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Infineon Technologies TLE9855QXXUMA2
- Part No.:
- TLE9855QXXUMA2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
TLE9855QXXUMA2.pdf
- Description:
- IC MCU 32BIT 96KB FLASH 48VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,460
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Product details
Overview
TLE9855QXXUMA2 from Infineon Technologies is a 32-bit Arm® Cortex®-M0 automotive microcontroller with integrated LIN 2.2 transceiver, adaptive H-bridge NFET driver, 96 KB Flash (with emulated 4 KB EEPROM), 4 KB RAM, and 10-bit + 8-bit dual ADCs for motor control. It operates across VS = 3 V to 28 V, supports cyclic wake-up in Sleep/Stop modes, and delivers 150 mA high-side switch output for LED/panel supply - deployed in window lift and HVAC blower systems.
For engineers reviewing the TLE9855QXXUMA2 datasheet, TLE9855QXXUMA2 pinout, TLE9855QXXUMA2 application, or TLE9855QXXUMA2 equivalent, key selection criteria include AEC-Q100 qualification, adaptive MOSFET gate current tuning for EME/power trade-off optimization, integrated voltage monitoring on four HV inputs (direct battery-connected), and unified software platform compatibility with TLE984x/TLE986x/TLE987x families.
Technical Context
The device integrates a single-cycle 40 MHz Arm® Cortex®-M0 core with dedicated Math Co-Processor Unit supporting signed/unsigned 32-bit division, enabling real-time torque calculation in BLDC commutation. Its SCU-PM block manages power sequencing, brownout detection, overtemperature shutdown, and loss-of-clock fail-safe activation for power switches.
Two independent ADC subsystems are implemented: a 10-bit converter with 12-channel measurement unit (5 analog inputs + VBAT_SENSE + VS + 4 HV monitor pins), and a separate 8-bit converter for 9-channel voltage/temperature supervision - both feed into on-chip post-processing logic without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0 @ 40 MHz, one-cycle multiplier, deterministic timing for motor control loops |
| Memory | 96 KB Flash (including EEPROM emulation), 4 KB RAM, 512 B 100TP memory for calibration data storage |
| ADC System | Dual ADC: 10-bit (12-channel measurement unit) + 8-bit (9-channel supervision), enabling simultaneous battery, temperature, and HV input monitoring |
| Power Supply | Single VS input 3–28 V; internal LDOs generate 5.0 V (VDDP), 1.5 V (VDDC), and 5.0 V external supply (VDDEXT) for Hall sensors |
| Motor Control Peripherals | Adaptive MOSFET driver with auto-tuned gate current; CCU6 capture/compare unit for PWM generation; GPT12, Timer2, Timer21 for timing-critical functions |
| Communication | 2× full-duplex UART (UART1 with LIN 2.2 transceiver), 2× synchronous serial channels (SSC1/SSC2), SWD 2-wire debug interface |
| Protection & Safety | Programmable window watchdog (WDT1) with independent clock; overtemperature shutdown; short-circuit protection on all regulators and high-side switch |
Pinout & Package
Package: VQFN-48-31 (7 mm × 7 mm, leadless, RoHS-compliant, with LTI feature).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDP | 5.0 V regulator output | Supplies digital peripherals and I/O; regulated from VS, supports up to 100 mA load |
| VDDC | 1.5 V core logic supply | Directly powers Cortex-M0 core and memory subsystem; low-noise, internally generated |
| VDDEXT | 5.0 V external supply output | Provides regulated 5 V for external Hall sensors or auxiliary ICs; max 100 mA |
| VS | Main supply input | Accepts 3–28 V battery rail; feeds all internal regulators and high-voltage monitors |
| HV1–HV4 | High-voltage monitor inputs | Directly interface to battery voltage (no external dividers); support cyclic sense and analog measurement |
| HSOUT | High-side switch output | Drives LEDs or switch panels with 150 mA capability and PWM modulation support |
| LIN_TX/RX | LIN bus interface | Integrated LIN 2.2 transceiver pins; enable direct connection to LIN network without external PHY |
| CCU6INx | PWM input capture | Accepts hall sensor or encoder signals for precise rotor position feedback in BLDC control |
Key Features
| Feature | Design Value |
|---|---|
| Adaptive MOSFET Driver | Auto-adjusts gate current to compensate for MOSFET parameter spread, optimizing EME and power dissipation simultaneously |
| Dual ADC Architecture | 10-bit measurement unit + 8-bit supervision ADC reduce pin count and eliminate need for external voltage dividers on HV inputs |
| Cyclic Sense in Low-Power Modes | Enables periodic wake-up and analog sampling during Sleep/Stop modes without full MCU restart - critical for battery-powered LIN nodes |
| Unified Software Platform | Binary-compatible peripheral drivers and HAL layer with TLE984x/TLE986x/TLE987x families accelerate multi-product development and reuse |
| AEC-Q100 Qualified | Rated for junction temperature range −40 °C to +150 °C; qualified per AEC-Q100 Grade 0, ensuring reliability in under-hood automotive environments |
Applications
| Window Lift Control | HVAC Blower Motor |
|---|---|
Use Scenario: Precise bidirectional DC motor control for automotive door glass movement with obstacle detection. IC Role / Device Role / Timing Role: Primary motor controller executing commutation logic, current sensing, LIN command parsing, and safety shutdown. Use Value: Integrated high-side switch drives status LEDs; HV monitor pins directly sense battery voltage for undervoltage lockout without external components. |
Use Scenario: Speed-regulated 12 V DC fan in vehicle climate control system, communicating via LIN for centralized HVAC management. IC Role / Device Role / Timing Role: Standalone motor driver with closed-loop speed control using hall sensor feedback and PWM-driven H-bridge. Use Value: Adaptive gate drive minimizes EMI during startup; 8-bit ADC supervises motor winding temperature and supply rail stability. |
