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Infineon Technologies TLE9854QXXUMA1
- Part No.:
- TLE9854QXXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
TLE9854QXXUMA1.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 48VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,570
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Product details
Overview
TLE9854QXXUMA1 from Infineon is an automotive-qualified 32-bit Arm® Cortex®-M0 microcontroller with integrated LIN 2.2 transceiver, adaptive H-bridge NFET driver, current sense amplifier, and dual ADC subsystems (10-bit + 8-bit) for motor control. It operates from 3 V to 28 V supply, supports -40°C to +150°C junction temperature, and delivers 40 MHz core performance with 64 KB Flash, 4 KB RAM, and 4 KB emulated EEPROM - deployed in window lift, sunroof, and HVAC blower systems.
For engineers reviewing the TLE9854QXXUMA1 datasheet, TLE9854QXXUMA1 pinout, TLE9854QXXUMA1 application, or TLE9854QXXUMA1 equivalent, key selection criteria include its adaptive MOSFET gate drive algorithm, cyclic-sense wake-up capability across 4 HV monitor inputs, integrated 5 V VDDEXT regulator for Hall sensors, and AEC-Q100 qualification for single-phase BLDC/DC motor control in constrained-space automotive modules.
Technical Context
The TLE9854QXXUMA1 integrates a dedicated SCU-PM (System Control Unit – Power Modules) that manages power sequencing, brownout detection, overtemperature shutdown, and loss-of-clock fail-safe activation for high-side switches. Its PMU provides three regulated supplies: 1.5 V core (VDDC), 5.0 V internal (VDDP), and 5.0 V external (VDDEXT) with ±2% accuracy over temperature and load.
Motor control execution relies on synchronized timing resources: GPT12 (16-bit general-purpose timer), Timer2/Timer21 (dedicated for PWM generation), and CCU6 capture/compare unit supporting dead-time insertion and complementary output pairs - all coordinated via the SCU-DM's clock generation unit featuring low-precision on-chip oscillator and programmable PLL dividers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Arm® Cortex®-M0, 40 MHz max clock, single-cycle multiplier, 1-cycle instruction execution for deterministic motor loop timing |
| Memory | 64 KB Flash (with EEPROM emulation), 4 KB RAM, 512 B 100TP memory for calibration data storage |
| ADC System | Dual converters: 10-bit ADC (12-channel measurement unit, includes VBAT_SENSE, VS, 4 HV inputs), 8-bit ADC (9-input supervision for voltage/temp) |
| Power Supply Range | VS = 3 V to 28 V - enables direct battery connection without pre-regulation in 12 V/24 V automotive systems |
| LIN Interface | Integrated LIN 2.2 transceiver with UART1 support - eliminates external transceiver IC and reduces BOM count |
| Temperature Range | Tj = -40°C to +150°C - qualified per AEC-Q100 Grade 0 for under-hood and door module placement |
| HV Monitor Inputs | 4 pins with cyclic sense, analog measurement, and wake-up capability - replaces external voltage dividers and discrete wake logic |
Pinout & Package
VQFN-48-31 package (7 mm × 7 mm, 0.5 mm pitch) with LTI (Leadless Thermal Interface) feature for enhanced thermal dissipation in motor driver applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDP | 5.0 V internal supply rail | Regulated output for digital peripherals; powers UART, SSC, timers, and GPIO logic |
| VDDC | 1.5 V core supply | Stable low-noise supply for Cortex-M0 core and memory subsystem |
| VDDEXT | 5.0 V external supply output | Programmable 5 V source for external Hall sensors or interface ICs; ±2% tolerance |
| HSW | High-side switch output | Drives loads up to 150 mA; supports PWM dimming and cyclic current sensing for LED panels |
| HV1–HV4 | High-voltage monitor inputs | Direct battery-connected inputs with internal scaling; enable wake-up and analog measurement without external resistors |
| DRVH/DRVL | H-bridge gate drivers | Adaptive NFET drivers with real-time gate current adjustment to optimize EME and switching losses |
| CSA_OUT | Current sense amplifier output | Analog output of integrated CSA for motor phase current feedback; ratiometric to VDDP |
| TXD1/RXD1 | LIN bus interface | UART1 pins connected to integrated LIN 2.2 transceiver; compliant with ISO 17987-2/4 |
Key Features
| Feature | Design Value |
|---|---|
| Adaptive MOSFET Driver | Real-time gate current tuning compensates for MOSFET parameter spread, enabling simultaneous EME reduction and minimized dead time |
| Cyclic Sense Wake-up | Configurable periodic sampling of HV inputs and analog channels during Sleep/Stop modes - extends battery life in always-on vehicle domains |
| Integrated Math Divider Unit | Hardware-accelerated signed/unsigned 32-bit division - offloads CPU for precise speed/torque calculations in motor control loops |
| Dual ADC Supervision | Independent 10-bit (motor control) and 8-bit (system health) converters - eliminate need for external supervisory ICs |
| On-chip Debug via SWD | 2-wire Serial Wire Debug interface - enables full firmware debug and flash programming without JTAG header footprint |
Applications
| Window Lift Control | Sunroof Actuation |
|---|---|
Use Scenario: Precise bidirectional DC motor control for automotive door glass movement with obstacle detection and soft-stop behavior. IC Role / Device Role / Timing Role: Primary motor controller executing closed-loop position/speed control, LIN command parsing, and current-based stall detection. Use Value: Integrated CSA, adaptive H-bridge drivers, and HV monitor inputs eliminate 7 external components versus discrete MCU + driver solutions. |
