Current regulation method and system, pre-driver module and programmable logic gate array
A technology of driving modules and programming logic, applied in the field of circuits, can solve problems such as speeding up the damage of light bulbs, and achieve the effect of preventing overload use and slowing down the speed of damage.
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[0018] Embodiments of the present invention provide a current adjustment method and system, a front-stage drive module and a programmable logic gate array, which can prevent a good LED bulb from being overloaded when an LED bulb is damaged.
[0019] Please refer to figure 1 , an embodiment of the current adjustment method in the embodiment of the present invention includes:
[0020] 101. The pre-stage drive module detects the current value of the LED driven by the pre-stage drive module;
[0021] In this embodiment, the pre-stage drive module drives at least two LEDs, and each LED in the at least two LEDs is connected in parallel. In practical applications, the pre-stage drive module can control the current value of each LED driven by the pre-stage drive module. To detect, it is also possible to detect the current value of the driven part of the LED.
[0022] 102. The pre-stage drive module transmits the detected current value of each LED to the programmable logic gate array...
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