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BQ4847YMT Datasheet - RTC W NVSRAM Control, Watchdog Timer, uP ...
RTC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and Battery Low ... On-chip battery-backup switch-over circuit with nonvolatile control for an ...
www.chipcatalog.com/TI/BQ4847YMT.htm - 11k -
LT1239 - Backup Battery Management Circuit
File Format: PDF/Adobe Acrobat
2. Memory Power Control: The LT1239 provides power. for the memory and includes automatic switchover. between the backup battery and the main 5V system ...
www.linear.com/pc/downloadDocument.do?navId=H0,C3,P1157,D2347 -
APC (American Power Conversion) Computer Reviews - APC BE650R Back ...
Description: The Back-UPS ES offers affordable battery backup and surge ... but a notebook already has a battery and can switch over fast enough to keep you ...
reviews.pricegrabber.com/upss/m/13159503/ -
broc ACU200-2002
File Format: PDF/Adobe Acrobat
alarm inputs and 6 control outputs. - Built in power supply with battery. backup and automatic switchover. - Industry standard Wiegand or RS485 ...
www.safcosecurity.com/asis/acu200.pdf -
ICT Offers Power Supplies customized base station covers, smart ...
ICT - Innovative Circuit Technology Innovative Circuit Technology is a North ... The ICT Battery Backup module delivers uninterruptible power to any 12-volt ...
www.tessco.com/yts/partner/manufacturer_list/vendors/ict/power_supplies.html - 13k -
Overview of Highpower's Access Control Systems
This is a 1 Amp 12/24 Volt Selectable power supply that has a built-in battery backup charging circuit. This power supply will automatically switch over to ...
www.highpowersecurity.com/system.htm - 18k -
Introduction—Battery Back Up Unit for DC Power Management
File Format: PDF/Adobe Acrobat
Weidmuller’s Battery Back Up Unit. (BBU) is designed to be the heart of an .... switch over in milliseconds. The BBU has two form C relays, one for. Battery ...
www.weidmuller.com/downloads/pdfs/datasheets/Battery_Back_Up.pdf -
Inverter/charger for battery backup applications acts as an ...
22 Jan 2007 ... Inverter/charger for battery backup applications acts as an ... transfer relay enables a switchover time of less than 20ms to be achieved. ...
www.eetimes.eu/products/powersources/196902431 -
(WO/1997/050168) POWER SUPPLY FOR LIGHT EMITTING DIODE ARRAY
The apparatus according to claim 1 including an adaptive clamp circuit means ... said switch-over means (82) to disconnect said battery backup means output ...
www.wipo.int/pctdb/en/wo.jsp?wo=1997050168&IA=WO1997050168&DISPLAY=CLAIMS - 25k -
Battery Backup: Why Your Gear Needs It - AVS Forum
Battery backup systems were once thought to be the exclusive domain of high-end ... Since the circuit runs through the battery, these don’t suffer from ...
www.avsforum.com/avs-vb/showthread.php?t=1016752 - 58k -
Battery Chargers
Battery Backup: Built in charger for sealed lead acid batteries. Automatic switchover to stand-by battery when AC Fails. PTC battery protection. ...
shopping.msn.com/.../bcatid4685/forsale?text=category:battery-chargers+price:100-149.99&page=4 - 139k -
RTC IC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and ...
Real-Time Clock counts seconds through years in BCD format; On-chip battery-backup switchover circuit with nonvolatile control for external SRAM ...
focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=BQ4845 - 97k -
1 MBIT (128KB X 8) ZEROPOWER SRAM
File Format: PDF/Adobe Acrobat
tect circuit. This control circuitry constantly moni- ... Battery Back-up Switchover Voltage. 2. See Table 7 for details. ...
www.premier-electric.com/files/STM/pdf/M48Z129.pdf -
ÉɺÉxÉÉnäÉ ºÉÆJªÉÉ 2227vÉÂ6-{ÉÖ-7-2007-2(27)/98 ÉÊnxÉÉìBÉE 30
File Format: Microsoft Word
The system shall be upgradeable to Access Control System .... 12 Hrs battery backup preferably; Automatic switch over circuit : Once AC is failed, ...
uppolice.up.nic.in/tender/sec_7-3-08.doc -
Chipdir
690, MAX690R, mpuchk, 3V uP Supervisor with Battery-Backup switchover ... 706, ADM706, system, +3 V, Voltage Monitoring uP Supervisory Circuits, data · AD ...
www.embeddedlinks.com/chipdir/s/3volt.htm - 96k
