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Showing 23 results View by: Thread Post Sort by
    Answered
  • TPS61390: Purpose of Current Mirror and Measuring Current in the Microamp Range

    Charles Gervasi
    Charles Gervasi
    Resolved
    Part Number: TPS61390 Other Parts Discussed in Thread: ACF2101 The TPS61390 has built in current mirrors. You can select between two current mirrors, sample the voltage at a resistor connected to the mirror at a moment in time, and read back this voltage…
    • Resolved
    • 4 months ago
    • Power management
    • Power management forum
  • Answered
  • RE: TPS61390: Is an APD Boost Converter with 100µV Ripple Too Good To Be True?

    Eric Yue
    Eric Yue
    Resolved
    Hi Charles, 1. Current mirror output pins: please refer to this app notes for detail, How to Sample the Small APD Current Precisely With the TPS61390 Boost Converter . If output current cannot be measured precisely, this current mirror pins can used to measure…
    • 10 months ago
    • Power management
    • Power management forum
  • TPS61390: Pin configuration

    Carlo
    Carlo
    TI Thinks Resolved
    Part Number: TPS61390 Other Parts Discussed in Thread: TPS61391 Hi team, Good day. What is the proper configuration of the TPS61390 if the current mirror will not be used? Can we float the Avcc pin and short the monitor pins to ground? Regards, Carlo
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS61390: 60V output at 3V supply

    Carlo
    Carlo
    Part Number: TPS61390 Hi team, Good day. Our customer is using the TPS61390 and they would like to have a 60V output using a 3V power source. However, upon testing their design, 60V is achieved at 3.2V supply only. Please refer to the schematic below…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS61390: Phantom Power

    Kuramochi Tadahiko
    Kuramochi Tadahiko
    Resolved
    Part Number: TPS61390 Other Parts Discussed in Thread: TPS61391 , TEST Hi, My customer considers using the TPS61390 as mic phantom power. Can this device output 12mA on VIN=5V, VOUT=48V? I inquiry because the output current is drawn by the only 10mA in…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS61390: Rprotect for MONIN

    Jerry Chen82343
    Jerry Chen82343
    Part Number: TPS61390 Hi team, I saw there is a Rprotect to MONIN in typical application circuit. What is the recommended value for this R? Or, how to decide its value? Thanks.
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS61390: I want to use TPS61390 to ouput 56V DC voltage.

    user6343584
    user6343584
    TI Thinks Resolved
    Part Number: TPS61390 I want to use TPS61390 to ouput 56V DC voltage. Is there some reference circuit which can use to accomplish my requirement? Thanks for the answers.
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS61390: question related to current mirror monitoring

    Kazuhiko Hirano
    Kazuhiko Hirano
    Resolved
    Part Number: TPS61390 Other Parts Discussed in Thread: TPS61391 Hello, My customer plans to use TPS61390. But he does not use VSP pin, instead he would like to translate MON1/MON2 pin current to voltage using a trans impedance amp and monitor the output…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS61390: Setting APD current considerations

    DAVE MCNAB
    DAVE MCNAB
    Part Number: TPS61390 Other Parts Discussed in Thread: ABS We'd like to max out the 61390 and get an 85 volt output from a 2.8 to 3.9 volt input in order to drive an ultrasonic transducer. Will this work and what needs to be done to set current through…
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS61390: Could I obtain a variable Vout?

    Michele Losito
    Michele Losito
    Part Number: TPS61390 Dear TI Team, It's possible to obtain a variable Vout with this chip, maybe controlling the FB voltage? I need to have a boost converter with variable Vin (1.8-5V) and variable Vout (15-60V) with Imax out = 10mA. Thank you in…
    • over 2 years ago
    • Power management
    • Power management forum
>

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