Answered

• TPS65400: Start-up Failure at Low Temperature.

  

  Kengo.Y

  Resolved

  Part Number: TPS65400 Tool/software: Hi team, I'd like to know about start-up failure at Low Temperature( using a cold splay). Waveform as bellow. Could you tell me why it won't start up? Soft start( tss) = 670us *5ms/div *100us/div BR, Kengo.

  • Resolved

  • 6 months ago
  • Power management
  • Power management forum

• TPS65400: I2CADDR connection

  

  JH Shin

  TI Thinks Resolved

  Part Number: TPS65400 Tool/software: Hello, My customer designed the I2CADDR(PIN38) of TPS65400 open. They do not use I2C interface. Will there be any problem in using TPS65400 when I2CADDR pin is opened? Thank you. JH

  • 9 months ago
  • Power management
  • Power management forum

• TPS65400: Device efficiency

  

  JH Shin

  TI Thinks Resolved

  Part Number: TPS65400 Tool/software: Hello, My customer got simulation results like the attached file below through TI WEBENCH Tool. TPS65400_12VIN_0.9VO(2.4A)_1.2VO(2A)_2.1VO(1.6)_2.1VO(0.8A).pdf According to the report, the overall efficiency…

  • 9 months ago
  • Power management
  • Power management forum

• TPS65400: Quenstion about Compensate and Soft Start

  

  Olivia Chou

  Part Number: TPS65400 Other Parts Discussed in Thread: DRV8421 , TMS320F28P550SJ Tool/software: We want to connect SW1 to DRV8421 to driver a 12V, 0.4A stepper motor, will a 10uH output inductor be a proper choice? To confirm the compensation configuration…

  • 4 months ago
  • Power management
  • Power management forum

• TPS65400: DELPHI Thermal models for Ansys IcePak or Siemens Flotherm

  

  Kushal Bhalerao

  TI Thinks Resolved

  Part Number: TPS65400 Tool/software: Hi there, We are currently utilizing the TPS65400 and TPS6508640RSKR power management ICs in our custom board design. To facilitate comprehensive thermal analysis using Ansys Icepak and Siemens Flotherm , we are…

  • 3 months ago
  • Power management
  • Power management forum

• TPS65400: unbale to communicate with external controller through i2c bus

  

  Arun KONTHAM

  TI Thinks Resolved

  Part Number: TPS65400 Tool/software: i am unable to communicate with Tps65400 with Pic18f25Q43 with i2c interface with 100khz clock help me with steps to mointer faults ad read the voltage VOUT1-4

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

• TPS65400: TPS65400 power sequencing without I2C

  

  sonal Nerpagar

  Resolved

  Part Number: TPS65400 Hi i want to use TPS65400 in my new design, but we dont have I2C on board How can we do power sequencing without I2C also is their any other part pin compatible part without I2c Thanks Sonal

  • Resolved

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

• TPS65400-Q1: Failed to store default all to EEPROM

  

  shivaji magadum

  TI Thinks Resolved

  Part Number: TPS65400-Q1 Tool/software: Hello, We have "TPS65400RGZT" on our boards, we change VREF via I2C to configure the required TPS output power supply and store it into data flash (E2PROM), after power cycle the parts use to retain the output…

  • 4 months ago
  • Power management
  • Power management forum
Answered

• TPS65400-Q1: Functional Safety FIT Rate, FMD and Pin FMA report

  

  Josue Rojo

  Resolved

  Part Number: TPS65400-Q1 Other Parts Discussed in Thread: TPS65400 Tool/software: Hello, I would like to have some help with the Failure Mode Distribution for the following part number TPS65400QRGZRQ1, this is usually included in the Functional Safety…

  • Resolved

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

• TPS65400: Can CE pin directly connect to ground?

  

  louis.chang

  Resolved

  Part Number: TPS65400 Tool/software: Hi Sirs If we want to disable TPS65400, can CE pin directly connect to ground? Or perhaps via a resistor to ground? Thank you

  • Resolved

  • 11 months ago
  • Power management
  • Power management forum

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