LED Design Calculator

new_LED_CALC.json

Version 0.1 Beta | LED Calculator Tool

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Active LED

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Design Inputs

Solve Target

Warm Lumens Target Target Tj (C) Actual Tj (C) Estimate Mode

Optional Bin Overrides

Flux Bin Color Bin Vf Bin

Specified WPE Use override

WPE Override (%)

Array Setup

Multiple LEDs Series LEDs Parallel Strings

Power Supply Model

Supply Topology Vin Min (V) Vin Typ (V) Vin Max (V)

Switcher Settings

Linear Settings

Switcher Vout (V) Efficiency (%) Misc Switcher Power (W) Resistor Loss Share (%) Misc Current (mA)

Operating Point

Current, voltage, electrical, thermal

Lumen Derating

Natural output at measured temperature

Power Path

Source current and dissipation

Operating Details

Derating And Thermal

Array And Driver Window

Supply Loss Breakdown

Limits And Warnings

LED Reference Data

Modeled Curves

Current vs Relative Flux

Fit

Current vs Forward Voltage

Fit

Junction Temp vs Relative Flux

Fit

Junction Temp vs Vf Shift

Fit

LED Basic Info

General Info

Bins

Flux Bins

Default

Bin Name

Typ (lm)

Min (lm)

Max (lm)

Notes

Color Bins

Mode Default

Bin Name

Min (nm)

Max (nm)

Unit

Notes

Vf Bins

Default

Bin Name

Min (V)

Max (V)

Notes

Curves

Current vs Relative Flux

Current (mA)

Relative Flux

Current vs Forward Voltage

Current (mA)

Forward Voltage (V)

Junction Temp vs Relative Flux

Junction Temperature (C)

Relative Flux

Junction Temp vs Vf Shift

Junction Temperature (C)

Forward Voltage Shift (V)