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Renesas Electronics Corporation
Multi-Cell Li-Ion Battery Manager

Package Information

CAD Model:View CAD Model
Pkg. Type:TQFP
Pkg. Code:QBA
Lead Count (#):64
Pkg. Dimensions (mm):10.0 x 10.0 x 1.00
Pitch (mm):0.5

Environmental & Export Classifications

Moisture Sensitivity Level (MSL)3
Pb (Lead) FreeYes
ECCN (US)EAR99
HTS (US)8542.39.0090
RoHS (ISL94212INZ)Download

Product Attributes

Lead Count (#)64
Carrier TypeTray
Moisture Sensitivity Level (MSL)3
Pb (Lead) FreeYes
Pb Free CategoryPb-Free 100% Matte Tin Plate w/Anneal-e3
Temp. Range (°C)-40 to +85°C
Country of AssemblyMALAYSIA, TAIWAN
Country of Wafer FabricationTAIWAN
Absolute Cell Voltage Measurement Accuracy10mV Max (0°C to 50°C)
Cell Balancing FETsExternal (Built-in Drivers)
Cells Supported (#)6 - 12
Charge/Discharge FET ArrangementN/A
Charge/Discharge FET ControlNo
Charge/Discharge FET LocationN/A
Comm. InterfaceSPI and Proprietary Asynchronous
Daisy ChainYes
GPI+GPIOs (#)4
IS (mA)3.31
ImplementationPack
Integrated Charge/Discharge FET DriveNo
Integrated Current Sense/DetectionNone
Integrated Regulator Output/Reference Output3.3V / 2.5V
Integrated Temperature SenseYes
Internal ADC (bits)14
Length (mm)10
MOQ320
Pack Voltageup to 63V per Device
Pack Voltage (Op)6 - 60
Parametric CategoryBattery Protectors, Monitors & Balancers
Pitch (mm)0.5
Pkg. Dimensions (mm)10.0 x 10.0 x 1.00
Pkg. TypeTQFP
Price (USD)$7.78125
Qualification LevelStandard
SHDN ICC(typ) 7 µA
Series Cellsup to 12 Cells
Sleep/Reset Mode Current (µA)12
Stand Alone CapableNo
Thickness (mm)1
Width (mm)10

Description

The ISL94212A Li-ion battery manager IC supervises up to 12 series-connected cells. The part provides accurate monitoring, cell balancing, and extensive system diagnostics functions. Three cell balancing modes are provided: manual balancing mode, timed balancing mode, and auto balance mode. The auto balance mode terminates balancing functions when a charge transfer value has been met. The ISL94212A communicates with a host microcontroller via a serial peripheral interface (SPI) and with other ISL94212A devices using a robust, proprietary two-wire Daisy Chain system. The ISL94212A is offered in a 64 Ld TQFP package and is specified for an operational temperature range of -40°C to +85°C.