bq2057 Datasheet (Texas Instruments) - Linear Charge Management

bq2057, Linear Charge Management

The BENCHMARQ bq2057 series advanced Lithium-Ion (Li-Ion) and Lithium-Polymer (Li-Pol) linear charge-management ICs are designed for costsensitive and compact portable electronics.

They combine high-accuracy current and voltage regulation, battery conditioning, temperature monitoring, charge termina

bq2057 Features

* D Ideal for Single (4.1 V or 4.2 V) and Dual-Cell (8.2 V or 8.4 V) Li-Ion or Li-Pol Packs D Requires Small Number of External Components D 0.3 V Dropout Voltage for Minimizing Heat Dissipation D Better Than ±1% Voltage Regulation Accuracy With Preset Voltages D AutoCompt Dynamic Compensation of Batt