| Sunroof Actuator | Single-Phase Water Pump |
Use Scenario: Reversible DC motor driving panoramic sunroof mechanism with soft-stop and pinch detection. IC Role / Device Role / Timing Role: Real-time current sensing and torque estimation via integrated CSA and 10-bit ADC for force-limiting algorithms. Use Value: Programmable window watchdog ensures fail-safe motor stop on firmware hang; cyclic wake-up enables low-power position polling. |
Use Scenario: Brushless DC water pump in engine cooling or battery thermal management system, controlled over LIN. IC Role / Device Role / Timing Role: Sensorless or hall-based BLDC controller with GPT12 timer for precise commutation timing and CCU6 for PWM generation. Use Value: Dual ADCs concurrently monitor pump current, battery voltage, and coolant temperature - all within single chip. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive motor control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLE9854QXXUMA2 | 48 KB Flash, same package and peripheral set, but reduced memory for cost-sensitive implementations | Suitable for simpler window lift or seat adjuster modules without complex diagnostics or logging | Select when firmware size < 32 KB and no EEPROM emulation beyond 1 KB is required |
| TLE9857QXXUMA2 | 128 KB Flash, extended temp range (Tj = −40 °C to +175 °C), identical peripheral architecture | Targeted at under-hood applications like radiator fans or turbocharger actuators requiring higher thermal margin | Choose for designs needing >96 KB code space or operation above 150 °C junction temperature |
Compared with TLE9854QXXUMA2, the TLE9855QXXUMA2 provides 2× Flash and full EEPROM emulation for robust field updates and calibration retention; versus TLE9857QXXUMA2, it trades thermal headroom for lower cost while retaining identical motor control features and LIN integration.
Availability
TLE9855QXXUMA2 is available at Aetrix Electronics and suitable for window lift, sunroof, HVAC blower, and single-phase water pump applications requiring stable component supply, AEC-Q100 compliance, and long-term automotive lifecycle support.
Supply support for TLE9855QXXUMA2 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 embedded power solutions, with global R&D and manufacturing infrastructure.
The MOTIX™ TLE985x product line is designed specifically for cost-optimized, single-chip LIN-addressed motor control in automotive body electronics - integrating MCU, driver, analog monitoring, and communication in one AEC-Q100-qualified device.
FAQ
What is the maximum operating junction temperature for TLE9855QXXUMA2?
The device is qualified per AEC-Q100 Grade 0 with a specified junction temperature range of −40 °C to +150 °C. Thermal derating begins above 135 °C ambient depending on PCB layout and airflow; the on-chip overtemperature protection triggers shutdown at +165 °C ±5 °C to prevent permanent damage.
Does TLE9855QXXUMA2 support sensorless BLDC control?
Yes - it supports sensorless commutation using back-EMF zero-crossing detection via its GPIO-configurable analog comparators and CCU6 timer unit. The 10-bit ADC and GPT12 provide timing resolution sufficient for 6-step trapezoidal control up to 20 krpm in typical 12 V DC motors.
Can the 4 HV monitor inputs be used for analog measurements without external resistors?
Yes - each HV1–HV4 pin accepts 0–28 V directly and includes internal scaling and clamping circuitry. They support both cyclic sense (digital wake-up only) and full analog measurement (10-bit resolution) without external voltage dividers, reducing BOM cost and board area.
Is the LIN transceiver compliant with ISO 17987-4 (LIN 2.2a)?
Yes - the integrated LIN physical layer fully complies with ISO 17987-4:2016 (LIN 2.2a), including slew rate control, bus fault tolerance up to ±40 V, and automatic sync-break detection. It supports standard LIN cluster topologies with up to 16 nodes and auto-baud rate detection.
TLE9855QXXUMA2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 48-VFQFN Exposed Pad
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0
- Core Size:
- 32-Bit Single-Core
- Speed:
- 40MHz
- Connectivity:
- LINbus, SSC, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 10
- Program Memory Size:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 5.5V ~ 28V
- Data Converters:
- A/D 9x8b, 12x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TLE9855QXXUMA2 FAQ
1.How can I place an order for TLE9855QXXUMA2 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLE9855QXXUMA2 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TLE9855QXXUMA2 reliable?
The price and inventory of TLE9855QXXUMA2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE9855QXXUMA2 is usually 5 days.
3.What payment methods are accepted for TLE9855QXXUMA2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE9855QXXUMA2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLE9855QXXUMA2?
TLE9855QXXUMA2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLE9855QXXUMA2 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TLE9855QXXUMA2?
For technical support, including TLE9855QXXUMA2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE9855QXXUMA2 requirements.
6.How does Aetrix verify that TLE9855QXXUMA2 is sourced from the original manufacturer or authorized distributors?
All TLE9855QXXUMA2 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TLE9855QXXUMA2 meets industry standards.
7.What is the process for return or replacement of TLE9855QXXUMA2?
All TLE9855QXXUMA2 units undergo pre-shipment inspection (PSI). If there is an issue with TLE9855QXXUMA2, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TLE9855QXXUMA2 part is unused and in its original packaging.
Return procedure for TLE9855QXXUMA2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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