BQ20Z655-R1 - 采用 LED/LCD 驱动特性和 Impedance Track? 技术符合 SBS 1.1 的电量监测计

BQ20Z655-R1是TI德州仪器公司的一款电池电量监测产品，BQ20Z655-R1是采用 LED/LCD 驱动特性和 Impedance Track? 技术符合 SBS 1.1 的电量监测计，本站介绍了BQ20Z655-R1的封装应用图解、特点和优点、功能等，并给出了与BQ20Z655-R1相关的TI元器件型号供参考。

BQ20Z655-R1 - 采用 LED/LCD 驱动特性和 Impedance Track? 技术符合 SBS 1.1 的电量监测计 - 电池电量监测 - 电池管理产品 - 德州仪器

产品特性

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 Smart Battery Specification SBS V1.1
Flexible Configuration for 2-Series 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, or 5 Segment Liquid Crystal Display and LED for Battery-Pack Conditions
Supports SHA-1 Authentication
Complete Battery Protection and Gas Gauge Solution in One Package

产品应用

Medical and Test Equipment
Portable Instrumentation and Industrial Equipment
Rechargeable Battery Packs

产品说明

The bq20z655-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 bq20z655-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 bq20z655-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 bq20z655-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.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
bq20z655-R1	DBT (44)	4.40 mm × 11.29 mm

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