BQ20Z70-V160 Status: ACTIVE

SBS 1.1-Compliant Gas Gauge Enabled with Impedance Track Technology for use with the bq29330

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Datasheet

SBS 1.1 Compliant Gas Gauge Enabled w/Impedance Track Tech for bq29330 (Rev. B) (PDF 338 KB)
17 Oct 2006
bq20z70 + bq29330 Chipset Technical Reference (Rev. A) (PDF 1337 KB) 1654 views
22 Jun 2006

	BQ20Z70-V160	BQ20Z75-V160	BQ20Z90-V150	BQ20Z95
Battery Capacity(Min)(mAh)	800	800	800	800
Battery Capacity(Max)(mAh)	15000	15000	15000	15000
Communication Interface	SMBus	SMBus	SMBus	SMBus
Capacity Indication			LED
# Series Cells	2,3,4	2,3,4	2,3,4	2,3,4
Pin/Package	20TSSOP	38TSSOP	30TSSOP	44TSSOP
Approx. Price (US$)	3.15 \| 1ku	4.20 \| 1ku	3.30 \| 1ku	4.60 \| 1ku
	Samples	Samples	Samples	Samples
	Inventory	Inventory	Inventory	Inventory

Customers Who Evaluated This Product Also Evaluated

BQ20Z95: SBS 1.1-Compliant Gas Gauge Enabled w/Impedance Track
BQ20Z40: SBS Compliant Gas Gauge with Impedance Track Technology for use with BQ29330
BQ78PL114: PowerLAN Gateway Battery Management Controller with PowerPump Cell Balancing
BQ77PL900: 5-10 cell Li-ion Battery protection & AFE
BQ29330: Two, Three and Four Cell Lithium or Lithium-Polymer Battery Protection AFE
UCC25600: 8-Pin High-Performance Resonant Mode Controller

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Product Information

Features

Next Generation Patented Impedance Track™ Technology accurately Measures Available Charge in Li-Ion and Li-Polymer Batteries
Better than 1% Error Over Lifetime of the Battery
Instant Accuracy – No Learning Cycle Required
Supports the Smart Battery Specification SBS V1.1
Powerful 8-Bit RISC CPU With Ultra-Low Power Modes
Works With the TI bq29330 Analog Front-End (AFE) Protection IC to Provide Complete Pack Electronics Solution
Full Array of Programmable Protection Features
- Voltage, Current and Temperature
Fully Integrated High Accurate Clock
Flexible Configuration for 2 to 4 Series Li-Ion and Li-Polymer Cells
Integrated Field Programmable FLASH Memory Eliminates the Need for External Configuration Memory
Smart Battery Charger Control Feature
Two 16-Bit Delta-Sigma Converter
- Accurate Voltage and Temperature Measurements
- Integrating Coloumb Counter for Charge Flow
  - Better Than 0.65 nVh of Resolution
  - Self-Calibrating
Supports SHA-1 Authentication
20-Pin TSSOP (PW)
APPLICATIONS

View All Features in Datasheet

Description

The bq20z70 SBS-compliant gas gauge IC, incorporating patented Impedance Track™ technology, is designed for battery-pack or in-system installation. The bq20z70 measures and maintains an accurate record of available charge in Li-ion or Li-polymer batteries using its integrated high-performance analog peripherals. The bq20z70 monitors capacity change, battery impedance, open-circuit voltage, and other critical parameters of the battery pack, and reports the information to the system host controller over a serial-communication bus. It is designed to work with the bq29330 analog front-end (AFE) protection IC to maximize functionality and safety, and minimize component count and cost in smart battery circuits.

The Impedance Track technology continuously analyzes the battery impedance, resulting in superior gas-gauging accuracy.

View All Description in Datasheet

Pricing / Packaging / CAD Design Tools / Samples

			Price	Packaging			Samples
Device	Status	Temp (^oC)	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Samples
BQ20Z70PW-V160	ACTIVE	-40 to 85	3.50 \| 1ku	TSSOP (PW) \| 20	View	70 \| TUBE
BQ20Z70PW-V160G4	ACTIVE	-40 to 85	3.50 \| 1ku	TSSOP (PW) \| 20	View	70 \| TUBE
BQ20Z70PWR-V160	ACTIVE	-40 to 85	3.15 \| 1ku	TSSOP (PW) \| 20	View	2000 \| LARGE T&R	Purchase Samples
BQ20Z70PWR-V160G4	ACTIVE	-40 to 85	3.15 \| 1ku	TSSOP (PW) \| 20	View	2000 \| LARGE T&R	Purchase Samples

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

Reported Distributor Inventory as of 12:15 PM GMT, 20 Nov 2009
Region	Company	In Stock	Purchase
TI Lead Time*: 20 WeeksBQ20Z70PW-V160
None Reported View Distributors
TI Lead Time*: 20 WeeksBQ20Z70PW-V160G4
None Reported View Distributors
TI Lead Time*: 20 WeeksBQ20Z70PWR-V160
Asia	WPI	365
TI Lead Time*: 20 WeeksBQ20Z70PWR-V160G4
None Reported View Distributors
View all Distributors

