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EV Charging and
Infrastructure
Solutions to Enhance Safety, Efficiency,
and Reliability
Electrical safety for users is of top
importance when dealing with equipment
that could potentially expose people to
electrical shock or other hazards.
Power conversion efficiency is a key
concern for fast charging systems and is
measured by the power delivered to a vehicle
versus the power taken from the AC grid..
For an infrastructure installation intended to
provide over 10 years of service in harsh
environments, system reliability is critical to
ensure a return on investment.
5Confidential and Proprietary | Littelfuse, Inc. © 2019 5
Global Electric Vehicle Charging Equipment Market
Market Trends and Drivers
Production of new EV charging equipment to increase at a compound
annual growth rate (CAGR) of 22% between 2018 and 2026
Increasing production of electrified vehicles: estimated 6 million
vehicles in 2019 growing to 16 million vehicles in 2023
Limited charging infrastructure in most regions
Majority of charging to occur at home or workplace during a span of
several hours (AC charging)
Consumer demand for charging times to emulate fuel refill time for
long-distance trips (DC charging)
Increasing voltage and power output of DC chargers for fast charging
Evolving business models: increase property value; revenue
generation
Sources: Boston Consulting Group – The Electric Car Tipping Point, 2018;
Navigant Research – Market Data: Electric Vehicle Charging Equipment, 2017; Littelfuse estimates
AC Level 1
7.6%
AC Level 2
90.5%
DC
1.8%
Wireless
0.1%
EV Charging Equipment, by Type, in 2018
Source: Navigant Research – Market Data: Electric Vehicle Charging Equipment, 2017
-
1
2
3
4
5
6
2018 2019 2020 2021 2022 2023 2024 2025 2026
MillionUnits
EV Charging Equipment Forecast
AC Level 1 AC Level 2 DC Wireless
6Confidential and Proprietary | Littelfuse, Inc. © 2019 6
Types of Electric Vehicle Charging Stations
* Charge time dependent on vehicle’s battery capacity and charge acceptance rate
 120V AC, 1-phase, 12A or 16A max.
continuous current
AC Level 1
 250V AC, 1-phase,
16A max. -OR-
480V AC, 3-phase,
16A max.
 Cord with no pilot or
auxiliary
connections
Mode 1 (AC)
 250V AC, 1-phase,
32A max. -OR-
480V AC, 3-phase,
32A max.
 Cord with control
pilot & shock
protection
Mode 2 (AC)
 Delivers AC power from the wall socket to
vehicle’s on-board charger
 Typically takes 8-12 hours* to charge fully
depleted battery
 208V-240V AC, 1-phase, ≤ 80A max.
continuous current
AC Level 2
 250V AC, 1-phase, 32A max.
-OR-
480V AC, 3-phase, 32A max.
 Permanently connected to AC supply with control
pilot & shock protection
Mode 3 (AC)
 Delivers AC power from the electrical supply to
vehicle’s on-board charger
 Typically takes 4-6 hours* to charge fully depleted
battery
 Delivers DC power, bypassing the vehicle’s
on-board charger
 Typically provides 80% charge of fully depleted
battery within 30 minutes*
 380V-600V AC, 3-phase input;
DC output
DC Fast Charger
 AC or DC input supply, cord or permanently
connected, with control pilot & shock protection
Mode 4 (DC)
■ As defined by SAE J1772
■ As defined by IEC 61851-1
Features FeaturesFeatures
7Confidential and Proprietary | Littelfuse, Inc. © 2019 7
Find the Right Fit For Your Application
Use our guide to easily find the right products for your EV
charging application.
Click below to access the downloadable guide.
