FCS Automotive Presentation (Aug 2015) Overview c€¦ · Regenerative braking systems ... Converting to electrical sub‐system reduces CO2 emissions

COMPANY CONFIDENTIAL

The Power to Amaze.

Llewellyn Vaughan‐EdmundsSenior Manager, Strategic & Product MarketingAutomotive Business Unit

Automotive Overview

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+50 years worldwide Automotive semiconductor supplier

40% Market share for Ignition IGBTs (~1Bpcs)

Best‐in‐class, automotive grade 650V FS Trench IGBTs

Technology leader in N & P‐Channel MOSFETs (‐100V to 650V)

Customized High Power Modules

Fairchild is a leading supplier in Automotive

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The strengthening CO2 regulation is the key driver for the development of electrified vehicles.

Source: Yole 2014

Cars are responsible for around 12% of total EU emissions of carbon dioxide (CO2)

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Fairchild’s Automotive Segments

Improve Efficiency of Combustion Engines

Electrification of Auxiliaries

Electric/Hybrid Vehicles (EV/HEV)

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Ignition Transmission Injection Alternator Valve Control

Improving efficiency of existing combustion engines reduces CO2 emissions <20%

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Automotive Ignition Evolution

Company Confidential

Solid State DistributorSolid State Distributor

Elec Control Modules

w/Distributor

Elec Control Modules

w/Distributor

Distributor‐less Ignition

Distributor‐less Ignition Coil on PlugCoil on Plug Coil & Switch

on PlugCoil & Switch

on PlugCoil & Smart Switch on PlugCoil & Smart Switch on Plug

•Mech Switch replaced by Solid State

•No maintenance•No Wear out

•First computer control

•Better emissions•Higher spark energy

•Switch in ECM•Eliminate the Distributor

•Saves space

•Eliminate HV wires•Separate Ign. Module

•HV & current in ECM & Coil

•Protection & diagnostic functions on PCB

•Saves ECM board space

•Switch moved from ECM to coil

•HV removed from ECM

•Protection & diagnostic functions in separate switch

•Moves functionality from ECM to coil

•More diagnositcs on smart switch

•Reduces size of ECM•Enables precise control of each cylinder

•Smart IGBT and IgnitorModule

1970s 1980s 1990s 2000s 2004 20141970s 1980s 1990s 2000s 2004 2014

Discrete IGBT

Discrete IGBT

Smart IGBT

IGBT Module

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Typical Ignition Systems

Distributor‐less Ignition• Power integrated into Control Module

• Thick leads for HV

Coil & Switch on Plug• Power integrated in Coil• Thin leads for LV• “Switch on Coil/Pencil Coil/ Plug‐Top“


IGNITION IGBT IN MODULE

IGNITION IGBTs AT SPARK PLUG

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Ignition Application Solutions

Discrete Ignition IGBT

200 to 500mJ SCIS

250 to 500V Clamp

EcoSPARK® I

EcoSPARK® 2

Die, Wafer, and Packaged

Ignition Driver IC

Ignition IGBT Driver

Current Sensing (CS)

Over Voltage (OV)

Soft Shut Down (SSD)

Differential Input (DI)

CK200 Input

Smart Ignition IGBT

EcoSPARK® IGBT

Integrated Control IC

CK200 and Standard Input

Available with adjustable CL, MD, SSD

7L‐D2 Pak

Igniter Module

EcoSPARK® IGBT

Control IC and Passives to Protect from EMCSimplifies Electronic

Assembly no PCB or SMTCL, SSD, MD, Over Temp, OV,

and many othersAdditional Smart

Functionality Possible

Available in APM6 Package

• Fairchild has the silicon, packaging, and applications expertise to define, develop and produce innovative, cost‐competitive, and performance‐based ignition solutions


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Injecting gasoline at high pressure directly into the engine’s combustion chamber

Measures fuel more preciously than conventional fuel‐injection systems□ more complete combustion

□ cooler cylinder temperatures

□ higher compression ratio for greater efficiency & power.

□ ~15 percent gain in fuel economy

□ <50% increase in low‐end torque

Injection Systems

Fuel InjectorFuel

InjectorSpark PlugSpark Plug

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60V PowerTrench™ MOSFETs

Ultrafast Diodes

High Side Gate Driver ICs

60‐100V PowerTrench™ MOSFETs

Injection Systems – Solenoid control

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Injection Systems – Piezo control

N & P PowerTrench™ MOSFETs

Ultrafast Diodes

High Side Gate Driver ICs

600V IGBTs

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Converting mechanical to electrical loads

Power Steering Air Condit. 48V BSG 48V DC/DC Engine

Cooling Fan Pumps

Replacing mechanical loads with electric motors reduces CO2 emissions <40%

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Electric Power Steering

Electrification of belt‐driven hydraulic pump has multiple benefits:□ Reduced weight

o Lower emissions (<5.9g CO2/km)o Improved fuel economy

□ Enhanced handling & steering

□ Elimination of hazardous hydraulic fluid

□ Higher vehicle safety

□ Lower assembly cost

□ Lower maintenance

Hydraulic Power Steering

Electric Power Steering

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Solutions for Electric Power Steering

Module•Six 40V PowerTrench™ MOSFETs•0.5% accuracy shunt•NTC Thermistor•EMI snubbers

