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Zetex Semiconductors Sales training for HK & China distributors – Jun 07 Leon Leung Regional Marketing Manager – Building Blocks www.zetex.com Contents: 1. Building Blocks overview of Zetex 2. Bipolar Transistors 3. Mosfets and Schottkys 4. Standard Linear ICs 5. Q&A 2 www.zetex.com Building Blocks Overview of Zetex 3 www.zetex.com Building Block Portfolio Discrete and Standard IC products Discrete products Standard ICs Bipolar transistors Current monitors Mosfets References Diodes Regulators Special function 4 www.zetex.com Bipolar Transistors www.zetex.com Zetex Bipolar transistor value propositions In saturated switching applications “Smallest, low loss switches” In pulsed linear operation, gate driving “Smallest, highest current drivers” In linear operation “Smallest, high dissipation switches” Be aware of inferior alternatives being offered • Power Dissipation at different conditions • Continuous Current x Vce(sat) higher than package Pd 6 www.zetex.com How we position our transistors influences how we sell Single source products Limited competition products Multi source products 100 Require design in but can hold price % of portfolio 80 60 ‘Design in’ or ‘switch sell’ parts where we need to ensure we compete for market share 40 20 ‘BOM fillers’ that generally provide little value but lots of volume Gives us security Gives us value and growth Gives us volume 0 7 www.zetex.com Why do customers use Zetex transistors? Understanding Our Product Value Propositions www.zetex.com Why do customers use Zetex transistors? There are 3 areas where we can clearly demonstrate a benefit from Zetex transistors – When used as a Saturated Switch – When used in pulse linear mode – When used as a linear switch Depending how the transistor is to be used the product needs to be promoted differently i.e. different attributes need to be highlighted if the transistor is to be used as a Gate Driver as opposed to a Motor driver 9 www.zetex.com Using bipolar transistors www.zetex.com Saturated switching - circuit requirements ”Smallest, low loss switches” Improved efficiency by: • Reducing on state loss • Reduced drive requirements • Reduced switching loss Cost effective solution: • Reduced heat generation allowing smaller package • Reduced heat generation requires less copper area 11 www.zetex.com Saturated switching - transistor attributes Key attributes •Very low VCE(sat) •High current gain hold up •Small, high power packages •Switching speed ”Smallest, low loss switches” 12 www.zetex.com Saturated switching - competition NXP, Sanyo, On- Semi, Fairchild bipolars need: • higher base drive and/or up to 6x bigger package Mosfets by Vishay, IR, ST, Infineon, Tosh, Hitachi need: - higher drive voltage: 1.8V vs 1.0V - 4x to 8x larger pack above 100V or at <4.5V gate drive ”Smallest, low loss switches” 13 www.zetex.com Saturated switching applications Typical Applications – LED Drive – DC-DC conversion – Motor driving – Line disconnect switches ”Smallest, low loss switches” 14 www.zetex.com Examples of a Saturated Switching application DC-DC Point of Load (POL) Module – Requires • Two NPN low saturation voltage transistors • Vceo rating twice the module input voltage • High Gain • Smallest package – ZXTN19100CFF, ZXTN19060CFF, ZXTN25050DFH 15 www.zetex.com Examples of a Saturated Switching application High Power LED Driver – Requires • Low voltage NPN transistor • Very low