POWER FORUM BOLOGNA

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1 POWER FORUM BOLOGNA CONVERSIONE DI POTENZA - ANALOGICO O DIGITALE? QUESTO È IL DILEMMA! Massimo Gavioli Senior Field Application Engineer SIMPLY SMARTER History Intersil: The 1 st company in 25+ years to build a broad line Analog company, product line-by-product line RCA Solid State Begins operations Harris Merges with Radiation Inc. Becomes an independent company Acquires Xicor Acquires D2Audio Acquires Techwell Radiation Inc.Founded GE Solid State Merges with RCA Solid State Sells discrete power business to Fairchild Sells wireless network products group Acquires Zilker Labs GE Solid State Begins operations Harris Acquires GE Solid State (GE, RCA and Intersil) Acquires Planet ATE Acquires Kenet Founded in Cupertino, CA GE Solid State Acquires Intersil Completes largest IPO for a US semiconductor company Acquires Elantec Acquires Quellan Acquires Rock 2 1

2 Intersil Product Categories Power Management DC/DC Controllers DC/DC int. FET Regulators Digital DC/DC Converters DC/DC Modules Embedded Systems Power Management Linear Regulators (LDO) Battery Management LED Driver LNB Power Hot Plug Controllers Voltage Sequencers Voltage Supervisors Bridge Drivers isim Simulation Tool Analog & Mixed Signal µpower Op Amps µpower, Precision, Rail-To-Rail High-Speed Op Amps Voltage + Current Feedback, Low Noise, High Precision, Rail-to-Rail, Differential Analog Video Blocks Muxes, CrossPoints,Sync Sep., Genlock, KVM Switches, MUXes, Crosspoints Interfaces RS-232C, RS-485/422, Level Shifters, I²C Buffers Data Converters (ADC, DAC) Digitally Controlled Potentiometers Voltage References Real Time Clocks Ambient Light Sensors RF Gain Blocks 3 Intersil Digital DC Technology Intelligent digital power management and conversion solutions Efficient Patented Digital-DC technology Efficiency levels >90% across a wide operating range Flexible Easily Adapted to a wide range of system requirements Customer defined configuration Factory defined firmware Easy to Use High level of integration and integrated intelligence Easy to use solutions with minimal components 4 2

3 Digital solution up 14 Vin Digital PWM Controllers ZL8100 Current Sharing ZL8101 Auto Comp ZL8800 Dual Channel Digital DC-DC Controllers with Drivers ZL6100 Current Sharing ZL2008 Full Pin-strap ZL6105 Auto Comp ZL V Input First device in development Vin>14V Integrated DC-DC Converters ZL2106 6A ZL2103 3A ZL2101 6A, Auto Comp ZL2210 PowerDie 10A ZL2206 PowerDie 6A Digital Modules ZL A ZL9101A 12A, Auto Comp ZL A Auto Comp Released Key Development 2nd Gen Adaptive, DDC Bus 3rd Gen Fast Transient, Compensation Free 5 Analog solution Wide input voltage range ISL Vin PWM Controller ISL Vin PWM Controller (VoltageMode+Input Voltage Feed Forward) ISL Vin PWM Async Controller ISL V PWM with R3 topology ISL8104 Low Cost PWM ISL6420B Broadband PWM Supports 24V/36V input voltage Released In Development ISL6526/27 ISL8105/A/B 300kHz/ 600kHz Low Cost PWM ISL6406 PWM w/ SYNC ISL8130 Buck/Boost Controller 3V 5V 14V 28V 75V 6 3

