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CY8CMBR3116-LQXIT

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Infineon Cypress Semicon Touch Sensors, QFN-24-EP(4x4). Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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CY8CMBR3116-LQXIT

Infineon Cypress Semicon · Touch Sensors · QFN-24-EP(4x4)

CY8CMBR3116-LQXIT from Infineon Cypress Semicon, in a QFN-24-EP(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 CS0/PS0 input CapSense button or proximity sensor input with 5-45 pF parasitic capacitance range.
2 CS1/PS1 input CapSense button or proximity sensor input with 5-45 pF parasitic capacitance range.
3 CS2/GUARD input CapSense button or guard sensor input with 5-45 pF parasitic capacitance range.
4 CS3 input CapSense button input with 5-45 pF parasitic capacitance range.
5 CMOD passive External modulator capacitor connection; connect 2.2 nF rated 5 V X7R or NPO capacitor.
6 VCC power_in Internal regulator output; connect 0.1 µF decoupling capacitor if VDD > 1.8 V, else short to VDD if 1.71-1.89 V.
7 VDD power_in Power supply input, 1.71 V to 5.5 V.
8 VSS power_in Ground connection.
9 CS15/SH/HI bidirectional CapSense button (CS15), shield electrode (SH), or host interrupt output (HI) with open-drain low-drive mode (SPO1).
10 CS14/GPO6 bidirectional CapSense button input or general-purpose output (GPO6) with configurable open-drain or strong drive modes.
11 CS13/GPO5 bidirectional CapSense button input or general-purpose output (GPO5) with configurable open-drain or strong drive modes.
12 CS12/GPO4 bidirectional CapSense button input or general-purpose output (GPO4) with configurable open-drain or strong drive modes.
13 CS11/GPO3 bidirectional CapSense button input or general-purpose output (GPO3) with configurable open-drain or strong drive modes.
14 CS10/GPO2 bidirectional CapSense button input or general-purpose output (GPO2) with configurable open-drain or strong drive modes.
15 CS9/GPO1 bidirectional CapSense button input or general-purpose output (GPO1) with configurable open-drain or strong drive modes.
16 CS8/GPO0 bidirectional CapSense button input or general-purpose output (GPO0) with configurable open-drain or strong drive modes.
17 CS7 input CapSense button input with 5-45 pF parasitic capacitance range.
18 CS6 input CapSense button input with 5-45 pF parasitic capacitance range; functions as AXRES during device boot-up.
19 CS5 input CapSense button input with 5-45 pF parasitic capacitance range.
20 CS4 input CapSense button input with 5-45 pF parasitic capacitance range.
21 I2C SDA bidirectional I2C serial data line, 0-400 kHz Fast Mode, with open-drain output.
22 I2C SCL bidirectional I2C serial clock line, 0-400 kHz Fast Mode, with open-drain output.
23 HI/BUZ/GPO7 output Host interrupt (active LOW 200-700 µs pulse), buzzer output (PWM 1.00-4.00 kHz), or GPO7 with open-drain low-drive mode (SPO0).
24 XRES input Active-low external reset input; apply minimum 5 µs LOW pulse to reset device.
25 EP power_in Exposed pad (E-pad) ground connection for best mechanical, thermal, and electrical performance; connect to VSS or leave floating.

Key specifications

Parameter Value
Manufacturer Infineon Cypress Semicon
Package QFN-24-EP(4x4)
Category Sensors
Pins 25

CAD (KiCad official)

  • Symbol: CY8CMBR3116-LQXIT
  • Footprint: Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm
  • 3D model: QFN-24-EP(4x4) (KiCad packages3D, STEP)
  • 3D model files: cy8cmbr3116-lqxit-etched.step / cy8cmbr3116-lqxit-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cy8cmbr3116-lqxit.step / cy8cmbr3116-lqxit.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Infineon Cypress Semicon datasheet (44 pp, sha256 85790bb28e06f735, retrieved 2026-09-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF