Powertrain system solution

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1 Powertrain system solution China Infineon Symposium September, 2010 Patrick Leteinturier, Senior Principal Powertrain Systems

2 Presentation Outline Powertrain market trends Gasoline systems Diesel systems Transmission systems Accessories Stop / Start Summary / Concluding remarks Page 2

3 Infineon Automotive Your trusted partner for Powertrain We recognize the market drivers Infineon s Market Position xyz HC, CO, NOx, PM Pollution Reduction TriCore Affordable Cars CO2 Reduction N 1 in Automotive Semiconductors Source: Strategy Analytics (SA), May 2010 N 1 in EU, N 2 in USA, N 5 in Japan 30%+ market share in Cam, Crank and transmission sensing 25%+ market share in powertrain MCUs Long-term partnership with OEMs, Tier1 and Engineering Services providers Infineon s Chip-Set Solutions Sensors: Position & Current Barometric & Manifold Pressure Microcontroller: 8bit, 16bit & 32bit Actuators: H-Bridges for Throttle & EGR Control Multi Channel Low Side Switches Power supplies (Linear & DC/DC) CAN/LIN Transceivers Infineon s Key Differentiators System expertise with broad application competence Optimized power train products Competitive & scalable chip-set solutions Performance and innovation leader High quality products and services since more than 40 years Page 3

4 Light Vehicle Production Outlook Millions of Units 100 CAGR 4,7% 90 8,2 8,4 80 8,0 7,5 9,0 6,9 9,2 70 9,2 6,3 9,2 9,0 5,5 5,9 15,2 15,6 15,6 60 8,7 8,4 14,4 10,7 5,4 13,4 50 7,5 12,7 11,6 22,0 22,7 12,6 40 8,6 20,0 21,1 18,7 17,4 16, ,5 16, ,4 33,7 26,1 28,3 24,0 30,0 31, ,2 19, APAC Europe NAFTA Japan ROW Source: CSM Worldwide, Apr-2010 Trends : Up to 28% production downturn of the mature markets in 2008 & 2009 And continuous growth in APAC & ROW 2011: Expected to be the first year of sustained recovery The winners will be BRIC Nevertheless lot of influence on design from WE, JP, NA Page 4

5 Engine Production Millions of Units Trends ,4 9,4 49,2 2,4 6,8 40,7 2,7 8,0 43,6 3,0 8,7 48,7 3,1 9,0 53,2 3,1 9,8 56,3 3,2 3,4 9,7 9,8 58,3 59, cc Fuel Mix: ~25% Diesel & ~75% Gasoline Variable share of Flex-Fuel Downsizing: Growth of 2-3 cyl. share Growth of 4cyl. share 10-3,2 3,3 4,3 4,8 3,9 3,8 4,1 5, Reduction of 8cyl. & 6cyl. Displacement reduction 1-2 cyl. 3 cyl. 4 cyl. 5-6 cyl. 8+ cyl. Downsizing Source: Global Insight, Apr-09 Page 5

6 Automatic Transmission Market Automatic Transmission Production Millions of Units ,4 4,0 23,3 0,6 3,6 17,5 1,0 4,4 19,6 1,8 5,2 0,7 2,8 6,0 0,8 3,5 0,8 3,9 0,8 4,2 6,5 7,1 7,3 21,7 22,5 23,5 23,8 24, ECAT CVT DCT AMT Seperate TCU Source: Global Insight, Apr % 90% 80% 70% 60% 50% 40% 30% 20% 10% 2020 Trends > 70% separate control units! Clear regional transmission preferences Significant market share expected in China Fuel savings: Double clutch is growing 1#: Planetary Gear-set with on-going shift from 4 to 6-speed or higher Page 6

7 Efficient mobility Engine Gasoline Engine 20% CO2 reduction Diesel Engine 10% CO2 reduction Rolling resistance 2% CO2 reduction Transmission MT Switch point assistance 2% CO2 reduction High efficient AMT or DCT 2% CO2 reduction Hybridization µhybrid -> Stop/Start + efficient gene. 10% CO2 reduction Mild Hybrid 20% CO2 reduction Full Hybrid 30% CO2 reduction Air resistance 3% CO2 reduction Energy management Energy efficiency Energy on demand 1.2% CO2 Lightning 0.8% CO2 Infotainment 3.7% CO2 EPS 1.2% CO2 HVAC 1.2% CO2 Fuel pump 4.4% CO2 Engine Cooling Total 12.5% CO2 reduction Page 7

8 Efficient mobility Move from 160 gco2/km to 95 gco2/km 30% Engine Hybridization Transmission 12% Energy Management, Efficiency, On demand 1-2% 2-3% Potential to reduce CO2 Friction reduction, TPMS Air drag reduction (S*Cv) by 45% Further CO2 saving can be achieved by vehicle weight reduction, traffic management improvement and modified driving behavior. Page 8

9 Presentation Outline Powertrain market trends Gasoline systems Diesel systems Transmission systems Accessories Stop / Start Summary / Concluding remarks Page 9

10 Engine efficiency improvement Downsizing Reduced number of cylinders Turbo charged Direct Injection Combustion control per cylinder In cylinder pressure measurement New combustion: HCCI Reduction of pumping losses VVA, Valvetronic, Multiair EGR Efficient after treatment EGR 3 Way catalyst (for MPI) Oxidation catalyst (for DI) Particulate treatment (for DI) NOx Treatment (for DI) Page 10

11 Engine efficiency improvement Friction reduction Roller bearing Cylinder coating Piston ring improvement Usage of better lubricants Lubricant on demand -> E-Pump Thermal management Engine insulation Cooling on demand -> E-Pump Thermal recuperation Turbine to electric Peltier element Page 11

12 Gasoline Port Injection (MPI) Engine Management Typical Partitioning for MPI discrete Flex 2x 5V/0.05A Battery (KL30) Key (KL15) Sensor Supply TLE Pedal Position TLE 4990/97/98 EGR-Throttle Position TLE 4990/97/98 Fuel Level TLE 4990/97/98 Swirl/Tumble Flap TLE 4990/97/98 Throttle Position TLE 4998S Temperature Sensor(s) Barometric Pressure KP23x, KP25x Manifold Air Pressure KP21x, KP22x Knock Sensor(s) In-Cylinder Pressure Sensors Lambda Sensor Crankshaft Optional VR Crankshaft TLE 502x/492x Camshaft TLE 492x/83/84 5V/0.5A Supply ICs TLE G (incl. Watchdog) TLE 4267 G Reset 2x ADC FAST ADC GPTA CAN TLE 7250G SPI AUDO MAX 32-bit Microcontroller e.g. TC MHz Flash 1.0/1.5MB RAM 76/112kB SCI, SPI, MSB, ADC, FADC, GPTA, CAN 2x CAN Safety Watchdog CIC61508 LIN ISO 9141 TLE GE MSB SCI 2 Ch. Powertrain CAN Ignition Driver Bipolar Stepper Motor Driver TLE 8444 H-Bridge for Throttle TLE SA LS - Switch FLEX PWM, Current-Sense FLEX02 TLE 8102SG LS-Switch FLEX8 On-Off Outputs TLE8108EM LS - Switch FLEX PWM Outputs FLEX18 TLE 8718SA 4x 15A pk. 8A Ch. 8A Ch. 2x 5/9A 4x 0.5A 4x 2.6A 2x 2.6A 4x 1.7A 2x 1A Ignition Plugs Idle Air Throttle (egas) Throttle O2 Relays MPI Injectors VVT Canister purge valve EGR-Throttle Swirl/Tumble Flap Relays MIL Lamp 1- Benefits Reduce fuel consumption by 10% from 160g to 144g CO2 / km CO2 Reduction 16g/km 3,76mpg Fuel Efficiency Flexible & Scalable product portfolio System cost optimized 2- Suggested Products Ultra low cost car: XC2700, TC1724 Low cost car µc: TC1728 Mainstream µc: TC178x Premium µc: TC179x TLE 81xx - Scalable FLEX family KP 2xx - KP pressure sensors Hall / igmr crank & cam sensors Page 12

13 Gasoline Direct Injection (GDI) Engine Management Typical Partitioning for GDI Discrete & Solenoid Battery (KL30) Key (KL15) Pedal Position TLE 4990/97/98 EGR-Throttle Position TLE 4990/97/98 Fuel Level TLE 4990/97/98 Swirl/Tumble Flap TLE 4990/97/98 Throttle Position TLE 4998S Temperature Sensor(s) Barometric Pressure KP23x, KP25x Manifold Air Pressure KP21x, KP22x Knock Sensor(s) In-Cylinder Pressure Sensors Lambda Sensor Crankshaft TLE 502x/492x Camshaft TLE 492x/83/84 LDO1 LDO2 Tracker 1 DC/DC Buck LDO3 Voltage Monitoring Tracker 2 Stand-By Supply Window Watchdog TLE Super-Sonic 5.5V/2.5A 5V/0.8A 2x ADC FAST ADC SENT GPTA CAN TLE 7250G 3.3V/0.7A 1.3V/x.xA 5V/0.1A 5V/0.05A 2x SPI AUDO MAX 32-bit Microcontroller e.g. TC MHz Flash 2.5MB RAM 176kB SCI, SPI, MLI, MSB, ADC, FADC, GPTA, SENT, FlexRay, CAN 2x E-Ray 3x CAN Flex Ray TLE 9221 Powertrain CAN MLI MSB SCI LIN ISO 9141 TLE GE INH& HDLD 2 Ch. Low-Side Ignition Quad LS GDI Driver P&H TLE 6270R OptiMOS IPD35N10S3L-26 IPD20N06S4L-14 H-Bridge for Throttle TLE SA H-Bridge for EGR TLE EE LS - Switch FLEX PWM, Current-Sense FLEX02 TLE 8102SG LS-Switch FLEX8 On-Off Outputs TLE8108EM LS - Switch FLEX PWM Outputs FLEX18 TLE 8718SA 4x 15A pk. 4x 3/10A 8A Ch. 8A Ch. 2x 5/9A 4x 0.5A 4x 2.6A 2x 2.6A 4x 1.7A 2x 1A Ignition Plugs Soleniod Injectors (egas) Throttle EGR Throttle O2 Relais Solenoid VVT Solenoid Relais MIL Lamp 1- Benefits Reduce fuel consumption by 20% from 160g to 128g CO2 / km CO2 Reduction 32g/km 8,45mpg Fuel Efficiency High Performance products 2- Suggested Products Mainstream µc: TC178x Premium µc: TC179x TLE SA/2E ETC & EGR TLE Direct injection drivers TLE FlexRay transceivers Page 13

14 Presentation Outline Powertrain market trends Gasoline systems Diesel systems Transmission systems Accessories Stop / Start Summary / Concluding remarks Page 14

15 Diesel Schematic Overview EURO 6 long EGR POC Pressure sensor integrated in the Glow Plug Page 15

16 Emission level strategy Euro III Euro IV Euro V Euro VI Engine options 4 Valves VGT 4 Valves VGT EGR Swirl Control 4 Valves VGT EGR Swirl Control 4 Valves VGT Cold EGR Swirl Control Particle Filter No Yes Yes Yes Nox - Sensors No Useful Yes Yes Pre-turbo oxidation cat. No No Yes Yes Nox - Treatment No No No SCR or LNT Page 16

