BQ25895_16 Datasheet, PDF (2/67 Pages) Texas Instruments – Adjustable Voltage 3.1-A Boost Operation

bq25895
SLUSC88A – MARCH 2015 – REVISED MAY 2016
4 Revision History
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Changes from Original (March 2015) to Revision A
Page
• Added Pin Configuration and Functions section, ESD Rating table, Feature Description section, Device Functional
Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device
and Documentation Support section, and Mechanical, Packaging, and Orderable Information section. .............................. 1
5 Description (cont.)
The device supports a wide range of input sources, including standard USB host port, USB charging port, and
USB compliant adjustable high voltage adapter. To support fast charging using adjustable high voltage adapter,
the bq25895 provides support MaxCharge^TM using D+/D– pins and DSEL pin for USB switch control. In addition,
the device includes interface to support adjustable high voltage adapter using input current pulse protocol. To set
the default input current limit, device uses the built-in USB interface. The device is compliant with USB 2.0 and
USB 3.0 power spec with input current and voltage regulation. In addition, the Input Current Optimizer (ICO)
supports the detection of maximum power point detection of the input source without overload. The device
supports battery boost operation by supplying adjustable 4.5V-5.5V on PMID pin with up to 3.1A with integrated
charge and boost mode detection
2
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