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Showing 115 results View by: Thread Post Sort by
  • TPS922052: TPS922052 performance at low current level & SPICE model

    Tom Schultz
    Tom Schultz
    TI Thinks Resolved
    Part Number: TPS922052 Other Parts Discussed in Thread: TPS922050 Posting on behalf of my customer: I’m looking for an LED driver IC that can be used to drive a single LED at a constant current of 15-30mA. Preferably a switching regulator instead of…
    • 4 months ago
    • Power management
    • Power management forum
  • TPS922052: Output Current Stability of TPS922052

    zhichao chen
    zhichao chen
    Part Number: TPS922052 I used the TPS922052 to test the LED driving current. After a 24-hour test, the current fluctuation was significant. Please analyze the root cause based on the normalized data.
    • 8 months ago
    • Power management
    • Power management forum
  • TPS922052: TPS922052 requires a 10uS pulse for optical applications.

    zhichao chen
    zhichao chen
    Part Number: TPS922052 Other Parts Discussed in Thread: LM3409 , TPS922051 Tool/software: Hello, we are using tps922052 for optical pulse output. It takes more than 2ms to light up the LED with this chip for the first time, but we would like the rise…
    • 10 months ago
    • Power management
    • Power management forum
  • TPS922052: TPS922052 Consultation

    Vayne Li
    Vayne Li
    TI Thinks Resolved
    Part Number: TPS922052 Other Parts Discussed in Thread: TPS922050 , TPS922051 , TPS922054 Tool/software: Hi Teams, I have a customer here who has the following requirements, I need to consult about the LED driver chip for the infrared fill light of…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS922052: thermal foldback function

    Andreas Marti
    Andreas Marti
    Resolved
    Part Number: TPS922052 Hi Performs the device a complete shutdown at Ttsd=typ 165C even the thermal foldback function is not used and disabled (TEMP pin to AGND pin)?
    • Resolved
    • 2 months ago
    • Power management
    • Power management forum
  • TPS922052: Schematic Review

    TI-CSC
    TI-CSC
    Part Number: TPS922052 Hello E2E Experts, Please review the attached schematic diagram. APCE-PoU_GM12-LED DRV.pdf Regards, TICSC
    • 1 month ago
    • Power management
    • Power management forum
  • TPS922052: EMC test reports available?

    Andreas Marti
    Andreas Marti
    Part Number: TPS922052 Hi Are there any EMC (conducted and/or radiated) test reports, based on the evaluation board TPS922055EVM, available?
    • 2 months ago
    • Power management
    • Power management forum
  • TPS922052: LED-current instability issue

    Andreas Marti
    Andreas Marti
    Part Number: TPS922052 Hi I noticed with our 4-channel design (attached), that the LED-current at a specific value/dimm level shows a ripple (attached). Above and below this current, the output current is stable. Any explanations? Input/output capacitor…
    • 2 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS922052: TPS922052 – Shunt Resistor + UVP Divider Dimensioning

    Alexander Wagner
    Alexander Wagner
    Resolved
    Part Number: TPS922052 Tool/software: Hi, we're using the TPS922052 in an LED driver. We had an issue with the LEDs glowing when turned off , which we resolved by adding a high-ohmic shunt resistor (as suggested in this forum). Now we're trying…
    • Resolved
    • 11 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS922052: device disable via Vin disconnection possible?

    Andreas Marti
    Andreas Marti
    Resolved
    Part Number: TPS922052 Hi Do you see any violations/concerns even the maximum ratings are still in range (attached)? The reason is the high operation current (typ 4.6mA) when the driver output is disabled (dimming=0). Our application requires a low…
    • Resolved
    • 2 months ago
    • Power management
    • Power management forum
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