What is uninterruptible power supply (UPS)?
| An uninterruptible power supply (UPS) is equipment that provides emergency power to a load when the input power source, typically the utility mains, fails. A UPS differs from an auxiliary or emergency power system or standby generator in that it provides |
total search753 articles
sort by relevance
sort by date
| 2009-09-22 | ispPAC-POWR1208P1 evaluation board PAC-POWR1208P1-EV Here's a look at Lattice's ispPAC-POWR1208P1 in-system-programmable analogue circuit, which allows designers to implement the analogue and digital functions of a power supply monitoring and sequencing sub-system within a single IC. |
| 2009-09-21 | Using a multiple voltage supervisor for over and under voltage power supply shutdown and fault monitoring Using a multiple voltage supervisor for over and under voltage power supply shutdown and fault monitoring |
| 2009-09-23 | ISL88001, ISL88002, ISL88003 application note The ISL88001, ISL88002 and ISL88003 are a family of extremely low-power voltage supervisors that monitor critical power supply voltages and ensure the proper initialisation of the system circuits in a wide variety of applications. |
| 2009-09-16 | A 300W, universal input, isolated PFC power supply for LCD TV applications A 300W, universal input, isolated PFC power supply for LCD TV applications |
| 2009-09-15 | Supervisory ICs pack 500nA supply current Supervisory ICs pack 500nA supply current |
| 2009-09-14 | Hot swappable power supply suits bulk power Hot swappable power supply suits bulk power |
| 2009-09-09 | 600V MOSFETs ups reliability of resonant converters Fairchild's 600V Super-Junction MOSFETs touts that its low RDS(ON) and total gate charge brings 40 per cent lower Figure of Merit compared to the 600V SuperFET MOSFETs. |
| 2009-09-01 | DAC packs four output channels Maxim Integrated Products is offering the DS4426, a low-cost, quad sink/source current DAC with tracking control. |
| 2009-09-01 | Paralleling of power MOSFETs in PFC topology Paralleling of power MOSFETs in PFC topology |
| 2009-08-28 | Supervisor ICs save space, extend battery life Maxim's new supervisory circuits claim lowest supply current for monitoring a single system supply voltage. |
| 2009-08-31 | Power supply and DC/DC converter control using Intersil digitally controlled potentiometers (XDCPs Power supply and DC/DC converter control using Intersil digitally controlled potentiometers (XDCPs |
| 2009-08-27 | Enhancing embedded's power supply efficiency Enhancing embedded's power supply efficiency |
| 2009-08-26 | Will India have sufficient power Will India have sufficient power |
| 2009-08-28 | Boost backlight LED driver This is a reference design for an LED display-backlight driver. The design uses a boost power supply with adaptive feedback for efficiency and linear current sinks for a high dimming ratio (2,000:1). |
| 2009-08-25 | Compact power supply is highly efficient Compact power supply is highly efficient |
| 2009-08-14 | Assess power-supply noise rejection in low-jitter PLL clock generators Assess power-supply noise rejection in low-jitter PLL clock generators |
| 2009-08-12 | Spare op amp generates its own regulated negative supply Spare op amp generates its own regulated negative supply |
| 2009-08-11 | Power supply monitor is PMBus-compliant Power supply monitor is PMBus-compliant |
| 2009-08-11 | Ceramic capacitors target primary circuits Murata Manufacturing Co. Ltd has enhanced the capacitance and reduced the cost of its GB series of monolithic ceramic capacitors for power supply primary circuits. |
| 2009-08-10 | Li-ion, Li-pol charger using MC9S08QD4 With the growing number of battery-powered appliances, Li-ion and Li-pol batteries are becoming frequently used. They are suited to power supply requirements of microcontrollers being used. |
| 2009-08-07 | SB LiMotive Li-ion batteries power BMW car SB LiMotive Li-ion batteries power BMW car |
| 2009-08-05 | Consider SEPIC topology for a bias supply Consider SEPIC topology for a bias supply |
| 2009-07-30 | Dual power supply tailored for AMOLEDs Dual power supply tailored for AMOLEDs |
| 2009-07-28 | ...Smallest' power supplies offer screw options ...Smallest' power supplies offer screw options |
| 2009-07-27 | How to deal with power-supply pumping How to deal with power-supply pumping |
| 2009-07-31 | Characterising power-supply noise rejection in PLL clock synthesisers Characterising power-supply noise rejection in PLL clock synthesisers |
| 2009-07-24 | IEC compliant active-energy meter design using the MCP3905A/06A The MCP3905A/06A energy-metering ICs supply active real power measurements for single-phase residential meter designs. |
| 2009-07-30 | Applying SG6858 to control a flyback power supply Applying SG6858 to control a flyback power supply |
| 2009-07-24 | COG modules with NXP monochrome LCD drivers Learn how to design the optimal ITO layout on the input side of the LCD driver IC. |
| 2009-07-21 | Adapter packs over-voltage, short-circuit protection Phihong has introduced the PSA24A-120(P), a 24W, two-wire, universal input wall-mount adapter available in a single 12V output and boasts ENERGY STAR Level V performance markings. |
Most Popular Articles
Search EE Times India
Max's Cool Beans
Strange modes of transport and other "stuff"
Someone just pointed me at a YouTube video that claims to show the world's first e-powered multicopter flight...
