NPTEL : NOC:Power Management Integrated Circuits (Electrical Engineering)

Co-ordinators : Prof. Qadeer Ahmad Khan


Lecture 1 - Introduction to PMIC - Part 1

Lecture 2 - Introduction to PMIC - Part 2

Lecture 3 - Linear versus Switching Regulators

Lecture 4 - Performance Parameters of Regulators

Lecture 5 - Local vs Remote Feedback, Point of Load Regulators

Lecture 6 - Kelvin Sensing, Droop Compensation

Lecture 7 - Current Regulator Applications, Introduction to Bandgap Voltage References, PTAT and CTAT voltage

Lecture 8 - Adding PTAT and CTAT Voltages

Lecture 9 - Bandgap Voltage Reference Circuit, Brokaw Bandgap Circuit

Lecture 10 - Sub-1-volt Bandgap Circuit

Lecture 11 - Generating Multiple Reference Voltages; Applications of Linear Regulators

Lecture 12 - Designing a Linear Regulator, Negative and Positive Feedback

Lecture 13 - First-Order Systems, Phase Margin

Lecture 14 - Closed-Loop Response of Second-Order Systems

Lecture 15 - Relationship between Damping Factor and Phase Margin, Frequency Compensation, MOS Parasitic Capacitances

Lecture 16 - Finding the Poles of the Error Amplifier - Part 1

Lecture 17 - Finding the Poles of the Error Amplifier - Part 2

Lecture 18 - Dominant Pole Frequency Compensation

Lecture 19 - Dominant Pole Compensation at No-Load

Lecture 20 - Dominant Pole Compensation using Miller Effect, RHP zero due to Miller Capacitor

Lecture 21 - Intuitive Method of Finding the Poles, Pole Splitting after Miller Compensation

Lecture 22 - Effect of RHP zero on Stability, Mitigating the Effect of RHP zero, LDO with NMOS Pass Element

Lecture 23 - Output Impedance of PMOS LDO

Lecture 24 - Line Regulation and PSRR of PMOS LDO

Lecture 25 - PSRR of PMOS versus PSRR of NMOS LDO

Lecture 26 - Sources of Error in Linear and Switching Regulators

Lecture 27 - Offset in Amplifiers; Real Life Analogy; Static Offset Cancellation

Lecture 28 - Dynamic Offset Cancellation Techniques (Chopping, Auto-zeroing)

Lecture 29 - Digital LDO, Technique to Avoid Limit Cycle Oscillations in Digital LDO

Lecture 30 - Hybrid LDO, Short-Circuit Protection

Lecture 31 - Hiccup Mode and Foldback Current Limit

Lecture 32 - Introduction to Switching Regulators

Lecture 33 - volt-second Balance, Non-Idealities in the Power Stage of a Buck Converter

Lecture 34 - Transformer Model of a Buck Converter, Conduction Efficiency, Efficiency of an LDO versus Efficiency of a Switching Regulator

Lecture 35 - Synchronous versus Non-Synchronous Switching Regulators, PWM Control Techniques

Lecture 36 - Losses in Switching Regulators (Conduction Loss, Gate-Driver Switching Loss)

Lecture 37 - Dead-Time Switching Loss in DC-DC Converters

Lecture 38 - Hard Switching Loss in DC DC Converters

Lecture 39 - Magnetic Loss in DC-DC Converters, Relative Significance of Losses as a Function of the Load Current

Lecture 40 - Output Voltage Ripple of a Buck Converter

Lecture 41 - Choosing the Inductor and Capacitor for a Buck Converter

Lecture 42 - CCM Vs DCM Operation in DC DC Converters

Lecture 43 - CCM DCM Boundary Condition, Voltage Conversion Ratio in DCM

Lecture 44 - Concept of Pulse Frequency Modulation PFM

Lecture 45 - Classification of Pulse Width Modulators

Lecture 46 - DC - DC Converter Control Techniques, Stability Analysis of Voltage Mode Buck Converter - Part 1

Lecture 47 - Stability Analysis of Voltage Mode Buck Converter - Part 2

Lecture 48 - Stability Analysis of Voltage Mode Buck Converter - Part 3

Lecture 49 - Dominant Pole Compensation (Type-I with Gm-C Architecture)

Lecture 50 - Dominant Pole Compensation (Type-I with Op Amp-RC Architecture)

