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GENERAL DESCRIPTION

The ADP5061 charger is fully compliant with USB 3.0 and the USB Battery Charging Specification 1.2 and enables charging via the mini USB VBUS pin from a wall charger, car charger, or USB host port.

The ADP5061 operates from a 4 V to 6.7 V input voltage range but is tolerant of voltages up to 20 V. The 20 V voltage tolerance alleviates the concerns about the USB bus spiking during disconnect or connect scenarios.

The ADP5061 features an internal FET between the linear charger output and the battery. This permits battery isolation and, hence, system powering under a dead battery or no battery scenario, which allows for immediate system function on connection to a USB power supply.

FEATURES

2.6 mm × 2 mm WLCSP package

Fully programmable via I2C

Flexible digital control inputs

Up to 2.1 A current from an ac charger in LDO mode

Operating input voltage from 4.0 V to 6.7 V

Tolerant input voltage from ?0.5 V to +20 V (USB VBUS)

Fully compatible with USB 3.0 and USB Battery Charging

Specification 1.2

Built-in current sensing and limiting

As low as 30 mΩ battery isolation FET between battery and

charger output

Thermal regulation prevents over heating

Compliant with JEITA 1 and JEITA 2 Li-Ion battery charging

temperature specifications

SYS_EN flag permits the system to be disabled until battery is at

minimum required level for guaranteed system start-up

APPLICATIONS

Digital still cameras

Digital video cameras

Single cell Li-Ion portable equipment

PDAs, audio, and GPS devices

Portable medical devices

Mobile phones