17 Diesel Engine Management Engine Management Typical Partitioning for DDI Discrete Battery (KL30) Key (KL15) Pedal Position TLE 4990/97/98 EGR-Throttle Position TLE 4990/97/98 Fuel Level TLE 4990/97/98 Swirl/Tumble Flap TLE 4990/97/98 Throttle Position TLE 4998S Temperature Sensor(s) Barometric Pressure KP23x, KP25x Manifold Air Pressure KP21x, KP22x Knock Sensor(s) In-Cylinder Pressure Sensors Lambda Sensor Crankshaft TLE 502x/492x Camshaft TLE 492x/83/84 LDO1 LDO2 Tracker 1 DC/DC Buck LDO3 Voltage Monitoring Tracker 2 Stand-By Supply Window Watchdog TLE Super-Sonic 5.5V/2.5A 5V/0.8A 3x ADC FAST ADC SENT GPTA CAN TLE 7250G 3.3V/0.7A 1.3V/x.xA 5V/0.1A SHE 5V/0.05A SPI AUDO MAX 32-bit Microcontroller e.g. TC MHz Flash 4MB RAM 288kB SCI, SPI, MLI, MSB, ADC, FADC, GPTA, SENT, FlexRay, CAN E-Ray CAN Flex Ray TLE 9221 Powertrain CAN MLI MSB SCI LIN ISO 9141 TLE GE INH& HDLD 2 Ch. PROFET BTS500x0-1EGA BTS500x0-1TMA/B BTS500x0-1TEA/B FAST IGBT e.g. IHD04N60RA / IDH06N60RA H-Bridge for Throttle TLE SA H-Bridge for EGR TLE EE LS - Switch FLEX PWM, Current-Sense FLEX02 TLE 8102SG LS-Switch FLEX8 On-Off Outputs TLE8108EM LS - Switch FLEX PWM Outputs FLEX18 TLE 8718SA 6x 8A 6x 8A 8A Ch. 8A Ch. 2x 5/9A 4x 0.5A 4x 2.6A 2x 2.6A 4x 1.7A 2x 1A Glow Plug Piezo Injectors (egas) Throttle EGR Throttle O2 Relais Solenoid VVT Solenoid Relais MIL Lamp 1- Benefits Diesel is already very efficient unlike gasoline we start from 140 rather than 160 g CO2 / km Further reduce fuel consumption by 10% from 140g to 126g CO2 / km CO2 Reduction 14g/km 3,36mpg Fuel Efficiency High Performance products meeting upcoming emission legislation 2- Suggested Products Mainstream µc: TC178x Premium µc: TC179x IHD04N60RA: IGBT piezo Injector BTS500: Glow plugs Page 17

18 Diesel Direct Injection 1-3 Main injections for noise; continuous burning Pre-injection Pressure P max during compression: Preparation of chamber for better start of combust. P atmo Cylinder 4 TRIG2 (GD1, Bank 2) 200 us Pre Pilot 1 Post injection: Reduction of Particulates by heating of catalyst Intake Compression Explosion Exhaust TDC After Post Time about 800µs + x.t0 T0 in the rang of 300µs function V supply P fuel form 1500 to 2000 bar A) Pre- Injection B) Pilot/Main/After Injection C) Post Injection in case after treatment action Benefits Particle reduction Noise reduction NOx reduction CO2 reduction = fuel consumption Page 18

19 Long route EGR / Cold EGR Long route EGR / Cold EGR Reduce NOX Reduce Particulate Significantly lower charge temperature through Long route EGR (Clean & Cool) Hot EGR managed with High pressure EGR or VVA for intake temperature control Main issues: Transient control, compressor and intercooler fouling, condensation Euro 4 EGR system Long route EGR + VVA Internal EGR with VVA NOx (g/kwh) Page 19 Soot (g/kwh) Euro rpm 5 bar BMEP 0.15 Long route EGR

20 NOx after-treatment : LNT or SCR Lean NOx Trap (LNT) Catalyzed Particulate Filter Pressure Drop Sensor Temp. Sensor 1 Temp. Sensor 2 λ sensor ECU Turbine (VGT) λ sensor / NOx sensor? Compressor Air Flow Meter EGR Cooler EGR Valve Throttle Valve Intercooler LNT: Lean NOx trap Optimization of lean/rich and rich/lean transient condition for LNT regeneration Increase of tailpipe HC, CO Increase of fuel consumption Oil dilution Durability of after-treatment components (ageing of LNT critical) Cost Oxidation catalyst Catalyzed particulate filter Pressure Drop Sensor Temp. Sensor 1 λ sensor ECU Turbi ne (VGT) Compressor Air Flow Meter EGR Cooler Intercooler SCR: Selective Catalyst Reduction Size and mass of tank for SCR system Infrastructure not ready NH3 slip Urea tank EGR Valve Complexity & Cost Urea liquid solution Temp. Sensor 2 Mixing Device Throttle Valve NOx sensor Muffler Page 20

21 Presentation Outline Powertrain market trends Gasoline systems Diesel systems Transmission systems Accessories Stop / Start Summary / Concluding remarks Page 21

