See datasheet for actual packaging/pinout drawings

BQ24018EVM


BQ24018 (bqTINY) Evaluation Module

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Texas Instruments BQ24018EVM

The bqTINY™ series are highly integrated Li-Ion and Li-Pol linear charge-management devices targeted at space-limited portable applications. In a small package, the bqTINY series offer integrated PowerFET and current sensor, reverse blocking diode, high-accuracy current and voltage regulation, charge status, and charge termination.

The bqTINY charges the battery in three phases: conditioning, constant current, and constant voltage. Charge terminates on the basis of minimum current. An internal charge-timer provides backup safety for charge termination. The bqTINY automatically restarts the charge if the battery voltage falls below an internal threshold and automatically enters sleep mode when VCC supply is removed.

The bq24018EVM provides a convenient method for evaluating the performance of a charge-management solution for portable applications using the bq24018 product family. A complete designed and tested charger is presented. The charger is designed to deliver up to 1 A of continuous charge current, but is programmed for 0.7 A, for single-cell Li-Ion or Li-Pol applications using a dc power supply.

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