All Questions
Tagged with buck-boost texas-instruments
8
questions
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TI synchronous buck converter went up in smoke, where do i start?
I’m using a TPSM63606RDLR power module device. Everything looked perfect for multiple days, but yesterday it started smoking. I did move the PCB and there are some LED strips connected externally to ...
1
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3
answers
116
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Boost converter gets hot
I'm building a LCD backlight power supply boosting 5 V to 12 V.
The max current draw from the panel is 12 V 0.4 A.
I am using LMR60214. But the IC is getting hot to touch at full brightness.
I am ...
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0
answers
2k
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Optimizations for LM2596, Positive and Negative Voltage
I'm working with the LM2596 to get a positive and negative voltage using two separate IC for each. I'm having trouble optimizing them for a 1 A load. I followed along with TI's WEBBENCH designer to ...
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229
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bode plot of LM3481 as boost converter
I have simulated an open loop boost converter using LM3481 average model, given by texas instruments and I got a very strange bode plot (More precisely, strage phase response), please can you tell me ...
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1
answer
500
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Ramp compensation for UC1843 and UCC38C44
When we pick up the datasheets of UC1843B-SP and UCC38C44, we notice that they have the same functional block diagram, specially the PWM generator circuit (Error amplifier, current sensing PIN and the ...
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1
answer
189
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Buck/Boost converter TPS63070RNMT is not working properly
I am working on a Buck/Boost converter design which is based on Buck/Boost converter TPS63070RNMT. Below is the schematic design. All the selected components are as per the Section 9 of the datasheet.
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1
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0
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286
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Buck/Boost Regulator Problems (TPS63070)
Questions:
1.) Why do input voltages of 9v and higher cause the regulator to output voltages in the range of 1.2v to 2.0v instead of the configured 3.4v if a load is connected to the output when 9v ...
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Why does this buck boost with dual MOSFETs fails output at certain input voltages at light load?
Buck boost design
A buck boost converter for 11A 45V output and 33.0-55.0V input has been designed using the Webench Power Designer. The LM5176 based PCB design was adapted for dual MOSFETs (4 times 2 ...