TCAN1042HDRQ1

@@ -0,0 +1,64 @@+# TCAN1042HDRQ1++**Texas Instruments** · CAN ICs · SOIC-8++TCAN1042HDRQ1 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 MCU. LOW drives the bus dominant, HIGH allows recessive. Logic input threshold referenced to VCC (5 V) on this non-'V' variant. Internally pulled to VCC. |+| 2 | GND | power_in | Device ground reference. All voltages in the datasheet are with respect to this pin. |+| 3 | VCC | power_in | Transceiver 5-V supply voltage (4.5 V to 5.5 V recommended). Provides power for the CAN driver and, on non-'V' variants, also for the logic-side level references. Decouple locally with a ceramic capacitor to GND. |+| 4 | RXD | output | CAN receive data output to the MCU. LOW when the bus is dominant, HIGH when the bus is recessive. Push-pull CMOS output referenced to VCC on this non-'V' variant. |+| 5 | NC | unconnected | No Connect on Base/H/G/HG variants. Leave floating or tie to GND. On 'V'-suffix devices this pin becomes VIO (I/O level-shift supply); this MPN (H suffix, no V) does not use VIO. |+| 6 | CANL | bidirectional | Low-level CAN bus I/O. Driven low in dominant state, high-impedance biased near VCC/2 in recessive. Withstands ±70 V bus fault on this H-variant and ±15 kV IEC ESD. |+| 7 | CANH | bidirectional | High-level CAN bus I/O. Driven high in dominant state, high-impedance biased near VCC/2 in recessive. Withstands ±70 V bus fault on this H-variant and ±15 kV IEC ESD. |+| 8 | STB | input | Standby mode control input, active HIGH. Drive LOW for normal operation; drive HIGH to enter low-power standby with remote wake-up capability. Internally pulled to VCC. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Comm/UART |+| Pins | 8 |++## Ordering variants++- `TCAN1042HDRQ1HDRQ1`+- `TCAN1042HDRQ1HDR`+- `TCAN1042HDRQ1DR`+- `TCAN1042HDRQ1GDR`+- `TCAN1042HDRQ1HGDR`+- `TCAN1042HDRQ1HDRBRQ1`+- `TCAN1042HDRQ1DRBR`+- `TCAN1042HDRQ1GDRBR`+- `TCAN1042HDRQ1HGDRBR`+- `TCAN1042HDRQ1VDR`+- `TCAN1042HDRQ1HVDR`+- `TCAN1042HDRQ1GVDR`+- `TCAN1042HDRQ1HGVDR`+- `TCAN1042HDRQ1VDRBR`+- `TCAN1042HDRQ1HVDRBR`+- `TCAN1042HDRQ1GVDRBR`+- `TCAN1042HDRQ1HGVDRBR`++## CAD (KiCad official)++- Symbol: `TCAN1042HDRQ1`+- 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/tcan1042hdrq1-datasheet.pdf) (41 pp, sha256 `3b66c68542cea6ea`, 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/tcan1042hdrq1-datasheet.pdf)

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