Method and device for controlling power output stage
A technology for controlling power and power, which is applied in the field of devices realizing the method, can solve problems such as delayed switching processes, and achieve the effect of little circuit delay
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[0018] Such as figure 1 As shown, the invention will be described below with the aid of a pulsed power output stage integrated in an integrated circuit for use in a vehicle, which is used to switch an inductive load L with a freewheeling diode F. The integrated power output stage can be accommodated, for example, in a motor controller (not shown), which receives the control signal st from the motor controller in order to switch on and off in a pulsed fashion, for example for exhaust gas feedback Regulates the inductive load L of the valve. The opening size of the valve is controlled according to the adjusted pulse duty cycle.
[0019] Connected to a voltage source (not shown), such as pole +Vb and GND of a vehicle battery, is a series circuit consisting of an inductive load L and a power switch T implemented as a MOSFET.
[0020] The load L is located between the drain d of the power switch T and the positive pole +Vb of the voltage source. The source s is connected to the ...
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