TCAN1044DRQ1

@@ -0,0 +1,53 @@+# TCAN1044DRQ1++**Texas Instruments** · CAN ICs · SOIC-8++TCAN1044DRQ1 from Texas Instruments, in a SOIC-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 | CAN transmit data input from the CAN controller/MCU. Internal pull-up to VCC (or VIO on devices with VIO). Drives the CAN bus low (dominant) when logic low. |+| 2 | GND | power_in | Device ground connection (0 V reference). |+| 3 | VCC | power_in | 5-V main supply voltage for the CAN transceiver. Recommended operating range 4.5 V to 5.5 V (nom 5 V). |+| 4 | RXD | output | CAN receive data output to the CAN controller/MCU. High-impedance (tri-state) when unpowered. Output high/low current rated ±2 mA. |+| 5 | NC/VIO | unconnected | On the TCAN1044-Q1 (no VIO): No Connect, not internally bonded. On the TCAN1044V-Q1 variant: VIO supply (1.7 V to 5.5 V) for the digital I/O level shifter of TXD/RXD/STB. The TCAN1044DRQ1 orderable is the non-VIO device; treat this pin as NC. |+| 6 | CANL | bidirectional | Low-level CAN bus I/O line. Connects to the CAN bus with CANH through a 60 Ω termination network. Tolerates ±58 V bus fault voltage. |+| 7 | CANH | bidirectional | High-level CAN bus I/O line. Connects to the CAN bus with CANL through a 60 Ω termination network. Tolerates ±58 V bus fault voltage. |+| 8 | STB | input | Standby mode control input with integrated pull-up. High = low-power standby mode with bus wake-up support; low = normal (active) mode. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Comm/UART |+| Pins | 8 |++## Ordering variants++Same part, different packaging or reel option.++- `TCAN1044DRQ1`+- `TCAN1044DRQ1D`+- `TCAN1044DRQ1DDF`+- `TCAN1044DRQ1DRB`++## CAD (KiCad official)++- Symbol: `TCAN1044DRQ1`+- 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](docs/tcan1044drq1-datasheet.pdf) (43 pp, sha256 `77637416f54d9655`, 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/tcan1044drq1-datasheet.pdf)

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