Get the Guide
8Confidential and Proprietary | Littelfuse, Inc. © 2019 8
AC Charging Station
Charging Plug: ■
 NTC Thermistor or RTD
Temperature Sensing
Communications: ■■
 NFC Analog Front-End
 Diode Array/Polymer ESD Suppressor
■ Protect ■ Control ■ Sense
AC Input: ■
 Power Fuse Overcurrent Protection
 Fuse Block Mounting Accessory
Auxiliary Power Supply: ■■■
 Cartridge Fuse Overcurrent Protection
 TMOV/MOV, GDT Surge Protection
 SMPS* Buck/Boost Module
 SMPS* Opto-isolator Feedback Control
 SMPS* Diode/Rectifier
 TVS Diode Overvoltage Protection
 PPTC Resettable Overcurrent
Protection
 NTC Thermistor Temperature Sensing
* Switched-mode Power Supply
User Interfaces: ■■
 TVS Diode Overvoltage Protection
 Diode Array/Polymer ESD Suppressor
Service Access Panel: ■
 Reed or Hall Effect Security Sensor
9Confidential and Proprietary | Littelfuse, Inc. © 2019 9
DC Charging Station
■ Protect ■ Control ■ Sense
Charging Plug: ■
 NTC Thermistor or RTD
Temperature Sensing
Communications: ■■
 NFC Analog Front-End
 Diode Array/Polymer ESD Suppressor
Electrical Distribution: ■■
 Power Fuse Overcurrent Protection
 Fuse Block Mounting Accessory
 Earth-Fault Protection Relay
 Current Transformer Leakage
Current Sensing
Auxiliary Power Supply: ■■■
 Cartridge Fuse Overcurrent Protection
 TMOV/MOV, GDT Surge Protection
 SMPS* Buck/Boost Module
 SMPS* Opto-isolator Feedback Control
 SMPS* Diode/Rectifier
 TVS Diode Overvoltage Protection
 PPTC Resettable Overcurrent
Protection
 NTC Thermistor Temperature Sensing
User Interfaces: ■■
 TVS Diode Overvoltage Protection
 Diode Array/Polymer ESD Suppressor
Service Access Panel: ■
 Reed or Hall Effect Security Sensor
Power Module: ■■■
 Cartridge Fuse Overcurrent Protection
 TMOV/MOV, GDT, TVS Diode,
SIDACtor Surge Protection
 Rectifier Module Power Conversion
 IGBT Power Conversion
 Si or SiC MOSFET Power Conversion
 Gate Driver Control
 Si or SiC Diode Power Conversion
 NTC Thermistor Temperature Sensor
* Switched-mode Power Supply
10Confidential and Proprietary | Littelfuse, Inc. © 2019 10
Wireless Charging System
Service Access Panel: ■
 Reed and Hall Effect Security Sensor
Power Module: ■■■
 Cartridge Fuse Overcurrent Protection
 TMOV/MOV, GDT, TVS Diode,
SIDACtor Surge Protection
 Rectifier Module Power Conversion
 IGBT Power Conversion
 Si or SiC MOSFET Power Conversion
 Gate Driver Control
 Si or SiC Diode Power Conversion
 NTC Thermistor Temperature Sensor
Auxiliary Power Supply: ■■■
 Cartridge Fuse Overcurrent Protection
 TMOV/MOV, GDT Surge Protection
 SMPS* Buck/Boost Module
 SMPS* Opto-isolator Feedback Control
 SMPS* Diode/Rectifier
 TVS Diode Overvoltage Protection
 PPTC Resettable Overcurrent
Protection
 NTC Thermistor Temperature Sensing
Electrical Distribution: ■■
 Power Fuse Overcurrent Protection
 Fuse Block Mounting Accessory
 Earth-Fault Protection Relay
 Current Transformer Leakage Current
Sensing
■ Protect ■ Control ■ Sense
* Switched-mode Power Supply
11Confidential and Proprietary | Littelfuse, Inc. © 2019 11
Select Standards for EV Charging Equipment
Standard Title General Scope Region
IEC 61851
Series
Electric Vehicle Conductive Charging System
Various parts of this standard cover general requirements, along with
AC chargers and DC chargers specifically.
Global
IEC 62196
Series
Plugs, Socket-Outlets, Vehicle Connectors and Vehicle Inlets -
Conductive Charging of Electric Vehicles
Standards for charging plugs, sockets, and connectors. Global
IEC 61980
Series
Electric Vehicle Wireless Power Transfer (WPT) Systems
Various parts of this standard cover general requirements for wireless
charging systems, along with specific technology-based requirements.
