Datasheet Texas Instruments BQ2031

ManufacturerTexas Instruments
SeriesBQ2031
Datasheet Texas Instruments BQ2031

Switch-mode Lead-Acid Battery Charger with User-Selectable Charge Algorithms

Datasheets

Lead-Acid Fast-Charge IC datasheet
PDF, 364 Kb, File published: Sep 5, 1999
Extract from the document

Prices

Status

BQ2031PN-A5BQ2031PN-A5E4BQ2031SN-A5BQ2031SN-A5G4BQ2031SN-A5TRBQ2031SN-A5TRG4
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 AvailabilityYesYesNoYesNoYes

Packaging

BQ2031PN-A5BQ2031PN-A5E4BQ2031SN-A5BQ2031SN-A5G4BQ2031SN-A5TRBQ2031SN-A5TRG4
N123456
Pin161616161616
Package TypeNNDDDD
Industry STD TermPDIPPDIPSOICSOICSOICSOIC
JEDEC CodeR-PDIP-TR-PDIP-TR-PDSO-GR-PDSO-GR-PDSO-GR-PDSO-G
Package QTY2525404025002500
CarrierTUBETUBETUBETUBELARGE T&RLARGE T&R
Device Marking2031PN-A52031PN-A5-A5-A5-A5-A5
Width (mm)6.356.353.913.913.913.91
Length (mm)19.319.39.99.99.99.9
Thickness (mm)3.93.91.581.581.581.58
Pitch (mm)2.542.541.271.271.271.27
Max Height (mm)5.085.081.751.751.751.75
Mechanical DataDownloadDownloadDownloadDownloadDownloadDownload

Parametrics

Parameters / ModelsBQ2031PN-A5
BQ2031PN-A5
BQ2031PN-A5E4
BQ2031PN-A5E4
BQ2031SN-A5
BQ2031SN-A5
BQ2031SN-A5G4
BQ2031SN-A5G4
BQ2031SN-A5TR
BQ2031SN-A5TR
BQ2031SN-A5TRG4
BQ2031SN-A5TRG4
Absolute Vin (safety rating)(Max)(, V777777
Battery Charge Voltage(Max), V202020202020
Cell ChemistryLead AcidLead AcidLead AcidLead AcidLead AcidLead Acid
Charge Current(Max), A222222
Control InterfaceStandalone (RC-Settable)Standalone (RC-Settable)Standalone (RC-Settable)Standalone (RC-Settable)Standalone (RC-Settable)Standalone (RC-Settable)
Control TopologySwitch-Mode BuckSwitch-Mode BuckSwitch-Mode BuckSwitch-Mode BuckSwitch-Mode BuckSwitch-Mode Buck
Number of Series Cells1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,161,2,3,4,5,6,7,8,9,10,11,12,13,14,15,161,2,3,4,5,6,7,8,9,10,11,12,13,14,15,161,2,3,4,5,6,7,8,9,10,11,12,13,14,15,161,2,3,4,5,6,7,8,9,10,11,12,13,14,15,161,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16
Operating Vin(Max), V5.55.55.55.55.55.5
Operating Vin(Min), V4.54.54.54.54.54.5
Package GroupPDIPPDIPSOICSOICSOICSOIC
Package Size: mm2:W x L, PKGSee datasheet (PDIP)See datasheet (PDIP)16SOIC: 59 mm2: 6 x 9.9(SOIC)16SOIC: 59 mm2: 6 x 9.9(SOIC)16SOIC: 59 mm2: 6 x 9.9(SOIC)16SOIC: 59 mm2: 6 x 9.9(SOIC)
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

BQ2031PN-A5BQ2031PN-A5E4BQ2031SN-A5BQ2031SN-A5G4BQ2031SN-A5TRBQ2031SN-A5TRG4
RoHSCompliantCompliantCompliantCompliantCompliantCompliant
Pb FreeYesYes

Application Notes

  • 4Q 2011 Issue Analog Applications Journal
    PDF, 943 Kb, File published: Nov 9, 2011
  • Simple MPPT based Lead acid charger using BQ2031 (Rev. A)
    PDF, 247 Kb, Revision: A, File published: Aug 8, 2017
    Thisapplicationreportis intendedfor usersdesigningan MPPT-basedleadacid batterychargerwith thebq2031batterycharger.Thisreportcontainsa designfor charginga 12-A-hrleadacidbatteryusingMPPT(maximumpowerpointtracking)for maximizingchargingefficiencyfor solarapplications.
  • U-511 Switch-Mode Power Conversion Using the bq2031
    PDF, 167 Kb, File published: Sep 5, 1999
    The bq2031 fast-charge IC has two primary functions: lead-acid battery charge control and switch-mode power conversion control. This application note explains how to configure the bq2031 in buck-mode switching power-supply topology. It also recommends a method for phase compensation of the voltage and current feedback loops. This note briefly describes the PWM control circuitry and phase-compensat
  • Solar charging solution provides narrow-voltage DC/DC system bus for multicell
    PDF, 129 Kb, File published: Nov 9, 2011
  • U-510 Using the bq2031 to Charge Lead-Acid Batteries
    PDF, 183 Kb, File published: Sep 5, 1999
    The bq2031 fast-charge IC has two primary functions: lead-acid battery charge control and switch-mode power conversion control. This application note discusses the operation of the bq2031 and describes a switch-mode buck regulator charger using the bq2031.

Model Line

Manufacturer's Classification

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