BQ27505-J2

ACTIVO

Indicador de combustible con FW v2.15 con Impedance Track™ del lado del sistema

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Hoja de datos

document-pdfAcrobat System-Side Impedance Track™ Fuel Gauge datasheet (Inglés)

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BQ27532-G1

ACTIVO

Indicador de combustible de la unidad de gestión de la batería Impedance Track™ para cargador bq2425 Improved safety and security, state-of-health (SOH) and multi-level based charge profiles

BQ27505-J2

ACTIVO

Hoja de datos

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Detalles del producto

Cell chemistry

Li-Ion/Li-Polymer

Number of series cells

Single Cell

Communication interface

I2C

Battery capacity (min) (mAh)

300

Battery capacity (max) (mAh)

8000

Implementation

System

External capacity indication

None

Features

Impedance Track™ algorithm

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)

300

Battery capacity (max) (mAh)

8000

Implementation

System

External capacity indication

None

Features

Impedance Track™ algorithm

Operating temperature range (°C)

-40 to 85

Rating

Catalog

DSBGA (YZG)

12

3.9375 mm² (— mm × — mm)

Battery Fuel Gauge for 1-Series Li-Ion Applications
Resides on System Main Board
- Works With Embedded or Removable Battery Packs
Uses PACK+, PACK-, and T Battery Terminals
Microcontroller Peripheral Provides:
- Accurate Battery Fuel Gauging
- Internal Temperature Sensor for Battery Temperature Reporting
- Battery Low Interrupt Warning
- Battery Insertion Indicator
- Configurable Level of State of Charge (SOC) Interrupts
- State of Health Indicator
- 96 Bytes of Non-Volatile Scratch-Pad FLASH
Battery Fuel Gauge Based on Patented Impedance Track™ Technology
- Models the Battery Discharge Curve for Accurate Time-to-Empty Predictions
- Automatically Adjusts for Battery Aging, Battery Self-Discharge, and Temperature/Rate Inefficiencies
- Low-Value Sense Resistor (10 mW or Less)
400-kHz I2C™ Interface for Connection to System Microcontroller Port
In a 12-Pin NanoFree™ (CSP) Packaging
APPLICATIONS
- Smartphones
- PDAs
- Digital Still and Video Cameras
- Handheld Terminals
- MP3 or Multimedia Players

Impedance Track, NanoFree are trademarks of Texas Instruments.
I2C is a trademark of Philips Electronics.

Battery Fuel Gauge for 1-Series Li-Ion Applications
Resides on System Main Board
- Works With Embedded or Removable Battery Packs
Uses PACK+, PACK-, and T Battery Terminals
Microcontroller Peripheral Provides:
- Accurate Battery Fuel Gauging
- Internal Temperature Sensor for Battery Temperature Reporting
- Battery Low Interrupt Warning
- Battery Insertion Indicator
- Configurable Level of State of Charge (SOC) Interrupts
- State of Health Indicator
- 96 Bytes of Non-Volatile Scratch-Pad FLASH
Battery Fuel Gauge Based on Patented Impedance Track™ Technology
- Models the Battery Discharge Curve for Accurate Time-to-Empty Predictions
- Automatically Adjusts for Battery Aging, Battery Self-Discharge, and Temperature/Rate Inefficiencies
- Low-Value Sense Resistor (10 mW or Less)
400-kHz I2C™ Interface for Connection to System Microcontroller Port
In a 12-Pin NanoFree™ (CSP) Packaging
APPLICATIONS
- Smartphones
- PDAs
- Digital Still and Video Cameras
- Handheld Terminals
- MP3 or Multimedia Players

Impedance Track, NanoFree are trademarks of Texas Instruments.
I2C is a trademark of Philips Electronics.

The Texas Instruments bq27505 system-side Li-Ion battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell Li-Ion battery packs. The device requires little system microcontroller firmware development. The bq27505 resides on the system's main board and manages an embedded battery (non-removable) or a removable battery pack.

The bq27505 uses the patented Impedance Track™ algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge (%), run-time to empty (min), battery voltage (mV), temperature (°C) and state of health (%).

Battery fuel gauging with the bq27505 requires only PACK+ (P+), PACK- (P-), and Thermistor (T) connections to a removable battery pack or embedded battery circuit. The CSP option is a 12-ball package in the dimensions of 2,43 mm × 1,96 mm with 0,5 mm lead pitch. It is ideal for space constrained applications.

The Texas Instruments bq27505 system-side Li-Ion battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell Li-Ion battery packs. The device requires little system microcontroller firmware development. The bq27505 resides on the system's main board and manages an embedded battery (non-removable) or a removable battery pack.

The bq27505 uses the patented Impedance Track™ algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge (%), run-time to empty (min), battery voltage (mV), temperature (°C) and state of health (%).

Battery fuel gauging with the bq27505 requires only PACK+ (P+), PACK- (P-), and Thermistor (T) connections to a removable battery pack or embedded battery circuit. The CSP option is a 12-ball package in the dimensions of 2,43 mm × 1,96 mm with 0,5 mm lead pitch. It is ideal for space constrained applications.

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Documentación técnica

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Documentación principal	Tipo	Título	Opciones de formato	Fecha
*	Hoja de datos	System-Side Impedance Track™ Fuel Gauge datasheet		5/03/2009
	Nota sobre la aplicación	Going to Production With the bq275xx (Rev. F)		9/10/2014
	Nota sobre la aplicación	Theory and Implementation of Impedance Track Battery Fuel-Gauging Algorithm (Rev. A)	PDF \| HTML	16/05/2014
	Nota sobre la aplicación	Using I2C Communication With the bq275xx Series of Fuel Gauges (Rev. B)		15/05/2014
	Guía del usuario	bq27505EVM System-Side, Single-Cell Impedance Track™ (Rev. A)		4/10/2013
	Nota sobre la aplicación	Updating bq275xx Firmware at Production (Rev. A)		21/02/2011
	Nota sobre la aplicación	bq27505-J2 to bq27505-J3 Change List		26/01/2010
	Guía del usuario	bqEasy(TM) for bq27505 Impedance Track(TM) Devices		17/08/2009
	Nota sobre la aplicación	Quick-Start Guide for bq27505 Family Gas Gauge		8/08/2009
	Nota sobre la aplicación	How to Use bq27505 in a Smart Phone System		8/08/2009
	Nota sobre la aplicación	bq27505-J1 to bq27505-J2 Change List		24/07/2009
	Nota sobre la aplicación	Updating Firmware with the bq2750x and EVM. (Rev. A)		22/07/2008

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.

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