Power Manager II & ispClock Applications Power Manager and ispClock™ are two In-System Programmable mixed signal product families from Lattice Semiconductor. Each of these devices provide cost effective, standardized solutions across a wide range of applications which traditionally require multiple ICs and discrete components. The following table outlines some of these applications and their corresponding circuit diagrams and advantages. Power Manager II & ispClock Example Applications by Type of System Type of System: Chassis Socket # Device Function See Applicaton # 1 Power1014 or Power607 Hot-swap Controller (±48V, +24V, +12V) 2 Power1014/A On-board CPU Reset Generation, Power Supply OV/UV Supervision, Power Supply Sequencing, Watchdog Timer, Soft Start 1, 2 3 3 Power6AT6 Reduce the Cost of Power Supplies with Increased Accuracy + Power Supply Margining 4 4 Power1220AT8 Power1014 Application + Power6AT6 Apps 5 ispClock5312S/08S/04S/16S/20S CPU Clock Distribution Zero Delay Buffer, Fan-out Buffer, Multi-Voltage Logic Interface 6 ispClock5620A/10A Multiple Clock Frequency Generation, Differential/Single-Ended Clock Distribution 7 7 ispClock56XXA or 53XXS Backplane Clock Interface 8 2, 3, 4 5, 6 Type of System: Pizza Box Form Factor / Single Board System Socket # Device Function See Applicaton # 1 Power1014/A On-board CPU Reset Generation, Power Supply OV/UV Supervision, Power Supply Sequencing, Watchdog Timer, Soft Start 2 Power6AT6 Reduce the Cost of Power Supplies with Increased Accuracy + Power Supply Margining 3 Power1220AT8 Power1014 Application+Power6AT6 Apps 4 ispClock5312S/08S/04S/16S/20S CPU Clock Distribution Zero Delay Buffer, Fan-out Buffer, Multi-Voltage Logic Interface 5 ispClock5620A/10A Multiple Clock Frequency Generation, Differential/Single-Ended Clock Distribution 3 4 2, 3, 4 5, 6 7 Type of System: Low Cost Customer Premises Equipment (e.g. Set Top Box) Socket # Device Function See Applicaton # 1 Power607 On-board CPU Reset Generation, Power Supply OV/UV Supervision, Watchdog Timer, LED Display Driver 2 ispClock5312S/08S/04S CPU Clock Distribution Zero Delay Buffer, Fan-out Buffer, Multi-Voltage Logic Interface 3 5, 6 Type of System: PC Add-on Card (e.g. PCIe) Socket # Device Function See Applicaton # 1 Power1014/A Soft-start with Current limiting, Power Supply Sequencing, Control Signal Interface (Pulse Stretching, etc.) 2, 3 2 ispClock5312S/08S/04S CPU Clock Distribution Zero Delay Buffer, Fan-out Buffer, Multi-Voltage Logic Interface 5, 6 Application #1: ±48V Power1014 Intelligent Hot Swap Controller A RTN B Board RTN Fuse Hold-off Capacitor V-Reg 5.1V Command from IPM Controller IN1 IN2 VMON6 VMON7 Current Sense RSENSE + In-Rush Limit - Power Manager II POWR1014 / POWR607 10V HVOUT1 VMON5 VMON1 VMON2 MVON3 VMON4 VDD RSENSE Blown Fuse Detection Circuit 12V to 24V Bus 48V Board Supply Fuse GND A -48V B Application #2: +12V to 24V Programmable In-Rush Current Limit OUT4 OUT5 OUT6 Response to IPM Controller Opto INP12V_OK ISENSE_OK Current Control Fast_Shut_Dn SOFT STARTED 12V_OK Power Manager II Opto Advantages: Low Cost, Programmable Hold-off, Recycle Timing, MOSFET Operates in SOA, Early Fault Detection Advantages: Low Cost, Programmable Current Limit Startup/Operating, Can be Easily Integrated into Board Power Management Scheme www.latticesemi.com Application #3: Power1014/A Standard µP / DSP Support IC Application #4: Power Manager Improves Accuracy of DC-DC Converters DC-DC Converter Switcher Inductor & Filters PWM Controller Feedback Hot-Swap Controller Sequencing & Tracking Control Supply Sequencer & Tracker DC-DC #1 DC-DC #2 2 Vout Error <1% Interrupt – Power Fail Reset Generator CPU_Reset_In Manual Reset In I2C WDT Trigger Power Manager II POWR1220AT8/ POWR6AT6 Interrupt – WDT Watchdog Timer Load DC-DC #n Power CPU / Microprocessor Supply Bus Voltage Supervisor Vout POWR607 Power Manager II - POWR1014/A Advantages: Convert Any DC-DC Converter to Accurate, Digitally Controlled Supply Advantages: Low Cost, Integration, Standardized Solution Application #5: ispClock Standard µP / DSP Clock Distribution IC 2.5V 2.5V 3.3V Zero Delay Buffer CMOS Driver CMOS Driver Termination Termination SSTL Driver V3 External Feedback Common CPU Bus Lattice ispClock 5600A Zero Delay Buffer 33MHz Device #1 66MHz Device #2 50MHz Device #n + is ispClock5300S g Integrates Single-Ended lo Distribution ICs Clock Lattice ispClock 5300S Termination V3 V2 Application #8: ispClock – Synchronizing with Backplane Clocks Device #3 • • • V2 V1 Advantages: Standardize on ispClock5300S Instead of Multiple FOB and ZDB Termination Termination PLL Single Ended Clock Input Output Routing Matrix Clock Gen. Device #2 V1 External Feedback ispClock5600A Integrates Clock Generation and Distribution ICs Device #1 LVDS Driver Output Routing Matrix Application #7: ispClock – PLD for Clocking Networks Single Ended Clock Input Output Routing Matrix Advantages: Integrates ZDB, FOB, Programmable Skew and Termination, Multi-Voltage Logic Interface Printed Circuit Board Single Ended Clock Input Single Ended Clock Input Common CPU Bus Clock Oscillator Dual Non-Zero Delay Buffer Output Routing Matrix ispClock5300S Device #n Single Ended Clock Input Output Routing Matrix Device #2 Non-Zero Delay Buffer with & w/o Divider Mode Output Routing Matrix V3 External Feedback Output Routing Matrix DSP CPU / Microprocessor Zero Delay Buffer V2 Single Ended Clock Input Output Routing Matrix Device #n Device #1 CPU Clock V1 PLL 1.2V Zero Delay & Non-Zero Delay Buffer Zero Delay Buffer Output Routing Matrix Single Ended Diff. Clock Input #2 DC-DC DC-DC DC-DC #1 #1 #n Power Manager II Device #1 3.3V Device Non-Zero Delay Buffer (Fan-out Buffer) Oscillator Application #6: ispClock 5300S – Four Modes of Operation Generator + Backplane Clock 8MHz Fan-out Buffer ispClock5600A Device #n Advantages: ispClock – Integrates Clock Generation, Single-Ended & Differential Clock Buffers, Programmable Skew & Termination Advantages: Generate & Distribute Multiple Clocks Synchronized with the Backplane Clock Copyright © 2007 Lattice Semiconductor Corporation. Lattice Semiconductor, L (stylized) Lattice Semiconductor Corp., and Lattice (design), and ispClock are either registered trademarks or trademarks of Lattice Semiconductor Corporation in the United States and/or other countries. Other product names used in this publication are for identification purposes only and may be trademarks of their respective companies. July 2007 • Order #: I0191b