Intel AXXRSBBU6 rechargeable battery
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1. RAID Controller Server Board Figure 2 Block Diagram 2 3 Board to board connector Hardware The Smart Battery can be mounted as a daughter card through the 20 pin board to board connector to the RAID controller The follow RAID Controllers are supported Intel Server RAID Controller SRCSASBB8I Intel Server RAID Controller SRCSASLSAI Table 2 Board to Board Interface Connector Pin out s mm mu Intel order number E36068 001 Revision 1 0 Hardware Intel RAID Smart Battery AXXRSBBU6 Technical Product Specification BBSTATUS Output VBB DRR MEM Output 2 4 In Line connector The 20 pin In Line connector is reserved by factory use only Table 3 In Line Connector Pin out 7 PEAR w w lt 10 11 12 13 14 15 16 PFAIL 17 SPARE XD0_BBE BBSTROBE BBSTATUS 18 19 20 Revision 1 0 5 Intel order number E36068 001 Intel RAID Smart Battery AXXRSBBUG Technical Product Specification Hardware 2 5 Smart Refresh Circuit Board The Intel RAID Smart Battery AXXRSBBUG is based on the Texas Instruments bq2060A SBS v1 1 compliant Gas Gauge IC The key features of the SBS v1 1 IC are Provides accurate measurement of available charge Supports SBS Smart Battery Data Specification v1 1 Reports voltages Provides voltage temperature and current measurements Measures charge flow using a V to F converter with offset of less than 162. ANG e ctn 10 4 1 Intel RAID BIOS Console 2 3 oos Ce ae bk doe ee ee 10 4 2 Intel RAID Web Console Preces heh al electa Perce ect wad as ate eat 10 4 3 Intel RAID Command Line Tool 2 Utility essere 10 List of Figures Figure 1 Intel RAID Smart Battery AXXRSBBUG cccccccscsssecssescessestecstecstscseecseeesesssesteeetens 1 Figure 2 Block DIBOPSIT enacted ene iu peor ertt aE EAE LE one pe dud tae etas 4 List of Tables Table 1 Electrical and Mechanical Details eceeceeenn menm 3 Table 2 Board to Board Interface Connector Pin out eseeeen mee 4 Table 3 In Line Connector Pin out eseeee m niert emere rene rennen 5 Table 4 Connector PirsOUuts eot Dette perte eei ne leeh tet qos esa dto gero date Mte da ere ER RS 7 Revision 1 0 ii Intel order number E36068 001 List of Tables Intel RAID Smart Battery AXXRSBBU6 Technical Product Specification lt This page intentionally left blank gt iv Revision 1 0 Intel order number E36068 001 Overview Intel RAID Smart Battery AXXRSBBU6 Technical Product Specification 1 Overview This document describes the key hardware components firmware and software utilities for the Intel RAID Smart Battery AXXRSBBUSG The Smart Battery AXXRSBBUG ensures data integrity for the RAID solution by ensuring that the data passing through the cache is written to the hard drives The Smart Battery s
3. Intel RAID Smart Battery AXXRSBBU6 Technical Product Specification Intel order number E36068 001 Revision 1 0 February 2008 Enterprise Platforms and Services Marketing Revision History Intel RAID Smart Battery AXXRSBBUO Technical Product Specification Revision History Revision Modifications Number February 2008 initial Release Disclaimers INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL amp PRODUCTS NO LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT EXCEPT AS PROVIDED IN INTEL S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS INTEL ASSUMES NO LIABILITY WHATSOEVER AND INTEL DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY RELATING TO SALE AND OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE MERCHANTABILITY OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT Intel products are not intended for use in medical life saving life sustaining critical control or safety systems or in nuclear facility applications Intel might change specifications and product descriptions at any time without notice Designers must not rely on the absence or characteristics of any features or instructions marked reserved or undefined Intel reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future
4. Windows and Linux operating systems that are supported by the RAID solution being used This utility can be used to monitor battery status charge level and the number of recharge cycles 43 Intel RAID Command Line Tool 2 Utility This text based command line utility is available for Windows and Linux operating systems It can be use to view battery status and to initiate a relearn 10 Revision 1 0 Intel order number E36068 001
5. changes to them The Intel RAID Smart Battery AXXRSBBUG may contain design defects or errors known as errata which may cause the product to deviate from published specifications Current characterized errata are available on request Intel is a trademark or registered trademark of Intel Corporation or its subsidiaries in the United States and other countries Other names and brands may be claimed as the property of others Copyright 2008 Intel Corporation Portions Copyright LSI Logic Inc i Revision 1 0 Intel order number E36068 001 Intel RAID Smart Battery AXXRSBBUG Technical Product Specification Table of Contents Table of Contents EE P M E EiR 1 LAE CIVELIT X M Pa 3 2 1 Electrical and Mechanical Details seeeeeeeesseesssesesssssssseessesseeee eee 3 2 2 Functional Block Diagrami coti e tereti ol i iai dte otis iuteres 4 2 3 Board to board connector sse eene 4 24 In Line connector eiecit e re ERE RR XE E IE REI RR ER RE CHEER Ea n 5 2 5 Smart Refresh Circuit Boards aa anaa eara Ae E e E E a ae 6 2 6 Connector Cable dct E E EEEE E E EEA 7 2 7 Battery PACK so de A E AA ia 7 2 7 1 Battery SIdles scis eR IUe quM iM ee cct ian tar e Aan etait acit aco 7 3 RAID Firmware Interaction Lee Lee ee eese eL ee eee eee ee eee eere eere nennen etre nnn nnn nnn 9 A SOMW
