bq2005 Fast-Charge IC for DualBattery Packs Features ∗ Sequential fast charge and con d-i tioning of two NiCd or NiMH nickel cadmium or nickel-metal hydride bat tery packs ∗ Hysteretic PWM switch-mode cur rent regulation or gated control of anexternalregulator ∗ Easily integrated into systems or used as a stand-alone charger ∗ Pre-charge qual i fi ca tion of tem per ature and volt age ∗ Direct LED outputs dis play bat tery and charge sta tus ∗ Fast-chargeterminationby ∆ temperature/∆ time, -∆V, max i mum volt age, max i mum tem per a ture, and max i mum time ∗ Optional top-off and pulse-trickle charging General Description The bq2005 Fast-Charge IC provides comprehensive fast charge contr...

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