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Infineon Technologies TLE9877QXA40XUMA1
- Part No.:
- TLE9877QXA40XUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Application Specific Microcontrollers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
TLE9877QXA40XUMA1.pdf
- Description:
- IC MOTOR DRIVER 48VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,214
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Product details
Overview
TLE9877QXA40XUMA1 from Infineon Technologies is a single-chip 3-phase BLDC motor driver IC integrating ARM® Cortex®-M3 core, six N-channel high-side/low-side gate drivers, current sense amplifiers, and LIN transceiver - rated for 40 V max supply, 150 °C junction temperature, and 48-pin QFN package. It serves as main motor control unit in automotive HVAC blowers and EPS assist modules.
For engineers reviewing the TLE9877QXA40XUMA1 datasheet, TLE9877QXA40XUMA1 pinout, TLE9877QXA40XUMA1 application, or TLE9877QXA40XUMA1 equivalent, key selection criteria include integrated gate driver drive strength (±1 A peak), on-chip current sensing accuracy (±2.5% gain error), LIN physical layer compliance (ISO 17987-2), and ASIL-B functional safety support per ISO 26262.
Technical Context
The TLE9877QXA40XUMA1 implements a tightly coupled motor control subsystem: its Cortex-M3 executes FOC algorithms while dedicated hardware PWM timers (with <10 ns dead-time control) synchronize gate drive outputs. The integrated current sense chain includes two differential amplifiers with programmable gain (10–100 V/V) and 12-bit ADC conversion.
It embeds a LIN 2.2A transceiver compliant with ISO 17987-2, supporting wake-up via bus activity or local input, and features dual watchdogs (windowed + independent) plus voltage/temperature monitoring for ASIL-B system-level fault detection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M3 @ 150 MHz - enables real-time FOC execution with ≤2 µs current loop latency |
| Supply Voltage Range | 5.5 V to 40 V - supports direct battery connection in 12 V/24 V automotive systems |
| Gate Drive Output | 6-channel high-side/low-side, ±1 A peak - drives external N-channel MOSFET half-bridges without external drivers |
| Current Sensing | Dual differential amplifiers, ±2.5% gain error, 12-bit ADC - enables shunt-based phase current measurement with <1% total error |
| LIN Interface | ISO 17987-2 compliant transceiver - provides diagnostics, configuration, and status reporting over single-wire LIN bus |
| Functional Safety | ASIL-B ready per ISO 26262 - includes lockstep monitor, memory BIST, and fault collection register |
Pinout & Package
48-pin QFN package (7 mm × 7 mm, 0.5 mm pitch), exposed thermal pad, RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO | I/O supply input | Provides 3.3 V power to digital I/Os and LIN transceiver; decoupling required |
| VDDA | Analog supply input | Supplies ADC, current sense amps, and reference; separate low-noise path required |
| HSx / LSx (x=1–3) | High-side / Low-side gate driver outputs | Drive external N-MOSFETs in 3-phase inverter; each pair supports 100 ns dead-time programming |
| CSA_P/N, CSB_P/N | Differential current sense inputs | Accept shunt voltage signals for two motor phases; internal PGA gain configurable via register |
| LIN | LIN bus interface pin | Single-wire bidirectional communication node; integrates pull-up, slew rate control, and wake-up detection |
| VRx | Internal voltage regulator output | Provides regulated 5 V for external peripherals; 150 mA max load capability |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 3-phase gate driver stage | Eliminates need for 6 discrete gate drivers and associated level-shift circuitry |
| On-chip current sense amplifiers | Reduces BOM count by removing external op-amps and precision resistors for shunt sensing |
| LIN 2.2A physical layer | Enables direct integration into vehicle body networks without external transceiver IC |
| Dual independent watchdogs | Supports fail-safe motor shutdown when main CPU or peripheral logic hangs |
| Embedded voltage/temperature monitors | Provides real-time protection against overvoltage, undervoltage, and thermal runaway conditions |
Applications
| HVAC Blower Control | Electric Power Steering Assist |
|---|---|
Use Scenario: Variable-speed cabin air blower in passenger vehicles with LIN-based climate control. IC Role / Device Role / Timing Role: Main motor controller executing sensorless FOC, managing speed/torque via LIN commands, and providing thermal/current fault reporting. Use Value: Enables quiet, energy-efficient airflow with <5% speed ripple and full diagnostic coverage over LIN. | Use Scenario: Assist torque generation in column-assist EPS systems using 3-phase BLDC motor. IC Role / Device Role / Timing Role: Real-time motor commutation controller with torque demand decoding from CAN-to-LIN gateway, safety monitoring, and assist profile shaping. Use Value: Delivers responsive, smooth steering assist with ASIL-B fault handling and <100 µs torque command latency. |
| Engine Cooling Fan | Active Grille Shutter Actuator |
Use Scenario: Radiator cooling fan in ICE and hybrid powertrains, controlled via LIN from engine ECU. IC Role / Device Role / Timing Role: Closed-loop speed controller with PWM-driven fan actuation, thermal derating, and stall detection. Use Value: Achieves precise fan speed control across -40°C to 150°C ambient, reducing engine load and noise. | Use Scenario: Precision positioning of grille shutters for aerodynamic drag reduction and thermal management. IC Role / Device Role / Timing Role: Position-sensing motor driver with microstepping-capable commutation and end-stop detection. Use Value: Enables <±0.5° shutter angle accuracy and silent operation via optimized PWM frequency and current profiling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 3-phase BLDC motor control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STSPIN32F0601TR | Integrates 3-phase gate drivers and Cortex-M0+, but lacks LIN transceiver and ASIL-B safety features | Suitable for cost-sensitive industrial fans, not automotive LIN networks | Select when LIN interface and functional safety certification are not required |
| DRV3242QRTAT | Standalone 3-phase gate driver (no MCU, no LIN, no current sense amps); requires external microcontroller | Used in high-power (>500 W) automotive pumps where MCU is centralized | Select when system architecture separates control and power stages |
Compared with STSPIN32F0601TR and DRV3242QRTAT, the TLE9877QXA40XUMA1 uniquely combines MCU, gate drivers, LIN, and analog sensing in one ASIL-B-ready package - reducing board space by >40% and eliminating inter-IC timing skew in automotive motor nodes.
