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Battery charger ICs

BQ24010

ACTIVE

1-cell, 1-A, linear Li-ion battery charger with AC present and temp sense in QFN-11 package

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BQ25170 ACTIVE 800-mA linear battery charger for 1-cell Li-ion and LiFePO4 Supports multiple resistor programmable battery voltage with lower IQ

BQ24010

ACTIVE
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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.
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Technical documentation

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Type Title Date
* Data sheet Single-Chip, Li-Ion Charge Management IC For Handheld Applications (bqTINY) datasheet (Rev. K) 27 Jan 2014
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dec 2023
Analog Design Journal Designing a linear Li-Ion battery charger with power-path control 01 May 2009
Analog Design Journal Q2 2009 Issue Analog Applications Journal 01 May 2009
User guide 1-A Single-Chip Li-Ion & Li-Pol Charge Management IC w/Integrated PowerFET (Rev. A) 29 Oct 2002

Design & development

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

Evaluation board

BQ24010EVM — BQ24010 1-A Li-Ion Charger Evaluation Module with Power-Good, Temp. Sense

The bq24010EVM is an evaluation tool for the bq24010 linear single-cell Li-Ion charger with integrated FET and current sense in 3x3mm2 QFN package. The EVM is a complete designed-and-tested charger circuit that allows the user to test all functions of the bq24010 and to charge a single-cell Li-Ion (...)

User guide: PDF
Not available on TI.com
GUI for evaluation module (EVM)

SLVC024 — bq24715 EVM GUI Package

Supported products & hardware

Supported products & hardware

Products
Battery charger ICs
BQ2000 — Switch-mode multi-chemistry battery charger with peak voltagedetection termination BQ2000T — Switch-mode multi-chemistry battery charger with dT/dt termination BQ2002 — NiCd/NiMH battery charge controller with negative dV, PVT and Top-Off Time setup1 BQ2002C — NiCd/NiMH battery charge controller with negative dV, PVT BQ2002D — NiCd/NiMH battery charge controller with dT/dt termination BQ2002E — NiCd/NiMH battery charge controller with negative dV, PVT and tMTO setup1 BQ2002F — NiCd/NiMH battery charge controller with negative dV, PVT and Top-Off Time setup2 BQ2002G — NiCd/NiMH battery charge controller with negative dV, PVT and tMTO setup2 BQ2002T — NiCd/NiMH battery charge controller with dT/dt termination and low-temperature fault BQ2031 — Switch-mode Lead-Acid Battery Charger with User-Selectable Charge Algorithms BQ2057C — Low Dropout linear 1-cell Li-ion battery charge controller with AutoCompTM, 4.2V BQ24010 — 1-cell, 1-A, linear Li-ion battery charger with AC present and temp sense in QFN-11 package BQ24012 — 1-cell, 1-A, linear Li-ion battery charger w/ FET, AC present & charge enable in QFN-12 BQ24013 — 1-cell, 1-A, linear Li-ion battery charger with charge enable & term enable in QFN-11 package BQ24200 — 500-mA, 4.2-V Li-ion charger for current-Limited App. w/temp sense in MSOP-8 BQ24201 — 500-mA, 4.1-V Li-ion charger for current-Limited App. w/temp sense in MSOP-8 BQ24202 — 500-mA, 4.2-V Li-ion charger for current-Limited App. w/charge status in MSOP-8 BQ24203 — 500-mA, 4.1-V Li-ion charger for current-Limited App. w/charge status in MSOP-8 BQ24205 — 500-mA, 4.1-V Li-ion charger for current-Limited App. in MSOP-8 BQ24715 — SMBus 2-3 cell NVDC Buck battery charge controller with N-Channel MOSFET selectors
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VSON (DRC) 10 Ultra Librarian
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