TLE9850QXXUMA1 Tech Specifications
Infineon - TLE9850QXXUMA1 technical specifications, attributes, parameters and parts with similar specifications to Infineon - TLE9850QXXUMA1

Product Attribute	Attribute Value
Part Number	TLE9850QXXUMA1
Package	-
Description	-
Stock Condition	Get 13750 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	Infineon Technologies
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Parts Introduction

Manufacturer Part Number

TLE9850QXXUMA1

Manufacturer

infineon-technologies

Introduction

The TLE9850QXXUMA1 is a high-performance, multi-functional, and scalable 32-bit ARM Cortex-M0 based microcontroller from Infineon's AURIX™ family. It offers a wide range of advanced features and peripherals, making it an ideal choice for a variety of embedded applications requiring high reliability, safety, and flexibility.

Product Features and Performance

ARM® Cortex®-M0 32-bit single-core processor running at 40MHz

Extensive peripheral set including LINbus, SSC, UART/USART, brown-out detection/reset, POR, PWM, and WDT

48KB FLASH program memory, 4KB EEPROM, and 4KB RAM

9x8-bit and 12x10-bit ADCs

External and internal oscillator options

Wide operating voltage range of 5.5V to 28V

Extended operating temperature range of -40°C to 150°C (TJ)

Surface mount 48-VFQFN Exposed Pad package

Product Advantages

Powerful 32-bit ARM Cortex-M0 core for efficient code execution

Comprehensive peripheral set for diverse application needs

Robust safety and reliability features for critical systems

Wide operating voltage and temperature range for flexible design

Small form factor package for space-constrained applications

Key Reasons to Choose This Product

Excellent performance and scalability for a wide range of embedded applications

Robust safety and reliability features for mission-critical systems

Flexible configuration and peripheral options for customized solutions

Proven track record of Infineon's AURIX™ microcontroller family

Cost-effective and readily available in tape and reel packaging

Quality and Safety Features

Robust brown-out detection and power-on reset for reliable operation

Integrated watchdog timer for system monitoring and fault tolerance

Extended temperature range for use in harsh environments

Rigorous quality control and testing processes

Compatibility

The TLE9850QXXUMA1 is compatible with other AURIX™ series microcontrollers, allowing easy migration and scalability for different application requirements.

Application Areas

Industrial automation and control systems

Automotive electronics and power steering

Home appliances and consumer electronics

Building automation and smart home devices

Medical equipment and healthcare applications

Product Lifecycle

The TLE9850QXXUMA1 is an active product in Infineon's AURIX™ microcontroller lineup. There are several equivalent or alternative models available, including the TLE9850QXX, TLE9851QXX, and TLE9852QXX series. For the most up-to-date information on product availability and alternative options, please contact our website's sales team.

Frequently Asked Questions(FAQ)

What is the operating voltage range and power supply requirements for the TLE9850QXXUMA1 microcontroller, and how does this influence system design in automotive applications?: The TLE9850QXXUMA1 operates across a supply voltage range of 5.5V to 28V, making it suitable for automotive environments where transient loads and battery variations are common. This wide input tolerance allows direct connection to 12V or 24V vehicle networks without requiring external voltage regulators in many cases. However, designers must ensure that all I/O pins remain within the absolute maximum ratings during load dump events or cold crank conditions. The device includes internal brown-out detection and power-on reset circuitry to maintain stable operation across this range, but decoupling capacitors must still be carefully placed near the VDD/VSS pins to suppress noise. The 48-VQFN package provides adequate thermal performance for typical current consumption levels, though layout considerations are necessary to manage heat during prolonged high-load operation.

How does the memory architecture of the TLE9850QXXUMA1 compare to other AURIX™ family members in terms of program storage and data handling capabilities?: The TLE9850QXXUMA1 features 48KB of embedded FLASH memory and 4KB of RAM, which positions it as an entry-level member within the AURIX™ portfolio. Compared to higher-end models like the TLE987x series, it lacks dual-core processing and advanced security features but offers sufficient resources for mid-range control tasks. The 4K x 8 EEPROM provides limited non-volatile storage for configuration parameters, which is typical for cost-sensitive applications. In comparison to similarly priced 32-bit MCUs from other vendors, the TLE9850’s memory footprint supports basic motor control algorithms or sensor fusion routines but may require code optimization when implementing complex state machines or large lookup tables.

