• UC2843AQ: Electrical : Impedance Measurement

  

  David barreto

  Part Number: UC2843AQ PCH 1758000-00-H_01 Board Version: 03-J Thu Dec 18 10:41:44 2025---------------------------------------- q92%nfet HAS FAILED Subtest: on Measured: 15.050m High Limit: 700.00m Low Limit: -500.00m Direct Current VOLTS Status: 2H…

  • 4 months ago
  • API solutions
  • API solutions Forum

• UC2843AQ: MTTF Doc for Functional Safety

  

  Brian Wang0928

  TI Thinks Resolved

  Part Number: UC2843AQ Tool/software: Customer would like to get MTTF calculation result or doc for the FuSa process on industrial application. Could team help on that with below parts ! Thanks. PART NO MFG PART 2510257914M…

  • 11 months ago
  • Power management
  • Power management forum
Answered

• UC2843AQ: UC2843AQD8RQ1 based boost converter output drops out at 0C temperature

  

  Sam

  Resolved

  Part Number: UC2843AQ Tool/software: Anyone has any insight on why the UC2843AQD8RQ1 output would drop out around 0 Celsius, but otherwise works fine at -20C and +55C?

  • Resolved

  • 9 months ago
  • Power management
  • Power management forum
Answered

• UC2843AQ: Simulation using Altium

  

  yehuda Mermelstein

  Resolved

  Part Number: UC2843AQ I am trying to simulate the device in an CDI, Capacitor Discharge Ignition, system, using Altium. Not successful, In addition I'm not sure how to select the correct *.ckt for the simulation Any help would be appreciated.…

  • Resolved

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

• UC2843AQ: UC2843AQ startup optimization

  

  5t34m

  Resolved

  Part Number: UC2843AQ Dear team, please support on following: tested UC2843AQ and preparing the schematics with "startup Circuite". We have following question: How to implement a faster start up time but keep power dissipation LOW on Rstart? Especially…

  • Resolved

  • over 6 years ago
  • Power management
  • Power management forum

• UC2843AQ: Not able to simulate part in LTspice using unencrypted spice subcircuit

  

  Patrick Henry

  TI Thinks Resolved

  Part Number: UC2843AQ Other Parts Discussed in Thread: UCC28C43 Hello, I am trying to use a UC2843AQ as a buck converter controller as shown in the picture attached below. Im able to open the spice document and create a symbol using the UCC28C43_STEADY…

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• UC2843AQ: About Recommended RT and CT for Oscillator Frequency

  

  Hide

  Resolved

  Part Number: UC2843AQ Hi Team, I have three questions. --------- [Q1] We would like to know the meaning of “RT > 5k” of equation. If we select less than 5kohm, what kind of problem is there? --------- [Q2] I understand that Recommended…

  • Resolved

  • over 6 years ago
  • Power management
  • Power management forum
Answered

• RE: TINA/Spice/UC2843AQ: DC/DC DCM Flyback converter power stage transfer function

  

  DavitKhudaverdyan

  Resolved

  Hey there, Simplis/SIMetrix has a good tutorial on how to install models here: www.simetrix.co.uk/.../000009.html Follow this tutorial to learn how to use our PSpice Models in Simplis/SIMetrix. Regards, Davit

  • over 8 years ago
  • Power management
  • Power management forum

• Compensation Design for UC2843AQ

  

  Paul Ferrara

  Other Parts Discussed in Thread: UC2843 , UC2843AQ Hello, I was looking for some insight to a best-practice feed-forward compensation loop design for the UC2843 series of PWM controllers. I'm using the UC2843AQ for an isolated DC boost circuit. The…

  • over 11 years ago
  • Power management
  • Power management forum
Answered

• RE: UC2843: UC2843AQD8R HBM info.

  

  Teng Feng

  Resolved

  Hi laisan, ESD ratings of UC2843AQ is as follows. LMV331QDBVRQ1 doesn't seem like the product of HVP-HPC. Please create a new thread about LMV331QDBVRQ1. Regards， Teng

  • over 7 years ago
  • Power management
  • Power management forum

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