TM Technology for Innovators TM An Analog Product Catalog ➔ Inside Low Dropout Regulators High-Performance RF LDOs ....................3 Ultra-Low Dropout Linear Regulators with Soft-Start and Tracking..................3 2Q 2007 Power Management Solutions for Xilinx and Altera FPGAs ® ® Step-Down Controllers Single-Chip Solution for Spartan® and Cyclone® Synchronous Buck DC/DC Controller.............................................4 TPS75003 Integrated FET Converters 3-V to 6-V Input, 3-A DC/DC Converter .............................................5 4.5-V to 20-V Input, 6-A DC/DC Converters ...........................................5 Low-Power Integrated FET Controllers 1.2-A Step-Down Converter in MSOP-10 .............................................6 Dual-Channel Step-Down Converter with 1-Pin EasyScale™ Interface ........6 APP REPORT E VA L U AT I O N S S Wide-Input, Low Pin-Count Buck Controller.............................................4 D ATA SHEETS T PR ODUC A MPLE MODULE Get samples, datasheets, app reports, evaluation modules and software tools at: www.ti.com/sc/device/TPS75003 Key Features • Two 95% efficient 3-A buck controllers and one 300-mA LDO • Adjustable output voltages to 1.2 V for buck and 1.0 V for LDO • Input voltage range: 2.2 V to 6.5 V • Independent enable for each supply • Packaging: Low profile 4.5 mm x 3.5 mm QFN Benefits • Small single-chip solution • Flexible sequencing FPGA Applications • Altera Cyclone II family • Xilinx Spartan-3 family PTH Power Modules T2 2nd Generation PTH Point-of-Load Modules........................7 TPS75003 5 V_Input 100 pF Power Supply Sequencers 8-Channel Power-Supply Sequencer and Monitor.........................................8 Reference Designs 5 VIN Low Power, Small Size Simple Design .....................................9 0.033 0.033 IS1 3A Buck 1 SW1 FB1 IS2 3A Buck 2 SW2 FB2 OUT3 300 mA FB3 LDO SS3 AGND DGND DGND IN1 IN2 IN3 EN1 SS1 EN2 SS2 EN1 VCCAUX DGND 1.5 nF 1.5 nF Q2 15 µH + D2 Q1 5 µH 10 nF D1 61.9 k 12 VIN High Power, High Efficiency...10 5 VIN Multiple FPGA Design for Complex Systems.........................11 + VCCO 3.3 V @ 3 A 100 pF 36.5 k 12 VIN Low Power, Cost Optimized .....9 12 VIN Mid Power, Simple Design.....10 VCCINT 1.2 V @ 3 A 100 pF VCCAUX 61.9 k 15.4 k 10 µF2.5 V @ 300 mA Power Management Solutions for FPGAs Power Management Solutions for Your FPGA and CPLD Designs Altera Max® Max II Cyclone® Cyclone II Stratix®, GX Stratix II, GX Stratix III Xilinx CoolRunner®, XPLA3 CoolRunner-II Spartan Family • IIE, /XL • 3, 3A, 3E Virtex®, E, EM Virtex-II, Pro Virtex-4 Virtex-5 • Broad portfolio including LDOs, Controllers, Integrated FET Converters and Modules • FPGA reference designs, power design services, design software • Seminars, webcasts and application notes • Rapid delivery samples, evaluation modules • Local application support • Distributor partners Texas Instruments’ broad portfolio of high-performance power management products, local technical support and easy-touse design tools can help you differentiate your FPGA-based design and speed your time to market. This issue highlights several innovative devices optimized to work with FPGA and CPLD devices, such as those from leading manufacturers Xilinx and Altera. TI’s new power management ICs and reference designs increase power efficiency and simplify design. Power Management Home Page: power.ti.com Power Management Solutions for Altera FPGAs: www.ti.com/alterafpga Power Solutions for Xilinx FPGAs: www.ti.com/xilinxfpga e-Store for Power Management Evaluation Modules www.ti.com/home_b_estore Power Management FPGA Support Email [email protected] 2 Power Management for FPGAs Sine On Texas Instruments 2Q 2007 Low Dropout Regulators High-Performance RF LDOs TPS791/792/793/794/795/796/786xx D ATA SHEETS APP REPORT EVALUATION S S T PR ODUC A MPLE MODULE Get samples, datasheets, app reports and evaluation modules at: www.ti.com/sc/device/PARTnumber (Replace PARTnumber with TPS79101, TPS79201, TPS79301, TPS79401, TPS79501, TPS79601, or TPS78601 Key Features • Input voltage range: 2.7 V to 5.5 V • Fixed output voltages: 1.8 V to 4.75 V and adjustable 1.2 V to 5.0 V • Rated output current: 100 mA to 1.5 A • Stable with ceramic output capacitor • 32_VRMS output noise, 100 Hz to 100 kHz • Fast startup time (50 µs) • Accuracy: 2% over load/line/temp • Very high PSRR: 70 dB @ 1 kHz and 70 dB @ 10 kHz Applications • Altera Stratix II GX, MAX II • Xilinx Virtex-5, CoolRunner II • Low-noise RF applications • PLL and VCO power supplies Typical Device Specifications Device TPS79101 TPS79201 TPS79301 TPS79401 TPS79501 TPS79601 IOUT 100 mA 100 mA 200 mA 250 mA 500 mA 1.0 A VDO (mV) 38 38 77 145 105 220 EN /EN ✓ ✓ ✓ ✓ ✓ TPS78601 1.5 A 340 ✓ Packages SOT23 SOT23 SOT 23, WCSP MSOP8, SOT223 SOT223 SOT 223, DDPAK, SON (2.8 V) SOT223, DDPAK TPS79501 VIN VOUT OUT IN R1 1 µF EN 1 µF C1 FB GND R2 Benefits • Produces low-noise power for sensitive analog functions • Uses smaller, less expensive ceramic capacitors Ultra-Low Dropout Linear Regulators with Soft-Start and Tracking TPS744xx D ATA SHEETS APP REPORT EVALUATION S S T PR ODUC A MPLE Applications • Altera Cyclone II, Stratix II, Stratix II GX, Stratix III • Xilinx Spartan-3 family, Virtex-5 • Core and IO power supplies • PLL and VCO power supplies MODULE Get samples, datasheets, app reports and evaluation modules at: www.ti.com/sc/device/TPS74401 Key Features • Programmable soft-start/tracking capabilities • Input voltage range: 0.9 V to 5.5 V • Bias voltage range: 2.375 V to 5.25 V • Ultra-low VIN VDO: 195 mV max @ 3 A • Ultra-low VBIAS VDO: 1.62 V max @ 3 A • Output voltages: 0.8 V to 3.3 V • 1% accuracy over load/line/temp • Stable with any/no output capacitor • Guaranteed min/max current limit Typical Device Specifications Device TPS74201 TPS74301 TPS74401 IOUT (A) 1.5 1.5 3.0 VDO (mV) 55 55 110 Startup Soft-Start Track Soft-Start TPS74401 VDD IN CIN 1 µF R3 R1 SS CBIAS 1 µF GND CSS VOUT OUT BIAS VBIAS VPG PG EN COUT FB R2 Optional Benefits • Low-noise high-current linear solution • Less board space than switching solution • Fewer components than switching solution Texas Instruments 2Q 2007 Power Management for FPGAs Sine On 3 Step-Down Controllers 4.5-V to 15-V Input, Synchronous Buck DC/DC Controller TPS40190 D ATA SHEETS APP REPORT EVALUATION S S A T PR ODUC • Fewer external components, simplifies design • Minimized switching losses improves efficiency • Up to 25-A power supply possible with the TPS40190 • Minimizes power dissipation in fault condition, automatically restarts when fault is removed MPLE MODULE Get samples, datasheets, app reports, evaluation modules and software tools at: www.ti.com/sc/device/TPS40190 Key Features • Input operating voltage range: 4.5 V to 15 V • Output voltage down to 0.591 V with +1% reference accuracy • Synchronous rectification for high efficiency • Three selectable short-circuit thresholds • Hiccup recovery from short-circuit condition • Integrated bootstrap drivers for N-Channel MOSFET • Internal soft-start Applications • Altera Cyclone II, Stratix II, Stratix II GX, Stratix III • Xilinx Spartan-3 family, Virtex-5 • Core and IO power supplies VDD TPS40190 1 ENABLE Shutdown HDRV 10 2 FB SW 9 3 COMP BOOT 8 4 VDD LDRV 7 