Overview
The TLK100PHPR, produced by Texas Instruments, is a single-port Ethernet Physical Layer (PHY) transceiver designed for industrial and embedded applications. It supports both 10Base-T and 100Base-TX signaling, integrating all the necessary physical-layer functions to transmit and receive data over standard twisted-pair cables. The device is compatible with the Media Independent Interface (MII) for direct connection to a Media Access Controller (MAC).
The TLK100PHPR is notable for its power-supply flexibility, operating with a single 3.3V power supply or combinations of 3.3V, 1.8V, and 1.1V power supplies for reduced power operation. It features mixed-signal processing for equalization, data recovery, and error correction, ensuring robust operation over CAT 5 twisted-pair wiring while meeting IEEE 802.3 standards.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Operating Temperature | –40°C to 85°C | Industrial temperature range |
| Power Consumption | < 200mW Typical | Low power consumption |
| MAC Interface | 3.3V | Voltage level for MAC interface |
| Auto-MDIX | Supported for 10/100 Mb/s | Automatic medium-dependent interface crossover |
| Cable Diagnostics | Supported | Diagnostic capabilities for cable issues |
| Error-Free Operation | Up to 200 meters under typical conditions | Distance over which error-free operation is guaranteed |
| Clock Output | 25 MHz | Clock output frequency |
| Management Interface | MII Serial Management Interface (MDC and MDIO) | Interface for serial management |
| IEEE Standards | IEEE 802.3u MII, Auto-Negotiation, Parallel Detection, ENDEC, 10BASE-T Transceivers and Filters, 100BASE-TX Transceivers | Compliance with IEEE standards |
| Bus I/O Protection | ±16kV JEDEC HBM | Electrostatic discharge protection |
| Package | 48-pin TQFP (7mm × 7mm) | Package type and dimensions |
Key Features
- Low Power Consumption: Less than 200mW typical, making it energy-efficient.
- Cable Diagnostics: Capabilities for diagnosing cable issues.
- Error-Free Operation: Ensures error-free data transmission up to 200 meters under typical conditions.
- Auto-MDIX: Automatic medium-dependent interface crossover for 10/100 Mb/s.
- Energy Detection Mode: Supports energy detection mode.
- 25 MHz Clock Out: Provides a 25 MHz clock output for system use.
- MII Serial Management Interface: Includes MDC and MDIO for serial management.
- IEEE 1588 Time-Stamping: Enables IEEE 1588 time-stamping for precise timing.
- IEEE 1149.1 JTAG: Supports JTAG interface for testing.
- Programmable LED Support: Programmable LEDs for link, activity, and collision detection.
- 10/100 Mb/s Packet BIST: Built-in self-test for packet integrity.
Applications
- Industrial Controls and Factory Automation: Suitable for industrial environments due to its robust design and temperature range.
- General Embedded Applications: Can be used in various embedded systems requiring Ethernet connectivity.
Q & A
- What is the operating temperature range of the TLK100PHPR?
The operating temperature range is from –40°C to 85°C.
- What is the typical power consumption of the TLK100PHPR?
The typical power consumption is less than 200mW.
- Does the TLK100PHPR support Auto-MDIX?
- What is the maximum distance for error-free operation of the TLK100PHPR?
Error-free operation is guaranteed up to 200 meters under typical conditions.
- What is the frequency of the clock output provided by the TLK100PHPR?
The clock output frequency is 25 MHz.
- What management interface does the TLK100PHPR support?
The TLK100PHPR supports the MII Serial Management Interface (MDC and MDIO).
- Is the TLK100PHPR compliant with IEEE standards?
- What is the package type and dimensions of the TLK100PHPR?
The package type is a 48-pin TQFP with dimensions of 7mm × 7mm.
- Does the TLK100PHPR support IEEE 1588 time-stamping?
- What testing interface does the TLK100PHPR support?
The TLK100PHPR supports the IEEE 1149.1 JTAG interface.
