TJA1050TM

@@ -0,0 +1,48 @@+# TJA1050TM++**HGSEMI** · CAN Transceivers · SOP-8++TJA1050TM from HGSEMI, 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 bus to recessive; TXD low drives the bus to dominant. Input thresholds referenced to VCC=5V (VIH ≥ 2.0V, VIL ≤ 0.8V). A permanent low is protected by the dominant time-out (typ 500 µs). |+| 2 | GND | power_in | Ground / reference return for the device. |+| 3 | VCC | power_in | Supply voltage input, 4.5 V to 5.5 V (nominal 5 V, absolute max +6 V). Supply current 15-40 mA dominant, 2-5 mA recessive. |+| 4 | RXD | output | Receiver data output to the CAN controller. RXD is high when the bus is recessive and low when the bus is dominant. Output drive: IOH ≈ -6 mA at VRXD=0.7·VCC, IOL ≈ 8.5 mA at VRXD=0.45 V. |+| 5 | Vref | output | Reference voltage output, nominally VCC/2 (0.45·VCC to 0.55·VCC at |Iref| < 50 µA). Can be connected to the common-mode point of the termination network to stabilize bus common-mode voltage; may be left floating if unused. |+| 6 | CANL | bidirectional | Low-level CAN bus line. Tolerates -58 V to +58 V DC and ±200 V transients; ±12 kV HBM ESD. Recessive ≈ 2.5 V, dominant ≈ 1.4 V. Short-circuit current limited to ~70 mA typ. |+| 7 | CANH | bidirectional | High-level CAN bus line. Tolerates -58 V to +58 V DC and ±200 V transients; ±12 kV HBM ESD. Recessive ≈ 2.5 V, dominant ≈ 3.4 V. Short-circuit current limited to ~-70 mA typ. |+| 8 | S | input | Mode select input. Low = high-speed (normal) mode with driver and receiver active; High = silent (listen-only) mode with the CAN driver disabled while RXD continues to report bus data. Internal pull-down (typ 30 µA). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | SOP-8 |+| Category | Interface |+| Pins | 8 |++## Ordering variants++- `TJA1050TMTM/TR`++## CAD (KiCad official)++- Symbol: `TJA1050TM`+- 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:** [HGSEMI datasheet](docs/tja1050tm-datasheet.pdf) (15 pp, sha256 `3afe7f3736c188dd`, 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/tja1050tm-datasheet.pdf)

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