Power Management Integrated Circuits

Lectures

Week 1

1. Introduction to PMIC - Part 1 Video
2. Introduction to PMIC - Part 2 Video
3. Linear versus Switching Regulators Video
4. Performance Parameters of Regulators Video
5. Local vs Remote Feedback, Point of Load Regulators Video
6. Kelvin Sensing, Droop Compensation Video
7. Current Regulator Applications, Introduction to Bandgap Voltage References, PTAT and CTAT voltage Video
8. Adding PTAT and CTAT Voltages Video
9. Bandgap Voltage Reference Circuit, Brokaw Bandgap Circuit Video

Week 2

10. Sub-1-volt Bandgap Circuit Video
11. Generating Multiple Reference Voltages; Applications of Linear Regulators Video
12. Designing a Linear Regulator, Negative and Positive Feedback Video
13. First-Order Systems, Phase Margin Video
14. Closed-Loop Response of Second-Order Systems Video
15. Relationship between Damping Factor and Phase Margin, Frequency Compensation, MOS Parasitic Capacitances Video
16. Finding the Poles of the Error Amplifier - Part 1 Video
17. Finding the Poles of the Error Amplifier - Part 2 Video
18. Dominant Pole Frequency Compensation Video
19. Dominant Pole Compensation at No-Load Video

Week 3

20. Dominant Pole Compensation using Miller Effect, RHP zero due to Miller Capacitor Video
21. Intuitive Method of Finding the Poles, Pole Splitting after Miller Compensation Video
22. Effect of RHP zero on Stability, Mitigating the Effect of RHP zero, LDO with NMOS Pass Element Video
23. Output Impedance of PMOS LDO Video
24. PSRR of PMOS LDO, Introduction to NMOS LDO Video
25. Output Impedance & PSRR of NMOS LDO Video
26. Sources of Error in Linear and Switching Regulators Video

Week 4

27. Offset in Amplifiers; Real Life Analogy; Static Offset Cancellation Video
28. Dynamic Offset Cancellation Techniques (Chopping, Auto-zeroing) Video
29. Digital LDO, Technique to Avoid Limit Cycle Oscillations in Digital LDO Video
30. Hybrid LDO, Short-Circuit Protection Video
31. Hiccup Mode and Foldback Current Limit Video
32. Introduction to Switching Regulators Video
33. volt-second Balance, Non-Idealities in the Power Stage of a Buck Converter Video
34. Transformer Model of a Buck Converter, Conduction Efficiency, Efficiency of an LDO versus Efficiency of a Switching Regulator Video
35. Synchronous versus Non-Synchronous Switching Regulators, PWM Control Techniques Video
36. Losses in Switching Regulators (Conduction Loss, Gate-Driver Switching Loss) Video
37. Dead-Time Switching Loss in DC-DC Converters Video

Week 5

38. Hard Switching Loss in DC DC Converters Video
39. Magnetic Loss in DC-DC Converters, Relative Significance of Losses as a Function of the Load Current Video
40. Output Voltage Ripple of a Buck Converter Video
41. Choosing the Inductor and Capacitor for a Buck Converter Video
42. CCM Vs DCM Operation in DC DC Converters Video
43. CCM DCM Boundary Condition, Voltage Conversion Ratio in DCM Video
44. Concept of Pulse Frequency Modulation PFM Video
45. Classification of Pulse Width Modulators Video
46. DC - DC Converter Control Techniques, Stability Analysis of Voltage Mode Buck Converter Part 1 Video
47. Stability Analysis of Voltage Mode Buck Converter Part 2 Video
48. Stability Analysis of Voltage Mode Buck Converter Part 3 Video

Week 6

49. Dominant Pole Compensation (Type-I with Gm-C Architecture) Video
50. Dominant Pole Compensation (Type-I with Op Amp-RC Architecture) Video
51. Introduction to Type-II Compensation Video
52. Type-II Compensator using Gm-C Architecture - Part 1 Video
53. Type-II Compensator using Gm-C Architecture - Part 2 Video
54. Type-II Compensator using Gm-C Architecture - Part 3 Video
55. Type-II Compensator using Op Amp-RC Architecture Video
56. Introduction to Type-III Compensator Video
57. Type-III Compensator using Op Amp-RC Architecture Video
58. Simulation of DC-DC Converter with Type-III Compensator Video

