Home Power management Battery management ICs Battery charger ICs

BQ24014

ACTIVE

1-cell, 1-A, linear Li-ion battery charger with temp sense & charge enable in QFN-11 package

Product details

Number of series cells 1 Charge current (max) (A) 1 Vin (max) (V) 16.5 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 4.2 Absolute max Vin (max) (V) 18 Control topology Linear Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (hot/cold profile) Vin (min) (V) 3 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1 Charge current (max) (A) 1 Vin (max) (V) 16.5 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 4.2 Absolute max Vin (max) (V) 18 Control topology Linear Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (hot/cold profile) Vin (min) (V) 3 Rating Catalog Operating temperature range (°C) -40 to 85
VSON (DRC) 10 9 mm² 3 x 3
  • Small 3-mm × 3-mm MLP (QFN) Package
  • Ideal for Low-Dropout Designs for Single-Cell Li-Ion
    or Li-Pol Packs in Space Limited Applications
  • Integrated Power FET and Current Sensor for Up to 1-A
    Charge Applications
  • Reverse Leakage Protection Prevents Battery Drainage
  • Integrated Current and Voltage Regulation
  • ±0.5% Voltage Regulation Accuracy
  • Charge Termination by Minimum Current and Time
  • Pre-Charge Conditioning With Safety Timer
  • Status Outputs for LED or System Interface Indicates
    Charge and Fault Conditions
  • Battery Insertion and Removal Detection
  • Works With Regulated and Unregulated Supplies
  • Short-Circuit Protection
  • Charge Voltage Options: 4.2 V and 4.36 V
  • Small 3-mm × 3-mm MLP (QFN) Package
  • Ideal for Low-Dropout Designs for Single-Cell Li-Ion
    or Li-Pol Packs in Space Limited Applications
  • Integrated Power FET and Current Sensor for Up to 1-A
    Charge Applications
  • Reverse Leakage Protection Prevents Battery Drainage
  • Integrated Current and Voltage Regulation
  • ±0.5% Voltage Regulation Accuracy
  • Charge Termination by Minimum Current and Time
  • Pre-Charge Conditioning With Safety Timer
  • Status Outputs for LED or System Interface Indicates
    Charge and Fault Conditions
  • Battery Insertion and Removal Detection
  • Works With Regulated and Unregulated Supplies
  • Short-Circuit Protection
  • Charge Voltage Options: 4.2 V and 4.36 V

The bqTINY™ series are highly integrated Li-Ion and Li-Pol linear charge management devices targeted at space limited portable applications. The bqTINY™ series offer integrated powerFET and current sensor, reverse blocking protection, high accuracy current and voltage regulation, charge status, and charge termination, in a small package.

The bqTINY™ charges the battery in three phases: conditioning, constant current, and constant voltage. Charge is terminated based on minimum current. An internal charge timer provides a backup safety feature for charge termination. The bqTINY™ automatically restarts the charge if the battery voltage falls below an internal threshold. The bqTINY™ automatically enters sleep mode when VCC supply is removed.

In addition to the standard features, different versions of the bqTINY™ offer a multitude of additional features. These include temperature sensing input for detecting hot or cold battery packs; power good (PG) output indicating the presence of valid input power; a TTL-level charge-enable input (CE) used to disable or enable the charge process; and a TTL-level timer and termination enable (TTE) input used to disable or enable the fast-charge timer and charge termination.

The bqTINY™ series are highly integrated Li-Ion and Li-Pol linear charge management devices targeted at space limited portable applications. The bqTINY™ series offer integrated powerFET and current sensor, reverse blocking protection, high accuracy current and voltage regulation, charge status, and charge termination, in a small package.

The bqTINY™ charges the battery in three phases: conditioning, constant current, and constant voltage. Charge is terminated based on minimum current. An internal charge timer provides a backup safety feature for charge termination. The bqTINY™ automatically restarts the charge if the battery voltage falls below an internal threshold. The bqTINY™ automatically enters sleep mode when VCC supply is removed.

In addition to the standard features, different versions of the bqTINY™ offer a multitude of additional features. These include temperature sensing input for detecting hot or cold battery packs; power good (PG) output indicating the presence of valid input power; a TTL-level charge-enable input (CE) used to disable or enable the charge process; and a TTL-level timer and termination enable (TTE) input used to disable or enable the fast-charge timer and charge termination.

Download View video with transcript Video

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 1
Type Title Date
* Data sheet Single-Chip, Li-Ion Charge Management IC For Handheld Applications (bqTINY) datasheet (Rev. K) 27 Jan 2014

Design & development

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

Package Pins Download
VSON (DRC) 10 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos