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  • TPS63900: Output Voltage issue

    Part Number: TPS63900 Tool/software: Hi Team, My customer feedback the TPS63900 output voltage had a big switching voltage while the 4G module was in communication mode.(transmitting data). He already added 1000uF Cout but cannot improve it. Please…

  • TPS63900: Current draw a function of input voltage

    Part Number: TPS63900 Tool/software: I am using a TPS63900 in a 3.6V battery application to charge a super cap. I have several units working as expected drawing around 2.5-3ma as configured for 2.0V - 3.6. However I have a few units that when the voltage…
    • Answered

  • TPS63900: PSpice Simulation

    Resolved
    Part Number: TPS63900 Tool/software: Hello TI Team, I use a model from ti Homepage: https://www.ti.com/de/lit/zip/slvmdc0 . schaltplan_2.pdf When I start the simulation, I get 0 V at VOUT. I do not understand why my simulation does not work. Can you…
    • Resolved

  • TPS63900: Noise in sleep mode

    TI Thinks Resolved
    Part Number: TPS63900 Tool/software: I am currently using the TPS63900 in my design (VIN: 3V and VOUT: 3.3V), which includes the primary ICs: the RAK3172 LoRaWAN module from RAKwireless and the BG95M2 LPWA Cat M1/Cat NB2 modem from Quectel. For power…

  • TPS63900: Supercapacitor Charging – Unexpected 200 µA Load Increase and Efficiency Data Request

    Part Number: TPS63900 Tool/software: Hello, I’m working with the TPS63900 boost converter to charge a 5 F supercapacitor from a 3.6 V input rail up to 4.7 V. The device successfully charges the supercap, but once it reaches the target voltage, the average…
    • Answered

  • TPS63900: Config & parts selection for configurable voltage output

    Resolved
    Part Number: TPS63900 Tool/software: Hi Guys, Just want to confirm something with the TPS63900 IC. Specifically, when SEL is pulled high, it uses the resistor settings from CFG1 & CFG2, when it’s pulled low, it uses the CFG3 setting? So in theory…
    • Resolved

  • TPS63900: Question about TPS63900

    TI Thinks Resolved
    Part Number: TPS63900 Other Parts Discussed in Thread: TPS63901 Hello： DCDCs are generally equipped with post stage output filtering, TPS63900. For this type of power supply, is there a design reference circuit for output filtering, and how to handle…

  • TPS63900: Inquiry on Current Consumption and Low-Power Regulators

    Part Number: TPS63900 Tool/software: Hi Team, TPS63900 We are planning to use this IC in our low-power, battery-operated RF device. However, we are encountering an issue regarding the current consumption of the device under no-load conditions when…

  • TPS63900: Replacement part with input current limit

    TI Thinks Resolved
    Part Number: TPS63900 Other Parts Discussed in Thread: TPS61094 , TPS61033 , TPS61022 Tool/software: Good morning, I am working on a design of a NB-IOT product with a bobbin battery (LI-SOCL2) + ELDC supercapacitor (1.5F) Vin = 2.5 - 3.8V Vout NB…

  • TPS63900: Battery Lifetime Calculator

    TI Thinks Resolved
    Tool/software: How to we download the "“Battery Lifetime Calculator” tool mentioned in document slvaer8a.pdf

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