Parts used in diagram blocks:

Input Bridge Rectification
Rectifiers
Schottky Diodes & Schottky Rectifiers
Ambient Light Sensor
Ambient Light Sensors
Voltage Regulation/Current Source
AC-DC LED Drivers
DC-DC LED Drivers
Converters
Linear LED Drivers
Operational Amplifiers (Op Amps)
LDO Regulators & Linear Voltage Regulators
LED Shunt
AC-DC LED Drivers
Protected MOSFETs
Voltage References

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