What are the key applications for the TC233A?

It is widely used in battery-powered devices such as Bluetooth headsets, desk lamps, and other consumer electronics requiring touch-sensitive interfaces.

How is sensitivity adjusted for the TC233A?

Sensitivity is adjusted by changing the value of the external capacitor C2 (0-47pF). A smaller C2 value increases sensitivity, while a larger value decreases it.

What output modes does the TC233A support?

The device supports two modes: synchronous output (OHO pin grounded) and hold output (OHO pin connected to VDD).

What should sourcing teams check before buying TC233A?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: Low; readiness: easy.

What is the pinout of TC233A?

Use the TC233A datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about TC233A pinout to locate pins, power rails, and interface signals before layout.

TC233A Datasheet, Specs, Alternatives & ECAD | CS

AI summary

The TC233A is a low-power, single-key capacitive touch sensor IC designed for replacing mechanical switches in battery-operated consumer electronics.

Best for

Battery-powered consumer electronics
Touch-sensitive button replacement

Avoid if

High-noise environments without proper PCB isolation
Applications requiring multi-key sensing

Check before use

PCB layout for touch electrode
Capacitor C2 selection for sensitivity

Key specifications

Operating Voltage: 2.3V - 5.5V
Standby Current: 1.5uA
Package: SOT23-6L

Compliance & Environment

RoHS: -
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

Consumer ElectronicsSensor Interfaces

Datasheet

40a2f5e23954f2ad01899ed87b833c3b_2202251530_Shenzhen-Fuman-Elec-TC233A_C2798022.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for TC233A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

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PCB Footprint

Land pattern for PCB layout

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3D Model

STEP file for mechanical design

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KiCad Library

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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The TC233A is a single-key capacitive touch sensor IC with an integrated LDO, designed for low-power touch-based control applications.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the TC233A?+×

What are the key applications for the TC233A?+×

How is sensitivity adjusted for the TC233A?+×

What output modes does the TC233A support?+×

What should sourcing teams check before buying TC233A?+×

What is the pinout of TC233A?+×