Can the TLE9850QXXUMA1 interface with LINbus systems, and what design considerations apply when integrating it into a LIN network?: Yes, the TLE9850QXXUMA1 includes native LINbus support, enabling communication with automotive sensors and actuators using the LIN protocol. When integrating into a LIN network, designers must account for signal integrity due to the single-wire transmission line; termination resistors (typically 1kΩ) should be placed close to the master node to minimize reflections. The internal LIN transceiver typically handles voltage thresholds compatible with 12V systems, but external protection diodes may be needed for robustness against electrostatic discharge (ESD). Additionally, timing constraints must be respected—the LIN frame structure requires precise baud rate synchronization, which the microcontroller’s built-in LIN module manages automatically under most conditions.

What are the temperature specifications and thermal management implications for the TLE9850QXXUMA1 in industrial and automotive environments?: The TLE9850QXXUMA1 supports a junction temperature range from -40°C to +150°C, reflecting its suitability for harsh environments such as engine control units or industrial automation equipment. This broad operational window means the device can survive exposure to high ambient temperatures without active cooling in many cases. However, sustained operation near the upper limit reduces available headroom for dynamic power consumption spikes. Thermal vias beneath the exposed pad on the PG-VQFN-48 package help conduct heat to the PCB ground plane, improving heat dissipation. Engineers should perform thermal simulations or empirical testing if placing the IC adjacent to heat-generating components like power MOSFETs or DC-DC converters.

How reliable is the watchdog timer implementation in the TLE9850QXXUMA1, and what best practices exist for fail-safe system design?: The TLE9850QXXUMA1 integrates a hardware-based watchdog timer (WDT) that resets the processor if software execution stalls beyond a configurable timeout period. Unlike software-only watchdogs, this peripheral runs independently of the main CPU clock, enhancing reliability during firmware hangs or oscillator failures. To maximize effectiveness, developers should periodically service the WDT within predictable intervals, avoid disabling it unless absolutely necessary, and consider pairing it with other safety mechanisms like stack monitoring or assertion checks. During development, simulating fault conditions by temporarily skipping WDT feed commands helps validate recovery behavior before deployment.

What are the analog-to-digital converter (ADC) performance characteristics of the TLE9850QXXUMA1, and how do they affect sensor interface decisions?: The TLE9850QXXUMA1 contains two independent ADCs: one with nine 8-bit channels and another with twelve 10-bit channels. While not high-resolution compared to dedicated data acquisition ICs, these converters provide sufficient accuracy for many control-loop inputs such as thermistor readings or voltage monitoring. The 10-bit ADC achieves approximately 9.8mV resolution at full scale (assuming a 3.3V reference), which translates to roughly ±1.5% error in measured values. Designers selecting this MCU must balance sampling speed against noise immunity—faster conversions reduce latency but increase susceptibility to switching noise from digital circuits. Proper analog front-end design, including RC filtering and shielding, is essential to achieve consistent results in real-world applications.

Does the TLE9850QXXUMA1 support external crystal oscillators, and how does this affect system stability and cost?: Yes, the TLE9850QXXUMA1 can operate using either an internal RC oscillator or an external crystal/resonator connected to its XTAL1/XTAL2 pins. Using an external crystal improves frequency accuracy (±20 ppm typical) and stability over temperature, which is critical for time-sensitive protocols like LIN or UART baud rate generation. However, crystals add component count, assembly complexity, and potential tuning costs. For applications where timing precision is less critical (e.g., simple actuator control), the internal oscillator suffices and reduces bill-of-materials expense. Regardless of source, careful PCB layout minimizes parasitic capacitance and ensures short trace lengths to minimize phase jitter.

What are the key differences between the TLE9850QXXUMA1 and similar microcontrollers in terms of I/O availability and peripheral integration?: With only 10 general-purpose I/O lines available despite its 48-pin package, the TLE9850QXXUMA1 trades pin density for integrated functionality. Unlike some competitors offering more GPIOs, Infineon prioritized dedicated peripherals such as PWM modules, SSC interfaces, and UART/USART blocks tailored for automotive use. This specialization reduces software overhead but limits flexibility in routing custom signals. Engineers evaluating alternatives should assess whether additional GPIOs outweigh the benefits of built-in communication interfaces. If parallel sensor arrays or multiple actuators require direct access, a different MCU with higher pinout might be preferable despite potentially lower integration.

