TJA1101/TJA1101B: Robust, Low Power 100BASE-T1 PHY Transceiver

TJA1101

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TJA1101B is the revision of the successful TJA1101A. The high performance, single port automotive Ethernet PHY is compliant to IEEE 100BASE-T1. The device is passing all state of the art conformance test specs, including OPEN Alliance EMC Spec 2.0

  • Designed according to ISO26262, it meets ASIL-A to ease the design of safe vehicles
  • Being designed and fully qualified for automotive applications, the TJA1101B offers 100Mbit/s transmit and receive capability over up to at least 15m of unshielded twisted pair (UTP) cable
  • The highly integrated device is robust by design, saving external filter and ESD protection components in the MDI path
  • Future proof by enabling fully OPEN Alliance TC-10 compliant sleep and wakeup forwarding over the data line, it saves wire cost and weight by replacing dedicated wake-up lines

製品詳細

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TJA1101B

TJA1101B Block Diagram
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Features

Automotive Qualified

  • AEC-Q100 Grade 1
  • Ambient Temperature -40°C to 125°C

IEEE 100BASE-T1 Compliant PHY Transceiver

  • Interoperable with any IEEE 100BASE-T1 and OABR compliant PHY
  • 100Mbps Ethernet over single unshielded twisted pair (UTP) cable
  • ESD robust MDI:
    • Passes IEC62228-5 Class IV
    • Protected against +/- 8kV according to IEC61000-4-2

OPEN Alliance TC-10 Compliant Sleep / Wake Up

  • Sleep and wake-up forwarding over data line
  • For reduced cable cost and weight
  • With direct connection to Vbat for simplified power management

ISO26262 ASIL-A

  • Safety manual available to support system level safety goals

Optimized for Automotive Use Cases

  • MDI pins do not need an external filter or ESD protection
  • Cable polarity detection and auto-correction
  • Supports single 3.3V supply
  • Direct connection to Vbat

Advanced Diagnostic Features

  • Real-time Signal Quality Indicator
  • Gap Free Under Voltage Detection
  • Diagnosis of Cabling Errors

HVQFN36 (6mm x 6mm) with Wettable Flanks

  • Small PCB footprint enabled for AOI

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The TJA1101 is included in the 15-year program.

SafeAssure Program

SafeAssure Functional Safety Program

When it comes to functional safety, NXP stands for quality and reliability. Our SafeAssure program simplifies system-level safety requirements in accordance with ISO 26262.
Read more

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