5 GND BP5 6 VOUT Benefits • High-performance, low-cost solution • Allows for a single-input power solution, no separate power supply needed to power the controller • Provides power supply flexibility without adding circuit complexity 4.5-V to 52-V Input, Low-Pin Count Buck Controller TPS40200 D ATA SHEETS APP REPORT EVALUATION S S A T PR ODUC MPLE MODULE Get samples, datasheets, app reports and evaluation modules at: www.ti.com/sc/device/TPS40200 Key Features • 4.5-V to 52-V operation • Voltage mode control with feed-forward compensation • 700-mV voltage reference: 1% accuracy • Internal under-voltage lockout • Programmable frequency: 35 kHz to 500 kHz • Programmable overcurrent protection • Frequency synchronization • Closed loop soft-start • Integrated driver • Soft-start provides smooth, well controlled power up • Simple configuration — minimal external components Applications • Altera Cyclone II, Stratix II, Stratix II GX, Stratix III • Xilinx Spartan-3 family, Virtex-5 • Core and IO power supplies VIN TPS40200 1 RC VIN 8 2 SS/SD ISNS 7 3 COMP GDRV 6 4 FB GND 5 RSENSE VOUT Benefits • Wide-input range for use in many applications • Voltage feed forward – great line regulation, fast transient response • Programmable features allows flexible design; frequency, overcurrent protection, under-voltage lockout 4 Power Management for FPGAs Sine On Texas Instruments 2Q 2007 Integrated FET Converters 1.6-MHz, 3-V to 6-V Input, 3-A DC/DC Synchronous Buck Converter TPS54317 D ATA SHEETS APP REPORT EVALUATION S S A T PR ODUC MPLE MODULE Get samples, datasheets, app reports, evaluation modules and software tools at: www.ti.com/sc/device/TPS54317 Other Low-Voltage SWIFT™ Devices* VIN Range Part Number (V) TPS54310 3 to 6 TPS54610 3 to 6 TPS54910 3 to 4 TPS54010 3 to 4 * Same feature set as TPS54317 IOUT (A) 3 6 9 14 Frequency Up to 700 kHz Up to 700 kHz Up to 700 kHz Up to 700 kHz Package 20HTSSOP 28HTSSOP 28HTSSOP 28HTSSOP TPS54317 Input Output VIN Key Features • Input voltage range: 3.0 V to 6.0 V • Two 3-A (4.5-A peak) integrated MOSFETs provide synchronous rectification • Adjustable/synchronizable switching frequency to 1.6 MHz • Output voltage adjustable down to 0.9 V • Power good, enable, adjustable slow-start, current limit, thermal shutdown and 1% accuracy • Supported by free SwitcherPro™ design software Benefits • High frequency allows use of a smaller inductor and capacitor to save board space • High efficiency greater than 90% • Large current source from a small board space 4.5-V to 20-V Input, 3-A and 6-A Converters TPS54350, TPS54550 D ATA SHEETS APP REPORT EVALUATION S S T PR ODUC A MPLE MODULE Get samples, datasheets, app reports, evaluation modules and software tools at: www.ti.com/sc/device/TPS54350 or TPS54550 PWRGD SS/ENA BOOT SYNCH PGND RT VBIAS AGND Benefits • Accommodates high inrush currents • Greater than 90% efficiency • 1% regulation accuracy over temperature • Reduces input bulk capacitance size • Operates at up to 700 kHz for smaller passive components Texas Instruments 2Q 2007 VSENSE COMP Applications • Altera Cyclone II, Stratix II, Stratix II GX, Stratix III • Xilinx Spartan-3 family, Virtex-5 • Core and IO power supplies • Many integrated protection and performance features to protect the system Mid-Voltage SWIFT™ Devices VIN Range IOUT Part Number (V) (A) TPS54350 4.5 to 20 3 TPS5435x 4.5 to 20 3 TPS54550 4.5 to 20 6 * Fixed output versions available (1.2, 1.5, 1.8, 2.5 and 3.3 V) Compensation External Internal* External Package 16HTSSOP 16HTSSOP 16HTSSOP TPS54350 and TPS54550* VIN SYNC Key Features • Input voltage range: 4.5 V to 20 V • Synchronous-buck