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  • AC/DC specification of LED for TS3L500AE

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    Other Parts Discussed in Thread: TS3L500AE Dear Technical Support Team, I have a question about TS3L500AE. Datasheet doesn't have AC/DC specification of LED. For example, NS3L500 have these spec below. http://www.onsemi.jp/pub_link/Collateral…
    • Resolved

  • AC dimming LED driver

    Other Parts Discussed in Thread: LM3445 , LM3444 We attempting to build LED lights that run on AC voltage with dimming capabilities. We are trying to use a continuous AC voltage to power the fixtures and a small AC signal to control dimming. Does TI have…

  • AC/DC LED driver with integrated FET

    Other Parts Discussed in Thread: TPS92310 , LM3444 , LM3445 Does TI have AC/DC LED driver with integrated FET in their portfolio? Early there was LM3448 and TPS92310, but as I understand they are absolute now.
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  • LM5023 for AC/DC Constant Current LED driver

    Resolved
    Other Parts Discussed in Thread: LM5023 Currently I have simulated the AC/DC for LM5023. My required specs as below. Vac: 110V ~ 265V Vout: 18V@0.9A Non-isolated. I need an overall BOM cost of < USD 5.00, but in the BOM list the 2 Mosfets is overpriced…
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  • AC-DC Isolated Two-Stage LED Driver

    I am designing a two-stage LED driver. First stage is an isolated flyback with PFC. Input voltage range is 90 - 305VAC. Output of first stage is a constant-voltage of 50V/0.9A/45W. Power factor of >0.9 and THD < 20% is required at 120VAC and 277VAC. The…

  • LM3445: Will LM3445 dim the LED brightness when input AC is dimmed by phase cut?

    Part Number: LM3445 Other Parts Discussed in Thread: LM3409 , LM3450 , LM3447 I need a solution to change LED brightness according to the phase-cut AC line, from 0 to 100%. LED requirements are 12VDCmax and 2A max. AC line is 85VAC to 265VAC. Will the…

  • TPS92411 Non-Dimmable AC Linear Floating Switch LED Driver Reference Design

    Other Parts Discussed in Thread: TPS92411 Hi TI Experts: Currently for the TPS92411, I only able to find the Dimmable AC Linear Floating Switch LED Driver Reference Design at TI website. http://www.ti.com/tool/PMP6022 But the application that…

  • CCS/AFE4404: How to separate DC and AC volts of IR and red led (AFE4404)?

    Part Number: AFE4404 Tool/software: Code Composer Studio Hi everyone I want to calculation SPO2 use AFE4404 I survey document that must use DC and AC values but I do not have any idea to separate DC and AC volts can anyone give me some inspiration…

  • Webench LED power supply AC input voltage out of range

    Hi, I am trying to get a power supply solution for my LED project, however Webench always gives me "RMS input voltage is out of range". Input: 200-250V AC 50Hz Custom LED, 1A, 2.9V, 0.8ohm Series: 7, parallel: 5, it makes 20.3V and 5A. No matter…
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  • Solar Inverter HV AC-DC EVM LED

    Resolved
    Hi, I'm using the 'Solar Inverter HV AC-DC EVM' with a Concerto Control Board. I follow the instruction outlined in ''QSG_HV_Solar_Inverter_System_GUI_Rev1.2.pdf' shown below... In my case LD3 flashes (not LD2). Do you know what this indicates and…
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