SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
1 mm
Supply Current-Max:
4.6 mA
Supply Voltage-Max:
65 V
Supply Voltage-Min:
4.5 V
Supply Voltage-Nom:
5 V
Supply Voltage1-Max:
65 V
Supply Voltage1-Min:
4.5 V
Supply Voltage1-Nom:
5 V
Surface Mount:
YES
Technology:
BICMOS
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
NO LEAD
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Width:
3 mm
fmax-Min:
0.156 MHz
TPS922055DMTR Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the TPS922055DMTR evaluation module documentation, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure optimal performance.
The input capacitor selection depends on the input voltage, output voltage, and output current. A general guideline is to choose a capacitor with a voltage rating of at least 1.5 times the input voltage, and a capacitance value between 10uF to 22uF. Additionally, consider the capacitor's ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance) to ensure it can handle the switching frequency and output current.
The TPS922055DMTR has a maximum ambient temperature rating of 85°C, but it's essential to consider the device's thermal derating curve to ensure reliable operation. The device's junction temperature (TJ) should not exceed 125°C, and the thermal resistance (θJA) should be minimized through proper PCB design and thermal management.
The TPS922055DMTR is an automotive-qualified device, meeting the AEC-Q100 standard. However, it's crucial to review the device's qualification data, reliability reports, and Texas Instruments' automotive qualification process to ensure it meets the specific requirements of your application.
To troubleshoot output voltage regulation issues, start by verifying the input voltage, output voltage, and output current. Check the device's feedback loop, ensuring the feedback resistors are correctly connected and the feedback voltage is within the specified range. Also, review the PCB layout to ensure proper routing and decoupling of the output voltage.
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TPS922055DMTR 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.