for high efficiency • Adjustable output voltage down to 0.9 V • Power good, enable, adjustable slow-start, current limit, thermal shutdown • 180° out-of-phase switching • TPS54350 and TPS54550 are footprint compatible • Fixed 250 kHz, 500 kHz, or adjustable switching frequency PH Input Voltage PWRGD SS/ENA VBIAS BOOT COMP PH Output Voltage LSG VSENSE PWRPAD PGND *Note: TPS54350 and TPS54550 are footprint compatible. Applications • Altera Cyclone II, Stratix II, Stratix II GX, Stratix III • Xilinx Spartan-3 family, Virtex-5 • Core and IO power supplies Power Management for FPGAs Sine On 5 Low-Power Integrated FET Converters 1.2-A Step-Down Converter in MSOP-10 TPS6204x D ATA SHEETS APP REPORT EVALUATION S S A T PR ODUC MPLE MODULE Get samples, datasheets, app reports, evaluation modules and software tools at: www.ti.com/sc/device/TPS62040 Key Features • Input voltage range: 2.5 V to 6.0 V • Output current: up to 1.2 A with up to 95% efficiency • 18-µA (typ) quiescent current, 0.1-µA shutdown • PFM power-save mode for light loads • 1.25-MHz fixed frequency PWM operation possible • Adjustable output voltage range: 0.7 V to VIN • 100% duty cycle mode • Soft-start limits in-rush current • Packaging: 10-pin MSOP Dual-Channel Step-Down Converter with 1-Pin EasyScale™ Interface TPS62400 D ATA SHEETS APP REPORT EVALUATION S MPLE Small Inductor TPS6204x VI 2.5 V to 6 V 2 3 C1 22 µF VIN SW VIN SW 1 EN 6 MODE 4 GND VO 0.7 V to VI/1.2 A L1 6.2 µH 8 7 C2 22 µF FB 5 10 PGND 9 PGND Benefits • Small solution size • EasyScale™ digital programming allows simple DVS • Reduced input capacitance • No external compensation required MODULE Get samples, datasheets, app reports, evaluation modules and software tools at: www.ti.com/sc/device/TPS62400 Key Features • Input voltage: 2.5 V to 6 V • Output voltage: 0.7 V to 6.0 V (adj.) • Output currents: 400 mA and 600 mA (TPS62400) • Efficiency: 95% (max) • EasyScale: simple one wire interface to adjust output voltage (dynamic voltage scaling) • Fixed frequency operation: 2.25 MHz • 180° out-of-phase operation • Power-save mode (PFM/PWM) or forced PWM, 100% duty cycle • Soft-start • Packaging: 3 mm x 3 mm 10-pin QFN 6 Applications • Altera Max II, Cyclone II • Xilinx CoolRunner-II, Spartan-3 family S T PR ODUC A Benefits • Suitable for 3-to 4-cell alkaline or 1-cell Li-Ion • Conserve battery capacity • High efficiency over entire load range • Small inductors • Ideal for low-noise applications Power Management for FPGAs Sine On Applications • Altera Max II, Cyclone II • Xilinx CoolRunner-II, Spartan-3 family VIN 2.5 V to 6 V TPS62401 VIN FB1 2.2 µH 10 µF SW1 VOUT1: 1.575 V 400 mA DEF_1 10 µF EN_1 Dynamic Voltage Scaling in 25, 50 or 100 mV Steps Two Independent Outputs EN_2 2.2 µH SW2 MODE/DATA VOUT2: 1.8 V 600 mA 10 µF ADJ2 GND Texas Instruments 2Q 2007 T2 Power Modules 2nd Generation PTH Point-of-Load Modules PTH04T2xx, PTH08T2xx D ATA SHEETS APP REPORT EVALUATION S S A T PR ODUC MPLE MODULE Get samples, datasheets, app reports, evaluation modules and software tools at: www.ti.com/T2 Key Features • TurboTrans™ technology • 1.5% output regulation • Up to 50% smaller footprint • SmartSync synchronization • Wide input voltage (4.5 V to 14 V) • Auto-Track™ sequencing • Pb-free/RoHS compliant Typical Device Specifications Model PTH04T260W PTH08T260/261W PTH04T230W PTH08T230/231W PTH04T240/241W PTH08T240F PTH08T240/241W PTH04T220W PTH08T220/221W PTH05T210W PTH08T210W PTH08T250W PTV08T250W Input Voltage (V) 2.2 to 5.5 4.5 to 14 2.2 to 5.5 4.5 to 14 2.2 to 5.5 4.5 to 14 4.5 to 14 2.2 to 5.5 4.5 to 14 4.5 to 5.5 5.5 to 14 4.5 to 14 8 to 14 Output