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):
4 mA
Supply Voltage-Max (Vsup):
22 V
Supply Voltage-Min (Vsup):
10.8 V
Supply Voltage-Nom (Vsup):
12 V
Surface Mount:
YES
Technology:
BICMOS
Temperature Grade:
OTHER
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
0.5 mm
Terminal Position:
DUAL
Threshold Voltage-Nom:
+4.7V
Time@Peak Reflow Temperature-Max (s):
30
Width:
6.1 mm
TPS65231A2DCA Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended layout and placement guide in the TPS65231A2DCA datasheet, which includes guidelines for component placement, thermal vias, and PCB layer stackup. Additionally, TI recommends following the guidelines in the 'TPS65231A2DCA Layout and Placement Guidelines' application note (SLVAE04).
The TPS65231A2DCA output voltage can be configured using the VSEL pins. The VSEL pins are used to select one of the four possible output voltage settings (0.9V, 1.2V, 1.5V, or 1.8V). The specific configuration is determined by the VSEL pin connections to GND or VIN. Refer to the datasheet for the VSEL pin configuration table.
The TPS65231A2DCA can handle a maximum input voltage of 5.5V. Exceeding this voltage may damage the device. It's essential to ensure that the input voltage remains within the recommended operating range to maintain device reliability and performance.
The TPS65231A2DCA has a built-in overcurrent protection (OCP) feature. The OCP threshold is set internally and is typically around 3.5A. When the output current exceeds this threshold, the device will limit the output current to prevent damage. To implement OCP, connect a sense resistor (RSENSE) between the output pin and GND, and adjust the sense resistor value according to the desired OCP threshold.
The TPS65231A2DCA has a thermal shutdown feature that activates when the device junction temperature exceeds 150°C. When the device temperature cools down to 130°C, the thermal shutdown is reset, and the device resumes normal operation.
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TPS65231A2DCA 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.
