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Automotive LED Driver IC LITIX™ Power Flex TLD5541-1QV - test bench Input Voltage Ramping

Open online SPICE simulator circuit link: atv_12v_lighting_TLD5541-1QV_testbench_Vin_ramping.tsc

Input Voltage Ramping - Transient with TLD5541-1QV

{1. click here to set circuit parameters}
{2. click on "Run" to calculate components}
{3. click on "OK" and Simulate Transient }

{Controller Frequency [F]}
frequency:= 300k {use 200K ... 700K}

The TLD5541-1QV is a synchronous MOSFET H-Bridge DC/DC
controller driver with built in protection features and SPI interface.
This concept is beneficial for driving high power LEDs
(VLED = 2V up to 52V) with maximum system efficiency and
minimum number of external components. The TLD5541-1QV
offers the most flexible dimming options.

For you individual test case, please modify the parameters in
the green configuration box on the left side.

This model has limitations. It does
not include the driver output stage.
That is why we need to use ideal
switches (no bootstrap simulation

The PSpice model does not show all
features of the real device to keep the
simulation time in a reasonable range.

- Regulation Loops
- Current Limitation on the coil
- Digital and Analog PWM
- Soft Start Behavior
- Multi-Float Switch Application

NOT implemented :
- SPI interface
- Current consumption of IC
- Thermal Network
- Fault Handling
- Fault Reporting
- External Clock Sync
- Limp Home
- Spread Spectrum
- LDO Output

Other circuits
Product info: TLD5541-1QV
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