Lecture 51 - Introduction to Type-II Compensation

Lecture 52 - Type-II Compensator using Gm-C Architecture - Part 1

Lecture 53 - Type-II Compensator using Gm-C Architecture - Part 2

Lecture 54 - Type-II Compensator using Gm-C Architecture - Part 3

Lecture 55 - Type-II Compensator using Op Amp-RC Architecture

Lecture 56 - Introduction to Type-III Compensator

Lecture 57 - Type-III Compensator using Op Amp-RC Architecture

Lecture 58 - Simulation of DC-DC Converter with Type-III Compensator

Lecture 59 - Type-III Compensator using Gm-C Architecture

Lecture 60 - Feed-Forward Line Compensation, Loop Gain Compensation by Modulating Gm

Lecture 61 - Designing a Buck Converter, Power Loss Budgeting

Lecture 62 - Sizing Power MOSFETs

Lecture 63 - Estimating Switching Losses and Choosing the Switching Frequency

Lecture 64 - Choosing Inductance and Capacitance Values

Lecture 65 - Choosing 'C' Depending on Factors that Limit the Load Transient Response

Lecture 66 - Inductor and Capacitor Characteristics, Reducing the Effect of Capacitor ESL

Lecture 67 - Gate Buffer and Non-Overlap Clock Generator in Gate-Driver Circuit

Lecture 68 - Pulse-Width Modulator- Trailing Edge, Leading Edge and Dual Edge; Triangle Wave Generator

Lecture 69 - Average Ramp Voltage of Single-Edge PW Modulator,Design Considerations of EA

Lecture 70 - Delays Associated with PW Modulator, PFM and PSM Operation, DCM Operation using NMOS

Lecture 71 - Designing a Zero-Cross Comparator, Inverter-Based Auto-Zeroed Comparator, Simulation Demo

Lecture 72 - Current Mode Control- Peak, Valley, Emulated; VMC versus CMC; Sub-Harmonic Oscillation

Lecture 73 - Ramp-Adaptive Slope Compensation to Avoid Current Loop Instability

Lecture 74 - Non-Linear Control of DC-DC Converters, Phase-Shift between i_L and v_C

Lecture 75 - Stabilising a Voltage-Mode Hysteretic Converter using R_esr, Relation between F_sw and the Hysteresis Window

Lecture 76 - Hysteretic Converter - Simulation Demo

Lecture 77 - Current-Mode Hysteretic Converter, Using R-C as Ripple Generator

Lecture 78 - Controlling the Switching Frequency of a Hysteretic Converter, Delay in the Hysteretic Comparator

Lecture 79 - Frequency and Voltage Regulation Loops in a Fixed-Frequency Hysteretic Converter

Lecture 80 - Resetting the Capacitor Voltage in a Hysteretic Converter, Constant ON-Time Control

Lecture 81 - Introduction to Boost Converter, RHP Zero in a Boost Converter

Lecture 82 - Introduction to Buck-Boost Converter

Lecture 83 - Tri-Mode Buck-Boost Converter (Buck, Buck-Boost and Boost)

Lecture 84 - Boundary Conditions for Mode Transition in a Tri-Mode Buck-Boost Converter

Lecture 85 - Generating Buck and Boost Duty Cycles in a Tri-Mode Buck-Boost Converter

Lecture 86 - Introduction to Switched-Capacitor DC-DC Converters,Switched-Capacitor DC-DC Converter with V_o = 2*V_DD

Lecture 87 - Applications of Switched-Capacitor DC-DC Converters in Open-Loop, Regulating the Output using Feedback Control

Lecture 88 - H-Bridge Switched-Capacitor DC-DC Converter,SC DC-DC converter with Multiple Gain Settings

Lecture 89 - Current Sensing Techniques in DC-DC Converters

Lecture 90 - Analog Layout Techniques - Part 1

Lecture 91 - Analog Layout Techniques - Part 2

Lecture 92 - Digital Control of DC-DC Converters, ADC Architectures

Lecture 93 - Digital Pulse-Width Modulator Architectures, Adaptive Compensation

Lecture 94 - Limitations of Analog and Digital Controllers, Time-Based Controller for Buck Converter

Lecture 95 - Time-Based Controller for Buck Converter and for LDO, Issues with Time-Based Control

Lecture 96 - Multi-Phase DC-DC Converters

Lecture 97 - Dynamic Voltage and Frequency Scaling, Single Inductor Multiple Output (SIMO) DC-DC Converter

Lecture 98 - LCD/AMOLED Display Drivers - Part 1

Lecture 99 - LCD/AMOLED Display Drivers - Part 2

Lecture 100 - LCD/AMOLED Display Drivers - Part 3

Lecture 101 - LED Drivers for Camera Flash

Lecture 102 - Li-Ion Battery and its Charging Phases

Lecture 103 - Battery Charger IC