BQ25010 Series
500mA Li-Ion Charger w/Integrated 150mA Synchronous Buck Converter, Output Adjustable
Manufacturer: Texas Instruments
Link to Manufacturer Page: https://www.ti.com/
Catalog
500mA Li-Ion Charger w/Integrated 150mA Synchronous Buck Converter, Output Adjustable
| Part | Battery Chemistry | Package / Case | Charge Current - Max [Max] | Battery Pack Voltage | Fault Protection | Current - Charging | Mounting Type | Number of Cells | Operating Temperature [Max] | Operating Temperature [Min] | Supplier Device Package | Interface | Voltage - Supply (Max) [Max] | Programmable Features |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments BQ25010RHLR | Lithium Ion/Polymer | 20-VFQFN Exposed Pad | 500 mA | 4.2 V | Over Temperature | Constant - Programmable | Surface Mount | 1 | 125 ¯C | -40 °C | 20-VQFN (3.5x4.5) | USB | 6.5 V | Current, Timer |
Key Features
• Li-Ion Or Li-Pol Charge Management and Synchronous DC-DC Power Conversion In a Single ChipOptimized for Powering Bluetooth™ Headsets and AccessoriesCharges and Powers the System from Either the AC Adapter or USB with Autonomous Power Source SelectionIntegrated USB Charge Control with Selectable 100 mA and 500 mA Charge RatesIntegrated Power FET and Current Sensor for Up to 500 mA Charge ApplicationsAND100 mA DC-DC Controller with Integrated FETsReverse Leakage Protection Prevents Battery DrainageAutomatic Power Save Mode For HighEfficiency at Low Current, or Forced PWM for Frequency Sensitive Applications3.5 mm × 4.5 mm QFN PackageAPPLICATIONSBluetooth™ HeadsetsBluetooth™ AccessoriesLow-Power Handheld DevicesBluetooth is a trademark of Bluetooth SIG, Inc.Li-Ion Or Li-Pol Charge Management and Synchronous DC-DC Power Conversion In a Single ChipOptimized for Powering Bluetooth™ Headsets and AccessoriesCharges and Powers the System from Either the AC Adapter or USB with Autonomous Power Source SelectionIntegrated USB Charge Control with Selectable 100 mA and 500 mA Charge RatesIntegrated Power FET and Current Sensor for Up to 500 mA Charge ApplicationsAND100 mA DC-DC Controller with Integrated FETsReverse Leakage Protection Prevents Battery DrainageAutomatic Power Save Mode For HighEfficiency at Low Current, or Forced PWM for Frequency Sensitive Applications3.5 mm × 4.5 mm QFN PackageAPPLICATIONSBluetooth™ HeadsetsBluetooth™ AccessoriesLow-Power Handheld DevicesBluetooth is a trademark of Bluetooth SIG, Inc.
Description
AI
The bq2501x series are highly integrated charge and power management devices targeted at space-limited bluetooth applications. The bq2501x series offer integrated power FET and current sensor for charge control, reverse blocking protection, high accuracy current and voltage regulation, charge status, charge termination, and a highly efficient and low-power dc-dc converter in a small package.
The bq2501x 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 bq2501x automatically re-starts the charge if the battery voltage falls below an internal threshold. The bq2501x automatically enters sleep mode when VCCsupply is removed.
The integrated low-power high-efficiency dc-dc converter is designed to operate directly from a single-cell Li-Ion or Li-Pol battery pack. The output voltage is either adjustable from 0.7 V to VBAT (bq25010), fixed at 3.3 V (bq25011), or fixed at 1.8 V (bq25012), and is capable of delivering up to 150-mA of load current. The dc-dc converter operates at a synchronized 1 MHz switching frequency allowing for the use of small inductors.
The bq2501x series are highly integrated charge and power management devices targeted at space-limited bluetooth applications. The bq2501x series offer integrated power FET and current sensor for charge control, reverse blocking protection, high accuracy current and voltage regulation, charge status, charge termination, and a highly efficient and low-power dc-dc converter in a small package.
The bq2501x 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 bq2501x automatically re-starts the charge if the battery voltage falls below an internal threshold. The bq2501x automatically enters sleep mode when VCCsupply is removed.
The integrated low-power high-efficiency dc-dc converter is designed to operate directly from a single-cell Li-Ion or Li-Pol battery pack. The output voltage is either adjustable from 0.7 V to VBAT (bq25010), fixed at 3.3 V (bq25011), or fixed at 1.8 V (bq25012), and is capable of delivering up to 150-mA of load current. The dc-dc converter operates at a synchronized 1 MHz switching frequency allowing for the use of small inductors.