• LM3478: Inquiry about POS Boost using LM3478 and 24V I/O board - Potential Issue and Possible Adjustments

  

  SHH

  Part Number: LM3478 Hi Team, The POS boost uses the LM3478 in conjunction with the customer-supplied I/O board (24V). An abnormal sound is produced at 0A, which is currently believed to be caused by not entering CCM. During customer recent experiments…

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• LM3478: LM3478 3V to 40V Boost Converter

  

  Daniel Wagner

  Resolved

  Part Number: LM3478 Hello, Is it possible to design a 3V to 40V boost converter with an output power of 6W with the LM3478. I know it is a high duty cycle but is it possible? Greetings Daniel

  • Resolved

  • over 3 years ago
  • Power management
  • Power management forum

• LM3478Q-Q1: LM3478-q1

  

  Yuhao Wang

  TI Thinks Resolved

  Part Number: LM3478Q-Q1 Other Parts Discussed in Thread: LM3478 Hello, good day. Our customer have a problem : Does the lm3478 chip control the voltage loop and current loop together? For example, in this picture, during normal operation, if the input…

  • over 2 years ago
  • Power management
  • Power management forum

• LM3478: Temperature variations in VSENSE and VSL ratio

  

  Conor

  TI Thinks Resolved

  Part Number: LM3478 Other Parts Discussed in Thread: LM5155 Tool/software: Hi, Q1. I believe that the variation in V_SENSE and V_SL ratio described in the Electrical Characteristics of the data sheet is temperature dependent, is this correct? Also,…

  • over 1 year ago
  • Interface
  • Interface forum

• LM3478: Design review request

  

  Yasar Maheen Seenath

  TI Thinks Resolved

  Part Number: LM3478 Hello, Please help to review the design attached herewith with below mentioned power controllers. LM3478MM/NOPB TPS61236PRWLR TPS62865RQYR schematic_for_review_ti_LM3478.pdf

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• LM3478: mosfet and inductors overheating

  

  Ihor Ziuba

  Resolved

  Part Number: LM3478 Other Parts Discussed in Thread: LM5156 Greetings, I hope somebody could help me. I'm trying to design a SEPIC converter based on LM3478, with input voltage range 12-36V, and output 24V 2A. I'm calculated all relevant values of components…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum

• LM3478: The LM3478 is not working properly on heavy loads

  

  Nihar Joshi

  TI Thinks Resolved

  Part Number: LM3478 Other Parts Discussed in Thread: LM348 Hi, I am an embedded developer at Thornhill Medical, a company that makes life support devices for military applications. We are currently using the LM3478 IC on of our product as a Flyback…

  • over 3 years ago
  • Power management
  • Power management forum

• LM3478: unstable output when load changes

  

  kyohei suzuki

  Part Number: LM3478 Hi, In a booster circuit using lm3478 , The output oscillates when the load changes. Vin is +24V ,Vout is +80V and 0.3A . The circuit diagram and oscilloscope image are shown. Please give me advice to solve this problem. …

  • over 2 years ago
  • Power management
  • Power management forum

• LM3478: Heating issue

  

  sai prakash

  TI Thinks Resolved

  Part Number: LM3478 Hi, Good day, I am using LM3478 in buck boost config where my input range will be 10-15V and my output will be 12V and 2.5Amps max. In my current implementation the mosfet is heating and my whole board is heating for even for…

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• LM3478: LM3478 on LM3481-FLYBACKEVM

  

  Oba

  Resolved

  Part Number: LM3478 Other Parts Discussed in Thread: LM3481-FLYBACKEVM , LM3481 , LM5155 , LM5156 Hello, My customer wants to evaluate LM3478 for flyback topology. But we don't have any flyback EVM with LM3478. Then they think using LM3481-FLYBACKEVM…

  • Resolved

  • over 3 years ago
  • Power management
  • Power management forum

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