Voltage (V) 0.7 to 3.6 0.7 to 5.5 0.7 to 3.6 0.7 to 5.5 0.7 to 3.6 0.7 to 2.0 0.7 to 5.5 0.7 to 3.6 0.7 to 5.5 0.7 to 3.6 0.7 to 3.6 0.7 to 3.6 0.8 to 3.6 Output Current (A) 3 3 6 6 10 10 10 16 16 30 30 50 50 Benefits T2’s reduce development costs and save PCB space: • Sequencing easily solved with Auto-Track technology • SmartSync synchronization for input cap reduction/easier filtering • TurboTrans technology for high transient load applications • Up to 8x reduction in output capacitors • Faster transient response • Stable with ultra-low ESR caps • 1.5% tolerance meets specs of FPGA core Applications • Altera Stratix II, Stratix II GX, Stratix III • Xilinx Virtex-5 • Wireless infrastructure • Telecom • Networking • Servers • Mass storage SmartSync Track TurboTrans™ 10 1 Track SYNC VI 2 9 TT VI +Sense PTH08T241W Inhibit 11 RUVLO 1% 0.05 W (Optional) GND Texas Instruments 2Q 2007 C1 200 µF (Required) INH/UVLO GND 3 VO –Sense GND VOADJ 4 8 6 5 RTT 1% 0.05 W (Optional) + Sense VO 7 RSET[A] 1% 0.05 W (Required) L O C0 A 300 µF D (Required) – Sense GND Power Management for FPGAs Sine On 7 Power Supply Sequencers Applications • Telecommunications switches servers • Networking equipment • Test equipment • Any system requiring sequencing of multiple voltage rails 8-Channel Power Supply Sequencer and Monitor UCD9080 D ATA SHEETS APP REPORT E VA L U AT IO N S S A T PR ODUC MPLE MODULE Get samples, datasheets, app reports, evaluation modules and software tools at: www.ti.com/sc/device/UCD9080 Key Features • Sequencing and monitoring of up to 8 voltage rails • All rails monitored and updated every 50-µs 3.5-mV resolution • Sequencing of up to three digital outputs for power-on-reset and other functions • Under- and over-voltage threshold per rail • I2C interface for configuration and monitoring • Microsoft® Windows® GUI for configuration and monitoring • Flexible rail shutdown • Supply voltage: 3.3 V • Low power consumption: 300 µA, 3.0 V POL-3 POL-4 Low Dropout Regulator DC/DC Converter Low Dropout Regulator DC/DC Converter RAIL2 POL-2 RAIL2 POL-1 RAIL1 RAIL0 Benefits • Intuitive Windows-based GUI for easy sequencing • Allows setting of dependent and independent rails • Saves fault information if power is suddenly disrupted 3.3 V DC/DC Converter POL-5 Hard Drive RAIL4 RAIL0 RAIL1 RAIL2 RAIL3 RAIL4 RAIL5 0 1 2 3 4 5 RAIL6 RAIL7 To System 10 k VDD_IPM Enable Outputs A/D Inputs UCD9080 6 7 0 1 2 3 4 5 EN0 EN1 EN2 EN3 EN4 EN5 6 7 EN6 EN7 10 k SDA SCL ???? Interface VDD Interrupt Output INT INT 1.8 V Low Dropout Regulator DSP POL-6 DSP/µC RAIL5 1.5 V Low Dropout Regulator To System VDD_IPM POL-7 Memory RAIL6 5.0 V DC/DC Converter Interface POL-8 RAIL7 8 Power Management for FPGAs Sine On Texas Instruments 2Q 2007 Reference Designs Reference Design for Cyclone II and Spartan-3 Family TPS62040 4.70 µF 2 VIN 5 VIN Low Power, Small Size, Simple Design 3 1 Key Features • Integrated high and lowside FETs to achieve up to 95% conversion efficiency • Typical quiescent current: 18 µA • Load current: 1.2 A • Operating input voltage range: 2.5 V to 6.0 V • Efficient generation of lower power I/O voltages • Switching frequency: 1.25 MHz reduces inductor size and output voltage ripple • Adjustable and fixed output voltages • Power save mode operation at light load currents • 100% duty cycle for lowest dropout • Internal soft-start 6 22µF Dual TPS6204x 4 VIN SW VIN SW EN FB MODE PGND RC PGND 3 1 RST 6 22µF VIN SW VIN SW EN FB PGND MODE 4 PGND RC 1.2 V 10 22µF 9 165 k 100 pF 8 3.3 V @ 1 A 7 5 10 22µF 9 VIN VDO RST RESET CT J1 12 V GND GND 12 V TP1 1 2 TP2 R2 127 k 1 RC VDD 8 2 SS ISNS 7 3 TPS40200 