BQ27421-G1

ACTIVO

Indicador de combustible System-side(tm) resistencia sensora integrada | indicador de carga de gas

Se encuentra disponible una versión más nueva de este producto

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Misma funcionalidad con diferente configuración de pines que el dispositivo comparado
BQ27427 ACTIVO Indicador de combustible de batería de celda única con química preprogramada y resistencia de sensor Low power consumption, internal sense resistor and battery state-of-health (aging) estimates

Detalles del producto

Cell chemistry Li-Ion/Li-Polymer Number of series cells Single Cell Communication interface I2C Battery capacity (min) (mAh) 100 Battery capacity (max) (mAh) 8000 Implementation System External capacity indication None Features Impedance Track™ algorithm, Integrated Sense Resistor Operating temperature range (°C) -40 to 85 Rating Catalog
Cell chemistry Li-Ion/Li-Polymer Number of series cells Single Cell Communication interface I2C Battery capacity (min) (mAh) 100 Battery capacity (max) (mAh) 8000 Implementation System External capacity indication None Features Impedance Track™ algorithm, Integrated Sense Resistor Operating temperature range (°C) -40 to 85 Rating Catalog
DSBGA (YZF) 9 3.0625 mm² (— mm × — mm)
  • Single-Cell Li-Ion Battery Fuel Gauge
    • Resides on System Board
    • Supports Embedded or Removable Batteries
    • Powered Directly from Battery with Integrated
      LDO
    • Low-Value Integrated Sense Resistor
      (7 mΩ, Typical)
  • Easy-to-Configure Fuel Gauging Based on
    Patented Impedance Track™ Technology
    • Reports Remaining Capacity and State-of-
      Charge (SOC) with Smoothing Filter
    • Automatically Adjusts for Battery Aging, Self-
      Discharge, Temperature, and Rate Changes
    • Battery State-of-Health (Aging) Estimation
  • Microcontroller Peripheral Supports:
    • 400-kHz I2C Serial Interface
    • Configurable SOC Interrupt or
      Battery Low Digital Output Warning
    • Internal Temperature Sensor or
      Host-Reported Temperature
  • Single-Cell Li-Ion Battery Fuel Gauge
    • Resides on System Board
    • Supports Embedded or Removable Batteries
    • Powered Directly from Battery with Integrated
      LDO
    • Low-Value Integrated Sense Resistor
      (7 mΩ, Typical)
  • Easy-to-Configure Fuel Gauging Based on
    Patented Impedance Track™ Technology
    • Reports Remaining Capacity and State-of-
      Charge (SOC) with Smoothing Filter
    • Automatically Adjusts for Battery Aging, Self-
      Discharge, Temperature, and Rate Changes
    • Battery State-of-Health (Aging) Estimation
  • Microcontroller Peripheral Supports:
    • 400-kHz I2C Serial Interface
    • Configurable SOC Interrupt or
      Battery Low Digital Output Warning
    • Internal Temperature Sensor or
      Host-Reported Temperature

The Texas Instruments bq27421-G1 fuel gauge is a minimally configured microcontroller peripheral that provides system-side fuel gauging for single-cell Li-Ion batteries. The device requires very little user configuration and system microcontroller firmware development.

The bq27421-G1 fuel gauge uses the patented Impedance TrackTM algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge (%), and battery voltage (mV).

Battery fuel gauging with the bq27421-G1 fuel gauge requires connections only to PACK+ (P+) and PACK– (P–) for a removable battery pack or embedded battery circuit. The tiny 9-ball, 1.62 mm × 1.58 mm, 0.5-mm pitch NanoFree™ chip scale package (DSBGA) is ideal for space-constrained applications.

The Texas Instruments bq27421-G1 fuel gauge is a minimally configured microcontroller peripheral that provides system-side fuel gauging for single-cell Li-Ion batteries. The device requires very little user configuration and system microcontroller firmware development.

