DESCRIPTION

· The MCP7386X family offers advanced linear charge management controllers for space-limited, cost-sensitive applications.

· Combines high-accuracy voltage and current regulation, cell preconditioning, temperature monitoring, safety timers, and automatic charge termination.

· Available in 16-pin 4x4 QFN or 16-pin SOIC packages.

· MCP73861/3 for single-cell, MCP73862/4 for dual-cell Li-Ion/Li-Polymer battery packs.

FEATURES

· Integrated pass transistor and current sense.

· Reverse-blocking protection.

· High-accuracy preset voltage regulation (±0.5%).

· Selectable voltage options: 4.1V, 4.2V (MCP73861/3); 8.2V, 8.4V (MCP73862/4).

· Programmable charge current up to 1.2A.

· Programmable safety charge timers.

· Preconditioning for deeply depleted cells.

· Automatic end-of-charge control.

· Optional continuous cell temperature monitoring.

· Charge status and fault outputs for LED drive.

· Automatic power-down and thermal regulation.

· Operating temperature range: -40°C to +85°C.

APPLICATIONS

· Lithium-Ion/Lithium-Polymer battery chargers.

· Personal Data Assistants (PDAs).

· Cellular telephones.

· Hand-held instruments.

· Cradle chargers.

· Digital cameras.

· MP3 players.