Datasheet LTC4070EDDB - Linear Technology IC, BATTERY CHARGER, 50 mA, DFN-8 — Ficha de datos

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Manufacturer: Linear Technology

Description: IC, BATTERY CHARGER, 50 mA, DFN-8

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LTC4070 Li-Ion/Polymer Shunt Battery Charger System FEATURES
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DESCRIPTION
The LTC®4070 allows simple charging of Li-Ion/Polymer batteries from very low current, intermittent or continuous charging sources.

The 450nA to 50mA operating current makes charging possible from previously unusable sources. With the addition of an external pass device, shunt current may be boosted to 500mA. Stacked cell high voltage battery packs are inherently balanced with shunt charging. With its low operating current, the LTC4070 is well suited to charge thin film batteries in energy harvesting applications where charging sources may be intermittent or very low power. The unique architecture of the LTC4070 allows for an extremely simple battery charger solution; requiring just one external resistor. The LTC4070 offers a pin selectable float voltage with 1% accuracy across the full range of operating temperature and shunt current. The integrated thermal battery qualifier extends battery lif

Specifications:

• Battery Charge Voltage: 4.2 V
• Battery IC Case Style: DFN
• Battery Type: Li-Ion, Li-Polymer
• Charge Current Max: 50 mA
• Number of Pins: 8
• Number of Series Cells: 1
• Operating Temperature Range: -40°C to +85°C

RoHS: Yes

Accessories:

• Linear Technology - LTC3588EDD-1#PBF.
• Linear Technology - LTC3588EMSE-1#PBF.
• Linear Technology - LTC3588IMSE-1#PBF.