BQ20Z90DBT - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

BQ20Z90DBT
Manufacturer

TI
ChipWorker Part#

CW61816455
Category

Battery Management IC
Package

TSSOP-30
Description

SBS 1.1 Compliant Gas Gauge Enabled w/Impedance Track Tech For bq29330 30-TSSOP -40℃ to 85℃
Documentation

Datasheet

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BQ20Z90DBT Specifications

Attribute	Attribute Value

Part Number	BQ20Z90DBT
Manufacturer	TI
ChipWorker Part#	CW61816455
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	30 Pin
Case/Package	TSSOP-30
Supply Voltage (DC)	2.40V (min)
Output Voltage	2.00 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	2.5 V
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Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Not Recommended for New Designs
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

DESCRIPTION
The bq20z90 SBS-compliant gas gauge IC, incorporating patented Impedance Track™ technology, is designed for battery-pack or in-system installation. The bq20z90 measures and maintains an accurate record of available charge in Li-ion or Li-polymer batteries using its integrated high-performance analog peripherals. The bq20z90 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.
FEATURES
• 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
• Automatically adjusts for battery aging, battery self discharge and temperature inefficiencies
• Supports the Smart Battery Specification SBS V1.1
• Works With the TI bq29330 Analog Front-End (AFE) Protection IC to Provide Complete Pack Electronics Solution
• Full Array of Programmable Voltage, Current, and Temperature Protection Features
• Integrated Time Base Removes Need for External Crystal with Optional Crystal Input
• Electronics for 7.2-V, 10.8-V or 14.4-V Battery Packs With 50% Fewer External Components
• Based on a Powerful Low-Power RISC CPU Core With High-Performance Peripherals
• Integrated Field Programmable FLASH Memory Eliminates the Need for External Configuration Memory
• Measures Charge Flow Using a High-Resolution, 16-Bit Integrating Delta-Sigma Converter
– Better Than 0.65 nVh of Resolution
– Self-Calibrating
• Uses 16-Bit Delta-Sigma Converter for Accurate Voltage and Temperature Measurements
• Extensive Data Reporting Options For Improved System Interaction
• Optional Pulse Charging Feature for Improved Charge Times
• Drives 3-, 4- or 5-Segment LED Display for Remaining Capacity Indication
• Supports SHA-1 Authentication
• Lifetime Data Logging
• 30-Pin TSSOP (DBT)
APPLICATIONS
• Notebook PCs
• Medical and Test Equipment
• Portable Instrumentation

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Ordering Information

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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
- Income quality control (IQC), 800+ qualified distributors.
- Authorities test the chip to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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