6. ntel RAID Smart Battery AXXRSBBU6 Technical Product Specification 2 Hardware 2 1 Electrical and Mechanical Details Table 1 Electrical and Mechanical Details 2096 80 96 non condensing Storage temperature Greater than 90 days at 0 to 30 degrees Celsius 30 to 90 days at 30 to 40 degrees Celsius Less than 30 days at 40 to 50 degrees Celsius Storage humidity 5 90 non condensing Capacity 700 mAH Voltages Nominal OCV 3 7 V Current draw Battery logic 1 15mA 12 V rail 200 mA when pack is charging 12 V rail 3 0 mA when pack is not charging 3 3 V rail 140 uA constant Fast charge current 512 mAH Maintenance charge rate 100 mAH Battery voltage conditioning Less than 3 01 V Battery charge time Typical 6 hours to charge from 3 01V OCV to 5 5V OCV Worst case 8 hours if pack is completely depleted of charge MTBF Electrical Components 2 490 772 hours at 40 degrees Celsius Battery operational life 500 recharges cycles Note Intel recommends replacing the battery yearly Revision 1 0 3 Intel order number E36068 001 Intel RAID Smart Battery AXXRSBBUG Technical Product Specification 2 2 Functional Block Diagram AXXRSBBU6 Basic Functional Block Diagram Battery pack Li ion Charger Gas Guage Cache Memory Battery Power Gas Gauge Comparator Regulators Charging Circuitry VDD Battery Memory Bus 2Wire Bus Interface amp Power
7. ntel RAID Smart Battery AXXRSBBUS Technical Product Specification 3 RAID Firmware Interaction RAID firmware detects the battery status and logs the following events Battery present Battery not present New battery detected Battery has been replaced Battery temperature is high Battery voltage is low Battery is charging Battery is discharging Battery voltage is normal Battery needs replacement SOH bad Battery needs replacement 3 years old Battery needs replacement Charger is not working Relearn started Relearn in progress Relearn completed Relearn timed out Relearn pending Battery is charging mRelearn post phoned Relearn will start in 4 days Relearn will start in 2 days Relearn will start in 1 day Relearn will start in 5 hours Revision 1 0 9 Intel order number E36068 001 Intel RAID Smart Battery AXXRSBBUG Technical Product Specification Software 4 Software 4 1 Intel RAID BIOS Console 2 The system BIOS loads the RAID option ROM that is resident on the RAID controller flash Run this utility by pressing Ctrl lt G gt when prompted during POST The option ROM checks for the presence of the battery and informs the user if the battery is missing or not fully charged The RAID BIOS Console Utility can be used to monitor charge cycle count and voltage levels 4 2 Intel RAID Web Console 2 This is an operating system based utility for the Microsoft
8. or improved battery maintenance calibration and charging performance 6 Revision 1 0 Intel order number E36068 001 Hardware Intel RAID Smart Battery AXXRSBBU6 Technical Product Specification 2 6 Connector Cable A 5 pin connector cable connects the battery pack to the Smart Battery circuit board Table 4 Connector Pin outs Signal Name VBATP Positive terminal of the PACK THERMISTOR SENSE Sense contact of the thermistor Negative terminal of the PACK Clock for PACK monitoring Data for PACK monitoring 2 7 Battery Pack The cache memory hold time depends on the size and configuration of the RAID controller memory Retention time varies depending on memory capacity and the number of memory components used on the DIMM to support that capacity Estimates for battery backup retention time with different configurations of DDR2 memory are listed below 256 MB 256 Mb devices 46 hours 512 MB 256 Mb devices 23 hours 512 MB 512 Mb devices 46 hours 2 7 1 Battery States The battery pack includes battery sensing logic that senses the battery voltage levels and recognizes the battery state 2 7 1 1 Initialized State The battery is in the initialized state during a normal power up sequence In RAID firmware there are two times when initialization occurs During boot loader execution During RAID firmware boot 2 7 1 2 Discharging State The battery voltage is drained as part of a relearn cycle 2 7 1 3 F
