... Battery Load Sharing Application DESCRIPTION Design Specifications This application note shows how to design a simple load sharing system using Microchip s popular MCP73837 device for cost-sensitive ... wastes unnecessary current when the input sources are present A 100 kΩ RPULL resistor is recommended in this design which consumes about 50 µA when VIN = 5V RPULL 10 Thermistor COUT THERM B VSS ... WITH SYSTEM LOAD Figure shows a complete system load and battery power path management circuit, which was designed for demonstration purposes in this application note The system load was set up...
Ngày tải lên: 11/01/2016, 16:46
... programs in support of this growing industry This task of this report is to summarize the presentations and discussions that took place at this symposium Needless to say, the battery industry has ... cars still costs around $2,500 19 Unless gas prices skyrocket, some analysts believe costs must drop by around two-thirds and that battery size must shrink dramatically before most consumers see ... processes, EnerDel will seek workers with two-year applied sciences agrees, he said Such skilled workers also are needed in emerging-technology industries such as wind turbines, solar panels, and...
Ngày tải lên: 18/02/2014, 21:20
AN1137 using the MCP1631 family to develop low cost battery chargers
... logic-level switch is selected MOSFET switching losses should also be considered when selecting the MOSFET switch Low on resistance switches tend to have high capacitance and will switch slower, increasing ... any power lost in series with the battery while running the system When sensing battery current, a low value sense resistor is desired to minimize power loss, the The resistor in series with the ... Company s quality system processes and procedures are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products In...
Ngày tải lên: 11/01/2016, 16:45
AN1276 design a low cost lithium iron phosphate (LiFePO4) battery charger with MCP73123
... Customers should contact their distributor, representatives or field application engineer (FAE) for support and sample Local sales offices are also available to help customers A listing of sales ... be superseded by updates It is your responsibility to ensure that your application meets with your specifications MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR ... E24 Resistor (Ω) Battery Charge Status Outputs (STAT) The charge status outputs are open-drain outputs with two different states: Low (L), and High Impedance (Hi-Z) The charge status outputs can...
Ngày tải lên: 11/01/2016, 17:04
AN1293 multiple chemistry battery charger solution using the MCP1631HV PIC® device attach PWM controller
... be superseded by updates It is your responsibility to ensure that your application meets with your specifications MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR ... VOUT COUT CIN D Solid State Switch G S VEXT (PWM drive switch) CS (current sense) Rlimit FIGURE 7: DS01293B-page Iload_sense Rload_sense Single-Ended Primary Inductive Converter (SEPIC) Powertrain ... case has been detected • Overvoltage Shutdown – Red LED flashes at Hz rate if an overvoltage or a missing/open load has been detected A resistor divisor network composed of R5, R8 and R15 is used...
Ngày tải lên: 11/01/2016, 17:05
Báo cáo khoa học: "Effect of intern’s consecutive work hours on safety, medical education and professionalism"
... learn less than better-rested residents who spend fewer hours in the hospital remains to be tested, and should be a major focus of future work Authors’ response Eric B Milbrandt, Babak Sarani ... errors” was based on the incorrect assumption that the total number of days in each schedule was the same Under this assumption, the observation that there were more admissions and patientdays, ... patients admitted and cared for by interns in each study arm We stated that “based on the results of these studies, it seems that the ACGME resident work hour restrictions are warranted”, when instead...
Ngày tải lên: 25/10/2012, 10:45
THE LEADER''S NEW WORK
... the steward of a vision shifts a leader 's relationship toward her or his personal vision It ceases to be a possession, as in "this is my vision," and becomes a calling You are "its" as much as ... "dissolved." This is the hallmark of effective design As this story illustrates, the design work of leaders includes designing an organization 's policies, strategies, and "systems." But it goes beyond ... others and others' ideas In the absence of such effort, personal charisma is style without substance It leaves those affected less able to think for themselves and less able to make wise choices...
Ngày tải lên: 17/10/2013, 18:20
Tài liệu It’s All in a Day’s Work docx
... echo $salt; ?>"> The authentication is performed in check3.php First, the script needs to set up a session, which it does as follows: session_start(); $sessionStarted = true; The $sessionStarted ... address is not that difficult, that is not ideal Because session support in PHP is so easy, sessions make the per- March 2005 ● PHP Architect ● www.phparch.com This is will establish a session ... Test Areas Legacy Enterprise Software Open Source Software SourceLabs CERT7 Testing Unit Functional Testing System Functional Testing System Stress Testing System Scalability Profile System Failover...
Ngày tải lên: 11/12/2013, 02:15
Tài liệu It’s All in a Day’s Work ppt
... echo $salt; ?>"> The authentication is performed in check3.php First, the script needs to set up a session, which it does as follows: session_start(); $sessionStarted = true; The $sessionStarted ... address is not that difficult, that is not ideal Because session support in PHP is so easy, sessions make the per- March 2005 ● PHP Architect ● www.phparch.com This is will establish a session ... Test Areas Legacy Enterprise Software Open Source Software SourceLabs CERT7 Testing Unit Functional Testing System Functional Testing System Stress Testing System Scalability Profile System Failover...
Ngày tải lên: 17/01/2014, 18:20
It’s Not You, It’s Your Strategy: The HIAPy Guide to Finding Work in a Tough Job Market
... your odds of success Another way to put it is that pessimists turns molehills into mountains, while optimists turn molehills into anthills And, guess what: the optimist is almost always right, ... no such candidate exists As discussed in Chapter 5, the proper response to one s weaknesses is not to give up hope, but to frame your experience and skills so that you’re the strongest possible ... www.lifelongactivist.com Solving a problem means taking specific actions such as observing its symptoms or manifestations; precisely defining it; researching it and its possible solutions; developing a strategy...
Ngày tải lên: 09/02/2014, 20:53
Tài liệu Research " EXTERNAL AUDITOR''''S EVALUTIONS OF INTERNAL : AUDIT WORK - A CASCADED INFERENCE APPROACH " ppt
Ngày tải lên: 18/02/2014, 11:20
Global Inequalities at Work: Work’s Impact on the Health of Individuals, Families, and Societies pdf
... workers exposed to asbestos in the United States (Steenland and Stayner, 1997) By 1997, dust-related lung diseases, including silicosis, asbestosis, and coal workers’ pneumoconiosis, accounted ... workers in 1902, and workers’ compensation laws for railway workers followed in 16 states in 1906 In 1911, Wisconsin, and then seven other states, passed broader laws that compensated workers across ... colleagues, she has conducted research on the health status of female workers including projects focused on domestic workers, street vendors, and maquiladora workers Her research focuses on understanding...
Ngày tải lên: 16/03/2014, 12:20
Integrating Gender into the World Bank’s Work: A Strategy for Action potx
... reduction focus of Poverty Reduction Strategy Papers (PRSPs) in Joint Staff Assessments (JSAs); • the criteria used to assess the adequacy of the poverty reduction focus of the CAS and Sector Strategy ... and assist them in taking action on these issues Gender is thus treated as a crosscutting issue potentially relevant in all countries and sectors, rather than as a distinct sector or an issue ... dimension into the criteria used to assess the poverty reduction focus of CASs and sector strategy papers For purposes of monitoring and quality assurance, it is important that the CAS discusses...
Ngày tải lên: 22/03/2014, 21:20
Let''''s go 3 Work Book (3rd edition) part 1 doc
... UNIVERSITY PRESS s e ? ' -1 - - - - - - - - - - - - - _._ - _ ...
Ngày tải lên: 25/03/2014, 08:22