Use Scenario: Controlled opening/closing of panoramic sunroofs with anti-pinch safety logic and smooth acceleration/deceleration profiles. IC Role / Device Role / Timing Role: Real-time motor commutation supervisor using GPT12 and CCU6 PWM outputs, with LIN host communication and thermal monitoring. Use Value: On-die 10-bit ADC channels directly measure motor current and battery voltage - no external signal conditioning required. |
| HVAC Blower Fan | Single-Phase Water Pump |
Use Scenario: Variable-speed 12 V DC blower fan in climate control systems requiring quiet operation and wide dynamic range. IC Role / Device Role / Timing Role: Sensorless speed regulation via back-EMF sampling, driven by Timer2 PWM and analog input monitoring of tachometer signal. Use Value: VDDEXT regulator powers Hall-effect rotor position sensor; eliminates separate LDO and reduces PCB area by 22 mm². |
Use Scenario: Engine-cooling or cabin-heating water pump with LIN-commanded flow rate modulation and overtemperature shutdown. IC Role / Device Role / Timing Role: Safety-critical actuator controller with integrated overtemperature protection, short-circuit detection, and cyclic wake-up for standby monitoring. Use Value: AEC-Q100 qualification and -40°C to +150°C operation ensure reliability in under-hood environments without derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive motor control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLE9855QXXUMA1 | 96 KB Flash, same pinout and peripheral set; adds second LIN channel and extended temperature range (Tj = -40°C to +175°C) | Required for dual-LIN architectures or higher-temperature zones (e.g., engine bay coolant pumps) | Select when >64 KB Flash or dual-LIN is needed; software-compatible but requires revalidation of LIN stack |
| TLE9862QXXUMA1 | Same 64 KB Flash, but adds integrated half-bridge driver (vs. external NFETs); lacks HV monitor inputs and VDDEXT regulator | Better suited for space-constrained actuators where external FETs are impractical (e.g., small mirror adjusters) | Choose for integrated driver simplicity; trade-off is loss of HV sensing and external sensor supply capability |
Compared with TLE9854QXXUMA1, the TLE9855 offers scalability for larger firmware and harsher thermal environments, while the TLE9862 trades system-level flexibility (HV inputs, VDDEXT) for tighter integration - making TLE9854 optimal for cost-sensitive, sensor-rich LIN motor nodes with external FETs.
Availability
TLE9854QXXUMA1 is available at Aetrix Electronics and suitable for window lift, sunroof, and HVAC blower applications requiring stable component supply, AEC-Q100 compliance, and long-term automotive lifecycle support.
Supply support for TLE9854QXXUMA1 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 targets cost-optimized, single-chip LIN motor control for body electronics - integrating MCU, drivers, analog monitoring, and communication to replace multi-component designs in automotive actuators.
FAQ
Does TLE9854QXXUMA1 support CAN communication?
No. The TLE9854QXXUMA1 integrates only LIN 2.2 (via UART1) and two synchronous serial channels (SSC1/SSC2). It does not include a CAN controller or physical layer transceiver. For CAN-based motor nodes, Infineon's TLE987x family is recommended.
What is the function of the LTI feature in the VQFN-48-31 package?
LTI (Leadless Thermal Interface) refers to an exposed thermal pad on the underside of the VQFN package, designed for direct solder attachment to a PCB copper pour. This enhances heat transfer from the die to the board, enabling sustained 150°C junction operation under continuous H-bridge switching loads.
Can the 4 KB emulated EEPROM be used for storing user calibration data?
Yes. The 4 KB EEPROM is implemented in Flash with wear-leveling and error correction, supporting 100,000 write cycles and data retention >20 years at 125°C. It is accessed via dedicated NVM API functions in the Infineon DAVE™ library for safe calibration storage during field updates.
How does the adaptive MOSFET driver improve EME performance?
The adaptive driver dynamically adjusts gate current based on measured MOSFET turn-on/turn-off times, ensuring consistent slew rates across process/voltage/temperature variations. This reduces high-frequency spectral content in switching waveforms, lowering conducted and radiated emissions without fixed RC snubbers.
TLE9854QXXUMA1 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:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 512 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:
TLE9854QXXUMA1 FAQ
1.How can I place an order for TLE9854QXXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLE9854QXXUMA1 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 TLE9854QXXUMA1 reliable?
The price and inventory of TLE9854QXXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE9854QXXUMA1 is usually 5 days.
3.What payment methods are accepted for TLE9854QXXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE9854QXXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLE9854QXXUMA1?
TLE9854QXXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLE9854QXXUMA1 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 TLE9854QXXUMA1?
For technical support, including TLE9854QXXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE9854QXXUMA1 requirements.
6.How does Aetrix verify that TLE9854QXXUMA1 is sourced from the original manufacturer or authorized distributors?
All TLE9854QXXUMA1 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 TLE9854QXXUMA1 meets industry standards.
7.What is the process for return or replacement of TLE9854QXXUMA1?
All TLE9854QXXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE9854QXXUMA1, 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 TLE9854QXXUMA1 part is unused and in its original packaging.
Return procedure for TLE9854QXXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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