OPERATES IN ADJUSTABLE MODE FROM 0.9 TO 11V, ALSO HAS CONTROL TECHNIQUE OF PFM
Analog IC - Other Type:
DUAL SWITCHING CONTROLLER
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
40 V
Input Voltage-Min:
4 V
Input Voltage-Nom:
13 V
JESD-30 Code:
R-PDSO-G38
JESD-609 Code:
e4
Length:
12.5 mm
Moisture Sensitivity Level:
3
Number of Functions:
1
Number of Outputs:
2
Number of Terminals:
38
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
6 A
Output Voltage-Max:
11 V
Output Voltage-Min:
0.9 V
Output Voltage-Nom:
5.8 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
HTSSOP
Package Equivalence Code:
TSSOP38,.32
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Screening Level:
AEC-Q100
Seated Height-Max:
1.2 mm
Surface Mount:
YES
Switcher Configuration:
PHASE-SHIFT
Switching Frequency-Max:
600 kHz
Technology:
BICMOS
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
6.1 mm
TPS43351QDAPRQ1 Frequently Asked Questions (FAQs)
A good thermal design should include a solid ground plane, thermal vias under the device, and a heat sink if possible. The datasheet provides some guidelines, but a more detailed application note (SLUA623) is available from TI that provides additional guidance.
The datasheet provides a general guideline for compensation, but the optimal values may vary depending on the specific application. TI provides a compensation tool (TPS43351 Compensation Tool) that can help engineers design a stable compensation network for their specific use case.
Operating the device outside the recommended input voltage range may affect its performance, efficiency, and reliability. While the device may still function, it may not meet the specified performance characteristics, and the reliability may be compromised. It's recommended to operate the device within the specified input voltage range for optimal performance and reliability.
To ensure EMC, follow proper PCB layout and design practices, such as using a solid ground plane, minimizing loop areas, and using shielding if necessary. Additionally, consider using filters or common-mode chokes to reduce electromagnetic interference (EMI). TI provides an application note (SLAA701) that provides more detailed guidance on EMC design considerations.
The device has a maximum junction temperature (TJ) of 150°C. To ensure reliable operation, ensure that the device is operated within the specified temperature range, and that the thermal design is adequate to dissipate the heat generated by the device. A good thermal design, including a heat sink if necessary, can help prevent overheating and ensure reliable operation.
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TPS43351QDAPRQ1 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.
