Datasheet Texas Instruments BQ2018
Manufacturer | Texas Instruments |
Series | BQ2018 |
Multi-Chemistry Charge/Discharge Counter W/ High-Speed 1-Wire I/F (HDQ)
Datasheets
Prices
Status
BQ2018SN-E1 | BQ2018SN-E1TR | BQ2018TS-E1 | BQ2018TS-E1TR | BQ2018TS-E1TRG4 | |
---|---|---|---|---|---|
Lifecycle Status | NRND (Not recommended for new designs) | NRND (Not recommended for new designs) | NRND (Not recommended for new designs) | NRND (Not recommended for new designs) | NRND (Not recommended for new designs) |
Manufacture's Sample Availability | No | No | No | No | No |
Packaging
BQ2018SN-E1 | BQ2018SN-E1TR | BQ2018TS-E1 | BQ2018TS-E1TR | BQ2018TS-E1TRG4 | |
---|---|---|---|---|---|
N | 1 | 2 | 3 | 4 | 5 |
Pin | 8 | 8 | 8 | 8 | 8 |
Package Type | D | D | PW | PW | PW |
Industry STD Term | SOIC | SOIC | TSSOP | TSSOP | TSSOP |
JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G |
Package QTY | 75 | 2500 | 150 | 2000 | 2000 |
Carrier | TUBE | LARGE T&R | TUBE | LARGE T&R | LARGE T&R |
Device Marking | 2018 | 2018 | BQ218 | BQ218 | BQ218 |
Width (mm) | 3.91 | 3.91 | 4.4 | 4.4 | 4.4 |
Length (mm) | 4.9 | 4.9 | 3 | 3 | 3 |
Thickness (mm) | 1.58 | 1.58 | 1 | 1 | 1 |
Pitch (mm) | 1.27 | 1.27 | .65 | .65 | .65 |
Max Height (mm) | 1.75 | 1.75 | 1.2 | 1.2 | 1.2 |
Mechanical Data | Download | Download | Download | Download | Download |
Eco Plan
BQ2018SN-E1 | BQ2018SN-E1TR | BQ2018TS-E1 | BQ2018TS-E1TR | BQ2018TS-E1TRG4 | |
---|---|---|---|---|---|
RoHS | Compliant | Compliant | Compliant | Compliant | Compliant |
Application Notes
- Designed to Go: Universal Battery Monitor Using the bq2018 Power Minder ICPDF, 553 Kb, File published: Sep 5, 1999
Universal Battery Monitor Using the bq2018 Power Minder IC - Advanced Gas Gauge Firmware Flowchart for TI Battery Monitor ICsPDF, 156 Kb, File published: Aug 28, 2002
TI advanced battery-monitoring ICs, such as the bq2018, bq2019, and bq2023, are designed to accurately measure the charge and discharge currents in rechargeable battery packs. Intended for pack integration, these devices contain all the necessary functions to form the basis of a comprehensive battery capacity management system in applications such as cellular phones, PDAs, Internet appliances, or - Gas Gauging Basics Using TI Battery Monitor ICs (Rev. A)PDF, 252 Kb, Revision: A, File published: Oct 17, 2003
To solve the challenges of precise capacity tracking and monitoring, Texas Instruments has developed a family of accurate battery monitor devices. These devices use the coulomb counting method in order to provide the user with accurate and reliable information about the battery?s state of charge. The purpose of this report is to provide the basics of building an accurate gas-gauging feature using - Advanced Gas Gauge Host Firmware for TI Battery Monitor ICsPDF, 150 Kb, File published: May 16, 2001
TI advanced battery monitoring ICs, such as the bq2018, bq2019 and bq2023, are designed to accurately measure the charge and discharge currents in rechargeable battery packs. Intended for pack integration, these devices contain all the necessary functions to form the basis of a comprehensive battery capacity management system in applications such as cellular phones, PDA's, internet appliances, or - HDQ Communication Basics for TI Battery Monitor ICsPDF, 60 Kb, File published: May 16, 2001
Most battery monitor ICs from TI, including the bq2018 and bq2019, includes a single-wire HDQ serial data interface. Host controllers, configured for either polled or interrupt processing, use the interface to access various IC registers. The purpose of this application note is to cover most of the communication related topics for these devices.
Model Line
Series: BQ2018 (5)
Manufacturer's Classification
- Semiconductors> Power Management> Battery Management Products> Battery Fuel Gauge