TJA1050T-JSM

@@ -0,0 +1,47 @@+# TJA1050T-JSM++**JSMSEMI** · CAN ICs · SOP-8++TJA1050T-JSM from JSMSEMI, in a SOP-8. 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 | TXD | input | Transmit data input from the CAN controller. TXD high drives the CAN bus into the recessive state; TXD low drives the bus into the dominant state. VIH ≥ 2.0 V, VIL ≤ 0.8 V at VCC = 5 V. |+| 2 | GND | power_in | Ground reference for the device. |+| 3 | VCC | power_in | Supply voltage input. Recommended VCC = 4.5 V to 5.5 V (typ. 5 V); absolute maximum +6 V. Typical supply current 25 mA dominant, 3 mA recessive. |+| 4 | RXD | output | Receive data output to the CAN controller. RXD is high when the CAN bus is in the recessive state and low when the bus is in the dominant state. IOH = -6 mA typ. at VRXD = 0.7·VCC; IOL = 8.5 mA typ. at VRXD = 0.45 V. |+| 5 | Vref | output | Reference voltage output, nominally 0.5·VCC (typ. 2.5 V at VCC = 5 V). Output valid over -50 µA ≤ IVref ≤ +50 µA. |+| 6 | CANL | bidirectional | Low-level CAN bus line. Recessive typ. 2.5 V, dominant typ. 1.4 V. Withstands DC bus voltages from -58 V to +58 V and transients of ±200 V per ISO 7637. Common-mode input impedance 15-35 kΩ. |+| 7 | CANH | bidirectional | High-level CAN bus line. Recessive typ. 2.5 V, dominant typ. 3.4 V. Withstands DC bus voltages from -58 V to +58 V and transients of ±200 V per ISO 7637. Common-mode input impedance 15-35 kΩ. |+| 8 | S | input | Mode select input: low = high-speed mode, high = silent (standby) mode. VIH ≥ 2.0 V, VIL ≤ 0.8 V at VCC = 5 V; internal pull-down/-up currents 15-50 µA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | JSMSEMI |+| Package | SOP-8 |+| Category | Comm/UART |+| Pins | 8 |++## Ordering variants++- `TJA1050T-JSMT`++## CAD (KiCad official)++- Symbol: `TJA1050T-JSM`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [JSMSEMI datasheet](docs/tja1050t-jsm-datasheet.pdf) (12 pp, sha256 `8ca877b5cca3811c`, retrieved 2026-08-17, tier: lcsc)+- **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/tja1050t-jsm-datasheet.pdf)

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