4 E P A D F C 0 F C 1 U V L O S G N D V R T K V S E N P G E N M G N T A C H X T E M P V /28/2011 Digital, Fewer External Components: How? Analog PWM Digital-DC PWM Current limit Precision Rsense Output voltage Configuration V IN VR C IN 3 x 10 µf 25 V POWER GOOD OUTPUT CV 25 D L Y 1 D L Y 0 C F G 10 µf 4 V DB BAT 54 1 µf 16 V QH Power PWM I 2 C / SMBus DGND SYNC SA 0 SA 1 ILIM 0 ILIM 1 SCL SDA 9 SALRT ZL 2005 V 0 V 1 S S 0 S S 1 27 BST 26 GH 25 SW 24 PGND 23 GL 22 VR 21 ISENA 20 ISENB 19 CB QL Train L OUT 2. 2 µh C OUT 2 x 220 µf 6. 3 V C OUT 470 µf 2. 5 V V OUT CVR RTN 4. 7 µf 6. 3 V Compensation Clock synchronization 7 Digital easy current sensing and sharing V IN ZL200x support both R DS(ON) and DCR sensing V IN ZL 2006 GH SW ISENA GL ISENB V OUT Up to 5 V output sensing Fewest components ZL 2006 MOSFET RDSON, Sensing Inductor DCR Sensing Precision resistor sensing can be used in either method GH SW GL ISENA ISENB V OUT Up to 4V output sensing Highest sensing accuracy VDD ZL2006 VIN Robust, accurate current sharing Robust load-line set point Active channel current matching Current data shared over digital bus 8 DDC DDC VDD ZL2006 VIN VOUT DDC bus details Single-wire bi-directional digital bus Robust, noise-immune 333 kbps data rate Arbitration and error correction Allows intra-device communication Sequencing & Fault spreading Current sharing over DDC bus 4

5 Digital Benefit: Easy to Use Multiple Configuration Options Pin-strap Resistors SMBus V IB V IB V IB V R V0 V0 R 0 V1 SMBus SCL SDA V1 R 1 V0 V OUT V OUT Low Low Open High 0.6V 0.8V 1.0V 5.5V 5.5V V1 Open High 1.2V 1.5V 1.8V 2.5V 3.3V 5.0V 0.6V f(r 0,R 1 ) 0.6V 0x mv step size.025% resolution 9 Digital Design Flexibility: Easy to Reconfigure Supply functions are set using simple pin-strap methods Output voltage set-point Switching frequency & phase offset Soft-start/stop delay and ramp times Fault limit set-points (current limit, UVLO, etc) Voltage tracking, margining, sequencing Loop compensation (PID) coefficients V IB V R V0 V1 SMBus interface provides additional flexibility All parameters can be monitored via SMBus All parameters can be modified using SMBus interface Many parameters can be modified real-time SMBus V IB SCL SDA Design Changes Without a Board Spin Shorter Development Times! 10 5

6 DDC Bus 10/28/2011 Digital vs Analog - Reduced System Cost Lower total BOM costs Fewer discrete power components No external sequencers or power management ICs Precision delay / ramp times Sequencing time or event based Tracking 50% or 100% Closed-loop margining Clock synchronization Phase spreading Reduced vendor base; reduced inventory cost V IN ZL6100 ZL6100 ZL6100 ZL2103 V CORE 1.2V/25A V IO 1.5V/10A V DSP 2.5V/8A V LOGIC 3.3V/3A FPGA DSP LOGIC Reduced development cost Functional changes with no board spin Reduced manufacturing and warranty cost Fewer components Fewer solder joints Remote monitoring higher manufacturing yield higher MTBF reduced service cost ZL6100 ZL2103 Q 1.8V/30A V TT 0.9V/2A DDR II MEMORY 11 Digital Easy-to-Use Development Tools Evaluation Software simple configuration and monitoring of multiple devices using PC and USB interface Compensation Software automatically calculates loop compensation settings 12 6