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

	Product Content				DPPM / MTBF / FIT Rate
Device	Eco Plan*	Lead / Ball Finish	MSL Rating / Peak Reflow	Details	Details
BQ20Z70PW-V160	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
BQ20Z70PW-V160G4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
BQ20Z70PWR-V160	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
BQ20Z70PWR-V160G4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Most useful technical documents for BQ20Z70-V160

Datasheet

SBS 1.1 Compliant Gas Gauge Enabled w/Impedance Track Tech for bq29330 (Rev. B) (PDF, 338 KB)
17 Oct 2006

Application Notes

How to Access the FAQ KnowledgeBase for Impedance Track Fuel (HTM, 8 KB) 736 views
09 May 2008 Read Abstract
2-Series-Cell Considerations for Advanced Fuel Gauges (HTM, 8 KB) 776 views
09 May 2008 Read Abstract
Information to Provide when Reporting Issues with TI Gauges (HTM, 8 KB) 444 views
18 Jul 2008 Read Abstract
bq20z70-v150 to bq20z70-v160 Change List (HTM, 8 KB) 216 views
25 Sep 2008 Read Abstract
bq20z70, bq20z75, bq20z90, and bq20z95 Voltage Current & Measurement Accuracy (HTM, 8 KB) 881 views
18 Mar 2008 Read Abstract
bq29330 External Short Circuit Protection (HTM, 8 KB) 1340 views
22 Aug 2007 Read Abstract
Cell-type Specific Settings for Cell Imbalance Permanent Failure Thresholds (HTM, 8 KB) 658 views
28 Sep 2007 Read Abstract
bq20z70 and bq20z90 Application Book (HTM, 8 KB) 3709 views
13 Dec 2006 Read Abstract
Configuring the bq20z70 Data Flash (HTM, 8 KB) 467 views
20 Dec 2006 Read Abstract
Design 2: Avoiding ESD and EMI Problems in bq20zxx Battery Pack Electronics (HTM, 8 KB) 861 views
11 Nov 2005 Read Abstract
Thermistor Coefficient Calculator for TI Advanced Fuel Gauges (HTM, 8 KB) 1573 views
04 Oct 2006 Read Abstract
Evaluation 1: Impedance Track Gas Gauge for Novice – bq20z70/z90 (HTM, 8 KB) 621 views
09 Oct 2006 Read Abstract
Exploring the bq20z70/90 Impedance Track(TM) Evaluation Kit (HTM, 8 KB) 370 views
27 Nov 2006 Read Abstract
bq20z70/90 Gas Gauge Circuit Design (HTM, 8 KB) 775 views
23 Aug 2006 Read Abstract
bq20z70/90 Printed-Circuit Board Layout Guide (HTM, 8 KB) 575 views
02 Aug 2006 Read Abstract
Design 4: Support of Multiple Li-Ion Chemistries w/Impedance Track(TM) Gas Gauge (Rev. R) (HTM, 8 KB) 6713 views
15 Oct 2009 Read Abstract
Operating Fuel Gauge bq20z7x/8x/9x and SMBus-Like bq24745/47/65 Chargers (HTM, 9 KB) 287 views
06 Oct 2009 Read Abstract
Production 2: Data Flash Programing & Calibrating the bq20z70/90 (Rev. A) (HTM, 8 KB) 1371 views
19 Feb 2009 Read Abstract
Fast Cell Balancing Using External MOSFET (Rev. A) (HTM, 8 KB) 1958 views
26 Jan 2009 Read Abstract
Quick-Start Guide for bq20zxx Family Gas Gauges (Rev. A) (HTM, 8 KB) 3253 views
04 Sep 2007 Read Abstract
Evaluation 3: Theory/Implementation Impedance Track Battery Fuel-Gauging Algo (Rev. B) (HTM, 8 KB) 2769 views
20 Dec 2006 Read Abstract
Evaluation 7: Preparing Optimized Data Flash Constants (Rev. B) (HTM, 8 KB) 1398 views
04 Dec 2006 Read Abstract
Cell Balancing Using the bq20zxx (Rev. B) (HTM, 8 KB) 1777 views
09 Nov 2006 Read Abstract
Updating Firmware With the bq20zxx and EVM (Rev. B) (HTM, 8 KB) 1867 views
07 Nov 2006 Read Abstract
Pack Assembly and the bq20zxx (Rev. B) (HTM, 8 KB) 1301 views
07 Nov 2006 Read Abstract
bq20z80 EVM Data Flash Settings for Num of Serial Cells/Pack Cap (Rev. B) (HTM, 8 KB) 1505 views
06 Nov 2006 Read Abstract
Battery Pack Production Flow With bq20zXX (HTM, 8 KB) 997 views
02 Aug 2006 Read Abstract

