• TPS62050: TPS62050DGSR Cin电容问题

  

  ken chen

  TI Thinks Resolved

  Part Number: TPS62050 Hi Ti Team ， 1 、 tps62050 的 Cin 电容，也就是 Vin 脚的输入电容规格有特别要求规定吗？是否一定要和规格书中参考设计参数一样，一定要 10uF 下芯片才能更好工作呢？如果更改这个容值参数是否可行，如改为 20uF… 呢？请给些建议？谢谢。 2 、目前客户终端反馈，锂电池给 tps62050 供电，在 Vin 脚输入电容 Cin 在 20uF 时，电池电量会出现下降很快，经测试有 1000uA 的待机电流；但是在 Cin…

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

• TPS62050: internal Power MosFET

  

  Yuto Kitamura

  Resolved

  Part Number: TPS62050 Other Parts Discussed in Thread: TPS62051 , TPS62061 Hi team, I got a simple question. Are there any difference about electrical specifications on the internal Power MOSFET between TPS62050 and 62051? And between TPS62050…

  • Resolved

  • over 4 years ago
  • Power management
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• TPS62050: TPS62050

  

  Rune Jacobsen

  TI Thinks Resolved

  Part Number: TPS62050 Dear Sir, I am designing an instrument that will use the TPS62050 to step down the voltage from 4 AA cells to 3.3V. The max current will be around 400 mA. Now, to ensure the safety of the instrument in case of failure, I ma considering…

  • over 6 years ago
  • Power management
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• TPS62050: “Temperature drift characteristics” of the 0.5V feedback voltage

  

  Shawn_Wang

  TI Thinks Resolved

  Part Number: TPS62050 Hi team My customer wants to know the “Temperature drift characteristics” of the 0.5V feedback voltage, could you help check it? I only find ±3% tolerance in the D/S, but I am not sure if it is for the whole temperature range…

  • over 4 years ago
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• TPS62050: TI solution suggestion

  

  Jimmy Lai

  TI Thinks Resolved

  Part Number: TPS62050 Other Parts Discussed in Thread: TPS62903 , TPS62901 Dear Team, Do we have any suggestion can meet these spec as below? Vin:5-10V output:3.9V@400mA and 3.3V@600mA Iq lower than 1uA is better Many Thanks, Jimmy

  • over 4 years ago
  • Power management
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Answered

• TPS62050: Power Good Threshold

  

  Michael Balourdas

  Resolved

  Part Number: TPS62050 Hello, In the TPS62050 datasheet I see three different values for the PG threshold, can you clarify which is correct? Thanks, Michael

  • Resolved

  • over 5 years ago
  • Power management
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• TPS62050: maximum output capacitor of TPS62050

  

  Yangbo

  TI Thinks Resolved

  Part Number: TPS62050 Other Parts Discussed in Thread: TPS62745 Team, My customer is using TPS62050 in their design. And they will add a supcap(0.47F-1.5F) at the output of TPS62050. Does that will cause any problems? Here is the schematic.

  • over 7 years ago
  • Power management
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• RE: TPS62050: Power On Issue

  

  Martin Hu57

  Morning John, Thanks for the feedback. On this design, there are three TPS62050 chips to connect the USB_Perm_Power,and I have tested that two other TPS62050 ICs also show this issue when I increased the R215 to 470R and dropped the USB input voltage…

  • over 5 years ago
  • Power management
  • Power management forum
Answered

• TPS62050: Output capacitor, is 15uF possible?

  

  Rune Jacobsen

  Resolved

  Part Number: TPS62050 Dear TI expert, I am using the TPS62050 to step down the voltage from 4AA batteries to 3.3V. I am using a 15uF ceramic input capacitor and currently a 22uF output capacitor. The inductor is 10uH. I am however considering if it…

  • Resolved

  • over 6 years ago
  • Power management
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• TPS62050: TPS62050DGS output ripple issue

  

  Hoi Wa Ip

  TI Thinks Resolved

  Part Number: TPS62050 Other Parts Discussed in Thread: TPS62054 Dear Ti Expert, We are working on a DC/DC converter circuit based on TPS62050DGS (refer to schematic below). The input to the converter is 4VDC , while the output is designed to deliver…

  • over 6 years ago
  • Power management
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