Datasheet Texas Instruments BQ40Z50

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bq40z50
SLUSBS8A – DECEMBER 2013 – REVISED DECEMBER 2014 bq40z50 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager
1 Features 3 Description The bq40z50 device, incorporating patented
Impedance Trackв„ў technology, is a fully integrated,
single-chip, pack-based solution that provides a rich
array of features for gas gauging, protection, and
authentication for 1-series, 2-series, 3-series, and 4series cell Li-Ion and Li-Polymer battery packs. 2 Applications PACKAGE BODY SIZE (NOM) bq40z50 VQFN (32) 4.00 mm Г— 4.00 mm (1) For all available packages, see the orderable addendum at
the end of the datasheet. Simplified Schematic VC4 DSG PACK BAT VCC PACK + CHG PART NUMBER PCHG Device Information(1) PTC Using its integrated high-performance analog
peripherals, the bq40z50 device measures and
maintains an accurate record of available capacity,
voltage, current, temperature, and other critical
parameters in Li-Ion or Li-Polymer batteries, and
reports this information to the system host controller
over an SMBus v1.1 compatible interface. FUSE LEDCNTLA LEDCNTLB LEDCNTLC
VC3
OUT VDD GND VC3 nd Fully Integrated 1-Series, 2-Series, 3-Series, and
4-Series Li-Ion or Li-Polymer Cell Battery Pack …