PROPRIETARY HYBRID METHOD COMBINES BOTH AVERAGE AND PEAK-MODE CONTROL METHODS
Analog IC - Other Type:
POWER FACTOR CONTROLLER
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
18 V
Input Voltage-Min:
11 V
Input Voltage-Nom:
12 V
JESD-30 Code:
R-PDSO-G16
JESD-609 Code:
e4
Length:
9.9 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Terminals:
16
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
SOP
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
1.75 mm
Supply Current-Max (Isup):
8 mA
Supply Voltage-Max (Vsup):
18 V
Supply Voltage-Nom (Vsup):
12 V
Surface Mount:
YES
Switcher Configuration:
BOOST
Switching Frequency-Max:
100 kHz
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
1.27 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
3.9 mm
UCC29950D Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the UCC29950D evaluation module (EVM) user's guide, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
The input capacitor selection depends on the input voltage, current, and frequency. A general guideline is to choose a capacitor with a voltage rating at least 1.5 times the maximum input voltage, and a capacitance value that ensures the desired ripple voltage and current. TI recommends using a low-ESR capacitor with a capacitance value between 10uF to 100uF.
The UCC29950D has an operating temperature range of -40°C to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. It's essential to ensure proper thermal management, such as using a heat sink or thermal pad, to maintain a safe operating temperature.
Yes, the UCC29950D is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive grade and is manufactured using a high-reliability process. However, it's essential to follow the recommended design and testing guidelines to ensure the device meets the specific application requirements.
TI provides a troubleshooting guide in the UCC29950D datasheet, which includes steps to identify and resolve common issues. Additionally, the TI E2E community forum and technical support team can provide further assistance and guidance.
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UCC29950D 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.