9. uV after calibration The bq2060A SBS compliant Gas Gauge IC for battery pack maintains an accurate record of the available charge It determines battery capacity by monitoring the amount of charge input or removed from a rechargeable battery The bq2060A measures battery voltage temperature and current estimates battery self discharge and monitors the battery for low voltage thresholds It measures charge and discharge activity by monitoring the voltage across a small value series sense resistor between the battery s negative terminal and the negative terminal of the battery pack The available battery charge is determined by monitoring this voltage and correcting the measurement for environmental and operating conditions For more information about the Texas Instruments bq2060A SBS v1 1 compliant Gas Gauge IC refer to the manufacturer Web site The Intel RAID Smart Battery AXXRSBBU6 features are reviewed below Integrates into the battery back Reduces host CPU intervention Shares lC bus with the onboard EEPROM for memory Provides real time battery status information Displays Low charge warning Provides instantaneous voltage current and temperature information Supplies battery charge percentage remaining and at rate information Broadcasts event alarms to the host Out of temperature Terminate charge Terminate discharge Low capacity Displays manufacturing information Provides Smart Charger Protocol f
10. uickly at the software application level The RAID controller then writes the cached data to the storage device when system activity is low or when the cache is full Revision 1 0 Intel order number E36068 001 Intel RAID Smart Battery AXXRSBBUS Technical Product Specification Overview This method of writing data carries a risk Cached data on the RAID controller can be lost if the AC power fails before it is written to the storage device The Smart Battery mitigates this risk by providing battery power to the RAID controller if AC power is lost The Smart Battery monitors the voltage level of the DRAM modules on the RAID controller If the voltage drops below a defined level the Smart Battery switches the memory power source from the RAID controller to the battery pack The battery pack provides power for the memory until the voltage returns to an acceptable level at which time the Smart Battery circuit board switches the power source back to the RAID controller Cached data is then written to the storage devices with no loss of data The Smart Battery provides additional fault tolerance when used with a UPS The battery pack cache memory hold time depends on the size and configuration of the RAID controller memory Retention time depends on memory capacity and the number of memory components on the DIMM to support the capacity Estimated battery backup retention time is 72 hours 2 Revision 1 0 Intel order number E36068 001 Hardware I
11. ully Charged State A battery that is not fully charged has a low voltage level that indicates the level of charge Charging begins when the battery logic detects low voltage and power is supplied Once a new battery is fully charged a relearn cycle is initiated Relearn is the process of taking a fully charged battery through discharge charge cycle to update the gas gauge capacity Revision 1 0 7 Intel order number E36068 001 Intel RAID Smart Battery AXXRSBBUS Technical Product Specification Hardware parameters The relearn cycle takes up to 24 hours to fully discharge and recharge the battery pack After the relearn cycle is completed information from the battery accurately provides the state of charge capacity and other parameters These parameters determine the health of the battery The relearn cycle can be set at a user definable interval The default is a one month 30 day interval Avrelearn cycle initiates on a newly inserted battery even if the battery was previously fully charged Some applications can start a relearn or a relearn can be manually started 2 7 1 4 Fully discharged State The fully discharged state is detected as a low voltage parameter The charger detects a fully discharged battery state and starts charging the cells when sufficient power is available and when the firmware has finished initializing the battery pack 8 Revision 1 0 Intel order number E36068 001 RAID Firmware Interaction I
12. upports RAID controllers that use a standard 128 MB or 256 MB DDR2 DIMM It is available as an accessory for selected RAID controllers Intel RAID Smart Battery AXXRSBBUG contains the following components Board to board connector The AXXRSBBU6 can connect to the base controller through the connector as a daughter card to the base controller Smart Refresh Circuit board Ensures that the battery is maintained at optimal performance and charge levels This circuit is based on the Texas Instruments bq2060A SBS v1 1 Compliant Gas Gauge IC 5 pin connector cable Allows communication between the Smart Refresh Circuit board and the battery pack Battery pack Includes a circuit logic board and attached Li ion batteries The logic board provides sensing and management logic to support the battery charge discharge and monitoring functionality Software Notifies the user of failures or corrective actions Monitoring is accomplished through the Intel RAID BIOS Console 2 Intel RAID Web Console 2 or command line Tool 2 utilities Figure 1 Intel RAID Smart Battery AXXRSBBUS The battery pack charges automatically and communicates battery status information such as voltage temperature and current to the host computer system Because it is faster to write data to the RAID adapter s cache memory than it is to write it directly to a storage device data is first written to the cache memory These write operations complete q
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