Availability
TLE9877QXA40XUMA1 is available at Aetrix Electronics and suitable for automotive HVAC blowers, electric power steering assist modules, and engine cooling fan systems requiring stable component supply across extended temperature and long lifecycle programs.
Supply support for TLE9877QXA40XUMA1 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 electronics, and security solutions, with global R&D and manufacturing infrastructure.
The TLE9877 belongs to Infineon's TLE98xx family of automotive motor control ICs, designed specifically for cost-optimized, single-chip BLDC solutions in ASIL-B automotive subsystems.
FAQ
What is the maximum motor phase current supported by the TLE9877QXA40XUMA1?
The TLE9877QXA40XUMA1 does not drive motor windings directly - it drives external N-channel MOSFETs. Its gate drivers support ±1 A peak output, enabling use with MOSFETs rated for continuous phase currents up to 30 A (depending on heatsinking, MOSFET RDS(on), and PCB layout). Thermal derating begins above 135 °C junction temperature.
Does the TLE9877QXA40XUMA1 require an external crystal oscillator?
No. The device uses an internal 150 MHz PLL clock derived from a factory-trimmed 16 MHz RC oscillator. An external crystal is optional and only needed if higher timing accuracy (<1% deviation) is required for LIN baud rate or ADC sampling synchronization.
Can the TLE9877QXA40XUMA1 operate without LIN communication enabled?
Yes. The LIN transceiver can be disabled in software, allowing standalone motor control via SPI or GPIO inputs. All motor control functions - including FOC execution, current sensing, and gate driving - remain fully operational without LIN bus activity or configuration.
How is functional safety implemented in the TLE9877QXA40XUMA1?
Functional safety is implemented via hardware-enforced mechanisms: lockstep Cortex-M3 core monitoring, memory CRC/BIST, voltage/temperature watchdogs, and a dedicated fault collection register. These features enable ASIL-B compliance when used with Infineon's SafeT90 software library and proper system-level partitioning per ISO 26262 Part 5.
TLE9877QXA40XUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 48-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Applications:
- -
- Core Processor:
- ARM® Cortex®-M3
- Program Memory Type:
- FLASH (64kB)
- Controller Series:
- -
- RAM Size:
- 6K x 8
- Interface:
- LIN, SSI, UART
- Number of I/O:
- 10
- Voltage - Supply:
- 5.5V ~ 28V
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-VQFN-48-31
TLE9877QXA40XUMA1 FAQ
1.How can I place an order for TLE9877QXA40XUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLE9877QXA40XUMA1 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 TLE9877QXA40XUMA1 reliable?
The price and inventory of TLE9877QXA40XUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE9877QXA40XUMA1 is usually 5 days.
3.What payment methods are accepted for TLE9877QXA40XUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE9877QXA40XUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLE9877QXA40XUMA1?
TLE9877QXA40XUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLE9877QXA40XUMA1 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 TLE9877QXA40XUMA1?
For technical support, including TLE9877QXA40XUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE9877QXA40XUMA1 requirements.
6.How does Aetrix verify that TLE9877QXA40XUMA1 is sourced from the original manufacturer or authorized distributors?
All TLE9877QXA40XUMA1 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 TLE9877QXA40XUMA1 meets industry standards.
7.What is the process for return or replacement of TLE9877QXA40XUMA1?
All TLE9877QXA40XUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE9877QXA40XUMA1, 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 TLE9877QXA40XUMA1 part is unused and in its original packaging.
Return procedure for TLE9877QXA40XUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLE9877QXA40XUMA1 Tags
-
CYPD3175-24LQXQ
Infineon Technologies
-
SLB9672VU20FW1523XTMA1
Infineon Technologies
-
SLB9670VQ20FW785XTMA1
Infineon Technologies
-
SLB9672XU20FW1523XTMA1
Infineon Technologies
-
SLB9673XU20FW2613XTMA1
Infineon Technologies
-
CYPD3125-40LQXIT
Infineon Technologies
-
AT97SC3204-U2A1A-20
Microchip Technology
-
AT97SC3204-U2A1A-10
Microchip Technology
-
SLM9670AQ20FW1311XTMA1
Infineon Technologies
-
SLB9672XU20FW1613XTMA1
Infineon Technologies
-
SLB9672AU20FW1613XTMA1
Infineon Technologies
-
SLB9673AU20FW2613XTMA1
Infineon Technologies
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