4 C4 1000 pF C8 33 pF C2 100 pF U1 TPS40200D R3 127 k 12 VIN Low Power, Cost Optimized Key Features • Simple 8-pin wide VIN controller for voltage rails needing less than 3 A • Voltage feed-forward for improved response to line transients 232 k 5 4.70 µF 2 VIN SENSE Download reference design schematic and BOM at: www-s.ti.com/sc/techlit/SBVR002 1.2 V @ 1 A 68 pF 7 TPS62046 Benefits • Power rail sequencing • High efficiency over wide-load range • Small solution size Reference Design for Cyclone II and Spartan-3 Family 8 COMP DRV FB GND R3 127 k 3 Q2 2N7002DICT C9 0.47 µF 1 R7 30.1 k 4.7 V D1 MMBZ5230BLT1 R5 1.0 K 4 6 3 5 R6 0 25 F = 200 kHz C7 470 pF R1 10 k C1 10 µF 6 1 C5 0.1 µF Q1 Si4403BDY L1 33 µH TP4 1 2 5V 1 J2 2 C6 10 µF D2 B340 TP4 C3 0.01 µF 1.2 V @ 3 A GND 2 R8 4.99 K TP5 3.3 V_RESET/ 4.7 V C10 150 pF TP6 TP7 4 ENAB/ TP8 R11 4.99 K R9 100 K R12 140 k VDD RST GND 5 SNS GND 3 2 1 U2 TPS3801-01DCK R13 16.2 K 12 V R14 127 k 1 RC VDD 8 2 SS ISNS 7 3 4 C13 1000 pF C17 33 pF C12 100 pF U3 TPS40200D COMP DRV FB GND R15 0.03 k R16 1.0 K 4 6 3 5 R17 0 F = 200 kHz 25 1 6 Q3 IRLMS6802 C14 0.1 µF C18 0.47 µF R18 30.1 k TP11 L2 33 µH TP9 1 3.3 V_RESET/ C16 470 pF C11 10 µF D3 B340 TP10 2 1 C15 10 µF 2 J3 3.3 V @ 2 A GND R19 4.99 K C19 150 pF R22 26.7 k Texas Instruments 2Q 2007 TP12 TP13 R20 100 K Power Management for FPGAs Sine On 9 Reference Designs Pull Up 3.3 or 5 V PU1 PWRGD_1.2 VIN VIN = 12 V + C1 47 µF 12 VIN, Mid Power, Simple Design 1 2 3 4 5 6 7 8 C9 10 µF TPS54350 Download reference design schematic and BOM at: www-s.ti.com/sc/techlit/SBVR001 U1 TPS54350PWP VIN BOOT VIN PH UVLO PH PWRGD LSG RT VBIAS SYNC PGND ENA AGND COMP VSENSE PwrPD Key Features • 180° out-of-phase operation minimizes input capacitance • 1.2-V SWIFT™ power good pin sequences 3.3-V rail • 100-mΩ MOSFET switch integrated for high efficiency at 3 A • Uses external lowside MOSFET for synchronous operation • Output voltage: adjustable down to 0.891 V with 1% accuracy • SwitcherPro™ design software + C4 1.0 µF C2 100 µF C10 0.1 µF C11 3300 pF R1 10.0 k R3 7.68 k R5 R2 1.37 k 28.7 k VOUT 1 = 1.2 V @ 3 A VOUT 2 - 3.3 V @ 3 A C8 3300 pF C15 10 µF C14 47 µF R14 10.0 k U2 TPS54350PWP VIN BOOT VIN PH UVLO PH PWRGD LSG RT VBIAS SYNC PGND ENA AGND COMP VSENSE PwrPD 17 C19 82 nF L2 10 µH C5 0.1 µF 16 15 14 13 12 11 10 9 1 2 3 67 Q2 FDR6674A + 8 5 C16 1.0 µF R7 3.74 k R11 137 C12 33 nF 1 2 12 V R1 10.0 K U1 TPS40190DRC 1.2 V 1 R3 100 K 2 3 TP3 R5 100 K C6 R6 4.99 K 470 pF C3 2200 pF 4 5 C9 100 pF EN FB HDRV SW COMP BOOT VDO LDRV C1 10 µF Q1 Si4426 R4 3.3 1.2 V L1 6.8 µH 10 9 TP4 1 TP5 2 8 C2 0.1 µF 7 GND BP5 11 PwrPD 1 + 6 C7 0.1 µF Q2 Si4408DY C8 4.7 µF 3.3 V_RESET/ 4 D1 MMBZ5230BLT1 C10 0.01 µF 12 V 3.3 V_RESET/ R14 100 K R17 4.99 K R18 100 K SNS GND 3 2 1 R11 16.2 K R12 10.0 K U3 TPS40190DRC 1 EN 2 FB TP7 C16 470 pF RST U2 TPS3801-01DCK 3.3 V TP10 VDD GND 5 4.7 V 1.2 V @ 6.0 A GND C5 10 µF 4.7 V R10 4.99 K 12 V J2 2 1 C4 2300 µF R8 Open R7 100 K R9 10 k C13 0.1 µF R12 1.00 k R6 768 TP2 R13 49.9 K C18 100 µF C20 3300 pF TP1 J1 1.2 V GND TP6 R15 4.7 4 C17 1800 pF R2 49.9 K VOUT = 3.3 V VOUT2 1 1 2 3 4 5 6 7 8 2 + Download reference design schematic and BOM at: www-s.ti.com/sc/techlit/SBVR003 Key Features • Input operating voltage range: 4.5 V to 15 V • Reference 0.591 V ±1% • Voltage mode control • Selectable short-circuit protection thresholds • Pre-bias output safe • Fixed switching frequency of 300 kHz • Internal soft-start • Bootstrapped drivers for N-Channel MOSFET • Adaptive anti-cross conduction • Internal bootstrap diode R10 4.7 8 5 PWRGD_3.3 R16 215 k TPS40190 VOUT = 1.2 V VOUT1 Q2 FDR6674A 