22 Transmission efficiency improvement Optimizing gear ratio Increase the number of gear ratios CVT: Continuous variable trans. Optimizing gear shift Precise current control solenoid Migration to DCT: Dual clutch Reduce the friction losses Rotating component optimization Improved lubricants Reduce the hydraulic losses Torque converter lock-up Hydraulic on demand -> E-Pump Move to electro-mechanic Page 22

23 Relative Efficiency of Transmission Types 4% 2% 6ECMT 6DCT Dry, EM 0 6MT Fuel Saving - 2% - 4% - 6% - 8% ECAT8 ECAT6 CVT 6DCT Wet, Hy - 10% - 12% ECAT5-14% ECAT4 Based on estimates from Ricardo, Getrag, Luk, ZF MT Manual transmission ECAT Electronically controlled automatic transmission ECMT Electronically controlled manual transmission DCT Dual clutch transmission CVT Continuous variable transmission Page 23

24 Dry Double Clutch Transmission Hydraulic Control Block Diagram 6 speed Double Clutch Transmission Typical Partitioning for Constant Current Control Battery (KL30) Key (KL15) LDO1 LDO2 Tracker 1 DC/DC Buck LDO3 Tracker 2 Window Watchdog TLE 7368 Super-Sonic 5.5V/2.5A 5V/0.8A 3.3V/0.7A 1.5V/x.xA 5V/0.1A Voltage Monitoring Stand-By Supply 5V/0.05A INH& HDLD 1- Benefits Reduce fuel consumption by 2% from 160g to 156,8g CO2 / km compared to manual transmission CO2 Reduction Input Shaft1 Speed TLE4951C/54C* Input Shaft2 Speed TLE4951C/54C* PRNDL Switches Shift Position Sensor System Pressure Clutch Pressure Temperature Sensor Powertrain FlexRay FlexRay TLE x ADC FAST ADC SENT GPTA Diagnostic/Instrumentation CAN AUDO MAX 32-bit Microcontroller e.g. TC MHz Flash 2.5MB RAM 176kB SCI, SPI, MLI, MSB, ADC, FADC, GPTA, SENT, FlexRay, CAN 2x E-Ray 3x CAN CAN TLE 7250G 2x SPI MLI MSB SCI High Side Driver PROFET Family LIN ISO 9141 TLE GE Diagnostic/ Instrumentation LS-Switch FLEX Multi-Channel TLE8104 Constant Current Control TLE7241E Constant Current Control TLE7242G or TLE8242L & IPG20N06S4L-26 High Current Half Bridge BTN 79xxB 1x 4x Solenoid Supply Variable Force Solenoid/ Proportional Valve Variable Force Solenoid/ Proportional Valve M Hydraulic Pump 3,2g/km 0,7mpg Fuel Efficiency 2- Suggested Products µc: TC178x packaged µc: TC174x bare die TLE7241E, TLE7242E, TLE8242L ICs for precise variable force or constant current solenoid control PROFET, Multichannel HITFET, General actuation Hall / igmr, Trans. sensors Page 24

25 Infineon Product Comparison Feature TLE7241E C 3 TLE7242G Adler TLE8242L Adler 2 TLE6288R # of Chan. & Integration 2 Low-side Fet(240mOhm) 4 Low-side Pre-Driver 8 Low-side Pre-Driver 3 High-side 3 HS/LS Configurable Fet(150mOhm) Controller Type Hysteretic P-I Fixed-Freq. P-I Fixed-Freq. Peak & Hold Current Range 0 1.2A 10 bit resolution 0 1.2A 11 bit resolution 0 1.2A 11 bit resolution 0 3.6A 4 settings for Peak 4 settings for Hold Current Accuracy Approximately +/- 2% over full range +/-2% over full range +/-2% over full range +/-20% over full range Communication Configurable SPI 16 bit Configurable SPI 32 bit Configurable SPI 32 bit Configurable SPI 16 bit Operation Temp Range -40 o C 150 o C -40 o C 150 o C -40 o C 150 o C -40 o C 150 o C Package Type P-DSO P-DSO-28 PG-LQFP-64 Power SO 36 Page 25

