ground

4

LPMB

I-PH

Low power mode selection,

1(Default)=>Fast mode; 0=>Low power mode

5

TOG

I-PL

Output type option pin,

Normal mode: 0(Default)=>Direct output; 1=>Toggle output

Delay-off mode:0(Default)=>delay-off mode-1; 1=>delay-off mode-2

6

VDD

P

Positive power supply

7

AHLB

I-PL

Output Q active high or low selection,

0(Default)=>Active high; 1=>Active low

8

DLYB

I-PH

Selecting delay-off option pin,

1(Default)=>normal mode; 0=>delay-off mode

9

MOTB

I-PH

10

MOTA

I-PH

Maximum on time or delay-off mode time selection, 11(Default)

All time error is ±50%

MOTB MOTA Normal mode: Maximum on time Delay-off mode

1

1

Infinity

2sec

0

1

16sec

80sec

1

0

64sec

16sec

0

0

8sec

8sec

11

I

I/O

Input sensor port

Pin Type

I

CMOS input only

I-PH

CMOS input and pull-high resister

O

CMOS push-pull output

I-PL

CMOS input and pull-low resister

I／O

CMOS I／O

OD

Open drain output, have no Diode

protective circuit

P

Power／Ground

OPDO

Q

DLYB

MOTB

MOTA

I

LPMB

control circuit

function option

Timing counter &

TOG

control

Key-on & timing

circuit

System oscillator

Regulator

circuit

AHLB

circuit

Sensor oscillator

circuit

Touch detecting

detecting circuit

Reference

Sensor &

circuit

driver

&

mode

Output