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XW09B

Public Made by Adom

by adom

Sam wing Touch Sensors, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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XW09B

Sam wing · Touch Sensors · SOP-16

XW09B from Sam wing, in a SOP-16. 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 GND power_in Power ground (电源地) for the device.
2 C1 passive Internal balance capacitor interface; the datasheet gives a 1 nF to 10 nF range and recommends 4.7 nF, with the capacitor placed close to the IC.
3 CSEL passive Sensitivity-setting capacitor interface; the stated range is 0 to 100 pF, and a smaller capacitance gives higher sensitivity.
4 PAD0 input Capacitive touch sense pad 0; leave the pin floating when unused, and it has the highest priority in AO mode.
5 PAD1 input Capacitive touch sense pad 1; leave the pin floating when unused.
6 PAD2 input Capacitive touch sense pad 2; leave the pin floating when unused.
7 PAD3 input Capacitive touch sense pad 3; leave the pin floating when unused.
8 PAD4 input Capacitive touch sense pad 4; leave the pin floating when unused.
9 PAD5 input Capacitive touch sense pad 5; leave the pin floating when unused.
10 PAD6 input Capacitive touch sense pad 6; leave the pin floating when unused.
11 PAD7 input Capacitive touch sense pad 7; leave the pin floating when unused.
12 PAD8 input Capacitive touch sense pad 8; leave the pin floating when unused, and it has the lowest priority in AO mode.
13 INT output Key-active output, open-drain (OD) type.
14 AO output Analog voltage output that equals VDD with no key pressed and 5/16 VDD (PAD0) to 13/16 VDD (PAD8) for a single pressed key.
15 BUZZ output Buzzer drive output with a 2.7 kHz square wave that can drive a buzzer directly, with a stated source current of 30 mA at VDD = 5.0 V.
16 VDD power_in Positive supply; operating range 2.5 V to 5.5 V, with an absolute maximum rating of -0.3 V to 6.0 V.

Key specifications

Parameter Value
Manufacturer Sam wing
Package SOP-16
Category Sensors
Pins 16

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
VDD voltage (absolute maximum) VDD -0.3 6 V 3
Input/output voltage (absolute maximum) -0.3 6 V 3
Operating temperature range -40 85 ℃ 3
Storage temperature range (absolute maximum) -55 150 ℃ 3
ESD, HUM 8000 V 3
Operating voltage VDD 2.5 5.5 V 3
Analog voltage output internal resistance Z_AO 20 25 30 kΩ 3
Sensitivity capacitance (CSEL) CSEL 0 100 pF 3
Internal balance capacitor C1 value range (recommended) C1 1 10 nF 2
C1 and CSEL capacitor precision (recommended NPO) -10 10 % 4

CAD (KiCad official)

  • Symbol: XW09B
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOP-16 (KiCad packages3D, STEP)
  • 3D model files: xw09b-etched.step / xw09b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); xw09b.step / xw09b.glb are the bare package body.

Provenance

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

  • Datasheet: Sam wing datasheet (5 pp, sha256 6bec746c086f3595, retrieved 2026-10-19, 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