Infineon Technologies TLE9263BQXXUMA2

Overview

TLE9263BQXXUMA2 from Infineon Technologies is an automotive-qualified System Basis Chip (SBC) integrating dual low-drop voltage regulators (5 V/250 mA main, 5 V/100 mA auxiliary), one high-speed CAN FD transceiver (up to 5 Mbit/s), two LIN 2.2 transceivers, four high-side switches (7 Ω typ.), two HV GPIOs, and three HV wake inputs. It serves as a central power management and communication hub in body electronics modules.

For engineers reviewing the TLE9263BQXXUMA2 datasheet, TLE9263BQXXUMA2 pinout, TLE9263BQXXUMA2 application, or TLE9263BQXXUMA2 equivalent, this device supports critical design tasks including CAN FD gateway configuration, multi-rail power sequencing, LIN-based sensor/actuator interfacing, and fail-safe high-side load control in AEC-Q100-compliant systems.

Technical Context

The TLE9263BQXXUMA2 implements a configurable state machine with seven operational modes (Init, Normal, Stop, Sleep, Restart, Fail-Safe, Development), enabling precise power-state coordination across vehicle networks. Its supervision subsystem includes watchdog timer, interrupt output, reset generation, and cyclic wake capability via internal timer or LIN/CAN bus activity.

It integrates three independent voltage regulation paths: a main LDO (5 V/250 mA), an auxiliary LDO (5 V/100 mA), and a programmable external regulator interface using an external PNP transistor-supporting either off-board usage protection or load-sharing configurations with adjustable current limit via R_SHUNT.

Key Specifications

Pinout & Package

Package: PG-VQFN-48 (7 mm × 7 mm, 0.5 mm pitch, exposed thermal pad). RoHS-compliant, lead-free, automotive-grade molding compound.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar System Basis Chip applications.

Compared with MC33816 and ISL78322, the TLE9263BQXXUMA2 uniquely combines CAN FD, dual LIN, dual LDOs, four high-side switches, and three HV wake inputs in a single AEC-Q100 package-making it the only option for compact, feature-complete body domain controllers requiring full network bridging and local actuation.

Availability

TLE9263BQXXUMA2 is available at Aetrix Electronics and suitable for Body Control Modules (BCM), Passive Keyless Entry (PKE) systems, and HVAC actuator control requiring stable component supply across automotive production lifecycles.

Supply support for TLE9263BQXXUMA2 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive ICs, and security solutions, with global manufacturing and qualification infrastructure.

The OPTIREG™ SBC family targets automotive body electronics, delivering integrated power, communication, and supervision functions to reduce ECU complexity and improve functional safety compliance.

FAQ

What is the maximum ambient temperature rating for continuous operation?

The TLE9263BQXXUMA2 is qualified for operation from −40 °C to +125 °C ambient temperature per AEC-Q100 Grade 1. Thermal derating begins above 105 °C case temperature, and the device includes internal thermal shutdown at 165 °C to protect against sustained overload conditions.

Does the device support partial networking on the CAN FD interface?

Yes, the CAN FD transceiver supports Partial Networking (PN) per ISO 11898-2:2016. It enables selective wake-up of specific ECU groups via targeted network messages, reducing overall vehicle standby current. PN configuration is controlled via SPI register settings and requires external CAN controller support.

Can the external PNP regulator be used simultaneously with the internal main regulator?

Yes, the external PNP regulator operates in load-sharing mode with the internal main regulator when configured via SPI. Current distribution is determined by R_SHUNT value and external transistor gain; total combined output remains within 250 mA limit to prevent thermal overload.

How many unique wake sources can trigger exit from Sleep Mode?

Five independent wake sources are supported: CAN bus activity, LIN bus activity (either channel), and any of the three HV wake inputs (WAKE1–WAKE3). Each source can be individually enabled/disabled via SPI, and wake cause is latched in dedicated status registers for diagnostic readout.