battery

Maxim Power for Single-Dual Cell Battery Driven Apps

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This collection of circuits provides step-up voltage regulation for single cell and dual cell Alkaline, NiMH, and Li+ battery driven applications. Regulate your battery driven app with an efficient converter from Maxim. Your battery-powered application needs regulation. This collection of circuits provides step-up voltage regulation for single- and dual-cell Alkaline, NiMH, and Li+ battery-driven applications. …

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Simple battery-status indicator uses two LEDs

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Properly maintained rechargeable batteries can provide good service and long life. Maintenance involves regular monitoring of battery voltage. The circuit in Figure 1 works in most rechargeable batteries. It comprises a reference LED, LEDREF, which operates at a constant current of 1 mA and provides reference light of constant intensity regardless of battery voltage. It …

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Monolithic 4A High Voltage 1 Cell Li-Ion Battery Charger

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Features Wide Input Voltage Range: Up to 32V (40V Absolute Maximum) Programmable Charge Current Up to 4A Selectable C/10 or Onboard Timer Termination Dynamic Charge Rate Programming/Soft-Start Programmable Input Current Limit 0.5% Float Voltage Accuracy 7.5% Charge Current Accuracy 4% C/10 Detection Accuracy NTC Resistor Temperature Monitor Auto-Recharge at 97.5% Float Voltage Auto-Precondition <70% Float …

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Buck-Boost Converters Help Extend Battery Life for Motion Detection

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Contributed by Publitek European Editors 4/9/2013 Many security and motion detector systems rely on small, semi-autonomous nodes that are easy and simple to install. This implies the use of a battery-based power source and low-power operation in order to minimize the number of battery changes during the lifetime of the product. Over its lifetime, the …

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EERAM MEMORY SOLUTIONS REDUCE MEMORY COSTS AND RETAIN DATA AT POWER LOSS

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Microchip announces a new family of Serial Peripheral Interface (SPI) EERAM memory products that offers system designers up to 25 percent cost savings over the current serial Non-Volatile RAM (NVRAM) alternatives. The family introduces four reliable SPI densities to Microchip’s EERAM portfolio, ranging from 64 Kb up to 1 Mb. High-density SPI EERAMs up to 1 Mb …

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