The bq20z65-R1 SBS-compliant gas gauge and protection IC, incorporating patented Impedance Track™ technology, is a single IC solution designed for battery-pack or in-system installation. The bq20z65-R1 measures and maintains an accurate record of available charge in Li-ion or Li-polymer batteries using its integrated high-performance analog peripherals. The bq20z65-R1 monitors capacity change, battery impedance, open-circuit voltage, and other critical parameters of the battery pack which reports the information to the system host controller over a serial-communication bus. Together with the integrated analog front-end (AFE) short-circuit and overload protection, the bq20z65-R1 maximizes functionality and safety while minimizing external component count, cost, and size in smart battery circuits.

The implemented Impedance Track™ gas gauging technology continuously analyzes the battery impedance, resulting in superior gas-gauging accuracy. This enables remaining capacity to be calculated with discharge rate, temperature, and cell aging all accounted for during each stage of every cycle with high accuracy.

• Next Generation Patented Impedance Track Technology Accurately Measures Available Charge in Li-Ion and Li-Polymer Batteries
  • Better Than 1% Error Over the Lifetime of the Battery
• Supports the Smart Battery Specification SBS V1.1
• Flexible Configuration for 2 to 4 Series Li-Ion and Li-Polymer Cells
• Powerful 8-Bit RISC CPU With Ultralow Power Modes
• Full Array of Programmable Protection Features
  • Voltage, Current, and Temperature
• Satisfies JEITA Guidelines
• Added Flexibility to Handle More Complex Charging Profiles
• Lifetime Data Logging
• Drives 3, 4, and 5 Segment LED Display for Battery-Pack Conditions
• Supports SHA-1 Authentication
• Complete Battery Protection and Gas Gauge Solution in One Package
• Available in a 44-Pin TSSOP (DBT) package
• APPLICATIONS
  • Notebook PCs
  • Medical and Test Equipment
  • Portable Instrumentation

• Cell chemistry
• Li-Ion/Li-Polymer
• Number of series cells
• 2-4 Cells
• Communication interface
• SMBus
• Battery capacity (Min) (mAh)
• 800
• Battery capacity (Max) (mAh)
• 32000
• Implementation
• Pack
• External capacity indication
• LED
• Features
• Impedance Track? algorithm, SHA-1 Authentication
• Operating temperature range (C)
• -40 to 85
• Cell balancing
• Internal

BQ20Z65-R1的完整型号有：BQ20Z65DBT-R1、BQ20Z65DBTR-R1，以下是这些产品的关键参数及官网采购报价：

BQ20Z65DBT-R1，工作温度：-40 to 85，封装：TSSOP (DBT)-44，包装数量MPQ：40个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网BQ20Z65DBT-R1的批量USD价格：10.255（1000+）

BQ20Z65DBTR-R1，工作温度：-40 to 85，封装：TSSOP (DBT)-44，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网BQ20Z65DBTR-R1的批量USD价格：8.735（1000+）

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发件人： MKS Technology Inc

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