SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.2 mm
Supply Current-Max (Isup):
0.9 mA
Supply Voltage-Nom (Vsup):
3.3 V
Surface Mount:
YES
Switcher Configuration:
BOOST
Switching Frequency-Max:
2100 kHz
Technology:
CMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
4.4 mm
TPS65140PWPR Frequently Asked Questions (FAQs)
A good PCB layout for the TPS65140PWPR involves placing the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, the output voltage can be stabilized by adding a capacitor (e.g., 10uF) in parallel with the output resistor (RFB) and a small capacitor (e.g., 100nF) in parallel with the feedback resistor (RF).
The TPS65140PWPR can handle input voltages up to 18V, but it's recommended to operate within the specified input voltage range (4.5V to 15V) for optimal performance and reliability.
The TPS65140PWPR is rated for operation up to 125°C, but it's essential to consider the device's power dissipation and thermal management when operating in high-temperature environments. Ensure proper heat sinking and thermal design to prevent overheating.
To troubleshoot issues, start by verifying the PCB layout and component values against the recommended design. Check for proper input and output capacitor selection, and ensure the feedback network is correctly configured. Use an oscilloscope to monitor the output voltage and input current, and consult the datasheet and application notes for guidance.
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TPS65140PWPR 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.
