Support software
Data sheet
A newer version of this product is available
BQ27010
- HDQ (bq27010) or I2C (bq27210) Communication
- Reports Accurate Time-to-Empty At Both Measured and Host-Requested Load Values
- Reports Available Capacity Compensated for Discharge Rate, Temperature, and Age
- End-of-Discharge Voltage Compensated for Discharge Rate and Temperature
- Automatic Capacity Reduction with Age
- Reports Temperature, Voltage, and Current
- High Accuracy Charge and Discharge Current Integration with Automatic Offset Calibration
- Requires No User Calibration
- Programmable Input/Output Port
- Internal User EEPROM Configuration Memory
- Uploadable Coefficients Allows Host-Side Use with Multiple Pack Characteristics
- Stable Oscillator Without External Components
- Dynamic End-of-Discharge Detection Delay to Allow Use in a High-Dynamic Load Environment
- Automatic Sleep Mode When Communication Lines are Low
- Available in a Small 3 mm x 4 mm QFN Package
- Five Low-Power Operating Modes
- Active: < 90 µA
- Sleep: < 2.5 µA
- Ship: < 2 µA (bq27010 only)
- Hibernate: < 1.5 µA
- Data Retention: < 20 nA
- APPLICATIONS
- PDA
- Smart Phones
- MP3 Players
- Digital Cameras
- Internet Appliances
- Handheld Devices
bqJUNIOR is a trademark of Texas Instruments.
The bqJUNIOR™ series are highly accurate stand-alone single-cell Li-Ion and Li-Pol battery capacity monitoring and reporting devices targeted at space-limited, portable applications. The IC monitors a voltage drop across a small current sense resistor connected in series with the battery to determine charge and discharge activity of the battery. Compensations for battery age, temperature, self-discharge, and discharge rate are applied to the capacity measurments to provide available time-to-empty information across a wide range of operating conditions. Battery capacity is automatically recalibrated, or learned, in the course of a discharge cycle from full to empty. Internal registers include current, capacity, time-to-empty, state-of-charge, cell temperature and voltage, status, and more.
The bqJUNIOR can operate directly from single-cell Li-Ion and Li-Pol batteries and communicates to the system over a HDQ one-wire or I2C serial interface.
Technical documentation
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View all 9 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | Li-Ion and Li-Pol Battery Gas Gauge IC for Portable Apps (bqJUNIOR) datasheet (Rev. B) | 16 Jan 2007 | |
| Application note | Battery Authentication and Security Schemes (Rev. A) | 17 Jul 2014 | ||
| EVM User's guide | bq27x10EVM Single Cell Battery Fuel Gauge Evaluation Module (Rev. A) | 04 Oct 2013 | ||
| Application note | Feature Set Comparison of bq27x00, bq27x10, bq27500, and bq27510 (Rev. A) | 02 Dec 2008 | ||
| Application note | HDQ Communication Basics (Rev. A) | 18 Sep 2008 | ||
| Application note | Transition From Prior bqJunior Gauges to the bq27x10 | 17 Jul 2007 | ||
| Application note | Configuring the bq27010/210 for Gas Gauge Applications | 23 Feb 2007 | ||
| Application note | Using the bq27x00 With a Primary Cell Battery | 15 Dec 2005 | ||
| Application note | Building a Superior Battery Monitor with the bq27x00 | 20 Jun 2005 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Support software
SLUC087 — bq27x10 evaluation software
Support software
SLUC261 — Gas Gauge Chemistry Updater Setup v7.82
Supported products & hardware
Products
Battery fuel gauges
Software
Design tool
Reference designs
TIDA-00054 — Single-Cell Li-ion and Li-polymer Battery Fuel (Gas) Gauge Reference Design
This reference design is a solution for singlecell Li-ion and Li-Polymer battery fuel gauges in consumer electronic applications. The reference design package contains a BQ27010 circuit module, an EV2300 PC interface board for gas gauge evaluation, a USB cable, CD ROM including Windows™-based (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| VSON (DRK) | 10 | Ultra Librarian |
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