Description:• Fully integrated high-density isolated DC/DC
module with isolation transformer
• Isolated DC/DC for driving: IGBTs, SiC, and Si
MOSFETs
• Input voltage range: 21 V to 27 V with 32-V
absolute maximum
• 2.5-W output power at TA ≤ 85°C and 2.0-W output
power at TA ≤ 105°C
• Adjustable single or dual output voltages (using
resistors) with < ±1.3 % regulation accuracy over
full operating range
• Low electromagnetic emission with spread
spectrum modulation and integrated transformer
design
• Enabl
Texas Instruments provides a recommended PCB layout in the UCC15240QDWNRQ1 datasheet, which includes a thermal pad connected to a copper plane on the PCB to dissipate heat. Additionally, it is recommended to use a 2-layer or 4-layer PCB with a thermal relief pattern to minimize thermal resistance.
The input capacitor selection depends on the input voltage, output voltage, and output current requirements. A general guideline is to choose a capacitor with a voltage rating at least 1.5 times the maximum input voltage, and a capacitance value that ensures the input voltage ripple is within the recommended range (typically 1-10% of the input voltage).
The UCC15240QDWNRQ1 has an operating temperature range of -40°C to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. It is recommended to ensure the device operates within the specified temperature range to maintain reliability and performance.
Troubleshooting the UCC15240QDWNRQ1 involves checking the input voltage, output voltage, and output current, as well as the device's thermal performance. Use an oscilloscope to monitor the output voltage and current, and check for any signs of overheating, such as excessive temperature rise or thermal shutdown. Consult the datasheet and application notes for guidance on troubleshooting specific issues.
Yes, the UCC15240QDWNRQ1 is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard for automotive applications and is manufactured using a high-reliability process. However, it is recommended to consult with Texas Instruments and perform additional testing and validation to ensure the device meets the specific requirements of the application.
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UCC15240QDWNRQ1 Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