Global
GB/T 18487
Series
Electric Vehicle Conductive Charging System
Various parts of this standard cover general requirements, along with
AC chargers and DC chargers specifically.
China
GB/T 20234
Series
Connection Set for Conductive Charging of Electric Vehicles Standards for charging plugs in China. China
JIS TS D 0007 Basic Function of Quick Charger for the Electric Vehicle Standard for CHAdeMO (DC) chargers in Japan. Japan
SAE J1772*
Electric Vehicle and Plug-in Hybrid Electric Vehicle Conductive
Charge Coupler
Physical, electrical, functional and performance standard for charging
plugs in North America.
North
America
SAE J2954*
Wireless Power Transfer for Light-Duty Plug-In/Electric Vehicles and
Alignment Methodology
Interoperability, electromagnetic compatibility, EMF, minimum
performance, safety and testing for wireless chargers in North
America.
North
America
UL 2594 Standard for Electric Vehicle Supply Equipment
Safety standard for AC chargers in North America. Tri-national
standard for U.S., Canada, and Mexico (known as CAN/CSA C22.2
No. 280 in Canada and NMX-J-677-ANCE in Mexico).
North
America
UL 2202 Standard for Electric Vehicle (EV) Charging System Equipment Safety standard for DC chargers in the United States. U.S.
* J1772TM and J2954TM are registered trademarks of SAE International
12Confidential and Proprietary | Littelfuse, Inc. © 2019 12
Littelfuse Delivers Enhanced Safety, Efficiency, and
Reliability for Electric Vehicle Charging
Global delivery network with localized distribution and customer support
 Reference solutions to help meet global safety requirements
 System-level design compliance support
 Components designed to help meet energy efficiency
 High-volume manufacturing with highest quality standards to ensure reliability
View EV Charging Solutions on Littelfuse.com
Our team of experts have helped design some
of the most efficient and reliable next-generation
power converters for EV charging stations. Plus,
we can help you navigate critical standards and
codes governing the EV market.
14Confidential and Proprietary | Littelfuse, Inc. © 2019 14
Be First to Hear About Our Latest EV Charging Solutions
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EV Charging Infrastructure: Littelfuse Solutions to Enhance Safety, Efficiency, and Reliability

  • 1. 11 EV Charging and Infrastructure Solutions to Enhance Safety, Efficiency, and Reliability
  • 2. Electrical safety for users is of top importance when dealing with equipment that could potentially expose people to electrical shock or other hazards.
  • 3. Power conversion efficiency is a key concern for fast charging systems and is measured by the power delivered to a vehicle versus the power taken from the AC grid..
  • 4. For an infrastructure installation intended to provide over 10 years of service in harsh environments, system reliability is critical to ensure a return on investment.
  • 5. 5Confidential and Proprietary | Littelfuse, Inc. © 2019 5 Global Electric Vehicle Charging Equipment Market Market Trends and Drivers Production of new EV charging equipment to increase at a compound annual growth rate (CAGR) of 22% between 2018 and 2026 Increasing production of electrified vehicles: estimated 6 million vehicles in 2019 growing to 16 million vehicles in 2023 Limited charging infrastructure in most regions Majority of charging to occur at home or workplace during a span of several hours (AC charging) Consumer demand for charging times to emulate fuel refill time for long-distance trips (DC charging) Increasing voltage and power output of DC chargers for fast charging Evolving business models: increase property value; revenue generation Sources: Boston Consulting Group – The Electric Car Tipping Point, 2018; Navigant Research – Market Data: Electric Vehicle Charging Equipment, 2017; Littelfuse estimates AC Level 1 7.6% AC Level 2 90.5% DC 1.8% Wireless 0.1% EV Charging Equipment, by Type, in 2018 Source: Navigant Research – Market Data: Electric Vehicle Charging Equipment, 2017 - 1 2 3 4 5 6 2018 2019 2020 2021 2022 2023 2024 2025 2026 MillionUnits EV Charging Equipment Forecast AC Level 1 AC Level 2 DC Wireless
