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TCAN1145DRQ1

Public Made by Adom

by adom

Texas Instruments CAN ICs, SOIC-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

componentcomm-uarttcan1145drq1
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Generated by kicad-footprint-generator · KiCad file format 20260206
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docs tcan1145drq1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
viewers tcan1145drq1: viewers · Ray 29d ago
package.json Publish 0.1.0 · Ray 29d ago
page.json tcan1145drq1: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 21h ago
README.md tcan1145drq1: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 16d ago
tcan1145drq1-etched.fit.json tcan1145drq1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
tcan1145drq1-etched.glb tcan1145drq1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
tcan1145drq1-etched.step tcan1145drq1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
tcan1145drq1.glb Publish 0.1.0 · Ray 29d ago
tcan1145drq1.kicad_mod Publish 0.1.0 · Ray 29d ago
tcan1145drq1.kicad_sym Publish 0.1.0 · Ray 29d ago
tcan1145drq1.lbr Publish 0.1.0 · Ray 29d ago
tcan1145drq1.step Publish 0.1.0 · Ray 29d ago

TCAN1145DRQ1

Texas Instruments · CAN ICs · SOIC-14

TCAN1145DRQ1 from Texas Instruments, in a SOIC-14. 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 a dominant bus state; high (or floating with internal pull-up) leaves the bus recessive.
2 GND power_in Ground return. The exposed thermal pad on the DMT (VSON) variant must also be soldered to GND.
3 VCC power_in 5V supply for the CAN bus transceiver core. Nominal 4.5V-5.5V per recommended operating conditions.
4 RXD output CAN receive data output to the MCU. Tri-state; low = dominant bus, high = recessive bus.
5 VIO power_in Digital I/O rail for level shifting to the MCU. Supports 1.8V-5V to match the host processor's I/O voltage.
6 nINT/SDO output Muxed digital output. Acts as SPI serial-data-out (SDO) while nCS is low; becomes the active-low interrupt (nINT) output when nCS is high.
7 INH/LIMP output High-voltage inhibit output used to enable/disable the system voltage regulator and power rails. On TCAN1144-Q1 and TCAN1146-Q1 this pin can be configured as a limp-home output; on TCAN1145-Q1 it functions as INH only.
8 SCLK input SPI serial clock input from the MCU. Clocks SDI in and SDO out on the appropriate edges.
9 WAKE input High-voltage local wake-up input. Edge on this pin wakes the device from sleep. Absolute voltage range −18V to +42V.
10 VSUP power_in High-voltage battery supply input. Feeds the INH and wake circuitry directly from the vehicle battery rail.
11 SDI input SPI serial data input from the MCU. Sampled on SCLK edges while nCS is asserted low.
12 CANL bidirectional Low-side CAN bus I/O. Driven low in the dominant state and biased to VCC/2 in the recessive state. ±58V bus fault protection.
13 CANH bidirectional High-side CAN bus I/O. Driven high in the dominant state and biased to VCC/2 in the recessive state. ±58V bus fault protection.
14 nCS input Active-low SPI chip-select input from the MCU. Enables SPI transactions and selects the nINT/SDO pin function.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-14
Category Comm/UART
Pins 14

Ordering variants

Same part, different packaging or reel option.

  • TCAN1145DRQ1D
  • TCAN1145DRQ1
  • TCAN1145DRQ1DMT
  • TCAN1145DRQ1DYY

CAD (KiCad official)

  • Symbol: TCAN1145DRQ1
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: tcan1145drq1-etched.step / tcan1145drq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tcan1145drq1.step / tcan1145drq1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (116 pp, sha256 276a9067cc1d77a4, 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