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Barracuda PDA Maintenance
1.4.2 Battery Charger: Benchmarq BQ2057
Features
_ Ideal for single- and dual-cell Li-Ion packs with coke or graphite anodes
_ 0.3V dropout voltage
_ Auto Comp™ dynamic compensation of battery pack's internal impedance
_ Optional temperature-monitoring before and during charge
_ Integrated voltage and current regulation with programmable charge-current and high- or low-side current sensing
_ Integrated cell conditioning for reviving deeply discharged cells and minimizing heat dissipation during initial
stage of charge
_ Better than 1% voltage regulation accuracy
_ Charge status output for LED or host processor interface
_ Automatic battery-recharge feature
_ Charge termination by minimum current
_ Low-power sleep mode
_ Packaging: 8-pin SOIC, 8-pinTSSOP
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