TTP229-BSF Overview
The TTP229-BSF TonTouchTM IC is capacitive sensing design specifically for touch pad controls. The device built in regulator for touch sensor. Stable sensing method can cover diversity conditions.
TTP229-BSF Key Features
- Operating voltage：2.4V~5.5V
- Built-in regulator
- Stand-by current
- Provides to set 8 direct keys or 16 direct keys by option
- Provides to set 8 separate outputs only for 8 direct input keys mode
- Has a 2-wires serial output interface, both can use for 8 and 16 direct input keys mode
- 8 separate outputs can select output driving types by option (CMOS/OD/OC with active high/low)
- 2-wires serial interface can select active high or low by option
- Offer multi-key or single-key feature by option
- Provides two kinds of sampling rate that slow sampling rate 8Hz and fast sampling rate 64Hz at sleep mode