26 TLE7241E Dual Constant Current Driver IC VDD BAT REF Features DEFAULT TEST VSO CLK SI CS S O Logic SPI GND Current Control Protection Diagnostic SR control Channel 1 Current Control Protection Diagnostic SR control Channel 2 Status DR: Eval. Kit: TLE 7241E POS1 NEG1 OUT1 PGND1 POS2 NEG2 OUT2 PGND2 Programmable via SPI Average Current Hysteresis Dither Waveform Slew Rate P-DSO-20 Exposed Die Pad Package Dual Low Side Constant Current Regulator 0 to 1A Driver for Proportional Control Solenoids (VFS/VBS) Low RDS(ON) 2 x 240 mω type 5.0V or 3.3V I/O Compatible P-DSO Page 26

27 TLE 7242G Quad Fixed-Frequency Constant Current Pre-driver V5D BAT V5A Features PHASE_SYNC RESET_B ENABLE TEST CLK FAULT V_SIGNAL SCK SI CS_B S O Logic SPI GND_D Current Control Protection Diagnostic Channel 0 Current Control Protection Diagnostic Channel 1 Current Control Protection Diagnostic Channel 2 Current Control Protection Diagnostic Channel 3 GND_A TLE 7242G POS0 NEG0 OUT0 POS1 NEG1 OUT1 POS2 NEG2 OUT2 POS3 NEG3 OUT3 Programmable via SPI Average Current PWM Frequency PWM Phase P-I Controller Diagnostic Timers & Thresholds Fault Pin activation P-DSO-28 Package Status DR: Eval. Kit: P-DSO-28 Page 27

28 TLE 8242L Eight channel current control pre-driver V_SIGNAL CS_B PHASE_SYNC SCK RESET_B SI SO ENABLE CLK FAULT BAT SPI Logic GNDD GNDSD V5D GNDA1 Schedule - ES: available - SOP: Q1/2010 V5A1 V5A2 V5A3 GNDA2 Channel 7 Channel Current 6 Control Channel Current 5 Control Protection Channel Current 4 Control Diagnostic Protection Current Control Dither Current Diagnostic Protection Dither Signature Diagnostic Current Protection Dither Signature Diagnostic Current Dither Signature Current Profile Channel 3 Channel Current 2 Control Channel Current 1 Control Protection Channel Current 0 Control Diagnostic Protection Current Control Dither Diagnostic Current Protection Dither Signature Current Diagnostic Protection Dither Diagnostic Signature Current Dither Signature Current Profile GNDA3 GNDSA TLE 8242 POS4 NEG4 OUT4 POS0 NEG0 OUT0 Package - PG-LQFP-64 Features Eight channel current control predriver For low-side control of proportional control solenoids Serial Peripheral Interface (SPI) Supports PWM control using internal PWM generator Internal P-I controllers with programmable KI and KP gains Diagnostic bits for open load, short to battery, and short to ground faults. Accessed via SPI Synchronization feature allows control of phase offset between channels Current control gain error = +/- 2% Offset cancellation by auto-zero feature Page 28

29 Presentation Outline Powertrain market trends Gasoline systems Diesel systems Transmission systems Accessories Stop / Start Summary / Concluding remarks Page 29

30 Power on Demand PWM Regulated Fuel Pump Relay controlled PWM controlled 1- Benefits Reduce fuel consumption by 1,2% from 160g to 158,1g CO2 / km CO2 Reduction Total equivalent electric power saving ~ 80W Microcontroller 8-bit MCU XC800 Family I/O I/O I/O I/O I/O Res et V DD V SS WO RO Q D Voltage Regulator TLE 4278G GND I PI Filter Reverse Polarity Protection V S IPDxxP03PxL-xx 1,9g/km 0,42mpg Fuel Efficiency Runs only at full speed when needed Power consumption reduced by 40% on average Lower emission of hydrocarbons Increased lifetime INH IN IS BTN 79xxB V S OUT M PI filter may be necessary to reduce system level EMC. 2- Suggested Products XC800-8-bit microcontroller family SR GND High Current Half Bridge NovalithIC - Integrated half bridge Page 30

