• LMQ61460: VCC overshot during start up

  

  Ruixin Feng

  TI Thinks Resolved

  Part Number: LMQ61460 Hi team, customer use LMQ61460 and found during start up, VCC pin will have overshoot to 5.16V as below capture shown. Is this normal for LMQ61460? is there any method to optimize it? thanks!

  • 18 days ago
  • Power management
  • Power management forum

• LMQ61460: LMQ61460: Input filter capacitor question followup

  

  Madis Reivik

  TI Thinks Resolved

  Part Number: LMQ61460 Tool/software: Hello again ! I wask asking about why TI online tool recommends tantalum w series resistance, the reason was damping Is there a reason I cant use ceramic cap with series resistance for the same function …

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

• LMQ61460-Q1: Can LMQ61460-Q1 be used in Stack mode?

  

  Leo Ma

  Resolved

  Part Number: LMQ61460-Q1 Other Parts Discussed in Thread: TPS62870-Q1 Tool/software: Hi Expert, Have a nice day! Can LMQ61460-Q1 be used in Stack mode? Thanks! Best Regards, Leo Ma

  • Resolved

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

• LMQ61460: How to check the power dissipation of LMQ61460

  

  Grady Lee

  Resolved

  Part Number: LMQ61460 Tool/software: Hi, TI expert The datasheet of LMQ61460 does not indicate the power dissipation. Can you explain how to check the power dissipation of LMQ61460? Please check. Thanks

  • Resolved

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

• LMQ61460-Q1: Incorrect webench layout

  

  Heinrich le Roux

  TI Thinks Resolved

  Part Number: LMQ61460-Q1 Other Parts Discussed in Thread: LMQ61460 Tool/software: When designing a DC-DC convertion schematic using the LMQ61460AFSQRJRRQ1 the Cinx on webench (CIN_HF1 on the datasheet of the LMQ61460) is placed in such a way that PGND1…

  • 7 months ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum
Answered

• LMQ61460-Q1: Fixed Vout 5V or 3.3V when FB is connected to Vout

  

  Kenneth Lee

  Resolved

  Part Number: LMQ61460-Q1 Hello Team, I can't find below OPN has which fixed output voltage in the datasheet. Is it 3.3V or 5.0V when FB is connected to Vout? LMQ61460AASQRJRRQ1 LMQ61460AFSQRJRRQ1

  • Resolved

  • 1 month ago
  • Power management
  • Power management forum

• LMQ61460: Supply rise time at different load condition

  

  Amit Gade

  TI Thinks Resolved

  Part Number: LMQ61460 Other Parts Discussed in Thread: TPSM63603EVM Tool/software: Hello Team, We have requirement of +5V and -5V power supply for our design as per below specifications. Input voltage = 12V-24V Output voltage 1 = +5V 4A Output…

  • 10 months ago
  • Power management
  • Power management forum

• LMQ61460: Input filter capacitor question

  

  Madis Reivik

  TI Thinks Resolved

  Part Number: LMQ61460 Tool/software: Hello ! Power Designer designed a buck converter with input filter. What makes me suspicious is the input filter capacitors. There is one tantalum with series resistor and then couple ceramic caps without any…

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

• LMQ61460: LMQ61460AFSQRJRRQ1 availability in the market

  

  Wenhui Liu

  Resolved

  Part Number: LMQ61460 Other Parts Discussed in Thread: INA293 Tool/software: Is LMQ61460AFSQRJRRQ1 recommended for new design? Is there a risk it will becomes obsolete soon? Thanks,

  • Resolved

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

• LMQ61460: Is LMQ61460AASRJRR with 'Spread spectrum' feature?

  

  Wenhui Liu

  Resolved

  Part Number: LMQ61460 Tool/software: Is LMQ61460AASRJRR equipped with 'Spread spectrum' feature? If yes, what is the frequency range of spreading? Thanks, Wenhui wenhui@xscapephotonics.com

  • Resolved

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

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