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MAX8600A Single-Input 1-Cell Li+ Charger with OVP Protection and Programmable Charge Timer
MAX8600A Single-Input 1-Cell Li+ Charger with OVP Protection and Programmable Charge Timer

... by adjusting the charge rate to accommodate the thermal characteristics of a given application. There is no need to reduce the maximum charge current to accommodate worst-case charger power dissipation. The MAX8600A is a variation of the MAX8600 with improved dropout and other spec changes. See Maxi ...
MAX551/MAX552 +3V/+5V, 12-Bit, Serial, Multiplying DACs in 10-Pin µMAX Package _______________General Description
MAX551/MAX552 +3V/+5V, 12-Bit, Serial, Multiplying DACs in 10-Pin µMAX Package _______________General Description

... The MAX551/MAX552 are 12-bit, current-output, 4-quadrant multiplying digital-to-analog converters (DACs). These devices are capable of providing unipolar or bipolar outputs when operating from either a single +5V (MAX551) or +3V (MAX552) power supply. An internal power-on-reset circuit clears all DA ...
CP2102/9 - Silicon Labs
CP2102/9 - Silicon Labs

www.BDTIC.com/TI Using High-Speed CMOS and Advanced CMOS Logic in Systems With Multiple V
www.BDTIC.com/TI Using High-Speed CMOS and Advanced CMOS Logic in Systems With Multiple V

... This applies only to supplies that vary by more than 0.5 Vdc. Dynamic switching currents could cause transient voltage spiking on VCC lines such that a 0.5-V difference between supplies could easily exist. These transients do not cause a problem if they have a short duration (less than 20 ns). Parti ...
MAX8844Z/MAX8844Y 28V Dual Input Linear Li+ Battery Chargers with General Description
MAX8844Z/MAX8844Y 28V Dual Input Linear Li+ Battery Chargers with General Description

... The IC controls the charging sequence from the prequalification state through constant current fast-charge, top-off charge, and full-charge indication. Proprietary thermal-regulation circuitry limits the die temperature during fast-charging or when the IC is exposed to high ambient temperatures, all ...
Temperature Measurement and Control Glossary by OMEGA
Temperature Measurement and Control Glossary by OMEGA

... Calender-van Dusen Equation: An equation that defines the resistance-temperature value of any pure metal that takes the form of (RT = RO) (1 + AT + BT2) for values between the ice point (0°C) and the freezing point of antimony (630.7°C) and the form RT = RO [1 + AT + BT2 + C (T–100)T2] between the o ...
ONET4291PA 数据资料 dataSheet 下载
ONET4291PA 数据资料 dataSheet 下载

... This device provides a gain of about 43 dB, which ensures a fully differential output swing for input signals as low as 5 mVp-p. The ONET4291PA provides loss-of-signal detection with either digital or analog threshold adjust. The part is available in a small-footprint, 4-mm × 4-mm, 16-terminal QFN p ...
IU2214881491
IU2214881491

ZXLD1360 Description Pin Assignments Features Typical
ZXLD1360 Description Pin Assignments Features Typical

LTC6104 - High Voltage, High Side, Bi-Directional Current Sense Amplifier
LTC6104 - High Voltage, High Side, Bi-Directional Current Sense Amplifier

... Once the maximum RSENSE value is determined, the minimum sense resistor value will be set by the resolution or dynamic range required. The minimum signal that can be accurately represented by this sense amp is limited by the input offset. As an example, the LTC6104 has a typical input offset of ±85µ ...
OPA137 OPA2137 OPA4137 LOW COST
OPA137 OPA2137 OPA4137 LOW COST

... size (SOT-23-5 and MSOP-8 packages), they provide low input bias current (5pA), low quiescent currrent (220µA/ channel), and high open-loop gain (94dB). Either single (+4.5V to +36V) or dual (±2.25 to ±18V) supplies can be used. The input common-mode voltage range includes the positive supply—suitab ...
RMSEMT
RMSEMT

OVERCURRENT RELAY WITH IDMT
OVERCURRENT RELAY WITH IDMT

... The Hokkim IDMT Earthfault & Overcurrent Relays have a setting for time delay tap instead of a setting for time delay interval. Models with adjustable time delay intervals will trip after the set delay irregardless of the magnitude of the fault or over current. For IDMT models, the delay time varies ...
Design of AC Filter for HVDC Transmission Project
Design of AC Filter for HVDC Transmission Project

