Answered

• PSEMTHR24EVM-081: Power Supply

  

  Hirotsugu Kobayashi

  Resolved

  Part Number: PSEMTHR24EVM-081 Other Parts Discussed in Thread: TPS23881EVM-083 , Tool/software: Hi team, My customer want to use PSEMTHR24EVM-081 and TPS23881EVM-083. Are there any recommended power supply units for using these? Best regards,

  • Resolved

  • 7 months ago
  • Power management
  • Power management forum
Answered

• TPS23880: Why every PSE chips share same I2C address in TPS23881EVM-083?

  

  user4644112

  Resolved

  Part Number: TPS23880 Other Parts Discussed in Thread: TPS23881EVM-083 , , TPS23881EVM-008 , TPS23882 , TPS23881 In TPS23881EVM-083 evaluation system, total 6 pieces of TPS23880, however they share same I2C address, A3~A1 pins are all tied to GND, only A4…

  • Resolved

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

• TPS23881: TPS23881EVM-083 Circuit ORCAD file

  

  Graeme.Song

  Resolved

  Part Number: TPS23881 Can you help with the TPS23881EVM-083 Circuit ORCAD file (version16.6)?

  • Resolved

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

• TPS23881: TPS23881EVM-083 Circuit file and PCB layout file

  

  Graeme.Song

  Resolved

  Part Number: TPS23881 Can you help with the TPS23881EVM-083 Circuit file and PCB layout file?

  • Resolved

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

• PSEMTHR24EVM-081: Too many Detect point of Handshake

  

  POJUI HUANG

  TI Thinks Resolved

  Part Number: PSEMTHR24EVM-081 Other Parts Discussed in Thread: MSP-FET , UNIFLASH , TIDA-050026-23881 , USB2ANY , TPS23731 , PSEMCUDAUEVM-082 , , TPS23881EVM-083 , MSP430F5234 同時在量測HANDSHAKE波形時，關於檢測點的部分有10個點位，但照常理應該在PSE分級前，檢測點的部分應該只有四個才對，想詢問是否有哪邊的理解有誤?

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

• RE: TPS23881: OrCAD library files

  

  Raymond Lin

  Hi Boaz, Which EVM are you looking at, TPS23881EVM-008 or TPS23881EVM-083? Thanks and Regards, Raymond Lin

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

• RE: TPS23881: How can set the frequency of I2C clock? Is it controlled by firmware?

  

  Penny Xu

  Hi Jimmy, It turns out to be a HW issue on our EVM. The pull up resistors on the I2C bus are not strong enough. After changing the pull up resistors (R11,R12,R33 and R34) on TPS23881EVM-083, the frequency is around ~400KHz. We will fix this in our next…

  • over 3 years ago
  • Power management
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• RE: TPS23881: technology discussion

  

  Darwin Fernandez

  Hi Cooper, For the FW SRAM can you try instead downloading from link below? Yes you will need TI information to get access to this. Thanks! https://www.ti.com/tool/TPS23881EVM-083

  • over 3 years ago
  • Power management
  • Power management forum

• RE: TPS23881: TPS23881

  

  Darwin Fernandez

  Hi Jamie, 1. If you are looking at the TPS23881EVM-008, this pairs with the MSP5969 launchpad and the TI.com reference code on the TI.com reference page. If you're looking at the TPS23881EVM-083 or FirmPSE reference design TIDA-050026, then it pairs with…

  • over 3 years ago
  • Power management
  • Power management forum
Answered

• RE: TPS23880: 8-port POE switch issue

  

  Aidan Davidson1

  Resolved

  Hi AndongSun! The two TPS23880 devices will be individually addressed and managed by a host microcontroller. The device I2C addresses are set using pins A1-A4 and must be unique in a multi-device system. Section 9.2 of the TPS23880 datasheet has more…

  • over 5 years ago
  • Power management
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