1. Description:
TTP223 module replace traditional buttons with variable area buttons. It has small size, convenient, flexible, and powerful. With four working modes: jog high-level output, self-locking high-level output, jog low-level output, and self-locking low-level output. Expand an I/O port to facilitate the transmission of signals.
2. Feature:
Working voltage: 2.5v-5.5v.
Working current: In low-power mode, typical value is 1.5 μ A, the maximum value is 3.0 μ A.
Maximum output current: 30mA.
Sensing distance: within 5mm.
3.Schematic diagram




Effect | A | B |
Jog high output | No weld | No weld |
Self lock high output | No weld | Weld |
Jog low output | No weld | Weld |
Low self lock output | Weld | Weld |
4. Result
