Battery Management

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Function	Battery Chemistry	Number of Cells	Fault Protection	Interface	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package

BQ40Z50RSMR-R2 IC BATT MFUNC LI-ION 1-4C 32VQFN Texas Instruments	5,533 In Stock	1 : ¥34.94000 Cut Tape (CT) 3,000 : ¥17.53594 Tape & Reel (TR)	Impedance Track™	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Multi-Function Controller	Lithium Ion/Polymer	1 ~ 4	Over Current, Over Temperature, Over/Under Voltage, Short Circuit	SMBus	-40°C ~ 85°C (TA)	Surface Mount	32-VFQFN Exposed Pad	32-VQFN (4x4)
BQ40Z50RSMR-R1 IC BATT MFUNC LI-ION 1-4C 32VQFN Texas Instruments	10,924 In Stock	1 : ¥50.24000 Cut Tape (CT) 3,000 : ¥25.21707 Tape & Reel (TR)	Impedance Track™	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Not For New Designs	Multi-Function Controller	Lithium Ion/Polymer	1 ~ 4	Over Current, Over Temperature, Over/Under Voltage, Short Circuit	SMBus	-40°C ~ 85°C (TA)	Surface Mount	32-VFQFN Exposed Pad	32-VQFN (4x4)

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Battery Management

Products in the Battery Management PMIC (Power Management Integrated Circuit) family are used for battery-related monitoring and control functions including authentication, cell balancing, condition monitoring, fuel gauging, source selection, short circuit protection, over- and under-voltage protection, and others. Note that while some products in this family may include a battery charging function among their features, products implementing a charging function as a principle feature are classified separately.