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BQ25060

ACTIVE

1-cell, 1-A, Li-ion battery charger with 50-mA LDO

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Data sheet

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BQ24072 ACTIVE Standalone 1-cell 1.5-A linear battery charger, Power Path, 4.2-V VBAT and VOUT=VBAT + 225mV This product is a 1.5-A, standalone, single-cell Li-Ion battery charger with power path in a 3x3mm package.

BQ25060

ACTIVE
Data sheet Order now

Product details

Number of series cells 1 Charge current (max) (A) 1 Vin (max) (V) 10.2 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) 30 Control topology Linear Control interface Standalone (RC-Settable) Features IC thermal regulation, Input OVP, Integrated LDO, Power Path, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 4.4 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1 Charge current (max) (A) 1 Vin (max) (V) 10.2 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) 30 Control topology Linear Control interface Standalone (RC-Settable) Features IC thermal regulation, Input OVP, Integrated LDO, Power Path, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 4.4 Rating Catalog Operating temperature range (°C) -40 to 85
WSON (DQC) 10 6 mm² 3 x 2
  • 30V input Rating, With 10.5V Over-Voltage Protection (OVP)
  • FET Controller for External Battery FET for External Power Path Control (BGATE)
  • Input Voltage Dynamic Power Management
  • 50mA integrated Low Dropout Linear Regulator (LDO)
  • Programmable Charge Current Through ISET and EN Pin
  • 0.5% Battery Voltage Regulation Accuracy
  • 7% Charge Current Regulation Accuracy
  • Thermal Regulation and Protection
  • Battery NTC Monitoring During Charge
  • Status Indication – Charging/Done
  • Available in small 2mm × 3mm 10 Pin SON Package
  • APPLICATIONS
    • Smart Phones
    • Mobile Phones
    • Portable Media Players
    • Low Power Handheld Devices
  • 30V input Rating, With 10.5V Over-Voltage Protection (OVP)
  • FET Controller for External Battery FET for External Power Path Control (BGATE)
  • Input Voltage Dynamic Power Management
  • 50mA integrated Low Dropout Linear Regulator (LDO)
  • Programmable Charge Current Through ISET and EN Pin
  • 0.5% Battery Voltage Regulation Accuracy
  • 7% Charge Current Regulation Accuracy
  • Thermal Regulation and Protection
  • Battery NTC Monitoring During Charge
  • Status Indication – Charging/Done
  • Available in small 2mm × 3mm 10 Pin SON Package
  • APPLICATIONS
    • Smart Phones
    • Mobile Phones
    • Portable Media Players
    • Low Power Handheld Devices

The bq25060 is a highly integrated Li-Ion linear battery charger targeted at space-limited portable applications. It operates from either a USB port or AC Adapter and charges a single-cell Li-Ion battery with up to 1A of charge current. The 30V input voltage range with input over-voltage protections supports low-cost unregulated adapters.

The bq25060 has a single power output that charges the battery. The system load is connected to OUT. The low-battery system startup circuitry maintains OUT greater than 3.4V whenever an input source is connected. This allows the system to start-up and run whenever an input source is connected regardless of the battery voltage. The charge current is programmable up to 1A using the ISET input. Additionally, a 4.9V 50mA LDO is integrated into the IC for supplying low power external circuitry.

The battery is charged in three phases: conditioning, constant current and constant voltage. In all charge phases, an internal control loop monitors the IC junction temperature and reduces the charge current if an internal temperature threshold is exceeded. The charger power stage and charge current sense functions are fully integrated. The charger function has high accuracy current and voltage regulation loops, charge status display, and charge termination.

The bq25060 is a highly integrated Li-Ion linear battery charger targeted at space-limited portable applications. It operates from either a USB port or AC Adapter and charges a single-cell Li-Ion battery with up to 1A of charge current. The 30V input voltage range with input over-voltage protections supports low-cost unregulated adapters.

The bq25060 has a single power output that charges the battery. The system load is connected to OUT. The low-battery system startup circuitry maintains OUT greater than 3.4V whenever an input source is connected. This allows the system to start-up and run whenever an input source is connected regardless of the battery voltage. The charge current is programmable up to 1A using the ISET input. Additionally, a 4.9V 50mA LDO is integrated into the IC for supplying low power external circuitry.

The battery is charged in three phases: conditioning, constant current and constant voltage. In all charge phases, an internal control loop monitors the IC junction temperature and reduces the charge current if an internal temperature threshold is exceeded. The charger power stage and charge current sense functions are fully integrated. The charger function has high accuracy current and voltage regulation loops, charge status display, and charge termination.
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Type Title Date
* Data sheet 1A, Single-Input, Single Cell Li-Ion Battery Charger with 50-mA LDO, and Externa datasheet 05 May 2010
EVM User's guide bq25050/bq25060EVM User's Guide 21 Jul 2010

Design & development

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Evaluation board

BQ25060EVM — Evaluation Module for BQ25060 1A, Single-Input, Single Cell Li-Ion Battery Charger with 50mA LDO

The bq25060EVM assists users in evaluating the bq25060 linear battery chargers. The User's Guide manual includes the bq25050EVM bill of materials, board layout, and schematic. The bq25050/60 is a highly integrated Li-Ion linear battery charger targeted at space-limited portable applications. It (...)

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