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SPRUI07–March 2020
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Enhanced Pulse Width Modulator (ePWM) Module
Chapter 3
SPRUI07–March 2020
Enhanced Pulse Width Modulator (ePWM) Module
The enhanced pulse width modulator (ePWM) peripheral is a key element in controlling many of the power
electronic systems found in both commercial and industrial equipments. These systems include digital
motor control, switch mode power supply control, uninterruptible power supplies (UPS), and other forms of
power conversion. The ePWM peripheral performs a digital to analog (DAC) function, where the duty cycle
is equivalent to a DAC analog value; it is sometimes referred to as a Power DAC.
This chapter is applicable for ePWM type 0. See the C2000 Real-Time Control Peripherals Reference
Guide for a list of all devices with an ePWM module of the same type, to determine the differences
between the types, and for a list of device-specific differences within a type.
Topic ........................................................................................................................... Page
3.1 Introduction ..................................................................................................... 219
3.2 ePWM Submodules........................................................................................... 224
3.3 Applications to Power Topologies ...................................................................... 274
3.4 Registers......................................................................................................... 296
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