SLLA621A
September 2023 – October 2023
MCF8315A
,
MCF8316A
1
Abstract
Trademarks
1
Introduction
2
Design Challenge 1: Thermal Challenges
2.1
Causes of Thermal Issues
2.2
How to Solve Thermal Issues
2.2.1
Solve the Thermal Problem From Hardware
2.2.2
Solve the Thermal Problem from Algorithm
2.2.2.1
MCF8315 Test 1
2.2.2.2
MCF8315 Test 2
2.2.2.3
MCF8316 Test 1
2.2.2.4
MCF8316 Test 2
2.2.3
Solve the Thermal Challenges From PCB Layout
3
Design Challenge 2: Quick Startup
3.1
Causes of Quick Startup Issues
3.2
How to Solve Quick Startup Issues
4
Summary
4.1
Acknowledgment
5
References
6
Revision History
2.2.2.1
MCF8315 Test 1
Figure 2-3
MCF8315 Current Waveform in Test 1 Configuration
Figure 2-4
MCF8315 Thermal Image in Test 1 Configuration
Slew Rate[SLEW_RATE]=200V/us
PWM output frequency[PWM_FREQ_OUT]=15KHz
PWM modulation scheme[PWM MODE]=Discontinuous Space Vector Modulation
Dynamic Voltage adjust[DYNAMIC_VOLTAGE_GAIN_EN]=Enabled
Dynamic CSA Gainb adjust[DYNAMIC_CSA_GAIN_EN] = Enabled
Deadtime compensation[DEADTIME_COMP_EN] = Enabled