Discretes•PowerTrench™ MOSFETs•TO‐LL, D2PAK packages•Half‐Bridge Gate Drivers

1.2kW<200A

Half Bridge Gate Driver



MOSFET Module

Discrete MOSFETs

Gate Drivers

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Electric A/C allows independent running from engine

□ Reduces C02 emission by >7g CO2/km

Mandatory for EV/HEV vehicles (no permanent running engine)

Electric Air Conditioning

Belt Driven Compressor Electric CompressorSource: Denso

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Solutions for Electric Air Conditioning

Module• 650V IGBTs FS Trench + Stealth™ diodes •Integrated Gate Drivers + Temp sense•Aluminium Nitride substrate

Discretes• IGBT 600/650V Trench FS• Half‐Bridge Gate Drivers

<5KW / 75A

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48V Battery / Powernet

48V Battery is required to support higher demand of electrical loads in the vehicle□ Regenerative braking systems

□ Electrical Assisted Driving

□ Combustion engine turn off during cruising (‘Sailing’)

□ Electrical A/C compressor

□ Other high power loads (e.g. heating)

12V Battery = <3kW

48V Battery = <15kW

48V Li‐Ion battery

12V Pb acid battery

48V Starter Generator

Air Con

Power Steering

PTC Heating

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BSG replaces Alternator & Starter Motor

□ Chargers battery when decelerating or braking (regenerative)

□ Provides rotation for engine until ignited fuel takes over

48V Belt Starter Generator

Module• 3‐Phase configuration• Six 100V Power Trench™ MOSFETs• NTC Thermistor

Discretes• 100V PowerTrench™ MOSFETs• Half Bridge Gate Drivers

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Converts 48V to 12V

Various topologies for highest efficiencies

48V DC‐DC

~3 kW

Module• 6 x 80V‐100V MOSFETs • NTC Thermistor

Discrete• 40V MOSFETs• 80V MOSFETs• Half Bridge Gate Driver

6‐Phase interleave

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Converting to a 3‐Phase BDLC motor can reduce emissions ~6g/CO2/km

Performance & reliability are improved compared to traditional solution

Used widely in luxury vehicles

Engine Cooling Fan

Discretes• 40‐100V MOSFETs• Half Bridge Gate Driver

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Electric Fuel Pump – reduces CO2, improves performance & reliability (~2g CO2/km)

Electric Coolant Pump – improved flow at low rpm/idle (~7g CO2/km)

Electric Oil Pump – provides pressure/flow independently from engine speed (~2g CO2/km)

Electric Pumps

Discretes• 40‐100V MOSFETs• Half Bridge Gate Driver

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Increase use of electrical energy to drive car

Traction Inverter

DC/DC (HV‐LV)

OBC (On‐Board Charger)

BMS

Converting to electrical sub‐system reduces CO2 emissions <100%

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Significant amount of energy is consumed during acceleration Energy is wasted when braking (heat in brake pads)

Typical Power consumption during commute

10‐15kW(@60mph)

30kW

Vehicle Speed

0kW(energy wasted)

1% 14% 70% 15% Time %

100kW

Acceleraton Constant Speed Braking

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Electric Motor is used for initial acceleration Regenerative braking converts the kinetic energy into electricity to charge the battery

HEV combines an electric motor with the traditional combustion Engine

Vehicle Speed

1% 14% 70% 15% Time %

Electric Motor Small Combustion Engine >50mpg Electric Motor

Acceleraton Constant Speed Braking(Regenerative)

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Larger electric motor is required to replace combustion engineHigher voltage batteries are needed for the increased power of the electric motor

EV uses only an electric motor

Vehicle Speed

1% 14% 70% 15% Time %

Acceleraton Constant Speed Braking(Regenerative)

Large Electric Motor

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Power from the Grid chargers the HV battery, which supplies power to the electric motor

Typical System for HEV

BMS

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Converts AC line voltage to DC to charge battery

□ Boosts power factor (via PFC) to meet regulations

□ DC‐DC conversion to charge various batteries stages

□ Various sensing and communications

On Board Charger (OBC)

3.5kW OBC

(Source: GTPB)

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Solutions for OBC & DC‐DC (HV‐LV)

On‐Board Charger (Rectification + PFC + DC/DC)

Ultrafast Diodes

Hyperfast/ StealthTMDiodes

SuperFETTM/ IGBT

HV‐LV DC/DC (Auxiliary DC/DC)

SuperFETTM

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Monitors, controls and protects the charging & discharging of the battery

□ Protection from dangerous conditions

□ Cell charge balancing for safer solution, extended battery run & battery life

□ Monitoring for performance & safety

Battery Management System (BMS)

(Source: Tesla)

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650V Trench FS IGBTs

~30V PowerTrench™ MOSFETs

Solutions for BMS

IGBT MOSFET

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Converts HV DC battery to multi‐phase AC to drive 3‐Phase Motor

Traction Inverter

Inverter

GearboxElec Motor

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650V and 1200V Co‐pack IGBTs

Gate Drivers

Stealth® Diodes

Solutions for Traction Inverter

IGBTs

Gate Drivers

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FCS Automotive Presentation (Aug 2015) Overview c€¦ · Regenerative braking systems ... Converting to electrical sub‐system reduces CO2 emissions

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