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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AN4043 датащи(PDF) 22 Page - STMicroelectronics |
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AN4043 датащи(HTML) 22 Page - STMicroelectronics |
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22 / 60 page  Electrical characteristics and functions AN4043 22/60 Doc ID 022726 Rev 2 2.3.5 Comparators for fault sensing The SLLIMM-nano STGIPN3H60 integrates one comparator intended for advanced fault protection, such as overcurrent, overtemperature or any other type of fault measurable via a voltage signal. The comparator has an internal reference voltage VREF, specified in the datasheet, on its inverting input (see Figure 9), while the non-inverting input is available on the CIN pin. The comparator input can be connected to an external shunt resistor, in order to implement a simple overcurrent or short-circuit detection function, as discussed in detail in Section 2.3.6: Short-circuit protection and smart shutdown function. Figure 13. Timing chart of dead time function LIN HIN LVG HVG LIN HIN LVG HVG LIN HIN LVG HVG LIN HIN LVG HVG DTLH DTHL DTLH DTHL DTLH DTHL DTLH DTHL gate driver outputs OFF (HALF-BRIDGE TRI-STATE) CONTROL SIGNAL EDGES OVERLAPPED: INTERLOCKING + DEAD TIME CONTROL SIGNALS EDGES SYNCHRONOUS (*): DEAD TIME CONTROL SIGNALS EDGES NOT OVERLAPPED, BUT INSIDE THE DEAD TIME: DEAD TIME CONTROL SIGNALS EDGES NOT OVERLAPPED, OUTSIDE THE DEAD TIME: DIRECT DRIVING (*) HIN and LIN can be connected together and driven by just one control signal gate driver outputs OFF (HALF-BRIDGE TRI-STATE) gate driver outputs OFF (HALF-BRIDGE TRI-STATE) gate driver outputs OFF (HALF-BRIDGE TRI-STATE) gate driver outputs OFF (HALF-BRIDGE TRI-STATE) gate driver outputs OFF (HALF-BRIDGE TRI-STATE) gate driver outputs OFF (HALF-BRIDGE TRI-STATE) gate driver outputs OFF (HALF-BRIDGE TRI-STATE) AM10496v1 |
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