Infineon Technologies TLE9832QVXUMA2

Overview

TLE9832QVXUMA2 from Infineon Technologies is an automotive-qualified 8-bit microcontroller integrating LIN transceiver, dual low-side switches (1.2 A continuous), one high-side switch (0.5 A), 32 kB Flash + 4 kB emulated EEPROM, XC800 core (40 MHz), and dual ADCs (8-bit + 10-bit) - designed for body electronics control in 12 V vehicle networks.

For engineers reviewing the TLE9832QVXUMA2 datasheet, TLE9832QVXUMA2 pinout, TLE9832QVXUMA2 application, or TLE9832QVXUMA2 equivalent, this device supports LIN-based sensor/actuator interfacing, PWM-controlled load driving, on-chip voltage regulation (1.5 V core / 5.0 V I/O), and embedded safety features including windowed watchdog and loss-of-clock detection.

Technical Context

The TLE9832QVXUMA2 integrates a fully functional LIN 2.1-compliant transceiver with bus fault protection and automatic wake-up capability, directly coupled to the XC800 core via UART with hardware LIN framing support. Its power management unit delivers regulated 1.5 V (VDDC) for the core and 5.0 V (VDDP) for I/O and peripherals, with external 5.0 V regulator input (VDDEXT) for system-level supply flexibility.

It embeds two independent switching channels: one high-side driver (R_DS(on) = 1.2 Ω typ. @ 25 °C) and two low-side drivers (R_DS(on) = 0.8 Ω typ. @ 25 °C), each supporting PWM modulation up to 25 kHz and integrated current sensing with clamping diodes - enabling direct relay, LED, and solenoid control without external components.

Key Specifications

Pinout & Package

Package: QFN-48 (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced with exposed pad for improved heat dissipation in automotive under-hood environments.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar automotive microcontroller with integrated LIN and power switches applications.

Compared with TLE9833QVXUMA2, the TLE9832QVXUMA2 offers identical integration and footprint but targets simpler dual-load architectures; versus TLF35584ESV50, it delivers full MCU functionality in one die - reducing interconnect complexity and component count at the expense of MCU scalability.

Availability

TLE9832QVXUMA2 is available at Aetrix Electronics and suitable for automotive body electronics, seat control modules, and roof actuation systems requiring stable component supply across extended temperature ranges (–40 °C to +150 °C).

Supply support for TLE9832QVXUMA2 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 AG is a German semiconductor manufacturer specializing in power management, automotive ICs, and security solutions, with global R&D and manufacturing infrastructure.

The TLE9832 belongs to Infineon's TLE98xx family of automotive-qualified microcontrollers designed specifically for cost-effective, integrated LIN node applications in body electronics - emphasizing functional safety, thermal robustness, and system-level integration.

FAQ

What is the maximum ambient temperature rating for TLE9832QVXUMA2 in continuous operation?

The TLE9832QVXUMA2 is qualified for operation from –40 °C to +125 °C ambient temperature, with junction temperature rated up to +150 °C. Thermal derating applies above +105 °C ambient depending on PCB copper area and airflow; the exposed pad must be soldered to a thermal pad for full specification compliance.

Does TLE9832QVXUMA2 support LIN sleep/wake functionality?

Yes - the integrated LIN transceiver supports automatic wake-up on dominant bus pulses and configurable sleep mode entry after programmable idle time. The MCU can enter STOP mode with LIN receiver active, consuming <50 µA typical, and wake within 100 µs upon valid LIN header detection.

Can the high-side switch be used for load diagnosis?

Yes - the HSS includes cyclic current sense capability with 10-bit resolution, allowing real-time load current measurement and open/short-circuit detection. Diagnostic thresholds are programmable via register settings, and fault flags trigger interrupts for immediate software response.

Is external crystal required for accurate LIN timing?

No - the on-chip oscillator and PLL provide sufficient accuracy (±2 % over temperature and voltage) for LIN 2.x compliance without external crystal. An external crystal (1–20 MHz) may be used for higher precision or alternative clock sources, but is optional per the datasheet's functional range specifications.