TLE6251DSXT - 1Mbit/s CAN Transceiver | Infineon
MPN: TLE6251DSXT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.3681 | $0.37 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
TLE6251DSXT Overview
A CAN transceiver is an interface IC that converts logic-level TXD and RXD signals used by a CAN controller into the differential voltage used on a CAN bus, while converting received bus levels back into a controller-compatible signal. Within the hierarchy of CAN interface ICs, transceivers, network interfaces, and semiconductors, the device bridges digital controller logic and a robust differential physical layer.
The verified product information identifies a maximum signaling rate of 1 Mbaud, CAN TX/RX operation, standby capability, 5 V automotive supply context, and bus-wake-up functionality. These features suit conventional high-speed CAN networks in vehicle electronics, industrial automation, embedded control, and diagnostic systems. The monolithic PG-DSO-8 implementation also consolidates the bus interface into a compact surface-mount footprint.
TLE6251DSXT is the orderable suffix associated with the TLE6251DS device family. Because the suffix encodes ordering and packaging information, engineers should confirm the exact package, pin assignment, temperature grade, and tape orientation against the Infineon ordering information before releasing production artwork or a BOM. The verified sources do not provide every electrical limit or order-code detail needed for a complete component qualification record.
In an automotive ECU, the transceiver sits beside a CAN controller and connects its TXD and RXD pins to CANH and CANL. The controller emits frames, the transceiver drives the differential bus, and received dominant or recessive states return through RXD. This arrangement isolates the controller from the physical signaling conditions while supporting network communication at up to 1 Mbaud.
PCB implementation should follow the manufacturer layout guidance, provide a low-impedance connection between transceiver and bus connector, and place protection or filtering components where they do not distort edge rates. The CAN bus also requires correct termination, common-mode margin, and topology control. Exact voltage limits, loop-delay limits, and EMC test conditions should be taken from the manufacturer datasheet rather than inferred from the family description.
This page combines verified manufacturer and distributor information, same-footprint replacement constraints, practical interface guidance, and transparent data gaps. It is intended to accelerate component identification and first-pass design review while directing engineers to authoritative documentation for final electrical, environmental, and qualification decisions.
Drop-in alternatives for TLE6251DSXT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with TLE6251DSXT (same form factor and footprint).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
TLE6251G
✅ Drop-In📋 Reference alternative (not in catalog)
TLE6251-2G
✅ Drop-In📋 Reference alternative (not in catalog)
TLE6251DS
✅ Drop-In✓ In Stock
$0.3681 / Unit
View Datasheet →TLE6251DSXT Specifications
| Product Type | High-speed CAN transceiver |
| Maximum Data Rate | 1 Mbaud |
| Protocol Compatibility | ISO 11898-2 and ISO 11898-5 |
| Power Supply Context | 5 V automotive |
| CAN Mode | TX/RX |
| Wake-Up Feature | Bus wake-up |
| Standby Feature | Supported |
| Differential Bus Interface | CANH and CANL |
| Application Domain | Automotive and industrial |
| Package | PG-DSO-8 |
| Mounting Type | Surface mount |
| IC Type | Transceiver |
| Number of Channels | 1 CAN channel |
| RoHS Status | unknown |
| REACH Status | unknown |
TLE6251DSXT pg-dso-8 Pin Configuration Guide
Pin configuration for TLE6251DSXT (pg-dso-8 package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for TLE6251DSXT.
Refer to the datasheet for full pin configuration.
Typical Applications
TLE6251DSXT is suitable for 6 applications: Automotive ECU CAN Interface, Industrial Automation Network, Vehicle Diagnostic Gateway, Embedded Sensor Network, Motor and Power Equipment Control, CAN-to-Ethernet Gateway.
Automotive ECU CAN Interface
The TLE6251DSXT fits an automotive electronic control unit because the verified family supports CAN communication up to 1 Mbaud in a 5 V automotive supply context. It connects the controller's TXD and RXD logic to differential CANH and CANL conductors, allowing message transmission, reception, standby operation, and bus wake-up. The PG-DSO-8 package preserves a compact footprint, although production layouts should follow the exact Infineon land pattern. Verify the suffix's temperature grade and qualification before release.
Recommended
Industrial Automation Network
TLE6251DSXT can interface an industrial controller to a high-speed CAN bus when the design operates at or below the verified 1 Mbaud rate. The TXD path converts controller logic into differential bus signaling, while RXD reports received bus state to the CAN controller. Its 5 V automotive supply context and industrial application designation make it relevant to factory equipment where 5 V circuitry is common. Bus topology, termination, common-mode range, and EMC protection still require system-level validation.
