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| - | courses:ee5325_2019:start [2019/08/08 13:21] qkhan [Course Contents] |
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| + | courses:ee5325_2019:start [2020/05/16 18:15] (current) qkhan [Recorded Lectures] |
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| //Introduction to Advanced Topics in Power Management//: | |
| Digitally controlled dc-dc converters, digitally controlled LDOs, time-based control for voltage regulators, adaptive compensation, dynamic voltage scaling (DVS), Single-Inductor Multiple-Outputs (SIMO) Converters, dc-dc converters for LED lighting, Li-ion battery | |
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| ===== Recorded Lectures ===== | |
| Video Lectures for 2019 are available on NPTEL: [[https://nptel.ac.in/courses/108/106/108106159/|Jul-Nov 2019]] | |
| * Lecture-1: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325-pmic.pdf|handout]] (Course contents) | |
| * Lecture-2: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture2_31jul2019.pdf|handout]] (Introduction to power management, application, need, discrete vs. integrated PMIC, dc-dc converter, types of dc-dc converter, linear vs switching regulator) | |
| * Lecture-3: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture3_1aug2019.pdf|handout]] (Linear vs switching regulator, selecting between linear and switching regulators, power management of a smartphone, performance parameters-efficiency, accuracy, line and load regulation, line transient) | |
| * Lecture-4: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture4_6aug2019.pdf|handout]] (Load transient, PSRR, remote vs. local feedback, point-of-load, | |
| * Lecture-5: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture5_7aug2019.pdf|handout]] (droop compensation, current regulator, bandgap voltage reference) | |
| * Lecture-6: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture6_8aug2019.pdf|handout]] (PTAT and CTAT voltage reference, designing a bandgap reference using PTAT and CTAT, Brokaw bandgap reference) | |
| * Lecture-7: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture7_9aug2019.pdf|handout]] (Sub-1V bandgap reference, introduction of linear regulator) | |
| * Lecture-8: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture8_14aug2019.pdf|handout]] (Pass elements, review of feedback system and bode plot, Loop gain AC analysis, stability criterion and phase margin) | |
| * Lecture-9: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture9_16aug2019.pdf|handout]] (Review of 2nd order system, relationship between damping factor and phase margin, stabilizing a linear regulator - compensation techniques) | |
| * Lecture-10: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture10_20aug2019.pdf|handout]] (Dominant pole compensation) | |
| * Lecture-11: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture11_21aug2019.pdf|handout]] (Dominant pole compensation-contd., miller effect) | |
| * Lecture-12: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture12_22aug2019.pdf|handout]] (R.H.P. zero in miller compensation, determining poles and zeroes after miller compensation, pole splitting, removing RH.P. zero) | |
| * Lecture-13: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture13_27aug2019.pdf|handout]] (Reducing the effect of R.H.P. zero, load regulation and output impedance of LDO) | |
| * Lecture-14: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture14_28aug2019.pdf|handout]] (Line regulation and power supply rejection of LDO, NMOS LDO) | |
| * Lecture-15: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture15_29aug2019.pdf|handout]] (Sources of error in regulator, static offset correction) | |
| * Lecture-16: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture16_3sep2019.pdf|handout]] (Dynamic offset cancellation, digital LDO) | |
| * Lecture-17: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture17_4sep2019.pdf|handout]] (Hybrid LDO, current limit and short circuit protection) | |
| * Lecture-18: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture18_5sep2019.pdf|handout]] (Switching regulator concept, inductor ripple current, volt-second balance, power stage and calculating duty cycle resistive losses) | |
| * Lecture-19: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture19_6sep2019.pdf|handout]] (Transfer model of a buck converter, efficiency of switching regulator, efficiency with only conduction losses, synchronous and non-synchronous converter) | |
| * Lecture-20: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture20_10sep2019.pdf|handout]] (Losses in switching dc-dc converter, conduction loss, gate switching loss, dead time switching loss) | |
| * Lecture-21: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture21_12sep2019.pdf|handout]] (Hard switching loss, magnetic loss, power loss vs. load current) | |
| * Lecture-22: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture22_13sep2019.pdf|handout]] (Output voltage ripple in dc-dc converter, ripple voltage vs. duty cycle, ripple voltage vs input supply voltage, choosing inductor and capacitor) | |
| * Lecture-23: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture23_17sep2019.pdf|handout]] (Continuous and dis-continuous conduction modes) | |
| * Lecture-24: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture24_18sep2019.pdf|handout]] (Pulse width modulation - trailing, leading and dual edge modulation, voltage mode control, small signal modelling of dc-dc converter) | |
