com AT1457 Preliminary Product Information 1-Cell Lithium-Ion And Lithium-Polymer Charge Management IC Features • Ideal for Single-Cell (4.
1 V or 4.
2 V) and Li-Ion or Li-Pol Packs • Better Than ±1% Voltage Regulation Accuracy With Preset Voltages • Optional Cell-Temperature Monitoring Before and During Charge • Integrated Voltage and Current Regulation With Programmable Charge-Current and High or Low-Side Current Sensing • Charge Status Output for Single or Dual Led or Host Processor Interface • Automatic Battery-Recharge Feature • Charge Termination by Minimum Current • Automatic Low-Power Sleep Mode When VCC is Removed •Requires Small Number of External Components • Packa...

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