saturation voltage • High Gain • Smallest package – ZXTN25012EFH ZXTN19020DFF ZXTN07012EFF 16 www.zetex.com An example of a Saturated Switching application DC-DC switch in VoIP circuits – Key accounts – Huawei, ZTE, Delta – Similar accounts – Askey, Foxconn, Arcadyn, Xinwei etc – Competition – UTC UP1855 – Competition – Secos PZT359 – Competition – CYStech BTP953L3, BTP955L3 Reference designs from – Legerity – Silicon Labs – Infineon – Winbond Other products we are looking to sell 5401 and 5551 equivalents 17 www.zetex.com How to fend off the competition from UTC, CYStech UP1855, BTP955L3 •Equivalent to FZT955 •Die will not fit in SOT89 •Cannot offer in SOT23 FZT955 PIN FOR PIN REPLACEMENT Cost PACKAGE SHRINK FURTHER PACKAGE SHRINK ZXTP2014G ZXTP2014Z Package Size ZXTP23140BF 18 www.zetex.com How to fend off competition from Secos, CYStech PZT359, BTP953L3 •Lower Voltage than FZT955 •Die will not fit in SOT89 •Cannot offer in SO23 footprint FZT953 Cost PIN FOR PIN REPLACEMENT PACKAGE SHRINK FURTHER PACKAGE SHRINK New package SOT23 (FLAT) ZXTP2013G ZXTP2013Z ZXTP19100CFF Package Size 19 www.zetex.com Pulsed linear operation - circuit requirements “Smallest, highest current drivers” Vdriver VCC •No latch up •No shoot through Input •Good temperature stability •Near rail to rail operation •Zero quiescent current 20 www.zetex.com Pulsed linear operation - transistor attributes Key attributes Vdriver VCC •NPN + PNP device •Gain hold up at High Peak Current •Fast switching speed Input “Smallest, highest current drivers” 21 www.zetex.com Pulsed linear operation - competitors Competition – NXP, On-Semi, Fairchild, Sanyo bipolars • give only 50% peak current in equivalent footprint- Zetex up to 20A Vdriver VCC Input – Maxim, Micrel, TI Gate driver IC’s • are :3x to 10x the cost, 10A peak current costs >$1, <20V “Smallest, highest current drivers” 22 www.zetex.com Pulsed linear operation applications •MOSFET Gate Driving Vdriver VCC •IGBT Gate Driving Input “Smallest, highest current drivers” 23 www.zetex.com An example of a Gate Driving Application Gate Driving of Power Mosfets and IGBTs in Power Supplies – – – – Key accounts – Delta, Emerson Similar accounts – Power One, ACBel Competition – Fairchild FSB649, FSB749 etc Competition – PBSS4140T, PBSS4249T, PBSS5140T, PBSS5240T etc Cross Reference FSB649 ZXTN25020DFL FSB749 ZXTP25020DFL PBSS4140T ZXTN2040F PBSS5140T ZXTP2041F PBSS4240T ZXTN25040DFL PBSS5240T ZXTP25040DFL 24 www.zetex.com Transistors to promote for Gate Driving Volts 100 60 ZXTN19100CFF ZXTP19100CFF ZXTN2038F ZXTP2039F ZXTN19060CFF ZXTP19060CFF 40 ZXTN2040F ZXTP2041F ZXTC2045E6 ZXTN25040DFL ZXTP25040DFL ZXGD3004E6 20 ZXTN25020DFL ZXTP25020DFL ZXTN19020DFF ZXTP19020DFF ZXNT25012EFL ZXTP25012EFL 12 Current 25 www.zetex.com Linear operation – circuit requirements “Smallest, high dissipation switches” External Supply •Small size solution with very limited pcb Power Management IC area available. •High dissipation package •Low voltage operation Main Battery 26 www.zetex.com Linear operation – transistor attributes External Supply Key transistor attributes •Packaging to meet Pd at low battery Power Management IC condition •High reverse blocking voltage to eliminate the need for a Schottky diode •Low Saturation voltage Main Battery “Smallest, high dissipation switches” 27 www.zetex.com Linear operation - competition NXP, On-Semi, Fairchild and many others bipolars Can’t combine low VCE(sat) and high power