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ETA9742 Datasheet PDF

ETA ETA9742

ETA9742 is a switching Li-Ion battery charger capable of delivering up to 3A of charging current to the battery and also capable of delivering up to 5V/2.4A in boost operation, with high efficiency in both charging mode and boost mode. It also includes a fuel gauge system for power indication. For charging, it uses a proprietary control scheme that eliminates the current sense resistor for conventional constant current control, maximizing efficiency, reducing charging time and reducing costs.
Part No. ETA9742
Datasheet ETA9742 Download
Manufacturer
ETA
Description 2.4A Boost and 3 LED-indicators
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ETA9742 datasheet page 1 preview

DESCRIPTION

It can also output a 5V voltage in the reversed direction by boosting from the battery. It only needs a single inductor to provide power bidirectionally with a proprietary automatic mode detect and switch scheme. ETA9742 is an ideal all-in-one solution for battery charging and discharge applications, such as power banks, smart phones, and tablets with only one USB port that can be used for charging battery function. ETA9742 is suitable for charging a 4.2V Li-ion battery. And ETA9742 is in ESOP8 package.

FEATURES

● Bi-Directional Power conversion with Single Inductor
● Automatic Mode Switching
● Switching Charger
● 5V Synchronous Boost
● Up to 96% Efficiency
● Up to 3A Max charging current and 2.4A discharging
● No-Battery detection
● No External Sense resistor
● LEDs for battery level indication and charge/discharge status indication

APPLICATIONS

● Tablet, MID
● Smart Phone
● Power Bank TYPICAL APPLICATION ORDERING INFORMATION PART No. ETA9742E8A PACKAGE ESOP8 TOP MARK ETA9...
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