Overview
The DP83TC811S-Q1 is an IEEE 802.3bw-compliant automotive PHYTER™ Ethernet physical layer transceiver produced by Texas Instruments. This device is designed to provide all the physical layer functions necessary for transmitting and receiving data over unshielded single twisted-pair cables. It is AEC-Q100 qualified for automotive applications, ensuring it meets the stringent requirements for automotive environments. The DP83TC811S-Q1 supports various MAC interfaces including MII, RMII, RGMII, and SGMII, and is housed in a 36-pin VQFN wettable flank package.
Key Specifications
| Parameter | Min | |||
|---|---|---|---|---|
| Operating Temperature | -40 | 125 | °C | |
| Core Supply Voltage (VDDA) | 2.97 | 3.3 | 3.63 | V |
| IO Supply Voltage (VDDIO) | 1.62 | 1.8 | 1.98 | V (for 1.8V operation) |
| IO Supply Voltage (VDDIO) | 2.25 | 2.5 | 2.75 | V (for 2.5V operation) |
| IO Supply Voltage (VDDIO) | 2.97 | 3.3 | 3.63 | V (for 3.3V operation) |
| Active Power Consumption (MII) | 65-110 | mA | ||
| Standby Power Consumption (MII) | 20-55 | mA | ||
| Package Type | 36-pin VQFN |
Key Features
- IEEE 802.3bw compliant and OPEN Alliance qualified, interoperable with BroadR-Reach and 100BASE-T1 PHYs
- AEC-Q100 qualified for automotive applications with an operating temperature range of -40°C to +125°C
- Support for MII, RMII, RGMII, and SGMII MAC interfaces
- Low active power operation: < 230 mW
- Configurable I/O voltages: 3.3 V, 2.5 V, and 1.8 V
- Power savings features: Sleep, Standby, and Disable modes, Wake-on-LAN (WoL)
- Diagnostic Tool Kit with real-time monitoring tools, debug tools, and test modes
- Signal Quality Indication (SQI), Time Domain Reflectometry (TDR), Electrostatic Discharge Sensor, Voltage Sensor, Temperature Sensor, and PRBS Built-In Self-Test
- IEEE 1588 SFD support and low transmit and receive latency for AVB/TSN
Applications
- Backbone networks in automotive systems
- Gateway and body control modules
- Telematics systems
Q & A
- What is the DP83TC811S-Q1?
The DP83TC811S-Q1 is an IEEE 802.3bw-compliant automotive PHYTER™ Ethernet physical layer transceiver.
- What are the supported MAC interfaces?
The device supports MII, RMII, RGMII, and SGMII MAC interfaces.
- What is the operating temperature range of the DP83TC811S-Q1?
The operating temperature range is -40°C to +125°C.
- What power saving features does the DP83TC811S-Q1 have?
The device features Sleep, Standby, and Disable modes, as well as Wake-on-LAN (WoL).
- What diagnostic tools are included in the DP83TC811S-Q1?
The device includes a Diagnostic Tool Kit with real-time monitoring tools, debug tools, and test modes such as SQI, TDR, ESD sensor, voltage sensor, temperature sensor, and PRBS Built-In Self-Test.
- What is the package type of the DP83TC811S-Q1?
The device is housed in a 36-pin VQFN wettable flank package.
- Is the DP83TC811S-Q1 AEC-Q100 qualified?
Yes, the DP83TC811S-Q1 is AEC-Q100 qualified for automotive applications.
- What are the configurable I/O voltages for the DP83TC811S-Q1?
The I/O voltages can be configured to 3.3 V, 2.5 V, or 1.8 V.
- Does the DP83TC811S-Q1 support IEEE 1588 SFD?
Yes, the device supports IEEE 1588 SFD and has low transmit and receive latency for AVB/TSN.
- What are the typical applications of the DP83TC811S-Q1?
The device is typically used in backbone networks, gateway and body control modules, and telematics systems in automotive applications.
