ISO1050 Isolated CAN Transceiver

@@ -0,0 +1,53 @@+# ISO1050++**Texas Instruments** · CAN Transceiver · SOIC-8++The ISO1050 is a galvanically isolated high-speed CAN transceiver that combines a CAN physical-layer driver/receiver with a silicon-dioxide isolation barrier. The barrier separates the controller side from the bus side, breaking ground loops and protecting the logic from bus faults and high common-mode voltages, common in industrial and automotive networks.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VCC1 | power_in | Digital-side supply voltage (3 V to 5.5 V). Powers the logic-side interface (RXD/TXD). |+| 2 | RXD | output | CAN receive data output: LOW for dominant bus state, HIGH for recessive bus state. Referenced to VCC1/GND1. |+| 3 | TXD | input | CAN transmit data input: LOW drives a dominant bus state, HIGH allows recessive. Contains an internal pull-up; the driver has a dominant time-out (TXD). |+| 4 | GND1 | power_in | Digital-side ground connection. Reference for VCC1 and the logic-side signals. |+| 5 | GND2 | power_in | Transceiver-side (bus-side) ground connection. Isolated from GND1 by the silicon-dioxide barrier. |+| 6 | CANL | bidirectional | Low-level CAN bus line. Driven low in dominant state, high-Z (biased near VCC2/2) in recessive. Common-mode range -12 V to 12 V, protected to -27 V to 40 V. |+| 7 | CANH | bidirectional | High-level CAN bus line. Driven high in dominant state, high-Z (biased near VCC2/2) in recessive. Common-mode range -12 V to 12 V, protected to -27 V to 40 V. |+| 8 | VCC2 | power_in | Transceiver-side supply voltage (5 V nominal, 4.5 V to 5.5 V). Powers the CAN bus driver/receiver. |++## Key specifications++| Parameter | Value |+|---|---|+| Type | Isolated high-speed CAN transceiver |+| Isolation | Galvanic (SiO2 barrier), 2500 Vrms |+| Data rate | Up to 1 Mbps |+| Supply voltage | 3.3 V or 5 V (both sides) |+| Bus pins | CANH / CANL |+| Standards | ISO 11898-2 |+| Operating temperature | -55 C to 105 C |++## Ordering variants++- `ISO1050DW`+- `ISO1050DWR`+- `ISO1050DUB`+- `ISO1050DUBR`++## CAD (KiCad official)++- Symbol: `iso1050.kicad_sym`+- Footprint: `iso1050.kicad_mod`+- 3D model: SOIC-8 body from KiCad `Package_SO/SOIC-8_3.9x4.9mm_P1.27mm`.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/iso1050.pdf) (42 pp, sha256 `e91f89be4f979392`, 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/iso1050-datasheet.pdf)

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