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Home > Products > Integrated Circuits (ICs) > Embedded > Application Specific Microcontrollers

Infineon Technologies TLE98912QTW61XUMA1

Name: TLE98912QTW61XUMA1
Brand: Infineon Technologies
SKU: TLE98912QTW61XUMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLE98912QTW61XUMA1

Manufacturer:: Infineon Technologies

Category:: Application Specific Microcontrollers

Package:: 48-TQFP Exposed Pad

Datasheet:: TLE98912QTW61XUMA1.pdf

Description:: EMBEDDED POWER

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Product details

Overview

TLE98912QTW61XUMA1 from Infineon Technologies is a 32-bit Arm® Cortex®-M3 automotive microcontroller with integrated CAN-FD transceiver and 3-phase N-FET bridge driver, operating from 5.5 V to 28 V supply, featuring 32 KB FLASH0, 256 KB FLASH1 with EEPROM emulation, 32 KB RAM, and qualified per AEC-Q100 for BLDC motor control in HVAC blowers and radiator fans.

For engineers reviewing the TLE98912QTW61XUMA1 datasheet, TLE98912QTW61XUMA1 pinout, TLE98912QTW61XUMA1 application, or TLE98912QTW61XUMA1 equivalent, key selection criteria include ASIL-B safety compliance, integrated BEMF comparators and SDADC for sensorless commutation, dual ADCs (12-bit/10-bit), and ultra-compact LQFP-64 packaging for space-constrained automotive auxiliary drives.

Technical Context

The TLE98912QTW61XUMA1 integrates a dedicated Motor Control Subsystem comprising CCU7 PWM generators, three BEMF comparators, and a 14-bit Sigma-Delta ADC with 2×2 differential inputs for precise rotor position sensing-enabling robust sensorless BLDC commutation without external Hall sensors. Its MultiCAN+ controller supports ISO 11898-1:2015 CAN-FD up to 5 Mbit/s with flexible data phase arbitration.

Power management includes a multi-rail PMU delivering VDDP (5.0 V ±2%), VDDC (3.3 V ±2%), and VDDEXT (1.2 V core) with brown-out detection, FIFO fail-safe supervision, and safe switch-off path for bridge driver fault response compliant with ISO 26262 SEooC for ASIL-B. The device boots from internal ROM and supports secured boot with layered access rights.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm® Cortex®-M3 @ 60 MHz - deterministic real-time execution for motor control loops with <1 µs interrupt latency.
Memory	FLASH0: 32 KB, FLASH1: 256 KB (EEPROM-emulated), RAM: 32 KB - sufficient for complex FOC/BEMF algorithms and firmware redundancy.
ADC System	12-bit ADC (19 ch), 10-bit ADC (14 ch), 14-bit SDADC (2×2 diff) - enables simultaneous phase current sampling, temperature monitoring, and high-resolution rotary position measurement.
Communication	1× CAN-FD (5 Mbit/s), 2× UART (LIN-capable), 2× SSC - full vehicle network integration plus debug and peripheral daisy-chaining.
Driver Integration	3-phase N-FET gate driver with charge pump, CCU7 PWM, and safe switch-off path - eliminates external gate drivers and reduces BOM count by ≥7 components.
Safety Compliance	ISO 26262 SEooC ASIL-B certified, AEC-Q100 Grade 0 (−40°C to +175°C TJ) - validated for under-hood deployment in engine bay and transmission environments.
Package	LQFP-64, 10 × 10 mm, 0.5 mm pitch - thermally enhanced footprint supporting >2.5 W dissipation with standard reflow profiles.

Pinout & Package

LQFP-64 package with exposed thermal pad (EP), RoHS-compliant, moisture sensitivity level 3. Pin functions validated per Infineon datasheet Z8F80164852 Rev. 1.1 Section 3.1.2 and Table 3-12.

