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onsemi T30HM1TS2500 Auto Ethernet MAC-PHY Transceiver

onsemi T30HM1TS2500 Automotive Ethernet Transceiver is an IEEE 802.3cg and OPEN Alliance compliant Ethernet transceiver with an integrated Media Access Controller (MAC-PHY). This transceiver is capable of communicating with multiple nodes connected to a shared medium (UTP) at 10Mbps. The T30HM1TS2500 consists of CSMA/CD MAC and PHY with Physical Layer Collision Avoidance (PLCA), and uses SPI (with a clock up to 25MHz) as an interface to higher layers. onsemi T30HM1TS2500 transceiver is AEC-Q100 qualified for automotive applications and suitable for industrial applications.

Features

  • Supports half-duplex, multi-drop mode
  • Physical Layer Collision Avoidance (PLCA)
  • SPI interface (OPEN Alliance 10BASE-T1S MAC-PHY interface)
  • Topology discovery (TC14 compliant)
  • Sleep/Wake (TC10 compliant), local wake-up input, local wake forward, and inhibit output for voltage regulator control
  • Time stamping (TC6 compliant)
  • Capture and compare modules
  • Signal Quality Index (SQI)
  • Harness Defect Detection (HDD)
  • PLCA diagnostic
  • PLCA coordinator redundancy
  • Enhanced Noise Immunity (ENI)
  • VBAT (up to 48V) pin for inhibit and sleep mode power supply

Applications

  • Automotive
  • Industrial

Specifications

  • Compliant with IEEE 802.3cg 2019
  • 3.3V single supply operation possibility
  • -40°C to +150°C (TAMB_Class0)operating temperature range
  • Lead-free devices
  • MDI pins protected against
    • ±6kV ESD (HBM, IEC61000−4−2)
    • Transient pulses (ISO7637)

Block Diagram

Block Diagram - onsemi T30HM1TS2500 Auto Ethernet MAC-PHY Transceiver
Published: 2024-11-13 | Updated: 2026-04-14