• TPS3899: Replace MIC2788

  

  GARETH OU

  TI Thinks Resolved

  Part Number: TPS3899 Hi Could you help suggest replacement products for MIC2788-XYMT The customer wants delay 2 seconds

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

• TPS3899-Q1: TPS3899DL31DSERQ1

  

  Lisa George

  TI Thinks Resolved

  Part Number: TPS3899-Q1 Hi Team, In our circuit design featuring the Voltage Supervisor ( TPS3899DL31DSERQ1 ), we've set the undervoltage threshold to 3.1V. However, during RF data transmission, the voltage drops below this threshold, triggering the…

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

• TPS3899: TPS3899DL12DSE,TPS3899DL16DSE, TPS3899DL45DSE

  

  Sanjay Gadkari

  Resolved

  Part Number: TPS3899 Hi, we are planning to use the following parts which are mentation in the datasheet. but actually not available on TI website, mouser and Digiky. will it be available on demand or in the future. TPS3899DL12DSE,TPS3899DL16DSE…

  • Resolved

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

• TPS3899-Q1: Reset assertion duration and sense delay duration

  

  BINYAMIN A

  TI Thinks Resolved

  Part Number: TPS3899-Q1 Other Parts Discussed in Thread: TPS3422 , TPS3899 Tool/software: Hello, We are considering TPS3899-Q1 for our design. Our use case conditions are as follows: 1. If the push-button connected to sense pin is pressed for a duration…

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

• TPS3899: Background for setting the reset asserting: 2.93V

  

  Satoshi

  TI Thinks Resolved

  Part Number: TPS3899 The datasheet specifies Reset Asserting as 2.93V, but no matter how I calculate it, I cannot arrive at this value. Please let me know the other voltage conditions when it is set to 2.93V. Or am I guessing that VHYS: 25.5mV is…

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

• TPS3899-Q1: Schematic ON/OFF section Review

  

  hitesh soramiya

  TI Thinks Resolved

  Part Number: TPS3899-Q1 Other Parts Discussed in Thread: TPS3899 Hello, Earlier we are using LTC2954CTS8-1#TRMPBF, Now we are planning to replace with TPS3899DL01DSERQ1. Could you please review the connection of power ON/OFF control IC TPS3899DL01DSERQ1…

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

• TPS3899: Behavior when entering small pulse on SENSE pin.

  

  Motoyasu Hattori

  TI Thinks Resolved

  Part Number: TPS3899 Hi, I want to confirm the behavior on TPS3899. If the pulse (Low->High->Low) whose width is less than tD (Red circle) enters on SENSE pin, TPS3899 /RESET is Low to High (Yellow arrow), after High to Low on this SENSE pin. Is it…

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

• TPS3899: The reason why the calculated value of detect time delay is slightly different

  

  Satoshi

  TI Thinks Resolved

  Part Number: TPS3899 For detect time delay (td-sense), for example, when CCTS_EXT: 1μF is used, there is a slight difference between the value on page 5 of the data sheet and the calculation formula on page 14. ・Page 5: 619ms ・Page 14: 655ms …

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

• TPS3899: on-chip diode between VDD and GND?

  

  AnBer

  TI Thinks Resolved

  Part Number: TPS3899 Team, Is there an on-chip diode between VDD and GND? Smallest possible PCB is a critical requirement and customer has to understand if an external diode is at all needed. Thanks in advance, A.

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

• TPS3899: Available options

  

  Kazuki Itoh

  Resolved

  Part Number: TPS3899 Hi team, Is TPS3899PH28DSE sample available from TI.com? The part# is listed in the datasheet 12.1, but I cannot find it from TI.com. Regards, Itoh

  • Resolved

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

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