• LM25143-Q1: LM25143 spice models- Unencripted

  

  Chakrapani Nandyala

  TI Thinks Resolved

  Part Number: LM25143-Q1 Other Parts Discussed in Thread: LM25143 Dear concern, we would like to use the LM25143 spice model in LT spice and also in CST Design studio suite. Could you please provide un-encripted model which can be used in cst and LT…

  • 2 months ago
  • Power management
  • Power management forum
Answered

• LM25143-Q1: LM25143-VCCX function

  

  rocky rocky

  Resolved

  Part Number: LM25143-Q1 Other Parts Discussed in Thread: LM25143 Hi, TI team: could you tell me can VCCX - 6pin connect GND? if we connect VCCX with GND, LM25143 internal VCC regulator is enabled?

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

• LM25143: LM25143 output ripple voltage

  

  rocky rocky

  Part Number: LM25143 Hi, TI team: We noticed when the LM25143 output current is small and the ripple voltage is low, and the current is big, and the ripple voltage is high, please see my picture: small current: ripple voltage is 32mV big current…

  • 6 months ago
  • Power management
  • Power management forum
Answered

• LM25143: LM25143 loop stability

  

  rocky rocky

  Resolved

  Part Number: LM25143 Hi, TI team: Please check my LM25143 SCH, the output(VREG_PMIC_IN_3V3) doesn't have feedback circuit, could you tell me how to test loop stability? My colleagues said I can soldering R3627,R3639,R3328, remove R3327 to test loop…

  • Resolved

  • 8 months ago
  • Power management
  • Power management forum
Answered

• LM25143-Q1: LM25143-VCCX pin

  

  rocky rocky

  Resolved

  Part Number: LM25143-Q1 Hi, TI team: Could we can connect VCCX-6pin with GND? If VCCX connect with GND, VCCX is internally connected to VCC and the internal VCC regulator is disabled. it is right?

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum
Answered

• LM25143-Q1: LM25143-VCCX pin

  

  rocky rocky

  Resolved

  Part Number: LM25143-Q1 Hi, TI team: Could we can connect VCCX-6pin with GND? If VCCX connect with GND, VCCX is internally connected to VCC and the internal VCC regulator is disabled. it is right?

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

• LM25143-Q1: LM25143 Design Problem Consultation

  

  Vayne Li

  Part Number: LM25143-Q1 Other Parts Discussed in Thread: LM25143 Hi Teams, The customer is currently experiencing a power issue with the LM25143 design, as shown in the attached configuration. There are two outputs, one is 5V and the other is 19V. The…

  • 8 months ago
  • Power management
  • Power management forum

• LM25143-Q1: sch review

  

  Charles (KAT) Zhang

  Part Number: LM25143-Q1 Other Parts Discussed in Thread: LM25143 Dear team, Could you help to review customer LM25143 sch in ADAS L3 application? VERG_PMIC_IN_5V0.pdf Thank you Charles

  • 28 days ago
  • Power management
  • Power management forum

• LM25143-Q1: LM25143-Q1 Buck power-up sequence when it used as primary power block

  

  xiangling ye

  TI Thinks Resolved

  Part Number: LM25143-Q1 Other Parts Discussed in Thread: LM25143 Hello TI team, I'm using an LM25143-Q1 chip as the primary DC-DC power supply output at 3.3V. When testing the power-on sequence, I noticed a 1.6V drop in the LM25143-Q1 output before…

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

• LM25143: Positive to negative converter

  

  Masashi Mineda

  Resolved

  Part Number: LM25143 Other Parts Discussed in Thread: LM25137 , LMG2100R026 , LM25149 Dear Sirs and Madams, We are considering using the LM25143 for a positive-to-negative converter. The required power supply specifications are as follows: Vin …

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum

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