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TCAN1043HDQ1

Texas Instruments · CAN Transceivers · SOIC-14

TCAN1043HDQ1 from Texas Instruments, in a SOIC-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	TXD	input	CAN transmit data input, low for dominant and high for recessive bus states.
2	GND	power_in	Ground connection.
3	VCC	power_in	5 V CAN bus supply voltage; the absolute maximum rating is -0.3 V to 7 V (page 5).
4	RXD	tri_state	CAN receive data output, low for dominant and high for recessive bus states, with tri-state capability.
5	VIO	power_in	I/O supply voltage for logic level shifting, rated -0.3 V to 7 V absolute maximum (page 5) and 2.8 V to 5.5 V in the features list (page 1).
6	EN	input	Enable input for mode control, with an integrated pull-down.
7	INH	output	High-voltage output that can be used to control system voltage regulators; absolute maximum INH pin voltage for H versions is -0.3 V to 70 V (page 5).
8	nFAULT	output	Fault output with inverted logic; logic output current is limited to 8 mA absolute maximum (page 5).
9	WAKE	input	High-voltage wake input terminal; for H versions the WAKE pin voltage range is -0.3 V to 70 V (page 5).
10	VSUP	power_in	Reverse-blocked battery supply input; absolute maximum battery supply voltage is 70 V for H versions (page 5).
11	NC	unconnected	No connect, not internally connected.
12	CANL	bidirectional	Low-level CAN bus input/output line; the CAN bus I/O voltage range for H versions is -70 V to 70 V (page 5).
13	CANH	bidirectional	High-level CAN bus input/output line; the CAN bus I/O voltage range for H versions is -70 V to 70 V (page 5).
14	nSTB	input	Standby input for mode control, with an integrated pull-down.

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	SOIC-14
Category	Interface
Pins	14

CAD (KiCad official)

Symbol: TCAN1043HDQ1
Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
3D model: SOIC-14 (KiCad packages3D, STEP)
3D model files: tcan1043hdq1-etched.step / tcan1043hdq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tcan1043hdq1.step / tcan1043hdq1.glb are the bare package body.

Provenance

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

Datasheet: Texas Instruments datasheet (54 pp, sha256 f7c56d0516477720, retrieved 2026-10-08, 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: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF