TLE7251VLEXUMA1

The TLE7251VLEXUMA1 is Infineon’s single‑channel automotive LIN transceiver. It sits between an MCU LIN controller and the LIN bus, providing the necessary level shifting and bus protection to run LIN networks in vehicles.
Key points:
- Purpose: LIN bus interface for automotive microcontrollers (body electronics, sensors, actuators, etc.).
- Protection and robustness: over/undervoltage, overcurrent, thermal shutdown, load-dump/transient protection, and ESD tolerance typical of automotive devices.
- Features: wake-up/bus-dominant signaling, low sleep current, suitable for 12V automotive environments.
- Package: available in Infineon’s compact UMA/LEX UMA1 style package variant for space-constrained designs.
Note: This is a high-level intro. For exact electrical specifications, pinout, voltage ranges, timing, and recommended usage, consult the official TLE7251VLE datasheet and application notes.

TLE7251VLEXUMA1 features (concise):
- Automotive-grade single-channel smart high-side switch with integrated MOSFET
- Wide operating voltage range (typical 6–28 V; load-dump tolerant)
- Overcurrent/short‑circuit protection with current limit
- Overtemperature protection and thermal shutdown
- Undervoltage lockout and reverse-polarity protection
- Fault diagnostics (open-load, short to GND, other faults) with status output
- Enable input for control and controlled turn-on with EMI-friendly slew rate
- Low quiescent current in off/sleep mode
- Robust ESD/EMC protection for automotive environments
- AEC-Q100 qualified
- Package: UMA1 (as per device variant)
Note: exact current rating, fault signaling pins, and timing details are specified in the datasheet.

- Pin count: 8 pins (8-pin package in the VLE variant, e.g., SO-8/SOP-8 format).
- Function: Single-channel automotive smart high-side switch with an integrated MOSFET. It switches VBAT to the load, and provides protection (current limiting/OC, overtemperature, undervoltage) and diagnostic feedback.

- Manufacturer: Infineon Technologies AG.
- What kind of company: A German multinational semiconductor company and system solutions provider, one of the world’s leading semiconductor manufacturers, focusing on automotive, power, industrial, and security markets.

Main application areas: Automotive body/comfort electronics using LIN networks. It acts as a LIN physical-layer transceiver to connect MCUs to LIN sensors and actuators on a single wire. Common implementations include door modules, seat controls, climate/HVAC actuators, lighting and dimming, window/mirror actuators, instrument clusters, and LIN-based gateways. Also suitable for low-cost industrial automation nodes and any system requiring a robust LIN interface with wake/sleep support and ESD protection.

Package type: VLE package (Infineon’s Very Low-profile Leadframe Package), 8-pin.