Microchip Technology Inc. announces the MCP73833 and MCP73834 (MCP73833/4) single-cell, high current (1 A), Li-Ion/Li-Polymer linear charge-management controllers. These fully integrated charge-management controllers combine several key, standard charge-management and safety features in a single chip for reliable charging of high-capacity Li-Ion and Li-Polymer batteries. Available in small MSOP and thermally efficient 3 mm × 3 mm DFN packages, the MCP73833/4 chargers enable smarter, faster and safer battery — charger designs. Because they combine a pass transistor, current-sense and reverse-discharge protection on a single chip, the MCP73833/4 charge-management controllers eliminate the need for external components and enable smaller, more integrated charging solutions. Multiple combinations of key charging parameters, including pre-conditioning current threshold and ratio, charge-termination threshold and recharge threshold ratio are available, meaning the devices provide standard product support for a variety of high-current Li-Ion/Li-Polymer battery charger applications. Additionally, with high charging currents of up to 1A and support for multiple regulated output voltages (4.2 V, 4.35 V, 4.4 V and 4.5 V), the devices can be used with early generation batteries where output voltages are lower, as well as newer batteries where output voltages are higher.
Microchip Technology Inc.
2355 W. Chandler Blvd.
Chandler, AZ, 85224
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