• TPS4H000-Q1: Loss-to-GND protection

  

  Peter Xu

  TI Thinks Resolved

  Part Number: TPS4H000-Q1 Tool/software: Hi team, I know we have loss-to-GND protection in this device. Customer wants to know the principle of loss-to-GND protection. Can you share some material with us? Does it judge by voltage signal? Regards, Pet…

  • 27 days ago
  • Power management
  • Power management forum

• TPS4H000-Q1: Temperature rise problem

  

  Peter Xu

  TI Thinks Resolved

  Part Number: TPS4H000-Q1 Tool/software: Hi team, My customer tested 70 degree Celsius temperature rise. It is abnormal. I do not have any waveform now. Can you tell me what waveforms and materials you need to check? Voltage: 13.5V Current: 300mA They…

  • 1 month ago
  • Power management
  • Power management forum

• TPS4H000-Q1: switching frequency - what is the max PWM input?

  

  Josh Wei

  TI Thinks Resolved

  Part Number: TPS4H000-Q1 Tool/software: Hi team, My question is shown in title. Thanks! Josh

  • 27 days ago
  • Power management
  • Power management forum
Answered

• TPS4H000-Q1: Current Capability Confirmation

  

  Evan Wang

  Resolved

  Part Number: TPS4H000-Q1 Tool/software: Hi Team, Just want to make sure my understanding is correct. The below 0.75A from TPS4H000-Q1 datasheet refer to the current capability of " EACH " channel? I believe the below 1A-1.6A current limit also…

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum
Answered

• TPS4H000-Q1: Short to Vs

  

  Ivy Jin

  Resolved

  Part Number: TPS4H000-Q1 Tool/software: Hi Team, If the TPS4H000-Q1 is not been powered up, but the OUT pin short to the VS=20-30V. Is it any risk and break the IC? The currents when the Vs=13V/18V/32V are shown as below. The maximum current will reach…

  • Resolved

  • 4 months ago
  • Power management
  • Power management forum

• TPS4H000-Q1: what is the oscillator frequency inside, I faced EMI issue for observing 5.4MHz CE issue

  

  Josh Wei

  Part Number: TPS4H000-Q1 Tool/software: Hi team! My customer tested this TPS4H000 and faced EMI issue for 5.4MHz CE. When they power off this HSS, the issue will disappear. Is this problem caused by Oscillator? I have sent the recommendation from the…

  • 3 months ago
  • Power management
  • Power management forum
Answered

• TPS4H000-Q1: current detection problem

  

  Peter Xu

  Resolved

  Part Number: TPS4H000-Q1 Hi team, Customer wants to use TPS4H000-Q1 to drive LEDs. The output voltage is 1.5-30mA. They have three questions about our device: 1. Can it support 1.5mA current detection? There is small difference between 1.5mA and no load…

  • Resolved

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

• TPS4H000-Q1: Result of PSpice simulation is not proper

  

  Gokul Kasilingam

  Resolved

  Part Number: TPS4H000-Q1 Tool/software: Hi, I have a problem in simulating the below circuit. Someone help me to identify the error in the schematic. where yellow is out1 and green is IN1. Thanks in advance. Regards, Gokul Kasilingam

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

• TPS4H000-Q1: schematic design review

  

  shiyu ni

  TI Thinks Resolved

  Part Number: TPS4H000-Q1 Hello, We have used TPS4H000 part in our schematic design. We hope Ti can help us review our TPS4H000 schematic design. Thanks Br Frank

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

• TPS4H000-Q1: Pin Number and Pin Designation mismatch in PSpice and Datasheet

  

  Gokul Kasilingam

  Resolved

  Part Number: TPS4H000-Q1 Tool/software: Hi, TPS4H000-Q1 Version A Datasheet: PSpice: Regards, Gokul Kasilingam

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

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