Pin/Terminal	Circuit Role	Design Meaning
VDDP	5.0 V Power Supply	Primary analog/digital I/O rail; powers GPIO, ADC, UART, and CAN transceiver; requires local 10 µF ceramic decoupling.
VDDC	3.3 V Core Supply	Supplies Cortex-M3 core and SRAM; regulated internally from VBAT; critical for timing stability and low-power modes.
VDDEXT	1.2 V Core Logic Supply	Internal core voltage generated by on-chip regulator; no external connection required.
VBAT	Main Battery Input	5.5–28 V direct battery input; feeds PMU regulators and enables cold-cranking operation down to 5.5 V.
HS1–HS3	High-Side Gate Outputs	Drive external N-channel high-side FETs; each capable of 1 A peak sink/source with adaptive dead-time control.
LS1–LS3	Low-Side Gate Outputs	Drive external N-channel low-side FETs; integrated current sense shunt amplifier input (CSA_IN) referenced to LSx.
BEMF1–BEMF3	Back-EMF Comparator Inputs	Dedicated analog inputs for sensorless commutation; internally biased and filtered for noise immunity in noisy motor environments.
CANH / CANL	CAN-FD Differential Bus Terminals	Integrated transceiver outputs; require only 120 Ω termination resistor between pins; support wake-on-CAN and bus-off recovery.
SDA1 / SDA2	Sigma-Delta ADC Differential Inputs	2×2 differential pair for resolver or sine/cosine encoder interface; 14-bit resolution enables <0.1° electrical angle accuracy.
XTAL1 / XTAL2	Crystal Oscillator Inputs	Supports 4–20 MHz fundamental-mode crystals; internal PLL generates 60 MHz system clock with ±0.5% accuracy over temperature.

Key Features

Feature	Design Value
Integrated Safe Switch-Off Path	Hardware-enforced bridge disable within ≤5 µs on fault detection (overcurrent, overtemperature, BEMF loss), meeting ASIL-B fault reaction time requirements.
On-Chip Current Sense Amplifier	Single low-side shunt amplifier with programmable gain (10×/20×/40×) and comparator output - eliminates need for external op-amp and comparator in phase current feedback.
Multi-Rail PMU with Fail-Safe Supervision	Independent regulation of VDDP/VDDC/VDDEXT with FIFO-based error logging, brown-out reset, and watchdog-triggered safe state entry.
Secure Boot & Key Storage	Hardware-accelerated AES-128 decryption, immutable boot ROM, and tamper-resistant key storage - prevents unauthorized firmware updates in OTA-enabled systems.
CCU7 Capture-Compare Unit	6-channel PWM generator with center-aligned mode, dead-time insertion, and synchronous update - optimized for 3-phase BLDC sinusoidal or trapezoidal drive.

Applications

Automotive HVAC Blower

Radiator Cooling Fan

Use Scenario: Variable-speed blower motor in passenger cabin climate control, requiring quiet operation and rapid response to temperature setpoint changes.

IC Role / Device Role / Timing Role: Primary motor controller executing sensorless BEMF commutation, managing CAN-FD commands from HVAC ECU, and regulating speed via PWM-driven 3-phase inverter.

Use Value: Integrated SDADC and BEMF comparators enable <±2% speed regulation across 100–10,000 RPM while reducing external component count by 12 parts versus discrete MCU + driver solutions.

Use Scenario: Engine-cooling fan in ICE and hybrid powertrains, operating under high ambient temperatures and transient load conditions.

IC Role / Device Role / Timing Role: Safety-critical motor controller with ASIL-B compliance, monitoring coolant temperature via ADC, responding to CAN-FD thermal alerts, and executing fail-safe shutdown on overtemperature.

Use Value: On-die thermal sensor (TMPSNS) and safe switch-off path ensure shutdown within 8 µs of junction temperature exceeding 165°C - meeting OEM thermal runaway mitigation requirements.

Electric Power Steering Assist

Active Grille Shutter Actuator

Use Scenario: Low-power assist motor in column-assist EPS systems, demanding high torque density and electromagnetic compatibility in proximity to steering column electronics.

IC Role / Device Role / Timing Role: Compact motor controller handling torque command interpretation over CAN-FD, real-time current loop control, and EMI-optimized gate drive timing.

Use Value: LQFP-64 package with integrated charge pump and adaptive dead-time control achieves >92% efficiency at 12 V input while passing CISPR-25 Class 5 conducted emissions without external ferrites.

Use Scenario: Precision-positioning actuator controlling airflow through vehicle grille, requiring accurate angular positioning and stall detection.

IC Role / Device Role / Timing Role: Position-sensing motor controller using SDADC for resolver feedback, executing closed-loop position control, and reporting status via LIN-over-UART to body control module.

Use Value: 14-bit SDADC with 2×2 differential inputs delivers <0.05° position resolution over 0–90° mechanical range, enabling sub-degree shutter positioning accuracy without external ADC or resolver IC.

