component

PT2043AD4

Public Made by Adom

by adom

PinTeng Touch Sensors, DFN-4-EP(1x1). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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PT2043AD4

PinTeng · Touch Sensors · DFN-4-EP(1x1)

PT2043AD4 from PinTeng, in a DFN-4-EP(1x1). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VSS power_in Ground pin for the device (datasheet pin type P, ground).
2 TCH input Touch-sense input; the trace from the touch pad to this pin should be as short as possible and must not run parallel to or cross other traces, and an optional Cs capacitor of 1 to 50 pF on this node sets sensitivity.
3 QC output CMOS output; on the PT2043AD4 it is fixed to synchronous mode with active-high output, with output source current IOH of 2 mA and sink current IOL of 15 mA at VDD=3 V.
4 VDD power_in Power supply input with a specified operating range of 2.4 V to 5.5 V; a capacitor of 104 or larger must be connected between VDD and GND, routed as short as possible to the VDD and VSS pins.
5 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer PinTeng
Package DFN-4-EP(1x1)
Category Sensors
Pins 5

CAD (KiCad official)

  • Symbol: PT2043AD4
  • Footprint: Package_DFN_QFN:UDFN-4-1EP_1x1mm_P0.65mm_EP0.48x0.48mm
  • 3D model: DFN-4-EP(1x1) (KiCad packages3D, STEP)
  • 3D model files: pt2043ad4-etched.step / pt2043ad4-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pt2043ad4.step / pt2043ad4.glb are the bare package body.

Provenance

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

  • Datasheet: PinTeng datasheet (12 pp, sha256 541807476501d587, retrieved 2026-10-09, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (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