The future of mobility will be dominated by electric vehicles (EVs) since this technology ensures that eco-friendly vehicles will be on our roads. However, the attractiveness of electromobility stands and falls with the batteries: maintaining the proper operating temperature for EV batteries is a critical component of the spread of EV across the world. If batteries are too hot, then the batteries will degrade faster, and safety becomes a concern. At lower temperatures, battery capacity and performance suffer. Therefore, thermal management of EVs are a key consideration for range, performance, lifetime and safety of EVs. Within the thermal management, smart actuators like water pumps, cooling fans, coolant & expansion valves and other actuators play a critical role to maintain the right temperature.
Infineon provides the key components in order to build the best cost-and-system-optimized smart actuator designs. The market for smart actuators is moving strongly towards small, mechatronic BLDC motor drive solutions and within that context, Infineon`s portfolio of MOTIX™ Embedded Power System-on-Chip motor drivers, Automotive MOSFET and Sensor portfolio is the right choice and state-of-the-art market integrated solution. Alternatively, if you require a solution for BLDC motor control applications which offer more computing power, AUTOSAR and embedded security functions (HSM, dual flash bank for OTA), we offer the TRAVEO™ II CYT2B6/ CYT2B7 microcontrollers with MOTIX™ BLDC Motor System IC TLE9563-3QX or TLE9564QX as a U-chip solution.
Reference Designs
1 kW engine cooling fan reference design powered by 12V vehicle battery
The reference design is an automotive 3-phase motor drive for engine cooling fan application using MOSFETs with a gatecharge > 100nC presents the current capability via the first worldwide integrated bridge driver capable to drive 1kW motors at 12V. The main components used in the reference are:
- • TLE9879QXW40: This device is a part of Embedded Power IC family and it is a single chip 3-phase motor driver, System-on-Chip (SoC) solution. It integrates an industry standard Arm® Cortex®-M3 core along with LIN transceiver, bridge driver and power supply, enabling the implementation of advanced motor control algorithms such as sensorless field-oriented control (FOC).
- • IAUA250N04S6N007: This is an OptiMOS™-6 40 V MOSFET in high-power leadless sTOLL package, providing higher current capability in smaller form factor of 7x8 mm2 without sacrificing thermal performance. In combination with OptiMOS™-6 40 V power MOS technology, sTOLL offers best in class power density and power efficiency at Infineon’s well known quality level for robust automotive packages.
The reference design is optimized in terms of EMC and thermal behaviour. Moreover, it includes comprehensive support material including layout and schematic files (Altium), EMC tests, thermal analysis and detailed documentation.
Take your design to the next level and fast-track your time-to-market with our 1 kW engine cooling fan reference design.
Auxiliary water pump reference design with Embedded Power IC
The REF_WATERPUMP100W is a reference design developed for 3-phase automotive auxiliary water pumps in the thermal management system. It features:
- • TLE9879QXW40: This device is a part of Embedded Power IC family and it is a single chip 3-phase motor driver, System-on-Chip (SoC) solution. It integrates an industry standard Arm® Cortex®-M3 core along with LIN transceiver, bridge driver and power supply, enabling the implementation of advanced motor control algorithms such as sensorless field-oriented control (FOC).
- • IAUC60N04S6N031H: This is a 40 V MOSFET in 5x6 SSO8 package, using Infineon´s leading OptiMOS™-6 technology. It offers cost efficiency for low and mid power drive applications. Moreover, it provides sizably reduced PCB size due to enhanced routing for bridge applications.
- • IPZ40N04S5-3R1: This component is an OptiMOS™ 5 40 V in S3O8 Package and it combines leading power MOSFET technology with 3.3 x 3.3 mm leadless power package for very compact and robust automotive system solutions. It is based on Infineon’s latest silicon automotive PowerMOS technology, optimized to meet and exceed the energy efficiency and power density requirements of automotive BLDC and H-bridge applications. In combination with Infineon’s robust S3O8 leadless package technology, it enables very small and efficient system designs with minimal RDS(on) down to 2.8 mΩ.
The reference design is optimized in terms of EMC and thermal behaviour. Moreover, it includes comprehensive support material including layout and schematic files (Altium), EMC tests, thermal analysis and detailed documentation.
Accelerate your development process and go to market faster with our 100 W auxiliary water pump reference design.
Featured Products
| Product Number | Datasheet |
| TLE9877QXA40 | Link |
| TLE9563-3QX | Link |
| BTN9970LV | Link |
| IAUC60N04S6N031H | Link |
Videos
- • Auxiliary water pump
- • Training: Automotive Thermal Management: Addressing key challenges with auxiliary pumps and fans
- • MOTIX™ Embedded Power ICs - Motor Control Applications
Resources
- 1. Sensorless Field Oriented Control with Embedded Power SoC
- 2. NovalithIC™ half-bridge family BTN89xx
- 3. How to control motor with Traveo II family
- 4. TLE987x/6x Hardware Design Guideline
- 5. FAQ Software AppNote MOTIX MCU
- 6. Application presentation
Cross selling products
| Product Number | Datasheet |
| CYT2B73CAE | Link |
| CYT2B63CAE | Link |
| TLE9879QXA40 | Link |
| IAUC60N04S6L030H | Link |
| IAUA250N04S6N007E | Link |
| TLE5501 | Link |
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