7 Digital adaptive Algorithms Increase Performance Algorithms implemented in firmware Adaptive dead-time control Non-linear response Adaptive diode emulation Adaptive frequency mode Phase adding/shedding Adaptive compensation Efficiency Diode emulation and phase shedding increase efficiency at light loads 25% Dynamic dead-time control increases efficiency at heavy loads ZL2006 Efficiency-adaptive DC-DC controller Non-adaptive DC-DC controller 50% 75% Load Current 100% 13 Analog different topology with one device 5V 10% ISL8130 STEP DOWN ISL8130 STEP UP 12V Wide Input Voltage Range: 4.5V to 27V 5.6V to 16V 5.5V to 14V Programmable Soft-Start Supports Pre-Biased Load Applications Resistor-Selectable Switching Frequency: 100kHz to 1.4MHz C µf External Reference Tracking Mode Fast Transient Response High-Bandwidth Error Amplifier Extensive Circuit Protection Functions Overvoltage, Overcurrent, Shutdown 4x4mm 20L QFN and 20L QSOP pkg 14 C 1 R2 C 8 R 3 R 4 C 2 ENSS RT PGOOD CDEL SGND FB VIN OSC ISL8130 REF - + C11 R 5 VCC5 + - COMP C 12 MONITOR AND PROTECTION PGND C 3 R 6 PVCC VMSET/MODE C4 OCSET ISEN LGATE BOOT UGATE PHASE C 5 GPIO1/REFIN GPIO2 R 1 L1 R cs Q 1 VOLTAGE MARGINING ENABLED WITH INTERNAL V REF SEE PAGE 12 FOR MORE DETAILS C9 C 6 STEP UP/DOWN CO UP LED I ND UCTO R C13 D 1 12V C 10 7

8 Multiple Output Single Output 10/28/2011 Digital & Analog Power Modules Discrete Solution: Up to 41 Components Only 3 External Components PVCC COMP/EN FB ISL8201M VIN PHASE VIN +5V / +12V CIN RFB ISEN VOUT VOUT PGND COUT Molded QFN Package of 15x15mm Input range: 1V to 20V Compact QFN Package Output range: 0.6V to 6V, up to 17A Power level: 68W Soft-start feature Over-voltage and adjustable over-current protections Low EMI feature Multiple module parallel operation Available in Analog & Digital More 15 Digital & Analog Power modules road map ISL8200M 3-20Vin (10A) w/ CS ISL8200MM (3-20V ) Mil Temp w/ CS ISL8200AM 10A Integrated Start up Circuit ISL8215M (3-24Vin) 15A, Low DC Eff Imp ISL8201M 1 20Vin (10A) ZL9101M ( Vin) Digital PMBus (12A) Non-Auto ZL9117M ( Vin) Digital PMBus (17A) Optimized for <2V out ISL8216M (9-75Vin) High Vin Module ISL8204M 1 20Vin (4A) ZL9120M ( Vin) Digital PMBus (20A) Optimized for <2Vout ZL9121M (4.5 14V) Digital PMBus (20A) Optimized transient Resp. ISL8206M 1 20Vin (6A) ZL9106/10M( Vin) Digital PMBus (6/10A) <15x15x2.5mm pkg ISL8225M Dual 15A/15A 17x17x7.5mm w/ CS ISL8235M (15 /10 /5A) w/ Light Load Eff. ISL8224M (5-25Vin) VReg / LDO Die on PCB ISL8220M Dual 5A/5A 14x14x Released Development Concept 8

9 Digital & Analog many evaluation board available A kit includes Evaluation Board Evaluation Software USB-to-SMBus Adapter USB Cable 30 A, 1-phase + 60 A, 2-phase EVB (ZL6100) Digital USB to SMBus adapter Works with all EVBs Documentation ISL8105 ISL8118 ISL6540A A kit includes Evaluation Board Documentation 17 6 A EVB (ZL2106) Analog Digital & Analog Conlusion Digital Analog 1. Easy to configure 2. Less componet Vs similar Analog solution 3. Possibility to adjust something without changing components. 4. Easy to trim if load spec change after production 5. No need of additional component for sequencing, traking, margining, monitoring and fault management High input voltage range 1 Part fit different topology Bigger products portfolio available 18 9

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