  • 6. 6Confidential and Proprietary | Littelfuse, Inc. © 2019 6 Types of Electric Vehicle Charging Stations * Charge time dependent on vehicle’s battery capacity and charge acceptance rate  120V AC, 1-phase, 12A or 16A max. continuous current AC Level 1  250V AC, 1-phase, 16A max. -OR- 480V AC, 3-phase, 16A max.  Cord with no pilot or auxiliary connections Mode 1 (AC)  250V AC, 1-phase, 32A max. -OR- 480V AC, 3-phase, 32A max.  Cord with control pilot & shock protection Mode 2 (AC)  Delivers AC power from the wall socket to vehicle’s on-board charger  Typically takes 8-12 hours* to charge fully depleted battery  208V-240V AC, 1-phase, ≤ 80A max. continuous current AC Level 2  250V AC, 1-phase, 32A max. -OR- 480V AC, 3-phase, 32A max.  Permanently connected to AC supply with control pilot & shock protection Mode 3 (AC)  Delivers AC power from the electrical supply to vehicle’s on-board charger  Typically takes 4-6 hours* to charge fully depleted battery  Delivers DC power, bypassing the vehicle’s on-board charger  Typically provides 80% charge of fully depleted battery within 30 minutes*  380V-600V AC, 3-phase input; DC output DC Fast Charger  AC or DC input supply, cord or permanently connected, with control pilot & shock protection Mode 4 (DC) ■ As defined by SAE J1772 ■ As defined by IEC 61851-1 Features FeaturesFeatures
  • 7. 7Confidential and Proprietary | Littelfuse, Inc. © 2019 7 Find the Right Fit For Your Application Use our guide to easily find the right products for your EV charging application. Click below to access the downloadable guide. Get the Guide
  • 8. 8Confidential and Proprietary | Littelfuse, Inc. © 2019 8 AC Charging Station Charging Plug: ■  NTC Thermistor or RTD Temperature Sensing Communications: ■■  NFC Analog Front-End  Diode Array/Polymer ESD Suppressor ■ Protect ■ Control ■ Sense AC Input: ■  Power Fuse Overcurrent Protection  Fuse Block Mounting Accessory Auxiliary Power Supply: ■■■  Cartridge Fuse Overcurrent Protection  TMOV/MOV, GDT Surge Protection  SMPS* Buck/Boost Module  SMPS* Opto-isolator Feedback Control  SMPS* Diode/Rectifier  TVS Diode Overvoltage Protection  PPTC Resettable Overcurrent Protection  NTC Thermistor Temperature Sensing * Switched-mode Power Supply User Interfaces: ■■  TVS Diode Overvoltage Protection  Diode Array/Polymer ESD Suppressor Service Access Panel: ■  Reed or Hall Effect Security Sensor
  • 9. 9Confidential and Proprietary | Littelfuse, Inc. © 2019 9 DC Charging Station ■ Protect ■ Control ■ Sense Charging Plug: ■  NTC Thermistor or RTD Temperature Sensing Communications: ■■  NFC Analog Front-End  Diode Array/Polymer ESD Suppressor Electrical Distribution: ■■  Power Fuse Overcurrent Protection  Fuse Block Mounting Accessory  Earth-Fault Protection Relay  Current Transformer Leakage Current Sensing Auxiliary Power Supply: ■■■  Cartridge Fuse Overcurrent Protection  TMOV/MOV, GDT Surge Protection  SMPS* Buck/Boost Module  SMPS* Opto-isolator Feedback Control  SMPS* Diode/Rectifier  TVS Diode Overvoltage Protection  PPTC Resettable Overcurrent Protection  NTC Thermistor Temperature Sensing User Interfaces: ■■  TVS Diode Overvoltage Protection  Diode Array/Polymer ESD Suppressor Service Access Panel: ■  Reed or Hall Effect Security Sensor Power Module: ■■■  Cartridge Fuse Overcurrent Protection  TMOV/MOV, GDT, TVS Diode, SIDACtor Surge Protection  Rectifier Module Power Conversion  IGBT Power Conversion  Si or SiC MOSFET Power Conversion  Gate Driver Control  Si or SiC Diode Power Conversion  NTC Thermistor Temperature Sensor * Switched-mode Power Supply
