ALSO OPERATES IN ADJUSTABLE MODE FROM 0.76V TO 5.5V; 4.8V TO 5.2V
Analog IC - Other Type:
DUAL SWITCHING CONTROLLER
Control Mode:
VOLTAGE-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
24 V
Input Voltage-Min:
4.5 V
Input Voltage-Nom:
5.5 V
JESD-30 Code:
S-PQCC-N24
JESD-609 Code:
e4
Length:
4 mm
Moisture Sensitivity Level:
2
Number of Functions:
1
Number of Outputs:
2
Number of Terminals:
24
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
15 A
Output Voltage-Max:
5.5 V
Output Voltage-Min:
0.76 V
Output Voltage-Nom:
5 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
HVQCCN
Package Equivalence Code:
LCC24,.16SQ,20
Package Shape:
SQUARE
Package Style:
CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1 mm
Supply Current-Max (Isup):
0.8 mA
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
350 kHz
Technology:
BICMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
NO LEAD
Terminal Pitch:
0.5 mm
Terminal Position:
QUAD
Time@Peak Reflow Temperature-Max (s):
30
Width:
4 mm
TPS53125RGET Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet (Figure 23) and in the TPS53125RGET Evaluation Module User's Guide (SLUU444). It's essential to follow these guidelines to minimize noise, ensure proper thermal performance, and optimize the device's operation.
The input capacitor values depend on the input voltage, output voltage, and desired output ripple. TI provides a capacitor selection guide in the datasheet (Section 8.2.2.1) and in the TPS53125RGET Calculator Tool (SWRA464). Use these resources to determine the optimal input capacitor values for your specific application.
The TPS53125RGET can deliver up to 2.5 A of output current. However, the maximum output current is dependent on the input voltage, output voltage, and thermal conditions. Be sure to check the device's thermal performance and derate the output current accordingly to ensure reliable operation.
The TPS53125RGET has built-in OCP and SCP features. To implement these features, connect the OCP pin to a resistor divider network that sets the desired current limit. For SCP, connect the SCP pin to a resistor that sets the desired short-circuit detection threshold. Refer to the datasheet (Section 8.3.6) for more information.
Proper thermal management is crucial for the TPS53125RGET. Use a thermal pad or thermal interface material (TIM) to improve heat transfer between the device and the PCB. Ensure good airflow around the device, and consider using a heat sink or thermal vias to dissipate heat. Monitor the device's junction temperature (TJ) to prevent overheating.
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TPS53125RGET 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.