Recommended
Vehicle Diagnostic Gateway
A diagnostic gateway can use TLE6251DSXT as the physical-layer interface between a CAN-capable microcontroller and a vehicle network. The verified 1 Mbaud capability supports the device's high-speed CAN positioning, while standby and bus-wake-up features can help a gateway remain responsive without continuous full-power operation. The transceiver's PG-DSO-8 package supports compact controller boards. Confirm exact electrical thresholds, sleep current, wake-up timing, and fault behavior in the manufacturer documentation before implementing a low-power diagnostic strategy.
Recommended
Embedded Sensor Network
TLE6251DSXT is suitable for a distributed sensor or actuator network when a CAN controller gathers measurements from remote modules. Differential CANH and CANL signaling supports communication over longer wired networks than a direct single-ended interface, while the verified 1 Mbaud rate accommodates high-speed control traffic. Keep transceiver routing away from motor power stages and add protection where exposed cables enter an enclosure. Termination belongs at the two ends of the main bus, not at every sensor node.
Recommended
Motor and Power Equipment Control
In motor-control or power-distribution equipment, TLE6251DSXT can connect a supervisory controller to a high-speed CAN command network. Its 1 Mbaud capability is useful when status and protection messages must be exchanged quickly, while standby supports power-managed operation between active intervals. The physical layer does not replace isolated bus protection, surge controls, or safe isolation. Designers must evaluate common-mode voltage, ground behavior, fault tolerance, and thermal performance for their particular power stage.
Recommended
CAN-to-Ethernet Gateway
TLE6251DSXT can serve as the CAN-side interface in a gateway that bridges a vehicle or machine network to Ethernet. A microcontroller receives CAN frames through RXD, processes or forwards them, and sends outgoing frames through TXD; Infineon verifies the physical transceiver supports differential operation up to 1 Mbaud. The compact PG-DSO-8 package leaves board area for Ethernet magnetics and an MCU. Isolation and surge protection should be designed around the connector and cable environment rather than assumed from the transceiver package.
Recommended
Recommended Products Summary
Engineering reference data for TLE6251DSXT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TLE6251G | TLE6251-2G | TLE6251DS |
|---|---|---|---|---|
| Brand | Infineon | Infineon | Infineon | Infineon |
| Package | PG-DSO-8 | DSO-8 | DSO-8 | PG-DSO-8 |
| Product Type | High-speed CAN transceiver | High-speed CAN transceiver | High-speed CAN transceiver | High-speed CAN transceiver with bus wake-up |
| Application Domain | Automotive and industrial | Automotive CAN interface | Automotive CAN interface | Automotive and industrial |
Key Differentiators
- Verified automotive and industrial CAN use (vs TLE6251-2G)
- Bus wake-up and standby positioning (vs TLE6251G)
- 1 Mbaud verified throughput (vs TLE6251-2G)
Design Notes
Use the exact Infineon PG-DSO-8 land pattern associated with the ordered DSXT variant, and place the transceiver close to the CAN connector. Keep CANH and CANL traces short, matched where practical, and referenced to a continuous ground plane. Avoid long stubs to protection devices because distributed capacitance can distort edges. Because the supplied data do not include a manufacturer reference PCB, the final trace geometry and return path must be reviewed against the authoritative datasheet.
Do not interpret a shared Infineon family label as proof of interchangeability. TLE6251G and TLE6251-2G appear in comparison results as DSO devices, but standby, wake-up, timing, electrical limits, and qualification can differ. Before replacing TLE6251DSXT, compare the complete ordering codes, pin functions, supply limits, loop delay, bus fault behavior, temperature range, packing form, and qualification documents. This prevents a footprint-compatible device from becoming an electrically incompatible substitution.
Place any connector protection close to the cable entry and keep its return current on the ground reference associated with the interface. Select protection devices from their capacitance and standoff-voltage characteristics rather than package size alone; excessive capacitance can reduce CAN edge quality. The verified 1 Mbaud rate also requires a controlled topology with termination at the two physical bus ends. Validate radiated and conducted emissions in the final vehicle or industrial enclosure because the transceiver alone does not determine system EMC performance.
Compliance Information
The verified snippets identify automotive and industrial applications but do not state exact-suffix RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Obtain current declarations from Infineon before qualification.