JSM8223

@@ -0,0 +1,42 @@+# JSM8223++**JSMSEMI** · Touch Sensors · SOT-23-6++JSM8223 from JSMSEMI, in a SOT-23-6. 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 | OUT | output | Touch response output. Polarity is selected by the OLH pin (OLH=0 -> active-high on touch, OLH=1 -> active-low). Behaviour vs. TCH follows either sync mode or hold/toggle mode based on the HLD pin. High-level output current spec: IOL >= 2 mA (typ 4 mA) at VOL=0.7 V. |+| 2 | GND | power_in | Ground reference for the IC. All voltages in the datasheet are referenced to GND. |+| 3 | TCH | input | Capacitive touch sense input. Connects to the external TOUCH PAD electrode. An optional tuning capacitor Cj (0-75 pF) to GND on this node reduces sensitivity; PCB trace length and pad geometry also affect sensitivity. Route away from fast-switching signals and surround with a GND guard. |+| 4 | OLH | input | Output-polarity select. Internally pulled low (default = active-high output). OLH=0: OUT drives high when touch is detected. OLH=1: OUT drives low when touch is detected. Input pull resistor RUP typ 100 kOhm (50-200 kOhm). |+| 5 | VDD | power_in | Positive supply, 2.0-5.5 V (typ 3.0 V). Bypass with >=10 uF between VDD and GND to suppress noise; supply must be stable, otherwise sensitivity drift or false detection can occur. Quiescent current ~1.5 uA typ at 3 V, SLS=1, FST=0. |+| 6 | HLD | input | Hold/Sync mode select. Internally pulled low (default = sync mode). HLD=0 (sync): OUT tracks touch presence (active only while TCH is touched). HLD=1 (hold/toggle): each touch toggles OUT and the state is latched between touches. Input pull resistor RUP typ 100 kOhm. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | JSMSEMI |+| Package | SOT-23-6 |+| Category | Sensor |+| Pins | 6 |++## CAD (KiCad official)++- Symbol: `JSM8223`+- Footprint: `Package_TO_SOT_SMD:SOT-23-6`+- 3D model: SOT-23-6 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [JSMSEMI datasheet](docs/jsm8223-datasheet.pdf) (5 pp, sha256 `0cadbb58ba37d47e`, retrieved 2026-08-17, 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:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/jsm8223-datasheet.pdf)

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