Is the TLE9850QXXUMA1 suitable for safety-critical applications, and what certifications or design mitigations apply?: While the TLE9850QXXUMA1 is not formally certified for functional safety (e.g., ISO 26262 ASIL), it is widely used in automotive systems where robustness is achieved through architectural redundancy and rigorous coding standards. Its ARM® Cortex®-M0 core lacks lockstep cores or ECC-protected memories found in certified AURIX™ variants, so developers must implement software-level fault detection and mitigation strategies. These include checksum validation, runtime assertions, and periodic self-tests. For applications demanding formal certification, Infineon recommends stepping up to the TLE987x series with hardware safety features. Nevertheless, many customers leverage the TLE9850’s proven track record in non-safety domains like body electronics or convenience systems.

How does the packaging type of the TLE9850QXXUMA1 impact manufacturability and thermal performance in production?: The TLE9850QXXUMA1 uses a 48-lead PG-VQFN package with an exposed thermal pad, commonly supplied in tape-and-reel format for automated assembly. The small form factor (7mm x 7mm) enables compact board designs but demands attention to solder joint quality during reflow profiling. The exposed pad enhances heat transfer to the PCB, reducing thermal resistance compared to non-exposed alternatives. SMT manufacturers typically handle this package well, but tombstoning risks must be mitigated via symmetrical pad sizing and controlled wetting. Moisture sensitivity level (MSL) of 3 indicates the part can withstand three days in ambient humidity before baking, aligning with standard JEDEC guidelines for lead-free processes.

What programming and debugging options are available for the TLE9850QXXUMA1, and what tools are recommended for development?: The TLE9850QXXUMA1 supports programming via JTAG or serial bootloader modes, allowing flash updates through debuggers like Infineon’s AURIX Development Studio or third-party tools compatible with ARM CoreSight technology. An onboard debug interface enables real-time tracing and breakpoints without removing the IC from the target board. For initial bring-up, many developers use evaluation boards featuring USB-to-UART bridges for firmware loading. Since the Cortex-M0 lacks complex trace buffers, logic analyzers or SWO pin output are often employed to monitor peripheral activity. Firmware development typically targets FreeRTOS or bare-metal C/C++ depending on application complexity.

How does the TLE9850QXXUMA1 compare to the TLE984x series in terms of core performance and feature set?: The TLE9850QXXUMA1 represents an evolution from the earlier TLE984x series, primarily through adoption of the ARM® Cortex®-M0 core instead of legacy M3 cores. This shift improves instruction efficiency and lowers power consumption while maintaining backward compatibility with much of the AURIX™ instruction set. Both families share similar pinouts and peripherals, but the TLE9850 offers slightly higher clock speeds (40MHz vs. 32MHz) and better integration of safety-related functions such as enhanced watchdog and brown-out detection. Memory sizes remain comparable, though the TLE9850’s FLASH organization may offer faster erase/write cycles. Transitioning from TLE984x to TLE9850 usually requires minimal code changes but allows leveraging newer toolchains and compiler optimizations.

What are the limitations of the TLE9850QXXUMA1 regarding real-time performance and interrupt handling?: As a single-core Cortex-M0 device running at 40MHz, the TLE9850QXXUMA1 has inherent latency constraints when handling nested interrupts or executing time-critical ISRs. Maximum interrupt response time is limited by context-switch overhead and pipeline flushing, which may exceed requirements for hard real-time systems requiring microsecond-level determinism. Additionally, the absence of dual-priority interrupt controllers complicates scheduling in multi-tasking environments. Developers must optimize interrupt service routines (ISRs) to minimize execution time and avoid blocking operations. For applications demanding stricter timing guarantees, external co-processors or higher-performance AURIX™ variants with lockstep cores are more appropriate.