density pack External Supply Power Management IC MOSFETs by Vishay, IR, ST, Infineon, Toshiba, Hitachi need: •An extra Schottky reverse blocking diode for battery charging Main Battery “Smallest, high dissipation switches” 28 www.zetex.com Linear operation applications Battery charging in portable equipment etc External Supply PSU start up circuits Regulator circuits Power Management IC Main Battery “Smallest, high dissipation switches” 29 www.zetex.com An example application for Linear Operation Power Supply Start up Switch D2 Output High Voltage Q1 C2 R1 D3 D2 Vcc D1 C1 – Requires Contol IC Q2 • NPN device • Voltage rating greater than input voltage • Small package with Pd capable of Vce x Ic – FZT493, FMMT493, ZXTN19100CF, FZT459 30 www.zetex.com An example application for Linear Operation Battery Charging in Mobile Phones – Key accounts – Samsung, LG, Huawei, ZTE – Similar accounts – Motorola, UT Starcomm etc – Competition – On Semi NSS20500UW3T2G Reference designs from – Infineon – Entry level GSM platform – ZXTP25020CFF – Qualcom – CDMA platform – ZXTD2M832 adaptor + USB charging – Qualcom – CDMA platform – ZXT2M322 adaptor charging – Other parts include ZXT10P20DE6, ZXT13P20DE6, ZXT13P12DE6, FMMT718 31 www.zetex.com Package Comparison Package SOT323 SOT563F (flat) SOT23FH SOT23FF SOT23 (flat) SOT23FL Leadless SOT89 SOT223 Pin Out Dimensions LxWxH millimetres Power Dissipation Watts (25x25mm, 1oz) 2.2 x 2.4 x 1.7 x 1.7 x 1 0.6 0.5 0.8 3 x 2.5 x 1.1 1.05 0.625 0.350 3 x 1.7 x 1 2x2x1 1.3 1.4 4.6 x 4.2 x 6.7 x 7.3 x 1.6 1.8 1.8 2 32 www.zetex.com Example of Bipolar Transistor Road Map Competition FZT951 PIN FOR PIN REPLACEMENT New package SOT23 (FLAT) Cost PACKAGE SHRINK FURTHER PACKAGE SHRINK ZXTP2012G PIN FOR PIN REPLACEMENT ZXTP2027F ZXTP2012Z LOWER PROFILE PACKAGE ZXTP19060CFF PIN FOR PIN REPLACEMENTS ZX5T1951G Reduced Package Size ZXTP25060BFH 33 www.zetex.com SOT23F (flat) package --------- New Package Introduction Better specifications than SOT223 and SOT89 1mm Fits on same pcb footprint as SOT23 2.5mm Low profile package – Max height 1mm 3mm 34 www.zetex.com Bipolar- Leader in Power Density and Space Efficiency ZXTC25xxxE6 Dual FMMT617/717 1.7x size redn X23 Series replaces 850/950, 1050/1150 6x size redn SOT223 X19 series ‘658/’758 ‘690/’790, P2120, N0545, 6x size redn SOT236 X20 series replaces FMMT617/717 1.7x size redn SOT23FH ½ pack cost 1/3 pack cost SOT323 X25 series replaces FMMT617/717 Further 2x size redn SOT563F SOT23FF SOT23FL To Scale!! 6 Amp Continuous 3 Amp Continuous 35 www.zetex.com Bipolar- Leader in Power Density and Space Efficiency ZETEX Value proposition in saturated switching ”Smallest low loss switches” in DC/DC converting, LED driving, Motor drive, Line driving Value proposition in pulsed linear operation gate driving “Smallest, highest current drivers” Value proposition in linear operation “Smallest, high dissipation switches” in battery charging, regulators, HV start up circuits, disconnect switches COMPETITION To give the same performance; NXP, Sanyo, On- Semi, Fairchild bipolars need: - higher base drive and/or up to 6x bigger package Mosfets by Vishay, IR, ST, Infineon, Tosh, Hitachi need: - higher drive voltage: 1.8V vs 1.0V - 4x to 8x larger pack above 100V or at <4.5V gate drive NXP, On-Semi, Fairchild, Sanyo bipolars give; -only 50% peak current in equivalent footprint- ZTX up to 20A Maxim, Micrel, TI Gate driver IC’s are : -3x to 10x the cost, 10A peak