Datasheet Details
- Part number
- TTP224B
- Manufacturer
- TONTEK
- File Size
- 300.33 KB
- Datasheet
- TTP224B-TONTEK.pdf
- Description
- 4 keys Touch Pad Detector IC
TTP224B Description
TTP224B 4 keys Touch Pad Detector IC Outline z The TTP224B TonTouchTM IC is capacitive sensing design specifically for touch pad controls.The device .
Key-on & timing control
TOG AHLB OD SM
Pad NO
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
Pad Name
TP0 TP1 TP2 TP3 AHLB VDD VREG TOG LPMB MOT1.
TTP224B Features
* 1 0 Direct mode, CMOS output active high
1 1 Direct mode, CMOS output active low
0 0 Direct mode, Open drain output active high
0 1 Direct mode, Open drain output active low
1 0 Toggle mode, CMOS output, Power on state=0
1 1 Toggle mode, CMOS output, Power on state=1
0 0 Toggle mode, Power on
TTP224B Applications
* z Wide consumer products z Button key replacement
15/06/16
Page 1 of 11
Version：1.1
Block diagram
TTP224B
TP0 TP1 TP2 TP3
LPMB MOT0 MOT1 REGEN
Sensor oscillator circuit
Timing counter & function option control circuit
Sensor & Reference detecting circuit
Touch detecting circuit
Output mode
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TTP224B Stock/Price