The bq27421-G1 fuel gauge uses the patented Impedance TrackTM algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge (%), and battery voltage (mV).

Battery fuel gauging with the bq27421-G1 fuel gauge requires connections only to PACK+ (P+) and PACK– (P–) for a removable battery pack or embedded battery circuit. The tiny 9-ball, 1.62 mm × 1.58 mm, 0.5-mm pitch NanoFree™ chip scale package (DSBGA) is ideal for space-constrained applications.

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos bq27421-G1 System-Side Impedance Track Fuel Gauge With Integrated Sense Resistor datasheet (Rev. E) PDF | HTML 6/01/2016
* Guía del usuario bq27421-G1 Technical Reference Manual (Rev. C) 15/08/2016
Artículo técnico Get smart: How intelligent battery gauges improve battery life in continuous gluco PDF | HTML 19/04/2019
Nota sobre la aplicación Achieving The Successful Learning Cycle PDF | HTML 19/06/2018
Nota sobre la aplicación Simple Guide to Chemical ID Selection Tool (GPC) (Rev. A) PDF | HTML 5/06/2018
Nota sobre la aplicación Gauge Communication 12/01/2017
Nota sobre la aplicación Theory and Implementation of Impedance Track Battery Fuel-Gauging Algorithm (Rev. A) PDF | HTML 16/05/2014
Más documentación Quickstart Guide for bq27421-G1 (Rev. B) 6/05/2014
Nota sobre la aplicación Verification and Accuracy Test Methods of Gas Gauges 5/06/2013
Nota sobre la aplicación Going to Production With the bq274xx Family of Gas Gauges 27/06/2011

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

BQ27421EVM-G1A — Placa del módulo de evaluación de BQ27421EVM-G1A del indicador de combustible (gas) de la batería de

System-Side Battery Fuel (Gas) Gauge Solution Evaluation Module

The BQ27421EVM-G1A evaluation module is a complete evaluation system for the bq27421. The EVM includes one bq27421 circuit module with an integrated current-sense resistor. A separated orderable EV2400 PC interface board for gas gauge (...)
Guía del usuario: PDF
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En inventario
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Placa de evaluación

BQ27421EVM-G1B — Módulo de evaluación de BQ27421EVM-G1B del indicador de combustible (gas) de la batería del lado del

System-Side Battery Fuel (Gas) Gauge Solution Evaluation Module

The BQ27421EVM-G1B evaluation module is a complete evaluation system for the bq27421. The EVM includes one bq27421 circuit module with an integrated current-sense resistor. A separated orderable EV2300 or EV2400 PC interface board for (...)
Guía del usuario: PDF
Productos y hardware compatibles
En inventario
Límite:
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No disponible
Adaptador de interfaz

EV2400 — Módulo de evaluación de placa de interfaz de PC basada en USB para indicador de combustible (gas) de

The EV2400 EVM interface board enables an IBM-compatible or other type PC (with the required driver for its particular platform) to communicate with the Texas Instruments SMBus or I2C interface gas gauges via a Universal Serial Bus (USB) port. In addition to this board, PC software is required to (...)

Guía del usuario: PDF
Productos y hardware compatibles
En inventario
Límite:
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No disponible
Software de aplicación y estructura

BQSTUDIO — Software Battery Management Studio (bqStudio)

Battery Management Studio (bqStudio) ofrece un conjunto completo de herramientas robustas para ayudar con el proceso de evaluación, diseño, configuración, prueba o utilización de productos de gestión de baterías de TI. Esto incluye funciones que (...)

Productos y hardware compatibles
Controlador o biblioteca

BQ27XXXSW-LINUX — Controlador Linux para BQ27XXX

The Linux driver supports the BQ27x series of Battery Fuel Gauges. The Linux driver supports communication through the I2C/HDQ bus and interfaces with the power supply sub-system to monitor battery properties.

 

Linux Mainline Status

Available in Linux Main line: Yes
Available through git.ti.com: N/A

(...)

