Datasheet Texas Instruments BQ2019

Manufacturer	Texas Instruments
Series	BQ2019

FLASH-Based Precision Multi-Chemistry Charge/Discharge Counter W/High-Speed 1-Wire I/F (HDQ)

Datasheets

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PDF, 1.2 Mb, Revision: E, File published: Feb 18, 2003

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Prices

Status

	BQ2019PW	BQ2019PWG4	BQ2019PWR	BQ2019PWRG4
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)
Manufacture's Sample Availability	No	No	No	No

Packaging

	BQ2019PW	BQ2019PWG4	BQ2019PWR	BQ2019PWRG4
N	1	2	3	4
Pin	8	8	8	8
Package Type	PW	PW	PW	PW
Industry STD Term	TSSOP	TSSOP	TSSOP	TSSOP
JEDEC Code	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G
Package QTY	100	100	2000	2000
Carrier	TUBE	TUBE	LARGE T&R	LARGE T&R
Device Marking	BQ219	BQ219	BQ219	BQ219
Width (mm)	4.4	4.4	4.4	4.4
Length (mm)	3	3	3	3
Thickness (mm)	1	1	1	1
Pitch (mm)	.65	.65	.65	.65
Max Height (mm)	1.2	1.2	1.2	1.2
Mechanical Data	Download	Download	Download	Download

Eco Plan

	BQ2019PW	BQ2019PWG4	BQ2019PWR	BQ2019PWRG4
RoHS	Compliant	Compliant	Compliant	Compliant

Application Notes

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HDQ Compatibility Between OMAP and BQ Products
PDF, 76 Kb, File published: Jun 17, 2004
TI OMAP? and battery management products are found in today's fast-paced developing market of handheld products that include cellular phones with integrated camera and video recorder features, PDAs with wireless capabilities, and advanced handheld gaming systems. In many of these systems, both OMAP and battery management products coexist. OMAP platforms have an HDQ engine that is used to communica
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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
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Advanced Gas Gauge Firmware Flowchart for TI Battery Monitor ICs
PDF, 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
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Advanced Gas Gauge Host Firmware for TI Battery Monitor ICs
PDF, 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
Download
HDQ Communication Basics for TI Battery Monitor ICs
PDF, 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: BQ2019 (4)

BQ2019PW BQ2019PWG4 BQ2019PWR BQ2019PWRG4

Manufacturer's Classification

Semiconductors> Power Management> Battery Management Products> Battery Fuel Gauge