4 C7 180 pF R13 10.0 k Benefits • Can be upgraded to 6 A with the TPS54550 pin-compatible device • Integrated FET minimizes board space 12 VIN, High Power, High Efficiency 1 2 3 67 17 C6 8200 pF Reference Design for Stratix II, Stratix II GX, Cyclone II, Virtex-4, Spartan-3 Family L1 10 µH C3 0.1 µF 16 15 14 13 12 11 10 9 1 R8 10.0 k 2 Reference Design for Stratix II, Stratix II GX, Cyclone II, Virtex-4, Spartan-3 Family R16 C13 100 K 2200 pF C19 100 pF HDRV 10 R15 3.3 9 SW 3 8 C12 0.1 µF COMP BOOT 4 7 VDO LDRV 5 6 GND BP5 11 PwrPD C17 0.1 µF C18 4.7 µF C11 2300 µF Q3 Si4426 L2 6.8 µH TP8 1 3.3 V TP9 2 1 2 + Q4 Si4408DY C14 10 µF J3 3.3 V @ 6.0 A GND 1 C15 2300 µF R19 Open Benefits • Scalable up to 20 A per rail • Easy power sequencing with EN pin • Highly efficient conversion to voltage rails 10 Power Management for FPGAs Sine On Texas Instruments 2Q 2007 Reference Designs Reference Design for Virtex-5 5-V Multiple FPGA Design for Complex Systems 10 µF +VIN + 470 µF 10 µF 1.0 V @ 10 A Maximum –VOUT Sense PTH08T240W +1.0 V @ 10 A Eff. 87% + +VOUT + 10 µF 1000 µF ESR 5 mΩ to 10 mΩ 1000 µF ESR 5 mΩ to 10 mΩ –VOUT +V ADJ Sense Inhibit/UVLO UVLO Adj. Download reference design schematic and BOM at: www-s.ti.com/sc/techlit/SLVR306 Benefits T2’s reduce development costs and save PCB space: • Sequencing easily implemented with Auto-Track technology • SmartSync synchronization for input cap reduction/easier filtering • TurboTrans technology for high transient load applications • Up to 8x reduction in output capacitors • Faster transient response • Stable with ultra-low ESR caps • 1.5% tolerance meets specs of FPGA core T/T AutoTrack PTH08T230W Key Features • T2 power modules for: • Higher current (up to 50 A) • Simplified sequencing with Auto-Track sequencing • Fast transient response with TurboTrans technology • Frequency synchronization with SmartSynch • TPS51100 for DDR termination power • Power supply for external flash memory • Power supply for fan control • Design used in Xilinx evaluation platform ML501 3.74 kΩ SmartSync (in) Rset = 20.5 kΩ - 1% Board Area 0.539 in2 Load GND 23.2 kΩ 5V SENSE CT SmartSync (in) VDD TPS3808G33 3.3 V SVS RESET 25 ms Delay MR T/T AutoTrack 2.2 µF + +VIN 470 µF PTH08T230W +3.3 V @ 6 A Eff. 94% 22 µF 4700 pF UVLO Adj. 3.3 V @ 6 A Maximum –VOUT Sense + +VOUT + 200 µF Ceramic 680 µF ESR 5 mΩ to 10 mΩ –VOUT +V ADJ Sense Inhibit/UVLO Rset = 1.21 kΩ - 1% Board Area 0.461 in2 SmartSync Control 240 kHz with Phase Shift Load GND 23.2 kΩ SmartSync (in) T/T AutoTrack 2.2 µF + +VIN 470 µF 22 µF UVLO Adj. PTH08T230W +3.3 V @ 6 A Eff. 94% Inhibit/UVLO 1.8 V @ 6 A Maximum –VOUT Sense + +VOUT + 200 µF Ceramic 100 pF ESR 5 mΩ to 10 mΩ –VOUT +V ADJ Sense Rset = 1.21 kΩ - 1% Board Area 0.461 in2 Load GND VDDQ 1.8 V TPS51100DGQ 5V VIN VTTDDR 0,9 V @ 1.4 A VDDQSNS VLDOIN S5 1 µF GND VTT DDR S3 PGND VTTREF 0.1 µF VTTSNS 10 µF PwrPD IN 1 µF EN BIAS 1 µF 10 kΩ TPS74401 2.5 V FB R2 0.001 µF 1 ms Power Up R2 = 1.69 kΩ - 1% R1 = 3.57 kΩ - 1% IN 1 µF BIAS 1 µF PowerGood PG 10 kΩ TPS74401 2.5 V OUT R1 SS GND 0.001 µF 1 ms Power Up Texas Instruments 2Q 2007 2.5 V Flash Reset OUT R1 GND 10 µF PowerGood PG SS EN 10 µF 2.5 V Fan Control Option FB R2 R2 = 1.69 kΩ - 1% R1 = 3.57 kΩ - 1% Power Management for FPGAs Sine On 11 TM Technology for Innovators TI Worldwide Technical Support Internet TI Semiconductor Product Information Center Home Page support.ti.com TI Semiconductor KnowledgeBase Home Page support.ti.com/sc/knowledgebase Product Information Centers Americas Phone Fax Internet +1(972) 644-5580 +1(972)927-6377 support.ti.com/sc/pic/americas.htm Europe, Middle East, and