current costs >$1, <20V NXP, On-Semi, Fairchild & many others bipolars - can’t combine low Vce(sat) and high power density pack Mosfets by Vishay, IR, ST, Infineon, Tosh, Hitachi need - an extra schottky reverse blocking diode for battery charging 36 www.zetex.com MOSFETs and Schottkys www.zetex.com MOSFET Portfolio Variety of configurations Planar and Trench technology N channel P channel 38 www.zetex.com MOSFET Portfolio Wide voltage range 1.8V + drive voltages 20 - 450V Smart MOSFETs IntelliFET™ Current range 18A continuous 60A pulsed RDS(on) range Down to 25 mΩ 39 www.zetex.com Smart MOSFET developments Current Limiting and Over Temp Shutdown Status Indication at Vin=5V 8 VIN =5V Typical VStatus (V) 7 ZXMS6002 with status pin ZXMS6003 with programmable current limit BSP75G BSP75N 2005 2006 6 5 Normal Operation 4 3 Current limit operating 2 Over Temp Shutdown 1 0 25 50 75 100 125 150 175 200 225 250 Typical Temperature (°C) •Lower on resistance •Smaller packages •Increased diagnostics capability ZXMS6001 Lower IIN BSP75N 2007 2008 40 www.zetex.com Schottky Diode Portfolio Key Features Low forward voltage High current capability (up to 2A) Industry standard parts 40V and 60V specifications ZHCS Fast recovery time BAT Series BAT54 BAT750 BAT1000 Use in high temperature environments ZLLS 41 www.zetex.com Applications Key Applications Rectification DC-DC conversion LED Lighting Mobile telecomms PC Cards SCSI LAN PSUs High frequency rectification 42 www.zetex.com Example applications www.zetex.com Automotive LED tail/stop light ZHCS2000 ZXMN6A07F ZXTP2039F ZXSC300 44 www.zetex.com 12V Single phase motor for extraction or blowing fan ZHCS1000 ZXBM1015Q20 ZXMHC3A01T8 4 x ZXMN6A09K 2 X Dual MOSFET 2 x Bipolar + 2 x MOSFET 45 www.zetex.com MOSFETs and Schottkys Lots of opportunity to switch sell IRLML2502 = ZXMN2A14F IRLML2402 = ZXMN2A01F Si2304DS = ZXMN3A01F BAT750 = BAT750 BAT1000 = BAT1000 Most competitive with SOT23, SOT89 and SOT223 packaged types Expanding our product portfolio – Voltages and Packages Developing range of Smart MOSFETs 46 www.zetex.com Standard Linear ICs www.zetex.com Zetex Standard Linear ICs Zetex Standard Linear ICs Voltage Regulators Current Monitors Voltage References Special Functions Linear Regulators Current Output Shunt Regulators Reset Generators Low Drop-Out Regulators Voltage Output Shunt References Timers 1 Cell Boost DC-DC Temperature Sensor 2 Cell Boost DC-DC Hold existing business Magneto-Resistive Sensors Grow business thro’ design registration Grow business thro’ market share growth Video ICs Hold existing business 48 www.zetex.com 2006/7 New product releases Zetex 1st bidirectional current monitor ZXCT1041 Zetex 1st 40V current monitor ZXCT1081 (60V due Q2) Zetex electronic fuse ZXCT1032 Zetex released family of LM4041, LM4040-2.5, LM4040-5.0 2nd sources Expanded ‘TL431 alternatives SC70-6 due in Q2 49 www.zetex.com Product rationalisation – In process of removing all TO92 products – Removal of references in E-line – Reducing # supply voltage monitors, voltage regulators and ZRA references 50 www.zetex.com Current monitor value propositions In short- circuit detection for power supplies “Simplest Short-Circuit Detector” In High-side current sensing for adapters and automotive apps “3-pin sensing with low-side output” In battery life measurement for portable applications “Simplest, lowest Iq Gas-Gauge” 51 www.zetex.com Current monitors – current output Description