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gate drive design for mosfet

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ra124

New Member
hi
i need to design half bridge switch using mosfet for half bridge dc-dc converter so i need sum guide lines like what are the design considerations n requirements n gate drive circuit to drive half bridge mosfet..........
 

crutschow

Well-Known Member
Most Helpful Member
The drive requirements are determined by the gate charge required to charge the gate capacitance and turn the transistor off and on at the rate you require. The gate charge value (in coulombs) is usually stated in the MOSFET data sheet. Given that, and the turn-on time you need, you can determine how much gate drive current is required to charge and discharge the capacitance (current = charge ÷ time)
 

maicael

Member
Come to think of it can the ir2110 function effectively as a dual low side driver and work in a push pull configuration since it is faster than the tc427 driver
 

maicael

Member
Come to think of it can the ir2110 function effectively as a dual low side driver and work in a push pull configuration since it is faster than the tc427 driver
 

alec_t

Well-Known Member
Most Helpful Member
That should work ok.
 
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