Datasheet Texas Instruments BQ2031
| Manufacturer | Texas Instruments |
| Series | 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-A5 | BQ2031PN-A5E4 | BQ2031SN-A5 | BQ2031SN-A5G4 | BQ2031SN-A5TR | BQ2031SN-A5TRG4 | |
|---|---|---|---|---|---|---|
| Lifecycle Status | 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) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | Yes | No | Yes | No | Yes |
Packaging
| BQ2031PN-A5 | BQ2031PN-A5E4 | BQ2031SN-A5 | BQ2031SN-A5G4 | BQ2031SN-A5TR | BQ2031SN-A5TRG4 | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Pin | 16 | 16 | 16 | 16 | 16 | 16 |
| Package Type | N | N | D | D | D | D |
| Industry STD Term | PDIP | PDIP | SOIC | SOIC | SOIC | SOIC |
| JEDEC Code | R-PDIP-T | R-PDIP-T | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Package QTY | 25 | 25 | 40 | 40 | 2500 | 2500 |
| Carrier | TUBE | TUBE | TUBE | TUBE | LARGE T&R | LARGE T&R |
| Device Marking | 2031PN-A5 | 2031PN-A5 | -A5 | -A5 | -A5 | -A5 |
| Width (mm) | 6.35 | 6.35 | 3.91 | 3.91 | 3.91 | 3.91 |
| Length (mm) | 19.3 | 19.3 | 9.9 | 9.9 | 9.9 | 9.9 |
| Thickness (mm) | 3.9 | 3.9 | 1.58 | 1.58 | 1.58 | 1.58 |
| Pitch (mm) | 2.54 | 2.54 | 1.27 | 1.27 | 1.27 | 1.27 |
| Max Height (mm) | 5.08 | 5.08 | 1.75 | 1.75 | 1.75 | 1.75 |
| Mechanical Data | Download | Download | Download | Download | Download | Download |
Parametrics
| Parameters / Models | BQ2031PN-A5 | BQ2031PN-A5E4 | BQ2031SN-A5 | BQ2031SN-A5G4 | BQ2031SN-A5TR | BQ2031SN-A5TRG4 |
|---|---|---|---|---|---|---|
| Absolute Vin (safety rating)(Max)(, V | 7 | 7 | 7 | 7 | 7 | 7 |
| Battery Charge Voltage(Max), V | 20 | 20 | 20 | 20 | 20 | 20 |
| Cell Chemistry | Lead Acid | Lead Acid | Lead Acid | Lead Acid | Lead Acid | Lead Acid |
| Charge Current(Max), A | 2 | 2 | 2 | 2 | 2 | 2 |
| Control Interface | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) |
| Control Topology | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck |
| Number of Series Cells | 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 | 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 | 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 | 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 | 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 | 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 |
| Operating Vin(Max), V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Operating Vin(Min), V | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Package Group | PDIP | PDIP | SOIC | SOIC | SOIC | SOIC |
| Package Size: mm2:W x L, PKG | See 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 Features | Temp Monitoring (Thermistor Pin) | Temp Monitoring (Thermistor Pin) | Temp Monitoring (Thermistor Pin) | Temp Monitoring (Thermistor Pin) | Temp Monitoring (Thermistor Pin) | Temp Monitoring (Thermistor Pin) |
| USB Feature | N/A | N/A | N/A | N/A | N/A | N/A |
Eco Plan
| BQ2031PN-A5 | BQ2031PN-A5E4 | BQ2031SN-A5 | BQ2031SN-A5G4 | BQ2031SN-A5TR | BQ2031SN-A5TRG4 | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
| Pb Free | Yes | Yes |
Application Notes
- 4Q 2011 Issue Analog Applications JournalPDF, 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 bq2031PDF, 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 multicellPDF, 129 Kb, File published: Nov 9, 2011
- U-510 Using the bq2031 to Charge Lead-Acid BatteriesPDF, 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
Series: BQ2031 (6)
Manufacturer's Classification
- Semiconductors> Power Management> Battery Management Products> Battery Charger IC
