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Course Detail

Course Name Battery Management System
Course Code 24AT742
Program M. Tech. in Automotive Engineering
Credits 3
Campus Coimbatore , Chennai , Bengaluru , Amritapuri , Kochi

Syllabus

Elective Streams Electric and Hybrid Vehicles

Lab content 45 hours

  1. Introduction to BQ – Studio software and Master Slave BMS
  2. Accessing register map of BQ79606EVM via BQ –
  3. Introduction to register configuration of BQ79606
  4. Configuration of measurement frequency, modes of operation and cell
  5. Configuration of temperature measurement, communication channel type and
  6. Configuration of Over_X and Under_X registers or BQ79606
Unit 1

Introduction: Lithium ion cell types, datasheet reading, dimensions, maximum charge and discharge currents, life cycle etc – Lithium ion cell characteristics: Dependence of cycle life, state of charge (SoC) and state of health (SoH) on various parameters – Battery pack design: Electrical, mechanical and thermal considerations.

Unit 2

Battery management system – Introduction – Types: Standalone and master – slave configuration – Functionality: Simple circuits for cell balancing(active and passive balancing), Protection: Cell Undervoltage Protection, Cell Overvoltage Protection, Overcurrent in Charge Protection, Overcurrent in Discharge Protection – High side FETs and Low side FETs, Under temperature in Charge Protection, Under temperature in Discharge Protection, Overtemperature in Charge Protection, Overtemperature in Discharge Protection, Precharge and Predischarge circuits.

Unit 3

SOC and SOH estimation techniques: Open circuit volage tracking, Impedance tracking and Extended Kalman Filter – Commercially available battery monitors and protectors: Analog Devices LTC3300 – X and LT8584 and Renesas ISL94216A – Standards: AIS – 038 and AIS – 156.

Objectives and Outcomes

Course Objectives

  1. To provide knowledge on lithium-ion cell types, datasheet reading, dimensions, maximum charge/discharge currents, and lifecycle considerations.
  2. To provide knowledge on battery pack design focusing on electrical, mechanical, and thermal aspects for optimization.
  3. To familiarize battery management systems, including standalone and master-slave configurations, and their functionalities.
  4. To make students’ understand state-of-charge (SOC) and state-of-health (SOH) estimation techniques using various methodologies.

Course Outcomes

CO CO Description
CO1 Interpret lithium-ion cell datasheets effectively for informed decision-making.
CO2 Design efficient battery packs considering performance and safety requirements.
CO3 Configure and implement robust battery management systems, including cell balancing and protection mechanisms.
CO4 Apply SOC and SOH estimation techniques to evaluate battery health and performance accurately.

CO-PO Mapping

PO1 PO2 PO3 PO4 PO5
CO1 3 2 1 3
CO2 2 2 1 1 3
CO3 3 2 1 1 3
CO4 3 2 1 1 3

Skills acquired

Interpreting lithium-ion cell datasheets and designing efficient battery packs, as well as configuring robust battery management systems and evaluate battery performance.

Text Books / References

Text Books / References

  1. John Warner, “The Handbook of Lithium-Ion Battery Pack Design: Chemistry, Components, Types and Terminology”, Elsevier 2015
  2. Sandeep Dhameja, “Electric Vehicle Battery Systems”, Newnes, 2002
  3. Datasheets: LTC3300 – X, ISL94216A
  4. Standards: AIS – 038, AIS – 156
  5. BQ79606A – Q1 Evaluation module user guide
  6. BQ79606A – Q1 Datasheet
  7. https://ti.com/lit/ug/slou471e/slou471e.pdf?ts=1705051471748&ref_url=https%253A%252F%252Fw ww.ti.com%252Ftool%252FBQ79606EVM-897
  8. https://ti.com/lit/ds/slusdq4/slusdq4.pdf?ts=1705051477267&ref_url=https%253A%252F%252Fww w.ti.com%252Ftool%252FBQ79606EVM-897

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