ALSO AVAILABLE VOUT= 5V; ADJ O/P VOLTAGE= 0.6V TO 55V
Analog IC - Other Type:
DUAL SWITCHING CONTROLLER
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
65 V
Input Voltage-Min:
3.5 V
Input Voltage-Nom:
12 V
JESD-30 Code:
S-PQCC-N40
Length:
6 mm
Number of Functions:
1
Number of Terminals:
40
Operating Temperature-Max:
150 °C
Operating Temperature-Min:
-40 °C
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
Screening Level:
AEC-Q100
Seated Height-Max:
0.9 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
2500 kHz
Technology:
BICMOS
Temperature Grade:
AUTOMOTIVE
Terminal Form:
NO LEAD
Terminal Pitch:
0.5 mm
Terminal Position:
QUAD
Width:
6 mm
PM5143QRWGTQ1 Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout and thermal management guide in their application notes (SLUA623 and SLUA624) and evaluation module documentation (PM5143QRWGTQ1EVM). It's essential to follow these guidelines to ensure optimal performance, thermal dissipation, and reduced electromagnetic interference (EMI).
The PM5143QRWGTQ1 is a highly configurable device. You can adjust the output voltage and current using external resistors and capacitors. Texas Instruments provides a configuration tool (Webench Power Designer) and application notes (SLUA625) to help you determine the optimal component values for your specific requirements.
To minimize EMI and noise, ensure proper PCB layout, use a solid ground plane, and add filtering components (e.g., ferrite beads, capacitors) as recommended in the datasheet and application notes. Additionally, consider using shielding, and follow good design practices for signal routing and decoupling.
The PM5143QRWGTQ1 has built-in overcurrent protection (OCP) and overvoltage protection (OVP). You can also implement external fault detection using the device's fault pins and monitoring the output voltage and current. Texas Instruments provides guidance on implementing these features in their application notes and evaluation module documentation.
The PM5143QRWGTQ1 has a maximum junction temperature (TJ) of 150°C. For high-temperature applications, you'll need to derate the device's performance using the thermal derating curves provided in the datasheet. Ensure proper thermal management, and consider using a heat sink or thermal interface material to reduce the junction temperature.
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PM5143QRWGTQ1 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.
