Overview
The Texas Instruments DP83TG720S-Q1 is an IEEE 802.3bp and Open Alliance compliant automotive Ethernet physical layer transceiver. This device is designed to provide all the necessary physical layer functions for transmitting and receiving data over unshielded or shielded single twisted-pair cables. It supports both RGMII and SGMII MAC interfaces, making it versatile for various automotive applications. The DP83TG720S-Q1 is also pin-compatible with TI's 100BASE-T1 PHY, allowing for design scalability with a single board for both 100BASE-T1 and 1000BASE-T1 speeds with the required BOM changes.
Key Specifications
| Specification | Description |
|---|---|
| Compliance | IEEE 802.3bp 1000BASE-T1, Open Alliance TC12 Interoperability and EMC compliant |
| MAC Interfaces | RGMII and SGMII |
| I/O Voltages | 3.3 V, 2.5 V, and 1.8 V |
| Package Type | VQFN, wettable flank packaging |
| Operating Temperature | –40°C to +125°C (temperature grade 1) |
| ESD Protection | IEC61000-4-2 ESD: ±8 kV contact discharge |
| Power Savings Features | Standby, sleep, local and remote wake-up |
| Clock Output | 25 MHz clock output source |
| Qualification | AEC-Q100 Qualified |
Key Features
- Integrated LPF on MDI pins
- Diagnostic tool kit with high accuracy temperature monitor, voltage monitor, ESD event monitor, data throughput calculator, and link quality monitoring
- Cable open and short fault detection and loopback modes
- Data generator and checker tool for customizable MAC packets and error checking
- Real-time monitoring through programmable interrupt for ESD events
- Single board design compatibility with TI's 100BASE-T1 PHY
Applications
- Telematics control unit (TCU, TBOX)
- Gateway and Body Control Module (BCM)
- Advanced Driver Assistance Systems (ADAS): LIDAR, RADAR, Front Camera
Q & A
- What is the DP83TG720S-Q1 compliant with?
The DP83TG720S-Q1 is compliant with IEEE 802.3bp 1000BASE-T1 and Open Alliance TC12 Interoperability and EMC specifications.
- What MAC interfaces does the DP83TG720S-Q1 support?
The DP83TG720S-Q1 supports both RGMII and SGMII MAC interfaces.
- What are the supported I/O voltages for the DP83TG720S-Q1?
The supported I/O voltages are 3.3 V, 2.5 V, and 1.8 V.
- What is the operating temperature range of the DP83TG720S-Q1?
The operating temperature range is –40°C to +125°C (temperature grade 1).
- Does the DP83TG720S-Q1 have ESD protection?
Yes, it has inbuilt ESD protection with IEC61000-4-2 ESD: ±8 kV contact discharge.
- What power savings features does the DP83TG720S-Q1 offer?
The device offers standby, sleep, local, and remote wake-up features.
- What is the clock output frequency of the DP83TG720S-Q1?
The clock output frequency is 25 MHz.
- Is the DP83TG720S-Q1 AEC-Q100 Qualified?
Yes, the DP83TG720S-Q1 is AEC-Q100 Qualified.
- What diagnostic tools are available in the DP83TG720S-Q1?
The device includes a diagnostic tool kit with features such as high accuracy temperature monitor, voltage monitor, ESD event monitor, data throughput calculator, and link quality monitoring.
- Can the DP83TG720S-Q1 detect cable faults?
Yes, it can detect cable open and short faults.
