component

HX2551-S

Public Made by Adom

by adom

ZHHXDZ CAN Transceivers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HX2551-S

ZHHXDZ · CAN Transceivers · SOP-8

HX2551-S from ZHHXDZ, in a SOP-8. 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 Transmit data input from the CAN controller, with a VIH of 2V to VCC+0.3V and a VIL of -0.3V to 0.8V, and an internal pull-up to VCC that keeps the bus recessive when TXD is unpowered.
2 GND power_in Ground supply pin for the transceiver.
3 VCC power_in Supply voltage pin, operating at VCC = 5V ±10% (4.5V to 5.5V absolute maximum range).
4 RXD output Receive data output that reads out data from the bus lines to the CAN controller, with a VOH of 4V minimum and a VOL of 0.4V maximum at the stated test currents.
5 Vref power_in Common-mode stabilization output that holds the bus common-mode voltage between 0.3VCC and 0.7VCC for loads up to ±500µA.
6 CANL bidirectional LOW-level CAN bus line, rated for bus-side voltages from -60V to +60V and transient voltages of ±200V.
7 CANH bidirectional HIGH-level CAN bus line, rated for bus-side voltages from -60V to +60V and transient voltages of ±200V.
8 Rs input High-speed and standby mode selection pin, where low selects high-speed mode, and the MCU-side port is limited to -0.3V to VCC+0.3V.

Key specifications

Parameter Value
Manufacturer ZHHXDZ
Package SOP-8
Category Communication Interface Chip
Pins 8

CAD (KiCad official)

  • Symbol: HX2551-S
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: hx2551-s-etched.step / hx2551-s-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hx2551-s.step / hx2551-s.glb are the bare package body.

Provenance

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

  • Datasheet: ZHHXDZ datasheet (8 pp, sha256 34fe483a4aa6eaae, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus off (skipped (clean text read)), 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