Africa Phone Belgium (English) +32 (0) 27 45 54 32 Finland (English) +358 (0) 9 25173948 France +33 (0) 1 30 70 11 64 Germany +49 (0) 8161 80 33 11 Israel (English) 180 949 0107 Italy 800 79 11 37 Netherlands (English) +31 (0) 546 87 95 45 Russia +7 (4) 95 98 10 701 Spain +34 902 35 40 28 Sweden (English) +46 (0) 8587 555 22 United Kingdom +44 (0) 1604 66 33 99 Fax +49 (0) 8161 80 2045 Internet support.ti.com/sc/pic/euro.htm Japan Fax International Domestic Internet International Domestic +81-3-3344-5317 0120-81-0036 support.ti.com/sc/pic/japan.htm www.tij.co.jp/pic Asia Phone International +886-2-23786800 Domestic Toll Free Number Australia 1-800-999-084 China 800-820-8682 Hong Kong 800-96-5941 India +91-80-41381665 (Toll) Indonesia 001-803-8861-1006 Korea 080-551-2804 Malaysia 1-800-80-3973 New Zealand 0800-446-934 Philippines 1-800-765-7404 Singapore 800-886-1028 Taiwan 0800-006800 Thailand 001-800-886-0010 Fax +886-2-2378-6808 Email [email protected] or [email protected] Internet support.ti.com/sc/pic/asia.htm D010307 Safe Harbor Statement This publication may contain forward-looking statements that involve a number of risks and uncertainties. These “forwardlooking statements” are intended to qualify for the safe harbor from liability established by the Private Securities Litigation Reform Act of 1995. These forward-looking statements generally can be identified by phrases such as TI or its management “believes,” “expects,” “anticipates,” “foresees,” “forecasts,” “estimates” or other words or phrases of similar import. Similarly, such statements herein that describe the company’s products, business strategy, outlook, objectives, plans, intentions or goals also are forward-looking statements. All such forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from those in forwardlooking statements. Please refer to TI’s most recent Form 10-K for more information on the risks and uncertainties that could materially affect future results of operations. We disclaim any intention or obligation to update any forward-looking statements as a result of developments occurring after the date of this publication. Important Notice: The products and services of Texas Instruments Incorporated and its subsidiaries described herein are sold subject to TI’s standard terms and conditions of sale. Customers are advised to obtain the most current and complete information about TI products and services before placing orders. TI assumes no liability for applications assistance, customer’s applications or product designs, software performance, or infringement of patents. The publication of information regarding any other company’s products or services does not constitute TI’s approval, warranty or endorsement thereof. Trademarks in this issue: Technology for Innovators , the black/red banner, TurboTrans, Sine On, SWIFT, SwitcherPro, EasyScale, High-Performance Analog >> Your Way graphic and Auto-Track are trademarks of Texas Instruments. Microsoft and Windows are registered trademarks of Microsoft Corporation. Altera, Max, Cyclone and Stratix are registered trademarks of Altera Corporation. Xilinx, Virtex, CoolRunner and Spartan are registered trademarks of Xilinx Inc. All other trademarks are the property of their respective owners. © 2007 Texas Instruments Incorporated Printed in U.S.A. by (Printer, City, State), on recycled paper Texas Instruments Incorporated 14950 FAA Blvd. Ft. Worth, Texas 76155-9950 PRSRT STD U.S. POSTAGE PAID DALLAS, TEXAS PERMIT NO. 2758 Address service requested TM AN ANALOG PRODCUT CATALOG Power Management Solutions for Xilinx® and Altera® FPGAs 2Q 2007 SLYM065