TLK105LRHBT
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Texas Instruments TLK105LRHBT

Manufacturer No:
TLK105LRHBT
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC TRANSCEIVER HALF 1/1 32VQFN
Delivery:
Payment:
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iso45001
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Product Introduction

Overview

The TLK105LRHBT, produced by Texas Instruments, is a single-port Ethernet Physical Layer (PHY) transceiver designed for industrial temperature applications. It supports both 10Base-T and 100Base-TX signaling, integrating all the physical-layer functions necessary for transmitting and receiving data over standard twisted-pair cables. The device is compatible with the Media Independent Interface (MII) and Reduced Media Independent Interface (RMII), allowing direct connection to a Media Access Controller (MAC). It is notable for its low-power consumption, power-supply flexibility, and robust operation over CAT 5 twisted-pair wiring, adhering to IEEE 802.3 standards with high margins against cross-talk and alien noise.

Key Specifications

Parameter Value Unit
Power Consumption (Single Supply) < 205 mW (PHY), 275 mW (With Center Tap) mW
Power Consumption (Dual Supplies) < 126 mW (PHY), 200 mW (With Center Tap) mW
Supply Voltage 3.0 - 3.6 V
I/O Voltage Range 3.3V, 2.5V, 1.8V V
Maximum Die Temperature 125 °C
Storage Temperature -65 to 150 °C
Package Type 32-pin VQFN (5 mm x 5 mm)
ESD Protection 16 kV (HBM) kV

Key Features

  • Low-power consumption with programmable power back off to reduce PHY power up to 20% in systems with shorter cables.
  • IEEE 1588 SFD indication for time stamping by a controller or processor.
  • Low deterministic latency supporting IEEE 1588 implementation.
  • Cable diagnostics and programmable fast link down modes with <10 µs reaction time.
  • Variable I/O voltage range: 3.3V, 2.5V, 1.8V.
  • Auto-MDIX for 10/100 Mbps, energy detection mode, and MII/RMII capabilities.
  • Error-free 100Base-T operation up to 150 meters and 10Base-T operation up to 300 meters under typical conditions.
  • Serial management interface, IEEE 802.3u auto-negotiation, and parallel detection.
  • Integrated ANSI X3.263 compliant TP-PMD physical sublayer with adaptive equalization and baseline wander compensation.
  • Programmable LED support for link and activity indication.
  • 10/100 Mbps packet built-in self-test (BIST).

Applications

  • Industrial networks and factory automation.
  • Motor and motion control systems.
  • General embedded applications requiring robust Ethernet connectivity.

Q & A

  1. What is the TLK105LRHBT?

    The TLK105LRHBT is a single-port Ethernet Physical Layer (PHY) transceiver produced by Texas Instruments, designed for industrial temperature applications.

  2. What are the supported Ethernet signaling standards?

    The device supports both 10Base-T and 100Base-TX signaling.

  3. What are the power consumption characteristics?

    The device consumes less than 205 mW (PHY) and 275 mW (with center tap) with a single supply, and less than 126 mW (PHY) and 200 mW (with center tap) with dual supplies.

  4. What is the I/O voltage range of the TLK105LRHBT?

    The I/O voltage range is 3.3V, 2.5V, and 1.8V.

  5. Does the TLK105LRHBT support IEEE 1588?

    Yes, it supports IEEE 1588 with SFD indication for time stamping and low deterministic latency.

  6. What is the maximum cable length for error-free operation?

    Error-free operation is supported up to 150 meters for 100Base-T and up to 300 meters for 10Base-T.

  7. What interfaces does the TLK105LRHBT support?

    The device supports MII and RMII interfaces for connection to a Media Access Controller (MAC).

  8. Does the TLK105LRHBT have built-in diagnostic features?

    Yes, it includes cable diagnostics and programmable fast link down modes.

  9. What is the package type of the TLK105LRHBT?

    The device is packaged in a 32-pin VQFN (5 mm x 5 mm).

  10. What level of ESD protection does the TLK105LRHBT offer?

    The device offers 16 kV HBM ESD protection on RD± and TD± pins.

Product Attributes

Type:Transceiver
Protocol:MII, RMII
Number of Drivers/Receivers:1/1
Duplex:Half
Receiver Hysteresis:- 
Data Rate:- 
Voltage - Supply:3V ~ 3.6V
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:32-VFQFN Exposed Pad
Supplier Device Package:32-VQFN (5x5)
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Similar Products

Part Number TLK105LRHBT TLK105RHBT TLK106LRHBT TLK105LRHBR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Not For New Designs Not For New Designs Not For New Designs Not For New Designs
Type Transceiver Transceiver Transceiver Transceiver
Protocol MII, RMII MII, RMII MII, RMII MII, RMII
Number of Drivers/Receivers 1/1 1/1 1/1 1/1
Duplex Half Half - Half
Receiver Hysteresis - - - -
Data Rate - - - -
Voltage - Supply 3V ~ 3.6V 3V ~ 3.6V 3V ~ 3.6V 3V ~ 3.6V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 105°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad
Supplier Device Package 32-VQFN (5x5) 32-VQFN (5x5) 32-VQFN (5x5) 32-VQFN (5x5)

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