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Helge Hoffmann
15 days ago
Power management
Power management forum
RE: LM5146-Q1-EVM12V: Differing oscilloscope curves measured compared to the User's Guide
Hi Tim, thanks a lot. We got the problem solved by calibrating the scope probe. The higher gate drive voltage of about 10V is ok as the 12V output is coupled to VCC by a diode. We now can continue with checking our own design. Thanks and...
Andy Chen
over 1 year ago
Power management
Power management forum
RE: LM5146-Q1-EVM12V: High frequency Carrier Generation Procedure
Hi Before IC was developed, discrete component was commonly used to generate waveform with freq over 100MHz like radio, TV or other communication equipment. Operation Amplifier is very flexible building block for many applications, you may check more...
Kaileh
6 months ago
Power management
Power management forum
LM5146-Q1: hot for no load
TI Thinks Resolved
Part Number: LM5146-Q1 Hi Sir We follow
LM5146-Q1-EVM12V
to design a daughter board But this daughter board is very hot for no load (reach to 70 degree) ,please kindly help to check this issue 0.05A efficiency : Daughter board is 20% ,EVM...
James Su5
over 1 year ago
Power management
Power management forum
LM5146-Q1-EVM12V: LM5146EVM Vcc voltage question
TI Thinks Resolved
Part Number:
LM5146-Q1-EVM12V
Datasheet page 8 VCC REGULATOR TYP 7.5V (MIN 7.3 and MAX 7.7V), But I got Vcc voltage is 10V at no load and 10A load, what’s happen ? B/R James
rajat sharma
over 1 year ago
Power management
Power management forum
LM5146-Q1-EVM12V: Over voltage protection at I/P & O/P
TI Thinks Resolved
Part Number:
LM5146-Q1-EVM12V
Is Over voltage protection at I/P side & O/P side is implemented in this evaluation board ? If available how I can use it .
Matthew Odinotski
over 1 year ago
Power management
Power management forum
LM5146-Q1-EVM12V: LM5146-Q1-EVM12V low side/ high side fets
Resolved
Part Number: LM5146 - Q1 - EVM12V Hello, It's not clear to me why Q1 and Q2 are 2 different N-Fets
Matthew Odinotski
over 2 years ago
Power management
Power management forum
LM5146-Q1-EVM12V: Are the Altium Design files available for this demo board?
Resolved
Part Number: LM5146 - Q1 - EVM12V Hello, are the Altium design files (Schematic, PCB layout, gerbers
Dinesh Gread2
1 month ago
Power management
Power management forum
LM5146-Q1: Buck Converter
TI Thinks Resolved
Part Number: LM5146-Q1 Hi Ti, I am using LM5146-Q1 for 225W converter i.e VIN 40-60V and Out 15V and 15Aamp. I have used high and low side mosfet in parallel. need suggesting what will be the gate resistance ? Do i need to use separate resistor...
Abhijeet Abhijeet1
8 days ago
Power management
Power management forum
LM5146-Q1: Input/Output transience
TI Thinks Resolved
Part Number: LM5146-Q1 Hi there I am facing an issue with the LM5146 buck. I am using it for a 58V to 12V 5A application. When the input of "58V" is given to the buck through a two pin connector, a huge transience is observed at buck input...
Dinar Talibullin1
4 months ago
Power management
Power management forum
LM5146-Q1: WEBENCH® Tools/LM5146-Q1:
TI Thinks Resolved
Part Number: LM5146-Q1 Hello. I have a problem with LM5146 controller on my board. It`s temperature is 100C! Vin=56V, Vout=12V, I load = 0.3A. Tell me please how can i fix that? I have attached schematic - i have generate it on ti webbench power constructor...
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