Datasheet Texas Instruments BQ2954SN

ManufacturerTexas Instruments
SeriesBQ2954
Part NumberBQ2954SN
Datasheet Texas Instruments BQ2954SN

Switch-mode Li-Ion Charge Controller 16-SOIC 0 to 70

Datasheets

Lithium Ion Charge Management IC with Integrated Switching Controller datasheet
PDF, 733 Kb, File published: Sep 5, 1999
Extract from the document

Prices

Status

Lifecycle StatusActive (Recommended for new designs)
Manufacture's Sample AvailabilityYes

Packaging

Pin1616
Package TypeDD
Industry STD TermSOICSOIC
JEDEC CodeR-PDSO-GR-PDSO-G
Package QTY4040
CarrierTUBETUBE
Device Marking-A32954
Width (mm)3.913.91
Length (mm)9.99.9
Thickness (mm)1.581.58
Pitch (mm)1.271.27
Max Height (mm)1.751.75
Mechanical DataDownloadDownload

Parametrics

Absolute Vin (safety rating)(Max)(7 V
Battery Charge Voltage(Max)20 V
Cell ChemistryLi-Ion/Li-Polymer
Charge Current(Max)2 A
Control InterfaceStandalone (RC-Settable)
Control TopologySwitch-Mode Buck
Number of Series Cells1,2,3,4
Operating Vin(Max)5.5 V
Operating Vin(Min)4.5 V
Package GroupSOIC
Package Size: mm2:W x L16SOIC: 59 mm2: 6 x 9.9(SOIC) PKG
Special FeaturesTemp Monitoring (Thermistor Pin)
USB FeatureN/A

Eco Plan

RoHSCompliant

Application Notes

  • Designed to Go: 20W Miniature Dual-Stage Fast Lithium-Ion Charger Using bq2954
    PDF, 169 Kb, File published: Sep 5, 1999
    20W Miniature Dual-Stage Fast Lithium-Ion Charger Using bq2954
  • Using the bq2954
    PDF, 184 Kb, File published: Jan 2, 2008
  • Battery Charger Termination Issues With System Load Applied Across Battery (Rev. A)
    PDF, 151 Kb, Revision: A, File published: Oct 2, 2006
    Battery Charger Termination Issues With System Load Applied Across Battery While Charging

Model Line

Manufacturer's Classification

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