  • 10. 10Confidential and Proprietary | Littelfuse, Inc. © 2019 10 Wireless Charging System Service Access Panel: ■  Reed and Hall Effect Security Sensor Power Module: ■■■  Cartridge Fuse Overcurrent Protection  TMOV/MOV, GDT, TVS Diode, SIDACtor Surge Protection  Rectifier Module Power Conversion  IGBT Power Conversion  Si or SiC MOSFET Power Conversion  Gate Driver Control  Si or SiC Diode Power Conversion  NTC Thermistor Temperature Sensor Auxiliary Power Supply: ■■■  Cartridge Fuse Overcurrent Protection  TMOV/MOV, GDT Surge Protection  SMPS* Buck/Boost Module  SMPS* Opto-isolator Feedback Control  SMPS* Diode/Rectifier  TVS Diode Overvoltage Protection  PPTC Resettable Overcurrent Protection  NTC Thermistor Temperature Sensing Electrical Distribution: ■■  Power Fuse Overcurrent Protection  Fuse Block Mounting Accessory  Earth-Fault Protection Relay  Current Transformer Leakage Current Sensing ■ Protect ■ Control ■ Sense * Switched-mode Power Supply
  • 11. 11Confidential and Proprietary | Littelfuse, Inc. © 2019 11 Select Standards for EV Charging Equipment Standard Title General Scope Region IEC 61851 Series Electric Vehicle Conductive Charging System Various parts of this standard cover general requirements, along with AC chargers and DC chargers specifically. Global IEC 62196 Series Plugs, Socket-Outlets, Vehicle Connectors and Vehicle Inlets - Conductive Charging of Electric Vehicles Standards for charging plugs, sockets, and connectors. Global IEC 61980 Series Electric Vehicle Wireless Power Transfer (WPT) Systems Various parts of this standard cover general requirements for wireless charging systems, along with specific technology-based requirements. Global GB/T 18487 Series Electric Vehicle Conductive Charging System Various parts of this standard cover general requirements, along with AC chargers and DC chargers specifically. China GB/T 20234 Series Connection Set for Conductive Charging of Electric Vehicles Standards for charging plugs in China. China JIS TS D 0007 Basic Function of Quick Charger for the Electric Vehicle Standard for CHAdeMO (DC) chargers in Japan. Japan SAE J1772* Electric Vehicle and Plug-in Hybrid Electric Vehicle Conductive Charge Coupler Physical, electrical, functional and performance standard for charging plugs in North America. North America SAE J2954* Wireless Power Transfer for Light-Duty Plug-In/Electric Vehicles and Alignment Methodology Interoperability, electromagnetic compatibility, EMF, minimum performance, safety and testing for wireless chargers in North America. North America UL 2594 Standard for Electric Vehicle Supply Equipment Safety standard for AC chargers in North America. Tri-national standard for U.S., Canada, and Mexico (known as CAN/CSA C22.2 No. 280 in Canada and NMX-J-677-ANCE in Mexico). North America UL 2202 Standard for Electric Vehicle (EV) Charging System Equipment Safety standard for DC chargers in the United States. U.S. * J1772TM and J2954TM are registered trademarks of SAE International
  • 12. 12Confidential and Proprietary | Littelfuse, Inc. © 2019 12 Littelfuse Delivers Enhanced Safety, Efficiency, and Reliability for Electric Vehicle Charging Global delivery network with localized distribution and customer support  Reference solutions to help meet global safety requirements  System-level design compliance support  Components designed to help meet energy efficiency  High-volume manufacturing with highest quality standards to ensure reliability View EV Charging Solutions on Littelfuse.com
  • 13. Our team of experts have helped design some of the most efficient and reliable next-generation power converters for EV charging stations. Plus, we can help you navigate critical standards and codes governing the EV market.
  • 14. 14Confidential and Proprietary | Littelfuse, Inc. © 2019 14 Be First to Hear About Our Latest EV Charging Solutions Click below to subscribe to our email newsletter. You’ll receive helpful resources and product information tailored to your interests. Subscribe Now