Overview
The TLE6251D, also available as TLE6251DST, is a high-speed CAN (Controller Area Network) transceiver designed by Infineon Technologies for automotive and industrial applications. It serves as an interface between the physical bus layer and the CAN protocol controller, driving signals to the bus and protecting the microcontroller from network-generated interferences. The TLE6251D is integrated into a RoHS compliant PG-DSO-8 package and complies with the ISO 11898-2 / -5 standards. It features low electromagnetic emission (EME) and high electromagnetic immunity (EMI), making it suitable for harsh automotive environments.
Key Specifications
| Parameter | Value | Unit | Remarks |
|---|---|---|---|
| Supply Voltage (VCC) | 4.75 - 5.25 | V | |
| Junction Temperature (Tj) | -40 to 150 | °C | |
| Current Consumption (ICC) - Recessive State | 6 - 10 | mA | VTxD = VCC |
| Current Consumption (ICC) - Dominant State | 45 - 70 | mA | VTxD = 0 V |
| Current Consumption (ICC,stb) - Stand-by Mode | 20 - 30 | µA | TxD = high |
| Receiver Output RxD HIGH Level Output Current | -4 to -2 | mA | VRD = 0.8 × VCC |
| Transmission Input TxD HIGH Level Input Voltage Threshold | 2.0 | V | Recessive state |
| Transmission Input TxD LOW Level Input Voltage Threshold | 0.8 | V | Dominant state |
| CAN Data Transmission Rate | Up to 1 Mbps | ||
| Electrostatic Discharge Voltage (VESD) | 6 kV (human body model) | CANH, CANL, SPLIT vs. GND |
Key Features
- Fully compliant to ISO 11898-2 / -5 standards
- Wide common mode range for electromagnetic immunity (EMI)
- Very low electromagnetic emission (EME)
- Excellent ESD immunity
- Extended supply range on VCC and VIO
- VIO input for voltage adaption to the microcontroller supply
- CAN short-circuit proof to ground, battery, and VCC
- TxD time-out function
- Low CAN bus leakage current in power-down state
- Overtemperature protection
- Protected against automotive transients
- Stand-by mode with remote wake-up function
- Wake-up detection by signal change on the RxD output
- Power Supply VCC can be turned off in stand-by mode
- Green Product (RoHS compliant)
- AEC Qualified
Applications
- Body Controller and Gateway ECU’s
- Dashboard, Instrument Cluster
- Car Audio and Navigation Systems, Infotainment
- Seat and Door Modules
- Gateway modules
- Body control modules (BCMs)
- Electric power steering
- Battery management systems
- Cluster and lighting control modules
Q & A
- What is the TLE6251D used for?
The TLE6251D is a transceiver designed for CAN networks in automotive and industrial applications, serving as an interface between the physical bus layer and the CAN protocol controller.
- What are the key standards the TLE6251D complies with?
The TLE6251D is fully compliant with ISO 11898-2 / -5 standards.
- What is the maximum data transmission rate of the TLE6251D?
The TLE6251D supports CAN data transmission rates up to 1 Mbps.
- What are the notable features of the TLE6251D in terms of power management?
The TLE6251D features low quiescent currents in stand-by mode, remote wake-up capability, and the ability to turn off the power supply VCC in stand-by mode.
- How does the TLE6251D protect against electromagnetic interference?
The TLE6251D provides a wide common mode range for electromagnetic immunity (EMI) and very low electromagnetic emission (EME).
- What kind of protection does the TLE6251D offer against automotive transients?
The TLE6251D is protected against automotive transients and has overtemperature protection.
- Is the TLE6251D environmentally friendly?
Yes, the TLE6251D is a Green Product and is RoHS compliant.
- What is the significance of the VIO input in the TLE6251D?
The VIO input allows for voltage adaption to the microcontroller supply.
- How does the TLE6251D handle short circuits?
The TLE6251D is CAN short-circuit proof to ground, battery, and VCC.
- What is the TxD time-out function in the TLE6251D?
The TxD time-out function is a fail-safe feature that prevents the transmitter from being stuck in a dominant state indefinitely.