ZXCT1008 ZXCT1009 ZXCT1010 ZXCT1011 ZXCT1012 ZXCT1020 ZXCT1050 1 1 VIN Accuracy Quiescent @ VSENSE = Current (V) 100mV µA Automotive temp 2.5 to 20 ±2.5% 4 range ‘1009 3-pin current 2.5 to 20 ±2.5% 4 monitor Improved offset 2.5 to 20 ±2.5% 3.5 over ZXCT1009 Improved 2.5 to 20 ±2.5% 4 temperature drift Thin ZXCT1010 2.5 to 20 ±2.5% 3.5 Low offset at low 2.5 to 20 VSENSE Current output 0 to ZXCT1051 Vcc - 2 Gain Output/ VSENSE 10mA/V Band Width (MHz) 2 Package 10mA/V 2 10mA/V 2 SOT23 SM8 SOT23-5 10mA/V 1.5 SOT23-5 10mA/V 2 1 TSOT23-5 TDFN3x3-5 SOT23-5 1 SOT23-5 2 ±2% 25 Prog ±4% 50 Prog 2 SOT23 1 Expected 2Q07 2 Set by 2 external resistors 52 www.zetex.com Simple High side current sensing Vin Rsense To load ZXCT 1009 Key features: High-side current sensing Output voltage referred to GND Up to 2.5V sense voltage 2.2V - 20V supply range 4µA supply current 1% typical accuracy Simple to use Operating voltage can be increased by external BJT Vout Rout “ 3-pin sensing with low-side output” 53 www.zetex.com Key applications Over-current detection AC-Adapters GPS antennae Battery chargers Smart battery packs DC motor control Hot swap inrush current limit 54 www.zetex.com Competition ST, TI, On- Semi, UTC Op-Amps- low side sense upsets ground ref - less accurate: 20% v 3% TI High-side current monitors - 2x cost 55 www.zetex.com Battery life measurement ZXCT1010/2 provides a simple cost effective improvement for remaining battery capacity estimation Battery discharge current is used to improve ‘gas gauge’ accuracy µPwr ZXCT1010/12 provides unique solution: – 3.5µA IQ has little battery drain – 2.5V VIN(MIN) operates over full Li-Ion cell range – Discharge current is measured & used to: IDSCH RSENSE 2.7 To 4.2V ZXCT1010 • Calculate charge remaining • Protect battery • Change capacity profile LiPolymer VOUT “Simplest, lowest Iq Gas-Gauge” 56 www.zetex.com Applications Mobile phone Private Mobile Radio Portable Instrumentation 57 www.zetex.com Competition TI, Maxim, LTC current monitors – - 8 x higher Quiescent current TI and Maxim ASSP gas-gauge IC’s - 4x cost 58 www.zetex.com Current monitors – voltage output Description VIN (V) ZXCT1021 Accuracy @ Quiescent VSENSE = Current 100mV Gain Output/ VSENSE Band Width (MHz) Package Low offset at low VSENSE ZXCT1022 Low offset at low VSENSE ZXCT1030 Enhanced with internal reference and comparator 2.5 to 20 2.5 to 20 2.5 to 20 +/- 2% 25µA 10V/V 1 SOT23-5 ±3% 25µA 100V/V 1 SOT23-5 ±3% 270µA 10V/V 6 SO8 ZXCT1032 High inrush and current limit controller 9.5 to 21 - 1.8mA 10V/V - SO8 ZXCT1051 Precision wide input range Large common mode range 0 to Vcc - 2 1 3 to 40 ±3% 50µA 10V/V 1 SOT23-5 ±3% 50µA 10V/V 0.5 SOT23-5 ZXCT1081 1 60V transient 59 www.zetex.com ZXCT1051 for short circuit protection ZXCT1051 Current monitor provides over current protection Separate power supply from auxiliary winding enables short circuit operation Doesn’t upset ground plane unlike conventional op amp solution Aux Accurate Wide Common-mode current sensing – 0 to VCC-2V Wide 3V to 20V supply voltage Low 50µA quiescent current Output voltage scaling x10 BW of 1MHz at VSENSE = 100mV winding Features/Benefits “Simplest short circuit detector” Optocoupler LOAD Ext. VCC pin allows I/P to swing to 0V 1% typical accuracy Requires only 1 external component Low Offset at low VSENSE ZXCT1051 60 www.zetex.com Applications Power supplies Over current monitor Short circuit detection DSP/FPGA core current measurement 