• LM74800EVM-CD: LM74800-Q1 EVM abnormal current consumption when negative voltage is applied to OUT

  

  Vladimir Zhuk

  TI Thinks Resolved

  Part Number: LM74800EVM-CD Other Parts Discussed in Thread: LM74800-Q1 Hi, I'm evaluating the LM74800EVM-CD. I observed a behavior that I cannot explain from the datasheet. Test setup: Board: LM74800EVM-CD D2 was removed from the EVM before…

  • 7 days ago
  • Power management
  • Power management forum

• LM74800EVM-CD: Maximum load current ?

  

  PYTsai

  Part Number: LM74800EVM-CD Hi The EVM mentioned the Maximum load current is 5A May i know which portion of the circuit on EVM limit the out put current to 5A ?

  • 6 months ago
  • Power management
  • Power management forum

• LM74800EVM-CD: Sanity Check

  

  Scott

  Part Number: LM74800EVM-CD Tool/software: Hi all, I am trying to use the following LM74800 based cct to select between 1 of 4 sources to then feed a load. The system is meant to support input voltages from 9-30v. When powered and the mcu has selected…

  • 10 months ago
  • Power management
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• LM74800EVM-CD: LM74800QDRRRQ1 circuit operation

  

  Leo H

  Part Number: LM74800EVM-CD Tool/software: I have set the LM74800 controller to enable when PS_12Vout ~ 10.5V. I am seeing Q10 source voltage oscillating between 8-10.5V when U21 enabled even under 10-20A load. Is this expected? Shouldnt Q10 be fully enabled…

  • over 1 year ago
  • Power management
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• LM74800EVM-CD: Triple power supply muxing

  

  Leander Merbecks

  TI Thinks Resolved

  Part Number: LM74800EVM-CD Tool/software: Greetings everyone, this is my first post here so feel free to point out any mistakes. For a project I want to combine three power sources together. The switched power is high on the order of kW. These power…

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

• LM74800EVM-CD: Current Limit

  

  Alison Sinclair

  Resolved

  Part Number: LM74800EVM-CD In the reference manual for the LM74800EVM-CD on the schematic it says the current limit is 5A. I see the current limit for Q1 is much higher than 5A so I was wondering what sets the current limit for the EVM?

  • Resolved

  • over 2 years ago
  • Power management
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• LM74800EVM-CD: Simulation Spice models for LM74800QDRRRQ1

  

  Mothinathan Loganathan

  TI Thinks Resolved

  Part Number: LM74800EVM-CD Tool/software: Hi TI Team, I am in requirement of SPICE Simulation models for LM74800QDRRRQ1. Please support. Thank you.

  • over 2 years ago
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• LM74800EVM-CD: LM74800-Q1

  

  Igor Takayanane

  TI Thinks Resolved

  Part Number: LM74800EVM-CD Other Parts Discussed in Thread: LM74800-Q1 Hello, I would like to have the uncrypted PSpice LM74800-Q1 file to do a EMC simulation. Could you send me the uncrypted PSpice file? Kind regards, Igor.

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

• LM74800EVM-CD: LM74800EVM-CD

  

  Federico

  Resolved

  Part Number: LM74800EVM-CD Other Parts Discussed in Thread: LM74800-Q1 I am testing the functionality of the LM74800 driver using the LM74800EVM-CD evaluation board. My setup has the jump inserted in: J5 -> 1-2 Enables by connecting to VIN J6 -> 2…

  • Resolved

  • over 4 years ago
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• LM74800EVM-CD: LM74800-Q1 Spice model not working in LTSpice

  

  Viktor Subotin

  Part Number: LM74800EVM-CD After Importing the model LM74800-Q1 PSPICE Transient Model into LTSpice I see this error (pic attached) Looks like the model is encrypted. Please provide an unencrypted one to proceed with the simulation. Thank you Viktor S…

  • over 2 years ago
  • Power management
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