BQ27500-V120

Name: BQ27500-V120
Brand: TI
SKU: BQ27500-V120
Price: 3.213 USD

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System-side Impedance Track™; fuel gauge with FW v1.20

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Data sheet

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System-Side Impedance-Track Fuel Gauge datasheet

System-side Impedance Track™; fuel gauge with FW v1.20

BQ27500-V120

ACTIVE

Data sheet

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Product details

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

Cell balancing

—

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

Cell balancing

—

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Find other Battery fuel gauges

VSON (DRZ)

12

10 mm² 4 x 2.5

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Battery Fuel Gauge for 1-Series Li-Ion Applications
Resides on System Main Board
- WBaotrtkesrywPitahckEsmbedded or Removable
Uses PACK+, PACK-, and T Battery Terminals
Microcontroller Peripheral Provides:
- Accurate Battery Fuel Gauging
- Internal Temperature Sensor for System Temperature Reporting
- Battery Low Interrupt Warning
- Battery Insertion 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 mΩ or Less)
I²C™ Interface for Connection to System Microcontroller Port
12-Pin 2,5-mm ' 4-mm SON Package
applications
- Smartphones
- PDAs
- Digital Still and Video Cameras
- Handheld Terminals
- MP3 or Multimedia Players

Impedance Track is a trademark of Texas Instruments.
I²C is a trademark of Philips Electronics.

Battery Fuel Gauge for 1-Series Li-Ion Applications
Resides on System Main Board
- WBaotrtkesrywPitahckEsmbedded or Removable
Uses PACK+, PACK-, and T Battery Terminals
Microcontroller Peripheral Provides:
- Accurate Battery Fuel Gauging
- Internal Temperature Sensor for System Temperature Reporting
- Battery Low Interrupt Warning
- Battery Insertion 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 mΩ or Less)
I²C™ Interface for Connection to System Microcontroller Port
12-Pin 2,5-mm ' 4-mm SON Package
applications
- Smartphones
- PDAs
- Digital Still and Video Cameras
- Handheld Terminals
- MP3 or Multimedia Players

Impedance Track is a trademark of Texas Instruments.
I²C is a trademark of Philips Electronics.

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The Texas Instruments bq27500 system-side Li-Ion battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell Li-Ion battery pmaiccrkosc.ontrTohlleer firdmewviacree derveeqluoipremsent.liTttlhee bqs2y7s5te0m0 resides on the system main board, and manages an embedded battery (non-removable) or a removable battery pack.

The bq27500 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), and temperature (°C).

Battery fuel gauging with the bq27500 requires only PACK+ (P+), PACK- (P-), and Thermistor (T) connections to a removable battery pack or embedded battery.

The Texas Instruments bq27500 system-side Li-Ion battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell Li-Ion battery pmaiccrkosc.ontrTohlleer firdmewviacree derveeqluoipremsent.liTttlhee bqs2y7s5te0m0 resides on the system main board, and manages an embedded battery (non-removable) or a removable battery pack.

The bq27500 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), and temperature (°C).

Battery fuel gauging with the bq27500 requires only PACK+ (P+), PACK- (P-), and Thermistor (T) connections to a removable battery pack or embedded battery.

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Technical documentation

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	Type	Title	Date
*	Data sheet	System-Side Impedance-Track Fuel Gauge datasheet	20 Oct 2008
	Application note	Going to Production With the bq275xx (Rev. F)	09 Oct 2014
	Application note	Using I2C Communication With the bq275xx Series of Fuel Gauges (Rev. B)	15 May 2014
	User guide	bq2750xEVM System Side Single-Cell Impedance Track™ (Rev. A)	04 Oct 2013
	Application note	Going to Production With the bq275xx (Rev. E)	20 Jan 2012
	Application note	Updating bq275xx Firmware at Production (Rev. A)	21 Feb 2011
	Application note	How to Generate Golden Image for Single-Cell Impedance Track(TM) Devices	07 Jan 2010
	Application note	bq27500-V120 to bq27500-V130 Change List	03 Dec 2009
	Analog design journal	Improving Battery Safety, Charging, and Fuel Gauging in Portable Media Apps	11 Mar 2009
	Analog design journal	Q1 2009 Issue Analog Applications Journal	11 Mar 2009
	Application note	Feature Set Comparison of bq27x00, bq27x10, bq27500, and bq27510 (Rev. A)	02 Dec 2008
	Application note	bq27500-V100 to bq27500-V120 Change List	02 Dec 2008
	Application note	Single Cell Gas Gauge Application Book	28 Jul 2008
	Application note	Updating Firmware with the bq2750x and EVM. (Rev. A)	22 Jul 2008
	User guide	bqEASY for Single Cell Impedance Track TM Devices (Rev. A)	04 Apr 2008
	Application note	Impedance Track Fuel Gauge Accuracy Test for GSM Phone Applications	21 Mar 2008
	Application note	Single Cell Gas Gauge Circuit Design	22 Feb 2008
	Application note	Single Cell Impedance Track Printed-Circuit Board Layout	22 Feb 2008
	Application note	Configuring the bq27500 Data Flash (Rev. A)	01 Feb 2008
	Application note	Theory and Implementation of Impedance Track Battery Fuel-Gauging Algorithm	31 Jan 2008
	Application note	Quick Start Guide for bq2750x Family Gas Gauge	23 Jan 2008
	User guide	bq27500 EVM (HPA219 Rev. A) Errata	08 Nov 2007
	Application note	Key Design Considerations for the bq27500 and bq27501	30 Oct 2007
	More literature	Quick Start Guide for bq27500/1EVM Kit	24 Oct 2007
	Analog design journal	Host-Side Gas-Gauge-System Design Considerations for Single-Cell Handheld Apps	12 Oct 2007
	White paper	Impedance Track Based Fuel Gauging	27 Sep 2007

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Support software

bq27500-V120 Senc File

SLUC148.ZIP (48 KB)

Download

Support software

bqEVSW installer for all bq275xx devices (Rev. C)

SLUC367C.ZIP (63861 KB)

Download

Simulation model

BQ275xx IBIS Model

SLUC119.ZIP (14 KB) - IBIS Model

Download

Design tool

GASGAUGECHEM-SW — Gas Gauge Chemistry Updater

The Chemistry Updater installer contains data used by the bq Evaluation/ bqEVSW / bqEASY tool for selecting the correct or closest chemical identification file for your battery pack.

The Battery Management Studio (bqStudio) chemistry update zip file contains data used by bqStudio for selecting the (...)

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User guide

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