AT1457 Overview
The AT1457 series Lithium-Ion (Li-Ion) and Lithium-Polymer (Li-Pol) linear charge ICs are designed for cost-sensitive and pact portable electronics. They bine high-accuracy current and voltage regulation, battery conditioning, temperature monitoring, charge termination, and charge-status indication in a single 8-pin IC. MSOP package options are offered to fit a wide range of end applications.
AT1457 Key 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 ponents
- Packaging: 8-Pin MSOP