Equivalent & Alternatives

The following parts are listed as comparable options for similar BLDC motor controller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLE98922QTW61XUMA1	Same die, LQFP-64 package, but with 512 KB FLASH1 (vs. 256 KB); identical peripherals, safety features, and pinout.	Preferred for designs requiring larger firmware image size (e.g., dual-bank OTA, advanced diagnostics, or extended bootloader).	Select when future firmware growth headroom >256 KB is required; otherwise, TLE98912 offers optimal cost/performance balance.
TLE9879QXA40	Legacy TLE987x family; Cortex-M0+, 48 MHz, 128 KB FLASH, no CAN-FD, only LIN/UART, smaller LQFP-48 package.	Suitable for cost-sensitive, lower-performance auxiliary pumps or fans where CAN-FD and ASIL-B are not mandated.	Choose only if CAN-FD, 60 MHz performance, or ASIL-B certification are unnecessary; lacks SDADC and safe switch-off path.

Compared with TLE98912QTW61XUMA1, TLE98922QTW61XUMA1 provides scalable memory without design change, while TLE9879QXA40 sacrifices safety, bandwidth, and precision for lower cost and footprint-making the TLE98912 the optimal baseline for new ASIL-B automotive BLDC designs.

Availability

TLE98912QTW61XUMA1 is available at Aetrix Electronics and suitable for automotive HVAC blowers, radiator cooling fans, and electric power steering assist systems requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant traceability.

Supply support for TLE98912QTW61XUMA1 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 MCUs, and sensor solutions, with global R&D centers and ISO/TS 16949-certified manufacturing.

The MOTIX™ TLE989x product line targets highly integrated, safety-certified motor control for automotive auxiliary drives-designed to replace multi-chip solutions with single-package ASIL-B compliance, reduced PCB area, and simplified qualification.

FAQ

What is the maximum junction temperature rating for TLE98912QTW61XUMA1?

The device is qualified for continuous operation at junction temperatures from −40°C to +175°C per AEC-Q100 Grade 0. Thermal derating begins above 150°C, and the on-die temperature sensor (TMPSNS) provides real-time monitoring with ±3°C accuracy across the full range. Safe switch-off triggers at 165°C with hardware response time ≤8 µs.

Does TLE98912QTW61XUMA1 support sensorless BLDC commutation out of the box?

Yes-it includes three dedicated BEMF comparators with internal hysteresis and filtering, CCU7 PWM timers with synchronous update and dead-time control, and a 14-bit SDADC for optional resolver feedback. Reference firmware libraries for trapezoidal and FOC sensorless control are provided in the MOTIX™ SDK v3.2.1 and validated on the TLE989x EvalKit.

Can the integrated CAN-FD transceiver operate independently of the MCU core?

No-the CAN-FD protocol handler and transceiver share clock domains and power rails with the MCU core and require active firmware initialization. However, the CANTRX supports standby wake-up: it remains powered and monitors bus activity during CPU sleep, triggering an interrupt to wake the core upon valid frame reception without MCU intervention.

Is external crystal required for full functionality?

Yes-XTAL1/XTAL2 pins require a 4–20 MHz fundamental-mode crystal for primary clock generation. The internal RC oscillator (12 MHz) is only for boot and failsafe modes; it lacks the stability needed for CAN-FD bit timing (±0.5% tolerance required). Crystal startup time is specified at 10 ms max in the datasheet.

TLE98912QTW61XUMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: 48-TQFP Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Programmable:: -

Applications:: BLDC Controller

Core Processor:: ARM® Cortex®-M3

Program Memory Type:: EEPROM (8kB), FLASH (144kB)

Controller Series:: TLE989x

RAM Size:: 16K x 8

Interface:: CANbus, DMA, GPIO, SPI, SSC, UART/USART

Number of I/O:: 8

Voltage - Supply:: 5.5V ~ 28V

Operating Temperature:: -40°C ~ 175°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: PG-TQFP-48-10

TLE98912QTW61XUMA1 FAQ

1.How can I place an order for TLE98912QTW61XUMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TLE98912QTW61XUMA1 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 TLE98912QTW61XUMA1 reliable?

The price and inventory of TLE98912QTW61XUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE98912QTW61XUMA1 is usually 5 days.

3.What payment methods are accepted for TLE98912QTW61XUMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE98912QTW61XUMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLE98912QTW61XUMA1?

TLE98912QTW61XUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLE98912QTW61XUMA1 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 TLE98912QTW61XUMA1?

For technical support, including TLE98912QTW61XUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE98912QTW61XUMA1 requirements.

6.How does Aetrix verify that TLE98912QTW61XUMA1 is sourced from the original manufacturer or authorized distributors?

All TLE98912QTW61XUMA1 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 TLE98912QTW61XUMA1 meets industry standards.

7.What is the process for return or replacement of TLE98912QTW61XUMA1?

All TLE98912QTW61XUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE98912QTW61XUMA1, 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 TLE98912QTW61XUMA1 part is unused and in its original packaging.

Return procedure for TLE98912QTW61XUMA1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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