61 www.zetex.com ZXCT1051 gives an output even if output collapses 62 www.zetex.com Competition TI, Maxim, LTC current monitors - 3x cost, complex >= 5 pins - less flexible; only 1/5 VSENSE range (0.5 vs 2.5) TI, National,LTC, On-Semi Op-Amps - less accurate: 20% v 3% - 3x component count, 4x PCB area 63 www.zetex.com ZXCT1081 40V common-mode range current monitor 3V to 40V continuous high side voltage – 60V transient Accurate high-side current sensing Output voltage scaling x10 4.5V to 12V VCC range – Direct interface to µC – Gives output even if sense pins are shorted to GND Low quiescent current: – 80μA supply pin – 30μA ISENSE+ -40°C to 125°C ambient temperature range ZXCT1080 3V to 60V continuous high side voltage – June 2007 64 www.zetex.com Applications Applications Power supplies – over-current sensing Automotive over-current sensing (unprotected rails) 65 www.zetex.com Zetex references to grow market share Released improved version of ZTL431 in SC70-6 and Used in power supplies SOT23 and ZTL432 in SOT23 >= 5V – Allows us to be market price competitive Competes aggressively – Allows us to grow market share against TL431 in SOT23 – 20V stops us being used in notebook adapters – Can offer in other packages but need high volume Released ZTLV431 (~ TLV431) in SOT23 – Market price competitive – Smaller die version will allow other packages Released LM4040 and LM4041 in SOT23 – These command higher ASP than TL431 – All variants are in 1% and 0.5% tolerances – Market price competitive – Future die shrinks will allow SC70-5 variants Used in low voltage power supply rails Competes against TLV431 in SOT23 Used in some power supplies. Other apps include reference for data acquisitions systems 66 www.zetex.com LM4040 and LM4041 comparison Zetex LM4040 and LM4041 match all specs of NSC LM404x except for Noise – In most applications this not considered as critical Company Zetex Part number NSC Zetex NSC LM4040-25 LM4040- LM4040-50 LM4040-50 25 Bandgap voltage 2.5V Zetex NSC LM4041 LM4041 5.0V 1.225V Initial tolerance % 1, 0.5 2, 1, 0.5, 0.2, 0.1 1, 0.5 2, 1, 0.5, 0.2, 0.1 1, 0.5 2, 1, 0.5, 0.2, 0.1 Min current µA 60 60 60 60 60 60 Max. current mA 15 15 15 15 15 15 ppm/°C 100 100 100 100 100 100 µVRMS 45 35 105 80 60 20 °C -40 to 125 -40 to 85 -40 to 125 -40 to 85 -40 to 125 -40 to 85 SOT23 planned SOT23, SC70-5 SOT23 planned SOT23, SC70-5 SOT23 planned SOT23, SC70-5 Temp co. Noise Temp. range Packages 67 www.zetex.com In summary for standard IC’s Tremendous potential revenue growth on current monitors – All are design registerable – Strong value propositions • “Simplest Short-Circuit Detector” • “3-pin sensing with low-side output” • “Simplest, lowest IQ Gas-Gauge” Grow share of industry standard references and shunt regulators 68 www.zetex.com Accelerate Product Portfolio Focus on 3 application areas – Portable power (Gas gauge, charger IC, LDO, DC-DC converters) – Power supply (Gate drivers, current monitors, references) – Peripheral drivers (Smart/Protected FETs) Priorities 1. 2. 3. 4. 5. Gas Gauge Low voltage SC70 references High voltage current monitors Sot23F IntelliFETs Gate Driver ICs - feasibility & spec finalis’n NPPP finalisation feasibility NPPP approval feasibility on-going 4Q07 4Q07 4Q07 1Q08 1Q08 Resources – Systems/Applications engineers – Product definition – Adequate design & characterisation resources 69 www.zetex.com Thank you for your time and attention Any questions? www.zetex.com