• TPS65381A-Q1: TPS65381A-Q1 Stuck in Locked Safe State – Unable to Transition to Diagnostic State

  

  Imthiaz Ahamed

  TI Thinks Resolved

  Part Number: TPS65381A-Q1 Tool/software: Hello, I am working with the TPS65381A-Q1 PMIC and facing an issue with transitioning to the Diagnostic state after power-on. When I power on the PMIC, my code sends the required SPI command to enter the Diagn…

  • 1 month ago
  • Power management
  • Power management forum

• TPS65381A-Q1: VDD1 Regulator External FET selection for TMS320F2800157 VDD Core supply

  

  Egemen Aksoy

  TI Thinks Resolved

  Part Number: TPS65381A-Q1 Other Parts Discussed in Thread: TMS320F2800157 Tool/software: Hello, In our project, we are using TMS320F2800157 with TPS65381A-Q1 PMIC. Currently, we do not want to use the internal regulator of TMS320F2800157 to generate a 1…

  • 1 month ago
  • Power management
  • Power management forum

• TMS320F2800157: Internal VREG 1V2 VDD Supply voltage supervisor via TPS65381A-Q1 VDD1_SENSE

  

  Egemen Aksoy

  Part Number: TMS320F2800157 Other Parts Discussed in Thread: TPS65381A-Q1 , Tool/software: Hello, In our project, we are using TMS320F2800157 and PMIC TPS65381A-Q1 together. We decided to use internal VREG for 1V2 VDD supply. Schematic is attached. For…

  • 1 month ago
  • C2000™︎ microcontrollers
  • C2000 microcontrollers forum

• TPS65381A-Q1: Technical support on microcontroller and PMICS issues.

  

  Fadime Kabalar

  Part Number: TPS65381A-Q1 Other Parts Discussed in Thread: TMS570LS0432 , TPS65300-Q1 , TPS653860-Q1 Tool/software: Hi, I am contacting you for technical support on microcontroller and PMICS issues. We are planning to use the TMS570LS0432 microcontroller…

  • 1 month ago
  • Power management
  • Power management forum
Answered

• TPS65381A-Q1: Writing the SAFETY_BIST_CTRL with value 0x4 to set the LBIST_EN bit to 1 does not work

  

  Marc Cifuentes

  Resolved

  Part Number: TPS65381A-Q1 Tool/software: Hello, Having the TPS driver state machine running in ACTIVE mode, I am trying to start TPS LBIST test by writing the SAFETY_BIST_CTRL with value 0x4 (Set LBIST_EN bit to 1). I send the command to unlock the register…

  • Resolved

  • 1 month ago
  • Power management
  • Power management forum
Answered

• TPS65381A-Q1: FIT rate MTBF rate

  

  Matthew Steinberg

  Resolved

  Part Number: TPS65381A-Q1 Tool/software: Hi, Can you let me know the FIT rate (or MTBF) for the TPS65381A-Q1 part. Thanks.

  • Resolved

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

• TPS65381A-Q1: Snap back behavior

  

  Yuto Kitamura

  Resolved

  Part Number: TPS65381A-Q1 Tool/software: Dear team, Would you elaborate what Snap back behavior is? I had some search on google and find a few information. It mentioned that it is about bipolar specification and it will exceed the threshold before move…

  • Resolved

  • 6 months ago
  • Power management
  • Power management forum

• TPS65381A-Q1: Queries about EEPROM CRC check at startup and run time

  

  LONGHUA MAO

  Part Number: TPS65381A-Q1 Tool/software: Hello, we are using TI psu chip of TPS65381A on our production BMS. By reading the datasheet, I have some queries about the EEPROM CRC protection on it. Could you help me to understand? Thanks in advance. I am…

  • 6 months ago
  • Power management
  • Power management forum

• TPS65381A-Q1: TPS Power OFF / ON. Retention of register bits

  

  Marc Cifuentes

  TI Thinks Resolved

  Part Number: TPS65381A-Q1 Tool/software: Hello, I wanted to know if within the register of the TPS65381A-Q1, there is some register that we can write some free bit available, (and also in active or safe state) and which will survive a complete power off…

  • 7 months ago
  • Power management
  • Power management forum

• TPS65381A-Q1: The signal on SDO pin is pulled low when DMUX enabled and NCS pin is high.

  

  LONGHUA MAO

  Part Number: TPS65381A-Q1 Other Parts Discussed in Thread: TMS570LS1224 , Tool/software: Hi experts, We encounter a SPI issue when implementing DMUX of the psu chip: the signal on SDO pin is always 0 when we enabled DMUX and NCS is high. Our SPI bus has…

  • 6 months ago
  • Power management
  • Power management forum

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