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Showing 101 results View by: Thread Post Sort by
  • UCC14240-Q1: Switching negative voltage

    Hideki Hayashi1
    Hideki Hayashi1
    TI Thinks Resolved
    Part Number: UCC14240-Q1 Hi team. Customer wants to change negative voltage value on the prototype like by mechanical-switch as below in order for checking supply voltage for SiC. a. Vpos = 18V, Vneg = 0V b. Vpos = 18V, Vneg = -5V Do you have…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • RE: UCC14240-Q1: Output Voltage Is Not Regulated Properly

    Steven Mappus1
    Steven Mappus1
    Resolved
    Qinghua, Figure 5-10 from the UCC14240 EVM User Guide gives a picture of the inrush current during startup. You can see several peaks of current as high as 850mA and these are happening until the output voltage comes into regulation. The input voltage…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC14240-Q1: 3W Isolated DCDC Module Need

    Francis Jiang
    Francis Jiang
    Resolved
    Part Number: UCC14240-Q1 Other Parts Discussed in Thread: UCC15241-Q1 , UCC15240-Q1 Hi Team, Do we have larger power isolated DCDC module? Customer need a 3W device. Thanks in advance.
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • UCC14240-Q1: Do we have a Spice model for this device?

    Nicholas Carley
    Nicholas Carley
    TI Thinks Resolved
    Part Number: UCC14240-Q1 I see we have a Simplis model, do we have a spice model available? Nick
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC14240-Q1: Minimum output voltage VDD-VEE

    Téo Robert
    Téo Robert
    Resolved
    Part Number: UCC14240-Q1 Other Parts Discussed in Thread: UCC15241-Q1 , UCC14241-Q1 , UCC15240-Q1 Hi, I am looking at UCC14240-Q1 for a gate driver power supply application. I need -3/12V supply from a 24V input. There is a contradiction in those…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • UCC14240-Q1: Can it be used at 17.5V without any problems?

    Okamatu Masashi
    Okamatu Masashi
    TI Thinks Resolved
    Part Number: UCC14240-Q1 I'm trying to use it with the VDD-VEE 18V setting,but it can be 17.5V due to resistance variation. Can it be used at 17.5V without any problems?
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC14240-Q1: COM-VEE voltage regulation

    Patrick Ruf
    Patrick Ruf
    Resolved
    Part Number: UCC14240-Q1 Other Parts Discussed in Thread: UCC25800 , UCC14140-Q1 , UCC25800-Q1 Hi, The UCC14240-Q1 device uses a two switch "balancer-like" topology to regulate the COM-VEE voltage (Figure 7-2 in the UCC14240-Q1 datasheet). Does TI have…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • UCC14240-Q1: Top Vgs stability under Bot switching issue

    William Moriggi
    William Moriggi
    TI Thinks Resolved
    Part Number: UCC14240-Q1 Other Parts Discussed in Thread: UCC21750 , Hi, I am having some trouble with our UCC14240-Q1 implementation, we are using the UCC14240-Q1 in combination with the UCC21750 gate driver for a VSI design. In the picture below DPT…
    • over 1 year ago
    • Power management
    • Power management forum
  • UCC14240-Q1: spec check

    GARETH OU
    GARETH OU
    TI Thinks Resolved
    Part Number: UCC14240-Q1 Other Parts Discussed in Thread: UCC14131-Q1 , UCC25800-Q1 Hi Could you help suggest suitable products , Automotive displays must pass VSCC 56-3 The car power supply provides DC 24V, and the motherboard provides DC 12V. …
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC14240-Q1: Input Filter

    Nicholas Hayes
    Nicholas Hayes
    Resolved
    Part Number: UCC14240-Q1 In the Rev. C datasheet Table 8-1 it says "For extreme input ripple voltage cases, connect a 4.75-ohm filter resistor to power input, PIN7, and connect a 10-μF ceramic capacitor from analog VIN PIN 6, to power analog GNDP." but…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
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