Texas Instruments C2000 Workshop Guide And Lab Manual

PWM Review
7 - 4 C2000 Microcontroller Workshop - Control Peripherals
Why use PWM with Power
Switching Devices?
 Desired output currents or voltages are known
 Power switching devices are transistors
 Difficult to control in proportional region
 Easy to control in saturated region
 PWM is a digital signal ⇒ easy for MCU to output
PWM approx.
of desired
signal
DC Supply
Desired
signal to
system
?
DC Supply
Unknown Gate Signal Gate Signal Known with PWM
PWM
Power-switching devices are difficult to control in the proportional region but are easy to control
in the saturation and cutoff region. Since PWM is a digital signal and easy for microcontrollers to
generate, it is ideal for use with power-switching devices.

Texas Instruments C2000 Specifications

General

Brand	Texas Instruments
Model	C2000
Category	Microcontrollers
Language	English