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Datasheet Texas Instruments BQ2057T

ManufacturerTexas Instruments
SeriesBQ2057T

Low Dropout Linear 2-cell Li-Ion Charge Controller with AutoCompTM, 8.2V

Datasheets

  • Download » Datasheet, PDF, 1.4 Mb, Revision: F, 07-25-2002
    Advanced Linear Charge Mgmt IC for Single/Two-Cell Lithium-Ion & Lithium-Polymer datasheet
    Docket ↓
     
       SLUS025F -MAY 2001 -REVISED JULY 2002         
            
    FEATURES
    D Ideal for Single (4.1 V or 4.2 V) and Dual-Cell
    D
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    D
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    D DESCRIPTION (8.2 V or 8.4 V) Li-Ion or Li-Pol Packs
    Requires Small Number of External
    Components
    0.3 V Dropout Voltage for Minimizing Heat
    Dissipation
    Better Than В±1% Voltage Regulation Accuracy ...

Prices

Family: BQ2057, BQ2057C, BQ2057T, BQ2057W

Status

BQ2057TSNBQ2057TSNG4BQ2057TTSBQ2057TTSG4BQ2057TTSTRBQ2057TTSTRG4
Lifecycle StatusActive (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityYesYesYesYesNoNo

Packaging

BQ2057TSNBQ2057TSNG4BQ2057TTSBQ2057TTSG4BQ2057TTSTRBQ2057TTSTRG4
Pin888888
Package TypeDDPWPWPWPW
Industry STD TermSOICSOICTSSOPTSSOPTSSOPTSSOP
JEDEC CodeR-PDSO-GR-PDSO-GR-PDSO-GR-PDSO-GR-PDSO-GR-PDSO-G
Package QTY757515015020002000
CarrierTUBETUBETUBETUBELARGE T&RLARGE T&R
Device Marking2057T2057T2057T2057T2057T2057T
Width (mm)3.913.914.44.44.44.4
Length (mm)4.94.93333
Thickness (mm)1.581.581111
Pitch (mm)1.271.27.65.65.65.65
Max Height (mm)1.751.751.21.21.21.2
Mechanical DataDownload »Download »Download »Download »Download »Download »

Parametrics

BQ2057TSNBQ2057TSNG4BQ2057TTSBQ2057TTSG4BQ2057TTSTRBQ2057TTSTRG4
BQ2057TSNBQ2057TSNG4BQ2057TTSBQ2057TTSG4BQ2057TTSTRBQ2057TTSTRG4
Absolute Vin (safety rating)(Max)(, V181818181818
Battery Charge Voltage(Max), V8.28.28.28.28.28.2
Battery Charge Voltage(Min), V8.28.28.28.28.28.2
Cell ChemistryLi-Ion/Li-PolymerLi-Ion/Li-PolymerLi-Ion/Li-PolymerLi-Ion/Li-PolymerLi-Ion/Li-PolymerLi-Ion/Li-Polymer
Charge Current(Max), A222222
Control InterfaceStandalone (RC-Settable)Standalone (RC-Settable)Standalone (RC-Settable)Standalone (RC-Settable)Standalone (RC-Settable)Standalone (RC-Settable)
Control TopologyLinearLinearLinearLinearLinearLinear
Number of Series Cells222222
Operating Vin(Max), V151515151515
Operating Vin(Min), V4.54.54.54.54.54.5
Package GroupSOICSOICTSSOPTSSOPTSSOPTSSOP
Package Size: mm2:W x L, PKG8SOIC: 29 mm2: 6 x 4.9(SOIC)8SOIC: 29 mm2: 6 x 4.9(SOIC)8TSSOP: 19 mm2: 6.4 x 3(TSSOP)8TSSOP: 19 mm2: 6.4 x 3(TSSOP)8TSSOP: 19 mm2: 6.4 x 3(TSSOP)8TSSOP: 19 mm2: 6.4 x 3(TSSOP)
Special FeaturesTemp Monitoring (Thermistor Pin)Temp Monitoring (Thermistor Pin)Temp Monitoring (Thermistor Pin)Temp Monitoring (Thermistor Pin)Temp Monitoring (Thermistor Pin)Temp Monitoring (Thermistor Pin)
USB FeatureN/AN/AN/AN/AN/AN/A

Eco Plan

BQ2057TSNBQ2057TSNG4BQ2057TTSBQ2057TTSG4BQ2057TTSTRBQ2057TTSTRG4
RoHSCompliantCompliantCompliantCompliantCompliantCompliant

Moldel Line

Series: BQ2057T (6)

Manufacturer's Classification

  • Semiconductors> Power Management> Battery Management Products> Battery Charger IC

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