CMOS image sensor anti-latch-up system based on space application
An image sensor, anti-latch technology, applied in radiation control devices and other directions, can solve the problems of device function failure, prone to latch-up, burnout, etc., to reduce the probability of latch-up, the power-on process is stable and reliable, fast detection and protective effect
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[0015] Specific implementation mode 1. Combination figure 1 and figure 2 Describe this embodiment, based on the CMOS image sensor anti-latch-up system for space applications, the system can quickly detect the latch-up phenomenon, cut off the power supply or reduce the supply voltage to be insufficient to maintain the regeneration of the parasitic circuit and the latch-up state.
[0016] Specifically, it is composed of an external input power supply, a processing part and a focal plane part. The processing part is mainly composed of controller, current detection module, comparator, controller core power supply module, controller IO power supply module, controller peripheral circuit power supply module, level conversion chipset and differential interface chipset; the controller core power supply module and the controller IO power supply module supply power to the core and IO of the controller respectively, and the controller peripheral circuit power supply module supplies powe...
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