LED drive circuit, LED circuit and lamp

The utility model discloses an LED drive circuit, an LED circuit and a lamp, and the LED drive circuit comprises a load current control circuit, a rectification module, an energy storage device, a charging path, and a first unidirectional conduction device. The charging path comprises a charging current control module and a second one-way conduction device; the current flowing directions of the first one-way conduction device and the second one-way conduction device are opposite; one end of the energy storage device is connected with the input end of the rectification module. The charging pathand the two ends of the first unidirectional conduction device are respectively connected with one end of the energy storage device and the grounding end of the rectification module. One end of the load current control circuit is connected with the grounding end of the rectification module, and the other end is connected with an LED load. And the charging current control module is used for controlling the conduction of t