BQ27505-J2

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Systemseitiger Impedance Track™-Ladestandsmesser mit FW v2.15

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Datenblatt

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

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Alternativen vergleichen

Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung.

BQ27532-G1

AKTIV

Impedance Track™-Füllstandsmesser (Gas) für Batteriemanagement-Einheit für bq2425x-Ladecontroller Improved safety and security, state-of-health (SOH) and multi-level based charge profiles

BQ27505-J2

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

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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Technische Dokumentation

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Top-Dokumentation	Typ	Titel	Format-Optionen	Datum
*	Datenblatt	System-Side Impedance Track™ Fuel Gauge datasheet		05.03.2009
	Anwendungshinweis	Going to Production With the bq275xx (Rev. F)		09.10.2014
	Anwendungshinweis	Theory and Implementation of Impedance Track Battery Fuel-Gauging Algorithm (Rev. A)	PDF \| HTML	16.05.2014
	Anwendungshinweis	Using I2C Communication With the bq275xx Series of Fuel Gauges (Rev. B)		15.05.2014
	Benutzerhandbuch	bq27505EVM System-Side, Single-Cell Impedance Track™ (Rev. A)		04.10.2013
	Anwendungshinweis	Updating bq275xx Firmware at Production (Rev. A)		21.02.2011
	Anwendungshinweis	bq27505-J2 to bq27505-J3 Change List		26.01.2010
	Benutzerhandbuch	bqEasy(TM) for bq27505 Impedance Track(TM) Devices		17.08.2009
	Anwendungshinweis	Quick-Start Guide for bq27505 Family Gas Gauge		08.08.2009
	Anwendungshinweis	How to Use bq27505 in a Smart Phone System		08.08.2009
	Anwendungshinweis	bq27505-J1 to bq27505-J2 Change List		24.07.2009
	Anwendungshinweis	Updating Firmware with the bq2750x and EVM. (Rev. A)		22.07.2008

Design und Entwicklung

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