| * Lecture-25: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture25_19sep2019.pdf|handout]] (Small signal loop gain analysis using continuous time model, dominant pole compensation - type-I or integral compensation) | |
| * Lecture-26: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture26_20sep2019.pdf|handout]] (Designing type-I compensator using opamp-RC and gm-C) | |
| * Lecture-27: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture27_24sep2019.pdf|handout]] (Type-II compesator, designing type-II compensator using gm-C) | |
| * Lecture-28: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture28_25sep2019.pdf|handout]] (Designing type-II compensator using opamp-RC, Type-III compensator, type-III to PID transformation) | |
| * Lecture-29: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture29_26sep2019.pdf|handout]] (Designing type-III compensator using opamp-RC) | |
| * Lecture-30: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture30_27sep2019.pdf|handout]] (Designing type-III compensator using gm-C) | |
| * Lecture-31: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture31_3oct2019.pdf|handout]] (Feed-forward line compensation, loop gain compensation using gm modulation) | |
| * Lecture-32: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture32_4oct2019.pdf|handout]] (Designing a buck converter, budgeting power loss, sizing power MOSFETs) | |
| * Lecture-33: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture33_9oct2019.pdf|handout]] (Estimating switching losses, finding values of L & C) | |
| * Lecture-34: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture34_10oct2019.pdf|handout]] (Bandwidth limited load transient response, inductor limited load load transient response, re-calucating the output capacitor based on load transient, selecting inductor, inductor saturation and rated currents) | |
| * Lecture-35: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture35_11oct2019.pdf|handout]] (Selecting capacitor, effect of capacitor ESL, reducing the effect of ESL by using parallel capacitors) | |
| * Lecture-36: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture36_15oct2019.pdf|handout]] (PWM ramp generator, oscillator as a triangle wave generator, effect of ramp common mode on error amplifier gain, shifting common mode a ramp) | |
| * Lecture-37: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture37_16oct2019.pdf|handout]] (Design considerations of error amplifier, delays associated with PWM modulator, pulse skip modulation (PSM) and pulse frequency modulation (PFM)) | |
| * Lecture-38: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture38_17oct2019.pdf|handout]] (Implementing DCM operation, designing a zero cross comparator/detector) | |
| * Lecture-39: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture39_18oct2019.pdf|handout]] (Current mode control - basic concept, voltage vs. current mode control, types of current mode control - peak, valley and emulated, sub-harmonic oscillations and current loop instability, ramp/slope compensation, adaptive slope compensation) | |
| * Lecture-40: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture40_22oct2019.pdf|handout]] (Hysteretic control, instability in a voltage mode hysteretic converter, stabilizing a hysteretic converter using Resr, frequency variation in hysteretic converter, calculating Resr and Cout) | |
| * Lecture-41: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture41_24oct2019.pdf|handout]] (Current mode hysteretic converter, using R-C as ripple generator, error correction in current mode converter, controlling switching frequency of a hysteretic converter) | |
| * Lecture-42: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture42_25oct2019.pdf|handout]] (Fixed frequency hysteretic converter) | |
| * Lecture-43: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture43_29oct2019.pdf|handout]] (Constant ON/OFF time control, boost converter) | |
| * Lecture-44: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture44_30oct2019.pdf|handout]] (Buck-Boost converter, tri-mode buck boost converter, issue with mode transition, transition boundary condition) | |
| * Lecture-45: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture45_31oct2019.pdf|handout]] (Generating PWM in a tri-mode buck-boost, digital control in buck-boost mode) | |
| * Lecture-46: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture46_1nov2019.pdf|handout]] (Switched capacitor dc-dc converter, application as cascaded switched capacitor and inductive dc-dc converter, regulating output using PFM/Burst mode) | |
| * Lecture-47: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture47_5nov2019.pdf|handout-1]] [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture47_slides_5nov2019.pdf|handout-2]] (1/2x, 2x, 1/3x and inverting SC dc-dc converter, application as cascaded SC and LDO, efficiency of SC dc-dc converter)]] | |
| * Lecture-48: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture48_6nov2019.pdf|handout]] (Analog layout techniques) | |
| * Lecture-49: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture49_7nov2019.pdf|handout]] (Digitally controlled dc-dc converters) | |
| * Lecture-50: [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ee5325_2019/ee5325_lecture50_8nov2019.pdf|handout]] (Time-based voltage regulators) | |