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- 2026-10-01
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YS YS816A Capacitive Touch Chip Functional Description
This document describes the YS816A capacitive touch sensing chip, highlighting its ability to detect touch through insulating materials such as glass or plastic. It outlines the chip's features, including 16‑channel support, adjustable sensitivity, low standby current, fast initialization, and waterproof capability, making it suitable for small appliances like range hoods and water heaters.
Technical information covers pin assignments, electrical limits, I²C communication details, parameter settings for calibration and sensitivity, package options (SOP24, SSOP24), and ordering data. Application notes provide reference circuits and design recommendations for reliable touch key implementation. This manual is written in Chinese.
Covers: Chip Overview · Chip Features · Pin Description · Electrical Characteristics · Application Design · I2C Communication
Latest YS manuals
YS YS816A Capacitive Touch Chip Functional Description
Datasheet 15 pages · 602 KB · ZHThe YS816A capacitive touch chip functional description provides overview, features, pinout, electrical characteristics, and application design details.
Which document do I need?
Datasheet
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in YS manuals
How many touch channels does the YS816A support?
The YS816A supports up to 16 touch channels.
From: YS YS816A Capacitive Touch Chip Functional Description
What is the standby current of the YS816A?
The standby current is about 14 µA average, with 15 µA at 3 V and up to 20 µA at 5 V.
From: YS YS816A Capacitive Touch Chip Functional Description