ALSO OPERATES IN ADJUSTABLE MODE FROM 0.7V TO 4.5V; ALSO HAS OUTPUT OF 5V
Analog IC - Other Type:
DUAL SWITCHING CONTROLLER
Control Mode:
VOLTAGE-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
28 V
Input Voltage-Min:
5.5 V
Input Voltage-Nom:
12 V
JESD-30 Code:
S-PQCC-N32
JESD-609 Code:
e4
Length:
5 mm
Moisture Sensitivity Level:
2
Number of Functions:
1
Number of Outputs:
2
Number of Terminals:
32
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
20 A
Output Voltage-Max:
5.9 V
Output Voltage-Min:
0.7 V
Output Voltage-Nom:
3.3 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
HVQCCN
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
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
500 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:
5 mm
TPS51427RHBR Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general high-frequency layout guidelines, such as keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths.
The selection of input and output capacitors depends on the specific application requirements, such as ripple current, voltage rating, and ESR. TI recommends using X5R or X7R ceramic capacitors with a voltage rating of at least 1.5 times the input voltage. The output capacitor should be selected based on the output voltage and current requirements.
The TPS51427RHBR is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the device's power dissipation. It's recommended to follow the thermal design guidelines in the datasheet to ensure reliable operation.
The TPS51427RHBR has a built-in overcurrent protection feature that can be enabled by connecting the OC pin to a resistor and capacitor network. The resistor value determines the overcurrent threshold, and the capacitor value determines the blanking time. TI provides a detailed application note on implementing overcurrent protection with the TPS51427RHBR.
Yes, the TPS51427RHBR is qualified for automotive and high-reliability applications, and it meets the requirements of the AEC-Q100 standard. However, it's recommended to follow the specific requirements and guidelines for the target application, and to consult with TI's technical support team for any specific questions or concerns.
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TPS51427RHBR 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.
