A tapped linear led driving arrangement

A tapped linear LED driver arrangement comprising:

• a first input terminal and a second input terminal for receiving an input voltage from an external power supply;
• a first LED module comprising a first LED set, comprising one or more LEDs connected in series, and a first current controller connected in series to the first LED set;
• a second LED module connected in series with the first LED module and comprising a second LED set, comprising one or more LEDs connected in series, and a first switch arrangement connected in parallel to the second LED set;
• and
• a charge storage device connected in parallel to the first LED module, wherein:
• the first LED module and the second LED module are connected in series between the first and second input terminals;
• the first current controller is configured to:
• responsive to the amplitude of the input voltage rising above a first threshold, reduce or prevent a current flow through the first LED set such that current, from the input terminal, flows through the charge storage device to the second LED module;
• and
• responsive to the amplitude of the input voltage falling below the first threshold, increase a current flow through the first LED set such that current flows from the charge storage device through the first LED set, and
• the first switch arrangement is configured to:
• responsive to the amplitude of the input voltage falling below a second threshold, bypass the second LED set to thereby prevent the second LED set conducting current;
• and
• responsive to the amplitude of the input voltage rising above the second threshold, prevent bypassing of the second LED set to thereby permit the second LED set to conduct current,
• wherein the first current source controller is configured to control the maximum current flow through the first LED set when it conducts current, such that it emits a same or nearly the same amount of light as emitted by the second LED set when it conducts current.