Week 7

59. Type-III Compensator using Gm-C Architecture Video
60. Feed-Forward Line Compensation, Loop Gain Compensation by Modulating Gm Video
61. Designing a Buck Converter, Power Loss Budgeting Video
62. Sizing Power MOSFETs Video
63. Estimating Switching Losses and Choosing the Switching Frequency Video
64. Choosing Inductance and Capacitance Values Video
65. Choosing 'C' Depending on Factors that Limit the Load Transient Response Video
66. Inductor and Capacitor Characteristics, Reducing the Effect of Capacitor ESL Video

Week 8

67. Gate Buffer and Non-Overlap Clock Generator in Gate-Driver Circuit Video
68. Pulse-Width Modulator- Trailing Edge, Leading Edge and Dual Edge; Triangle Wave Generator Video
69. Average Ramp Voltage of Single-Edge PW Modulator,Design Considerations of EA Video
70. Delays Associated with PW Modulator, PFM and PSM Operation, DCM Operation using NMOS Video
71. Designing a Zero-Cross Comparator, Inverter-Based Auto-Zeroed Comparator, Simulation Demo Video
72. Current Mode Control- Peak, Valley, Emulated; VMC versus CMC; Sub-Harmonic Oscillation Video
73. Ramp-Adaptive Slope Compensation to Avoid Current Loop Instability Video

Week 9

74. Non-Linear Control of DC-DC Converters, Phase-Shift between i_L and v_C Video
75. Stabilising a Voltage-Mode Hysteretic Converter using R_esr, Relation between F_sw and the Hysteresis Window Video
76. Hysteretic Converter - Simulation Demo Video
77. Current-Mode Hysteretic Converter, Using R-C as Ripple Generator Video
78. Controlling the Switching Frequency of a Hysteretic Converter, Delay in the Hysteretic Comparator Video
79. Frequency and Voltage Regulation Loops in a Fixed-Frequency Hysteretic Converter Video
80. Resetting the Capacitor Voltage in a Hysteretic Converter, Constant ON-Time Control Video
81. Introduction to Boost Converter, RHP Zero in a Boost Converter Video

Week 10

82. Introduction to Buck-Boost Converter Video
83. Tri-Mode Buck-Boost Converter (Buck, Buck-Boost and Boost) Video
84. Boundary Conditions for Mode Transition in a Tri-Mode Buck-Boost Converter Video
85. Generating Buck and Boost Duty Cycles in a Tri-Mode Buck-Boost Converter Video
86. Introduction to Switched-Capacitor DC-DC Converters,Switched-Capacitor DC-DC Converter with V_o = 2*V_DD Video
87. Applications of Switched-Capacitor DC-DC Converters in Open-Loop, Regulating the Output using Feedback Control Video
88. H-Bridge Switched-Capacitor DC-DC Converter,SC DC-DC converter with Multiple Gain Settings Video
89. Current Sensing Techniques in DC-DC Converters Video

Week 11

90. Analog Layout Techniques - Part 1 Video
91. Analog Layout Techniques - Part 2 Video
92. Digital Control of DC-DC Converters, ADC Architectures Video
93. Digital Pulse-Width Modulator Architectures, Adaptive Compensation Video
94. Limitations of Analog and Digital Controllers, Time-Based Controller for Buck Converter Video
95. Time-Based Controller for Buck Converter and for LDO, Issues with Time-Based Control Video
96. Multi-Phase DC-DC Converters Video
97. Dynamic Voltage and Frequency Scaling, Single Inductor Multiple Output (SIMO) DC-DC Converter Video

Week 12

98. LCD/AMOLED Display Drivers - Part 1 Video
99. LCD/AMOLED Display Drivers - Part 2 Video
100. LCD/AMOLED Display Drivers - Part 3 Video
101. LED Drivers for Camera Flash Video
102. Li-Ion Battery and its Charging Phases Video
103. Battery Charger IC Video

Live Session

104. Live Session 25-02-2021 Video
105. Live Session 27-02-2020 Video