31 Power on Demand Brushless DC motor Water Pump 1- Benefits Reduce fuel consumption by 4.4% from 160g to 152,9g CO2 / km CO2 Reduction 7,1g/km CAN V BAT Continuously Mechanical Water Pump TLE 8261E TLE 6251G COM TLE Power Supply mA 16/32-bit MCU XC27x3X CCU6 ADC PWM TLE 7183F Bridge Driver OP-Amp Brushless DC motor Water Pump Total equivalent electric power saving ~ 300W e.g. IPD90N04S3 MOSFETs 6 3 Pump BLDC Position Sense 1,57mpg Fuel Efficiency Improved thermal control of engine Better efficiency of pump Speed adjustment to the needs Completely switched off at motor start for a faster warm-up 2- Suggested Products XC27xx - 16/32-bit µc family XC886-8-bit microcontroller family TLE 718x - Bridge driver TLE System Basis Chip Page 31

32 Presentation Outline Powertrain market trends Gasoline systems Diesel systems Transmission systems Accessories Stop / Start Summary / Concluding remarks Page 32

33 µ-hybrid solutions 1 2 kw LV Bat. 2 Rect. Reg. Engine Starter- Generator Inverter Engine Generator Starter Relay 5 kw Transmission Transmission 12V board net 1. µhybrid separate starter & generator 2. µhybrid belt driven startergenerator 3. µhybrid in the transmission Functions Start - Stop Limited regenerative braking Control electricity generation Advanced Modes (solution 3) 3 LV Bat. MV Bat. Engine Starter Control 12V Board net V Board net Transmission Motor- Generator Inverter 5-10 kw DC/DC LV Bat. 12V Board net Challenges Engine temperature control Emissions at Start & Stop Control of the 12v board net Need of cabin heating Need of cabin cooling Page 33

34 Advanced Modes Vehicle start Deceleration 1 Engine start Gear select First few meters 1 Downhill Transition 1- Car launch Start the vehicle with the electric motor, during that time crank the engine, pass the gear, and perform the transition from electric drive to engine drive. 2- Engine brake emulation During deceleration or downhill, we can stop and decouple the engine totally. We use the generator to brake and recuperate the energy. 3 1 Use kinetic energy Engine off & decoupled 3- Car sailing / coasting Keep the car running on its own kinetic energy with the engine off and decoupled. No electric boost and no electric recuperation. Page 34

35 µ-hybrid solutions V from Battery 1- Benefits Reduce fuel consumption by 10% from 160g to 144g CO2 / km Supply ICs TLE GV /TLE7263-2E H-Bridge Driver IC TLE 6282 CO2 Reduction 16g/km CAN / LIN Transceiver TLE 7250G TLE GE Rotor Position igmr Sensor TLE 5012 Current Sense (Shunt Substitute) 2x TLE 4990/98 16/32-bit MCU XC23xx/ TC172x 3-Phase Driver IC 1) OptiMOS -T 100V 6x IPB100N10S3-05 Current Starter Generator Rotor Position 3,76mpg Fuel Efficiency 2- Suggested Products XC23xx - Powerful 16/32-bit microcontroller family with dedicated motor control features TC172x cost optimized TriCoreTM 32-bit microcontroller with dedicated motor control features OptiMOS -T 100V N-channel MOSFET family, optimized for high current motor applications TLE 499x - Linear Hall sensor family for current sensing TLE 501x - igmr sensor family for angle and rotor position sensing TLE 7250G New CAN transceiver TLE GE - LIN transceiver TLE 72xx Broad portfolio of linear voltage regulators Page 35

36 Presentation Outline Powertrain market trends Gasoline systems Diesel systems Transmission systems Accessories Stop / Start Summary / Concluding remarks Page 36

37 Summary Infineon has 40 years experience in powertrain electronics. Infineon is the leading this Market (Micro, Power, Sensors). Engine and Transmission will further dominate the passenger car powertrain for the next 10 years. Electrification of accessories and µhybrid will be widely used to improve fuel efficiency. Infineon is committed to support the industry in China with leading edge products and technologies, delivering cost effectiveness, high efficiency systems. Thank you! Copyright Infineon Technologies All rights reserved. Page 37

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