SN65HVD1050

@@ -0,0 +1,51 @@+# SN65HVD1050++**Texas Instruments** · CAN transceiver · SOIC-8++Physical-layer interface between a CAN controller and a two-wire CAN bus, meeting ISO 11898 at data rates up to 1 Mbps. TXD and RXD connect to the controller, CANH and CANL to the differential bus, and the S pin selects normal or a low-current standby mode. Bus pins survive +/-14 kV HBM ESD and wide common-mode swings, so it holds up in noisy automotive and industrial wiring. Runs from a single 5 V supply with a VREF output for the controller side.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | TXD | input | CAN transmit data input from local protocol controller. LOW drives the bus into the dominant state; HIGH releases it to the recessive state. A dominant time-out circuit disables the driver if TXD is held low longer than t(dom) (280-700 µs) to prevent bus lockup. |+| 2 | GND | power_in | Device ground reference. |+| 3 | VCC | power_in | Transceiver 5 V supply. Recommended operating range 4.5 V to 5.5 V; absolute max 7 V. Bypass locally per Power Supply Recommendations. |+| 4 | RXD | output | CAN receive data output to local protocol controller. LOW indicates a dominant bus state; HIGH indicates a recessive bus state. Push-pull CMOS output (VOH ≥ 3.8 V at -2 mA, VOL ≤ 0.4 V at 2 mA). |+| 5 | VREF | output | Reference output voltage nominally equal to VCC/2 (typ 2.3 V at VCC = 5 V). Available to stabilize the output common-mode voltage of external circuitry. |+| 6 | CANL | bidirectional | Low-level CAN bus line. Differential I/O pin driven low in the dominant state and biased to VCC/2 in the recessive state. Withstands -27 V to 40 V DC and ±200 V transients per ISO 7637. |+| 7 | CANH | bidirectional | High-level CAN bus line. Differential I/O pin driven high in the dominant state and biased to VCC/2 in the recessive state. Withstands -27 V to 40 V DC and ±200 V transients per ISO 7637. |+| 8 | S | input | Mode select pin. Logic LOW (tie to GND) selects high-speed normal mode; logic HIGH places the device into listen-only silent mode (driver off, receiver active). |++## Key specifications++| Parameter | Value |+|---|---|+| Type | CAN bus transceiver (ISO 11898) |+| Data rate | Up to 1 Mbps |+| Supply | 4.75-5.25 V |+| Common-mode range | -12 V to 12 V |+| Bus ESD | +/-14 kV HBM |+| Modes | Normal / standby (S pin) |+| Package | SOIC-8 |++## Ordering variants++- `SN65HVD1050D (SOIC-8, tube)`+- `SN65HVD1050DR (SOIC-8, tape & reel)`++## CAD (KiCad official)++- Symbol: `Interface_CAN_LIN:SN65HVD1050D (KiCad official)`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/sn65hvd1050.pdf) (34 pp, sha256 `41d9bb19199e2cb0`, retrieved 2026-08-17, tier: manufacturer)+- **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/sn65hvd1050-datasheet.pdf)

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