Can the TLE9850QXXUMA1 drive inductive loads directly, and what precautions are necessary to prevent damage?: The TLE9850QXXUMA1 cannot directly sink or source significant current required by inductive loads such as relays or solenoids. Driving such devices demands external transistors or driver ICs configured as switches. Without flyback diodes or TVS protection, inductive kickback from de-energizing coils can exceed absolute maximum ratings and destroy the MCU’s I/O pins. Therefore, designers should always include protective components like Schottky diodes or transient suppressors across the load. Alternatively, optocouplers or solid-state relays isolate the MCU electrically, improving both reliability and compliance with automotive EMC standards. Careful layout minimizes parasitic inductance in feedback paths to further safeguard sensitive circuits.

What role does the internal oscillator play in the TLE9850QXXUMA1, and when should it be preferred over an external clock source?: The TLE9850QXXUMA1 incorporates a factory-calibrated internal RC oscillator providing a stable 16MHz base frequency, adjustable via software calibration registers. This oscillator eliminates the need for external crystals in cost-sensitive or space-constrained designs, simplifying PCB routing and reducing component count. It is ideal for applications where timing accuracy below ±1% is acceptable, such as basic timer operations or low-speed UART communication. However, for systems requiring precise baud rates or synchronization with external buses, an external crystal remains preferable. The internal oscillator also aids rapid startup during power cycling, which benefits diagnostic and fault-recording functions in automotive contexts.

How does the TLE9850QXXUMA1 address electromagnetic compatibility (EMC) concerns in automotive installations?: The TLE9850QXXUMA1 employs several techniques to improve EMC resilience, including programmable slew-rate control on GPIOs to reduce RF emissions, integrated clamp diodes on analog inputs to prevent latch-up, and robust reset circuitry immune to voltage dips. Compliance with automotive EMC standards (e.g., ISO 11452-2) depends heavily on system-level design rather than MCU characteristics alone. Critical practices include proper grounding, shielding sensitive traces, minimizing loop areas in power and signal paths, and adding bulk capacitance near the IC. Layout parasitics and coupling between high-speed digital lines and analog sensors must be managed to avoid radiated interference affecting nearby radios or CAN networks.

What development ecosystem and software libraries support the TLE9850QXXUMA1, and how do they accelerate time-to-market?: Infineon provides comprehensive software support for the TLE9850QXXUMA1 through the AURIX Development Studio, which includes HAL drivers, middleware for communication protocols (LIN, UART, SSC), and example projects demonstrating PWM generation, ADC sampling, and watchdog usage. Third-party vendors like Keil MDK and IAR Embedded Workbench offer optimized compilers and debugger plugins. The HAL abstracts register manipulation, allowing developers to focus on application logic rather than low-level hardware details. Pre-tested peripheral configurations reduce debugging effort and minimize errors during integration. Community forums and technical documentation further assist troubleshooting, accelerating deployment in production environments.

What environmental and regulatory compliance aspects should engineers consider when selecting the TLE9850QXXUMA1 for global deployments?: The TLE9850QXXUMA1 complies with RoHS3 directives, eliminating hazardous substances such as lead and cadmium, ensuring compatibility with international environmental regulations. Its REACH status indicates no SVHC (substances of very high concern) present, simplifying supply chain documentation. The HTSUS classification (8542.31.0001) and ECCN (3A991A2) reflect export control considerations, particularly for military or aerospace applications where dual-use restrictions may apply. Manufacturers must verify local import requirements based on these codes when sourcing globally. Additionally, the MSL rating of 3 (168-hour floor life) informs warehouse handling procedures to prevent moisture-induced defects during soldering.

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Customer Reviews

Evaluation: 10 Articles

Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.

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America	United States	5
America	Brazil	7
Europe	Germany	5
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	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

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TLE9850QXXUMA1

Infineon
41D-TLE9850QXXUMA1

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TLE9850QXXUMA1 - Infineon

Specifications

Parts Introduction

Manufacturer Part Number

Manufacturer

Introduction

Product Features and Performance

Product Advantages

Key Reasons to Choose This Product

Quality and Safety Features

Compatibility

Application Areas

Product Lifecycle

Frequently Asked Questions(FAQ)

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

Solid diode for power rectification. Works well in switching circuits.

Compact FPGA with good performance. Suitable for basic signal processing tasks.

Reliable I/O expander. Works well in embedded control applications.

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

Very good. No issue after long time testing.

Write a Review

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TLE9850QXXUMA1

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Please refer to the English Version as our Official Version.