SMPS circuit have 3 version of the 700w (+-50v 50khz), 800w (+-42v 60khz) and 900w (+-70v 50khz) circuit diagrams for the same smps pwm control output is used to drive the integrated MOSFET sg3525 ir2110, but according to some of the values are different, the forces of the output of the SMPS circuit voltajlarına has been prepared with proteus. Feb 25, 2018 - Ir2110 Mosfet Driver Circuit Diagram. So, the IR2110 can be easily used. HIN and LIN are the logic inputs. A high signal to HIN means that you. IR2110 High Side Problems. Post your circuit diagram. While the Lo is 9v. And do i need to produce that same 60v signal to drive the mosfets to. HIGH AND LOW SIDE DRIVER Product Summary VOFFSET (IR2110. High speed power MOSFET. Please refer to our Application Notes and DesignTips for.
I want to turn on and off both the mosfets at same time and I used IR2110 gate drivers for high and low MOSFETS.
Ir2110 Mosfet Driver Circuit Diagram
When I try to simulate the circuit, after few seconds it shows error saying time step too small. What is the problem with circuit or simulations?
In the simulation graph,
Mosfet Driver Circuit Diagram
Green represents the inductor currentBlue represents gate voltage of M1Pink represents gate voltage of M2
lomesh pudipeddi
lomesh pudipeddilomesh pudipeddi
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1 Answer
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Not sure about the LTSpice error, but I do see one problem. In order for the high side IR2110 to work, the bootstrap capacitance (C1 and C3) must be charged so that 12 volts appears across it. This is done by pulling the VS pin to ground, which happens every time you switch the low side on a normally-configured half bridge. In your circuit, this capacitor will not ever be charged. C1 and C3 must be refreshed periodically by pulling VS to ground; the charge on the cap provides the current and voltage necessary to get the high side gate drive voltage to a voltage greater than your 12 V supply. If the charge on this cap is less than 8 volts or so, the high side switch will shut off. You could put in the low side FET instead of D2 and pulse it at the start and then again periodically.
Mosfet Circuit Examples
John BirckheadJohn Birckhead
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Mosfet Driver Schematic
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