... AC filter design is a complex subject which is related to the system impedance scanning, DC reactive power control, inverter harmonics calculation, the filter parameter tuning and setting selection. Its purpose is not only to consider the safety, technical and economic factors, to allocate reasonabl ...
LTC3406-1.2 - 1.5MHz, 600mA Synchronous
LTC3406-1.2 - 1.5MHz, 600mA Synchronous

... OVDET guards against transient overshoots >6.25% by ...
LIGHTNING IMPULSE TESTS ON AIR
LIGHTNING IMPULSE TESTS ON AIR

... voltage is a phenomenon where the quantity of an electrical force is required to transform the electrical properties of an object. Many factors that lead to the breakdown voltage are still not fully discovered. These factors are including the physical parameters of the electrodes (sphere, plane, poi ...
A Comprehensive Review on Power Flow Controller Devices in
A Comprehensive Review on Power Flow Controller Devices in

i STEP-DOWN SWITCHING REGULATOR LIGHT
i STEP-DOWN SWITCHING REGULATOR LIGHT

... continuously to drive a square wave at switch-node Va oscillating at the switching frequency (usually greater than 200KHz). At light-loads, however, discontinuous and burst modes are often employed to maintain high efficiency. In discontinuous mode, the off-time FET is disabled when L1 is out of ene ...
Analog Design for Production
Analog Design for Production

... Zin = Infinite, Iin = 0 where Iin is the input current Vp = Vn because of infinite Ad, Vo may be non-zero under this condition • Iout = Infinite (Often a false assumption) These basic assumptions allow simple circuit analysis to determine Nominal gain applications ...
LTC6908-1/LTC6908-2 - Resistor Set SOT-23
LTC6908-1/LTC6908-2 - Resistor Set SOT-23

... locks together the (V+ – VSET) voltage and the current ISET. This allows the parts to attain excellent frequency accuracy regardless of the precision of the SET pin voltage. The master oscillation frequency is: ...
about the challenges for charging techniques with lead
about the challenges for charging techniques with lead

... increases in alternator performance have not kept pace with the increase in vehicle energy requirements [Wa05]. Therefore apart from the cold start capabilities current starter batteries should also possess high cycle stability and due to the limited charging times by the alternator a very good char ...
R s
R s

... Oxford University Publishing common-emitter amplifier). Microelectronic Circuits by output Adel S. Sedra and(called Kenneth C. Smitha ...
Wind Energy Systems for Electric Power - Van
Wind Energy Systems for Electric Power - Van

a new principle of digital fractional frequency synthesizer
a new principle of digital fractional frequency synthesizer

... A new design technique of the frequency synthesizer has been presented in this paper. The presented digital frequency synthesizer was patented in the Czech Republic. Schemes for direct and indirect synthesizers were shown and basic equations and block diagram were also described. The digital freque ...
MAX5174/MAX5176 General Description Features
MAX5174/MAX5176 General Description Features

... +3V supply. Both devices draw only 280µA of supply current, which reduces to 1µA in shutdown. In addition, the programmable power-up reset feature allows for a user-selectable output voltage state of either 0 or midscale. The 3-wire, digital, serial interface is compatible with SPI™/QSPI™, and MICRO ...
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Islanding

Islanding refers to the condition in which a distributed generator (DG) continues to power a location even though electrical grid power from the electric utility is no longer present. Islanding can be dangerous to utility workers, who may not realize that a circuit is still powered, and it may prevent automatic re-connection of devices. For that reason, distributed generators must detect islanding and immediately stop producing power; this is referred to as anti-islanding.The common example of islanding is a grid supply line that has solar panels attached to it. In the case of a blackout, the solar panels will continue to deliver power as long as irradiance is sufficient. In this case, the supply line becomes an ""island"" with power surrounded by a ""sea"" of unpowered lines. For this reason, solar inverters that are designed to supply power to the grid are generally required to have some sort of automatic anti-islanding circuitry in them.In intentional islanding, the generator disconnects from the grid, and forces the distributed generator to power the local circuit. This is often used as a power backup system for buildings that normally sell their excess power to the grid.
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