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TTP229-BSF - 16 KEYS OR 8 KEYS TOUCH PAD DETECTOR IC

Description

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.

Features

  • Operating voltage：2.4V~5.5V.
  • Built-in regulator.
  • Stand-by current At 3V, and sleep mode slow sampling rate 8Hz： => Typical 2.5uA for 16 input keys => Typical 2.0uA for 8 input keys.
  • 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 (C.

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Datasheet Details

Part number TTP229-BSF
Manufacturer TONTEK
File Size 318.44 KB
Description 16 KEYS OR 8 KEYS TOUCH PAD DETECTOR IC
Datasheet download datasheet TTP229-BSF Datasheet

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Preliminary TTP229-BSF TonTouchTM 16 KEYS OR 8 KEYS TOUCH PAD DETECTOR IC GENERAL DESCRIPTION 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. Human interfaces control panel links through non-conductive dielectric material. The main application is focused at replacing of the mechanical switch or button. The ASSP can independently handle the 8 touch pads or up to 16 touch pads. FEATURES ƒ Operating voltage：2.4V~5.5V ƒ Built-in regulator ƒ Stand-by current At 3V, and sleep mode slow sampling rate 8Hz： => Typical 2.5uA for 16 input keys => Typical 2.
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