Infineon’s MOTIX™ TLE988x and TLE989x microcontrollers (MCUs) are advanced system-on-chip (SoC) solutions designed to optimize motor control in automotive applications. These MCUs integrate a 32-bit Arm® Cortex®-M3 processor, CAN-FD communication, and N-channel MOSFET drivers, offering compactness and efficiency for brushless DC (BLDC) and brushed DC motor control systems.
What Are the Key Features of the TLE988x/9x MCUs?
The TLE988x/9x MCUs combine several critical components into a single chip:
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Microcontroller: 32-bit Arm® Cortex®-M3 processor.
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Communication Interface: Integrated CAN-FD controller and transceiver.
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Motor Driver: N-channel MOSFET bridge driver (B4 for TLE988x, B6 for TLE989x).
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Analog Peripherals: Current sense amplifiers, temperature sensors, and analog-to-digital converters (ADC).
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Safety Features: Overtemperature protection, watchdog timer, and fail-safe mechanisms.
These features enable efficient and reliable motor control with reduced component count and board space.
How Do the TLE988x and TLE989x Differ?
The primary distinction between the TLE988x and TLE989x lies in the MOSFET driver configuration:
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TLE988x: Equipped with a B4 bridge driver, suitable for 2-phase motor applications.
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TLE989x: Features a B6 bridge driver, enabling 3-phase motor control.
This difference allows designers to select the appropriate MCU based on the specific motor configuration required for their application.
What Applications Benefit from the TLE988x/9x MCUs?
The TLE988x/9x MCUs are ideal for various automotive motor control applications, including:
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Body and Comfort Systems: Sunroofs, window lifts, and seat adjusters.
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Thermal Management: HVAC blowers and cooling fans.
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Powertrain: Electric pumps and auxiliary motors.
Their integration of key components reduces system complexity and enhances reliability in these applications.
How Do the TLE988x/9x MCUs Enhance Safety?
Safety is a critical aspect of automotive systems. The TLE988x/9x MCUs incorporate several safety features:
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ASIL-B Compliance: Meets Automotive Safety Integrity Level B requirements.
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Integrated Safety Mechanisms: Includes overtemperature protection, watchdog timer, and fail-safe shutdown.
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Diagnostic Capabilities: Provides error detection and reporting for enhanced system monitoring.
These features ensure that motor control systems operate safely under various conditions.
What Are the Benefits of Using the TLE988x/9x MCUs?
Utilizing the TLE988x/9x MCUs offers several advantages:
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Reduced Bill of Materials (BOM): Integration of multiple components lowers overall system cost.
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Compact Design: Small package sizes save board space.
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Improved Efficiency: Enhanced motor control algorithms optimize performance.
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Faster Time-to-Market: Pre-integrated solutions accelerate development cycles.
These benefits make the TLE988x/9x MCUs a compelling choice for automotive motor control applications.
Buying Tips for TLE988x/9x MCUs
When purchasing the TLE988x/9x MCUs, consider the following:
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Application Requirements: Choose between TLE988x (2-phase) and TLE989x (3-phase) based on your motor configuration.
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Package Type: Select the appropriate package (e.g., TQFP-48, LQFP-64) for your design.
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Qualification Grade: Ensure the MCU meets the necessary automotive qualification standards (e.g., AEC-Q100).
Fly-Wing Technology (HK) Co., Limited offers a reliable source for these components, providing competitive pricing and efficient sourcing solutions.
Electronic Components Expert Views
“The integration of critical components into a single chip not only reduces the complexity of motor control systems but also enhances their reliability and performance,” says an industry expert. “Infineon’s TLE988x/9x MCUs are a testament to the advancements in automotive electronics.”
FAQ
Q: What is the difference between TLE988x and TLE989x?
A: The TLE988x features a B4 bridge driver for 2-phase motors, while the TLE989x includes a B6 bridge driver for 3-phase motors.
Q: Are the TLE988x/9x MCUs automotive-grade?
A: Yes, they are AEC-Q100 qualified, ensuring suitability for automotive applications.
Q: What safety features are integrated into these MCUs?
A: They include overtemperature protection, watchdog timer, and fail-safe shutdown mechanisms.
Infineon’s MOTIX? TLE988x/9x MCUs: Bringing intelligence to motor control.
Infineon MOTIX? TLE988x/9x
Discover how Infineon’s MOTIX? MCU TLE988x/9x system-on-chip brings enhanced performance and faster communication to your project.
Exceptional Performance and Reliability
- Infineon’s MOTIX? MCU TLE988x/9x system-on-chip brings enhanced performance and faster communication to your project.
- Integrated processing: 32-bit Arm? Cortex?-M3 core at up to 60 MHz
- On-chip memory: up to 256 kB FLASH, up to 32 kB RAM
- Communication interface: On-chip CAN FD transceiver and controller (2 Mbps)
- Motor Control: Integrated 2- or 3- phase bridge driver with integrated charge pumps
- Reliability: Automotive qualified, ISO 26262 ASIL B compliant fail safe mechanism and error handling with safe switch off path for bridge driver
Optimized BOM and Footprint
- Industry’s smallest fully integrated motor control solution with CAN FD
- Available in two packages 9mm x 9mm TQFP-48 and 12mm x 12mm LQFP-64
Intelligent Motor Control
- Adaptive MOSFET Control to easily pass EMC testing, reduce power dissipation and provide predictable behavior
- Fail safe mechanism and error handling with safe switch-off path for bridge driver (ASIL B) (if this is not included in Section 2)
- 1x 12-bit ADC with 19 inputs and 1x 10-bit ADC with 14 inputs (lesson learned from TLE987x/6x – we need to tout the second set of A/D converters, they’re a differentiator)
- 1x low side shunt current sense amplifier and comparator
- 3x Back EMF comparators
For more information about Infineons MOTIX? MCU TLE988x/9x system-on-chip, visit Infineon.
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