View Application Notes for Battery Fuel Gauges

User Guides

bq20z70-V160 + bq29330, bq20z75 TRM (PDF, 1477 KB) 1102 views
23 May 2008

Errata

bq20z70 + bq29330 Chipset Technical Reference (Rev. A) (PDF, 1337 KB) 1654 views
22 Jun 2006

Tools & Software

Name	Part #	Company	Tool / Software Type
BQ20Z70EVM Evaluation Module for 2nd Generation Impedance Track(TM)	BQ20Z70EVM-001	Texas Instruments	Development Boards/EVMs
BQMTESTER Multi Channel Test and Program Board	BQMTESTER	Texas Instruments	Development Boards/EVMs
Single Channel Tester	BQTESTER	Texas Instruments	Development Boards/EVMs
Mathcad Chemistry Selection Tool (Rev. G)(ZIP 4778 KB ) 1076 views 15 Oct 2009
Chemistry Updater Setup 1.56 (Rev. O)(ZIP 5870 KB ) 3867 views 15 Oct 2009
bq20z70-V160 Chemistry Updater(ZIP 72 KB ) 152 views 09 Oct 2008

Part #	Name	Product Family	Comments
BQ20Z40	SBS Compliant Gas Gauge with Impedance Track Technology for use with BQ29330	BATTERY MANAGEMENT - BATTERY FUEL GAUGES	bq20z40 is pin compatible to bq20z70 with additional features of JEITA, IT 3rd gen, Lifetime data, 2 independent thermistors & cell based taper termination
Customers Who Evaluated This Product Also Evaluated...
BQ20Z95	SBS 1.1-Compliant Gas Gauge Enabled w/Impedance Track	BATTERY MANAGEMENT-BATTERY FUEL GAUGES	TI customers also evaluated this product.
BQ20Z40	SBS Compliant Gas Gauge with Impedance Track Technology for use with BQ29330	BATTERY MANAGEMENT-BATTERY FUEL GAUGES	TI customers also evaluated this product.
BQ78PL114	PowerLAN Gateway Battery Management Controller with PowerPump Cell Balancing	BATTERY MANAGEMENT-BATTERY FUEL GAUGES	TI customers also evaluated this product.
BQ20Z75-V160	SBS 1.1-Compliant Gas Gauge and Protection-Enabled IC with Impedance Track(TM)	BATTERY MANAGEMENT-BATTERY FUEL GAUGES	TI customers also evaluated this product.
BQ20Z90-V150	SBS v1.1 Compliant Gas Gauge for Use With the bq29330	BATTERY MANAGEMENT-BATTERY FUEL GAUGES	TI customers also evaluated this product.
BQ27541	Single Cell Li-Ion Battery Fuel Gauge for Battery Pack Integration	BATTERY MANAGEMENT-BATTERY FUEL GAUGES	TI customers also evaluated this product.
BQ20Z45	SBS 1.1 compliant Gas Gauge with Impedance Track Technology and Advanced Charging Algorithm	BATTERY MANAGEMENT-BATTERY FUEL GAUGES	TI customers also evaluated this product.
BQ20Z80A-V110	SBS 1.1 Compliant Gas Gauge Enabled with Impedance Track Technology for use with the bq29312A	BATTERY MANAGEMENT-BATTERY FUEL GAUGES	TI customers also evaluated this product.
BQ2060A	Multi-Chemistry SBS 1.1 Compliant Gas Gauge With 5 LED Drivers, Additional Battery Mgmt Control	BATTERY MANAGEMENT-BATTERY FUEL GAUGES	TI customers also evaluated this product.
BQ3060	SBS 1.1-Compliant Gas Gauge and Protector	BATTERY MANAGEMENT-BATTERY FUEL GAUGES	TI customers also evaluated this product.
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BQ20Z70-V160 Status: ACTIVE

SBS 1.1-Compliant Gas Gauge Enabled with Impedance Track Technology for use with the bq29330

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Datasheet

Customers Who Evaluated This Product Also Evaluated

Product Information

Features

Description

Pricing / Packaging / CAD Design Tools / Samples

Inventory

Quality & Lead (Pb)-Free Data

Technical Documents

Datasheet

Application Notes

User Guides

Errata

Tools & Software

Support and Community

Customer Tags

Other Support

BQ20Z70-V160 Status: ACTIVE

SBS 1.1-Compliant Gas Gauge Enabled with Impedance Track Technology for use with the bq29330

See Also

Most Popular Links

Datasheet

Customers Who Evaluated This Product Also Evaluated

Product Information

Features

Description

Pricing / Packaging / CAD Design Tools / Samples

Inventory

Quality & Lead (Pb)-Free Data

Technical Documents

Datasheet

Application Notes

User Guides

Errata

Tools & Software

Related Products

Related End Equipments

Support and Community

Customer Tags

Other Support