Productos y hardware compatibles
Soporte de software

BQEVSW-MKST-UPDATE — Software Update to enable BQEVSW to use MKST-3P-ALT-EV2300

El kit de desarrollo de software (SDK) BQ-BATTERY-PROGRAMMER-SW es una colección de herramientas de línea de comandos de software robustas que ayudan con el proceso de programación, prueba o ensamblaje de paquetes que utilizan productos de administración de baterías de TI. Los ejecutables de este (...)

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Diseño de referencia

TIDA-00031 — Diseño de referencia del indicador de combustible Impedance Track del lado del sistema con resistor

This reference design is a complete evaluation system solution for the bq27421. The solution includes one bq27421 circuit module with an integrated current-sense resistor. A separated orderable EV2300 or EV2400 PC interface board for gas gauge interface along with a PC USB cable, and (...)

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Diseño de referencia

TIDA-00042 — Diseño de referencia del cargador de la batería de iones de litio de una sola celda con entrada únic

This reference design is targeted at space-limited portable applications. The devices in the design operate from either a USB port or AC adapter. The solution has a single power output that charges the battery. A system load can be placed in parallel with the battery as long as the average system (...)

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Diseño de referencia

TIDA-00044 — Diseño de referencia del cargador de batería USB de iones de litio y la administración de Power-Path

This reference design delivers up to 1000 mA of continuous current to the battery output when programmed with a resistor on the ISET pin and is programmed at the factory for ~540mA. The USB current limit modes are selected by the ISET2 pin and limits current to a maximum of 500 mA (logic high) or (...)

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Diseño de referencia

TIDA-00045 — Diseño de referencia de IC de la administración de Power-Path dinámica y carga de un solo chip

This reference design is a Single-Chip Charge and Dynamic Power-Path Management IC solution. It is a complete bq24030 based circuit design and provides a convenient method to evaluate the operation and performance of the IC. The development solution includes a tested evaluation board; a user guide (...)

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Diseño de referencia

TIDA-00053 — Diseño de referencia de cargador lineal de una sola celda de 1 A para aplicaciones LiFePO4

This reference design is designed to deliver up to 1 A of continuous current to the battery and/or system. It has a 4.9 VDC, 50 mA max internal LDO that can be used for USB applications or any other need. It uses the bq25070, a highly integrated LiFePO4 linear battery charger, in order to target (...)

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Diseño de referencia

TIDA-00055 — Diseño de referencia del cargador de iones de litio síncrono con modo conmutado independiente con FE

This reference design is a solution for a Li-Ion charge management IC. It has a highly integrated battery charge IC utilizing synchronous switch mode power conversion for efficient and comprehensive charge control of a single cell Li-Ion battery. The solutionprovides a convenient method to evaluate (...)

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Diseño de referencia

TIDA-00586 — Diseño de referencia del paquete de refuerzo de indicadores

The TIDA-00586 reference design is a gauge that has been designed as a booster pack to fit on the TI Launchpad development boards. The use of this this board for development will reduce the time spent in design and test of the bq27421 gauge IC. You can select any appropriate charger to charge your (...)

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Diseño de referencia

TIDA-00669 — Diseño de referencia del cargador inalámbrico BoosterPack™ de 500 mA con medidor

The TIDA-00669 is a BoosterPack™ reference design that provides a wireless charger and battery management to power any TI LaunchPad™ (www.ti.com/launchpad). This is a highly-integrated power management reference design that is well-suited for low-power applications. The primary method of storage is (...)

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Diseño de referencia

TIDA-00712 — Diseño de referencia de la solución de gestión de baterías SmartWatch

This reference design is for smartwatch battery management solution (BMS). It is suitable for low-power wearable devices like smartwatch applications. The design includes an ultra-low current 1 cell Li-ion linear charger; a highly integrated Qi-compliant wireless power receiver; a (...)

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Pedidos y calidad

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