Infineon provides a recommended PCB layout in the application note AN215 'Layout Recommendations for TLE4964-5M' which includes guidelines for component placement, routing, and thermal management.
The thermal shutdown feature is activated when the junction temperature exceeds 170°C. To handle this, ensure proper heat sinking, reduce power dissipation, and implement a thermal monitoring and shutdown mechanism in your system design.
Although the datasheet specifies a maximum VCC voltage of 5.5V, it's recommended to limit the voltage to 5V to ensure reliable operation and prevent damage to the device.
The TLE4964-5M is rated for operation up to 150°C. However, for high-temperature applications, consider using the TLE4964-5M-HT variant, which is specifically designed for operation up to 175°C.
Start by checking the power supply, ensuring proper voltage and current supply. Then, verify the correct configuration of the device, including the mode selection and output stage configuration. If issues persist, consult the application notes and contact Infineon's technical support for further assistance.
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