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TTP224B 4 keys Touch Pad Detector IC

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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.

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Datasheet Specifications

Part number
TTP224B
Manufacturer
TONTEK
File Size
300.33 KB
Datasheet
TTP224B-TONTEK.pdf
Description
4 keys Touch Pad Detector IC

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

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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