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Type: Posts; User: LED-Peter

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  1. The configuration of D-pin and DS-pin depends on...

    The configuration of D-pin and DS-pin depends on the fault management required in the application.

    The D-pin activates or de-activates the N-1 behavior, when a fault (OL, SC, SLS) is detected. N-1...
  2. The ERRN pin is implemented as an open drain...

    The ERRN pin is implemented as an open drain output with an internal current limitation.

    A pull up resistor has to be placed externally to ensure the desired functionality. To ensure functionality...
  3. General recommendation is to place a capacitor on...

    General recommendation is to place a capacitor on each OUTx-pin to GND.
    A suitable ceramic capacitor of 4.7nF or 10nF should be placed close to the OUTx-pin.

    See also the datasheet and...
  4. When pin IVCC is connected to SET by a resistor...

    When pin IVCC is connected to SET by a resistor divider (see the application information section in the datasheet) , the IVCC capacitor has to be as close as possible to the IVCC pin. Otherwise the...
  5. Yes, the overload condition is similar to Open...

    Yes, the overload condition is similar to Open FBL condition where VFBH - VFBL is larger than 0.5 V

    Please refer to the Protection and diagnostic functions chapter in the corresponding datasheet -...
  6. In order to save BOM cost it is possible to use...

    In order to save BOM cost it is possible to use our H-Bridge drivers with 2 MOSFETs only.

    TLD5190QV, TLD5190QU, TLD5542-1QV and TLD5542-1QU will turn on the low side gate drivers in error...
  7. When the TLD1114-1EP is used without the MOSFET...

    When the TLD1114-1EP is used without the MOSFET no PWM dimming over PWMI, EN or IN_SET pin is possible. PWM operation over supply VS is possible as there the current path to the LEDs is disconnected...
  8. LITIX Basic and Basic+ devices are reverse...

    LITIX Basic and Basic+ devices are reverse polarity protected:

    * LITIX™ Basic down to -16V
    * LITIX™ Basic+ down to -18V

    This means that if we have a static pulse higher than -18V and we don’t...
  9. There are two ways to check if a transmission...

    There are two ways to check if a transmission error has happened:

    1) Monitor the TER flag on the SO pin in the time window between the chip select assertion and the first clock rising edge, please...
  10. I don’t see here a risk for a latching function...

    I don’t see here a risk for a latching function as the status functionality of the TLE4242 is unlatched.

    When a fault is detected by one of the devices, this one pulls down the ST pin using an...
  11. View Post

    An external temperature derating can be achieved by placing a PTC type resistor at the IN_SET pin. A short trace length (few cm) to place the PTC resistor closer to the LEDs is uncritical. For...
  12. Can I use LITIX POWER LED drivers when applying PWM via switched power lines?

    Yes, LITIX Power products can be used when the power lines are being switched. Please consider that the enable pin EN / PWMI receives the correct PWM signal - and not a distorted signal after the...
  13. What is the recommended capacitive OUT filtering for LITIX Basic products?

    For all LITIX Basic variants with "Open Load" detection functions the following recommendation applies:
    LITIX Basic ICs with integrated Open Load functions require a capacitive divider on the OUT....
  14. LITIX Power devices are using FBH pin for...

    LITIX Power devices are using FBH pin for short-to-ground detection and current sensing. The DC-DC converter will not start up as long as the voltage at FBH is below 2V.

    Some topologies like boost...
  15. How to power up DC-DC converters with TLD509x boost control ICs?

    What needs to be considered? Why may my DC-DC converter not start up?
  16. Exceptional error handlings when having multiple...

    Exceptional error handlings when having multiple devices, e.g. for TAIL/STOP applications, can be implemented with LITIX™ Basic+. This is useful if the light function, where the error occurs,...
  17. View Post

    How to implement unidirectional error bus diagnosis for a combine tail/stop light?
  18. When one output channel of TLD2331-3EP is not...

    When one output channel of TLD2331-3EP is not used, you should leave the IN_SETx pin open as well as the corresponding output, OUTx.
    If SLS detection is required, it is recommended to use output 2,...
  19. How to connect pins of LITIX Basic+ when not all outputs are used?

    How should unused pins of LITIX Basic+ be connected when all of outputs will not be used?
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