The MICROCHIP MCP73831/2 devices are advanced linear charge management controllers ideal for cost-sensitive, space-constrained applications. Available in compact DFN and SOT-23 packages, they minimize external components, making them perfect for portable devices. These controllers employ a constant-current/constant-voltage charge algorithm with selectable preconditioning and charge termination, accommodating various battery charging requirements. Thermal regulation optimizes charge cycle time while ensuring device reliability. Applications include lithium-ion/lithium-polymer battery chargers, personal data assistants, cellular telephones, digital cameras, and MP3 players.