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BQ24086

AKTIV

Einzelliges Standalone-0,75-A lineares Akkuladegerät mit Temperaturmessung, Power-Good-Anzeige und 6

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Gleiche Funktionalität, andere Pinbelegung als verglichener Baustein
BQ25170 AKTIV Linearer Batterielader, 800 mA, für 1 Zelle (Li-Ion oder LiFePO4) This product is an 800-mA, single cell Li-Ion and LiFePO4 battery linear charger with programmable charge voltage

BQ24086

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Number of series cells 1 Charge current (max) (A) 0.75 Vin (max) (V) 6.5 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) 20 Control topology Linear Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Input OVP Vin (min) (V) 4.35 Rating Catalog Operating temperature range (°C) 0 to 125
Number of series cells 1 Charge current (max) (A) 0.75 Vin (max) (V) 6.5 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) 20 Control topology Linear Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Input OVP Vin (min) (V) 4.35 Rating Catalog Operating temperature range (°C) 0 to 125
VSON (DRC) 10 9 mm² 3 x 3
  • 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 750-mA Charge Applications
  • Reverse Leakage Protection Prevents Battery
    Drainage
  • ±0.5% Voltage Regulation Accuracy
  • Thermal Regulation Maximizes Charge Rate
  • Charge Termination by Minimum Current and
    Time
  • Precharge Conditioning With Safety Timer
  • Status Outputs for LED or System Interface
    Indicate Charge, Fault, and Power Good Outputs
  • Short-Circuit and Thermal Protection
  • Automatic Sleep Mode for Low Power
    Consumption
  • Small 3×3 mm MLP Package
  • Selectable Battery Insertion and Battery Absent
    Detection
  • Input Overvoltage Protection
    • 6.5 V and 10.5 V Options
  • 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 750-mA Charge Applications
  • Reverse Leakage Protection Prevents Battery
    Drainage
  • ±0.5% Voltage Regulation Accuracy
  • Thermal Regulation Maximizes Charge Rate
  • Charge Termination by Minimum Current and
    Time
  • Precharge Conditioning With Safety Timer
  • Status Outputs for LED or System Interface
    Indicate Charge, Fault, and Power Good Outputs
  • Short-Circuit and Thermal Protection
  • Automatic Sleep Mode for Low Power
    Consumption
  • Small 3×3 mm MLP Package
  • Selectable Battery Insertion and Battery Absent
    Detection
  • Input Overvoltage Protection
    • 6.5 V and 10.5 V Options

The bq2408x series are highly integrated Li-Ion and Li-Pol linear chargers, targeted at space-limited portable applications. The bq2408x series offers a variety of protection features and functional options, while still implementing a complete charging system in a small package. The battery is charged in three phases: conditioning, constant or thermally regulated current, and constant voltage. Charge is terminated based on minimum current. An internal programmable charge timer provides a backup protection feature for charge termination and is dynamically adjusted during the thermal regulation phase. The bq2408x automatically restarts the charge if the battery voltage falls below an internal threshold; sleep mode is set when the external input supply is removed. Multiple versions of this device family enable easy design of the bq2408x in cradle chargers or in the end equipment, while using low cost or high-end AC adapters.

The bq2408x series are highly integrated Li-Ion and Li-Pol linear chargers, targeted at space-limited portable applications. The bq2408x series offers a variety of protection features and functional options, while still implementing a complete charging system in a small package. The battery is charged in three phases: conditioning, constant or thermally regulated current, and constant voltage. Charge is terminated based on minimum current. An internal programmable charge timer provides a backup protection feature for charge termination and is dynamically adjusted during the thermal regulation phase. The bq2408x automatically restarts the charge if the battery voltage falls below an internal threshold; sleep mode is set when the external input supply is removed. Multiple versions of this device family enable easy design of the bq2408x in cradle chargers or in the end equipment, while using low cost or high-end AC adapters.
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BQ24040 AKTIV Eigenständiges 1,5-A lineares Ladegerät mit 1 Zelle, mit 4,2-V-VBAT und Temperaturmessung This product is a 1-A, standalone, single-cell Li-Ion battery charger in a 2x2mm package.

Technische Dokumentation

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Typ Titel Datum
* Data sheet bq2408x 750-mA Single-Chip Li-Ion and Li-Pol Charge Management IC With Thermal Regulation datasheet (Rev. E) PDF | HTML 30 Dez 2015
User guide bq24085/6/7/8 Evaluation Module 07 Mär 2008

Design und Entwicklung

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Evaluierungsplatine

BQ24086EVM — Batterielader-Evaluierungsmodul

The bq24085/6/7 evaluation module (EVM) provides a convenient method for evaluating the performance of a charge management solution for portable applications using the bq24085/6/7 product family. The charger is designed to deliver up to 750 mA of continuous chargecurrent for single-cell Li-Ion or (...)
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  • Qualifikationszusammenfassung
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