BQ24125RHLR

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BQ24125RHLR

+Nomenclature

IC BATT CHG LI-ION 1-3CEL 20VQFN

  • FabricantTexas Instruments

  • Pièce fabricant #BQ24125RHLR

  • Package VQFN (RHL)-20

  • En stock3148

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
Series bqSWITCHER™
ProductStatus Active
BatteryChemistry Lithium Ion/Polymer
NumberofCells 1 ~ 3
Current-Charging Constant - Programmable
ProgrammableFeatures Current, Timer
FaultProtection Over Temperature
ChargeCurrent-Max 2A
BatteryPackVoltage 8.4V
Voltage-Supply(Max) 16V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-VFQFN Exposed Pad

Présentation

Description

The BQ24125RHLR is a highly integrated single-cell Li-Ion and Li-Polymer switch-mode battery charge management solution from Texas Instruments. It is designed to efficiently manage the charging of batteries used in portable applications. The device utilizes a synchronous buck topology with a fixed frequency, offering up to 2.5A charge current, making it suitable for devices requiring rapid charge cycles.
Key features include automatic power path management, which enables simultaneous charging and system load operation, dynamic power management to avoid overloading input supplies, and a battery temperature sensing feature for safety. The chip supports USB and AC adapter power sources, ensuring versatility in application environments. The BQ24125RHLR also offers over-voltage, under-voltage, and thermal protection features, enhancing reliability.
It operates over a broad input voltage range, making it compatible with various power sources, and is available in a QFN package, which is space-efficient for compact designs. Its extensive feature set makes it ideal for smartphones, tablets, and other portable electronics requiring efficient battery management.

Equivalent

The BQ24125RHLR is a single-cell Li-Ion battery charge management IC from Texas Instruments. Equivalent products with similar functionalities include:
1. Microchip MCP73871
2. Linear Technology (Analog Devices) LTC4065
3. ON Semiconductor NCP1860
4. Intersil (Renesas) ISL9205
These alternatives offer comparable features such as charging control, power path management, and status indication, but the specific characteristics and pin compatibility may vary. Always verify the datasheet for compatibility in your application.

Features

The BQ24125RHLR is a highly integrated Li-Ion/Li-Polymer switching battery charge management and system power path management device. It is designed for portable applications with a wide input voltage range and programmable output. Key features include:
1. Wide Input Voltage Range: Operates from 3.5 V to 16 V, supporting USB and wall adapter inputs.
2. Battery Charging: Supports battery charging through a constant current/constant voltage (CC/CV) algorithm with programmable charge current.
3. Power Path Management: Allows for simultaneous battery charging and system operation, providing power to the system load directly from the adapter when available.
4. High Efficiency: Synchronous switch-mode operation for optimal power conversion efficiency.
5. Protections: Includes safety features such as battery overvoltage, charging current limit, and thermal regulation.
6. Status Monitoring: Offers status outputs for charge status and USB power good indications.
7. I2C Interface: Supports communication for real-time control and monitoring.
8. Compact Package: Available in a 24-pin QFN package for space-constrained applications.
This combination of features makes it suitable for a variety of portable electronic devices requiring efficient power management.

Pinout

The BQ24125RHLR is a highly integrated switch-mode battery charge management and system power path management device from Texas Instruments. It typically comes in a 24-pin VQFN (Very Thin Quad Flat No-lead) package.
Key functions of the BQ24125RHLR include:
- Battery charge management: It supports charging of single-cell Li-Ion or Li-Polymer batteries.
- Power path management: Allows the system to be powered by the input source or battery, providing power to the system during battery charging.
- I2C interface: For communication and control of charging parameters.
- Integrated power FETs and current sensing for efficient charging and reduced external component count.
- Status outputs for charge and power indication.
These features make it suitable for portable and handheld devices where space and efficient power management are critical. Always refer to the manufacturer's datasheet for detailed specifications and application guidelines.

Manufacturer

The BQ24125RHLR is manufactured by Texas Instruments, a leading global semiconductor company. Texas Instruments is renowned for designing and manufacturing a wide array of electronic components, including integrated circuits, analog chips, and embedded processors. The company is recognized for its innovation and quality in the electronics industry, serving a diverse range of markets such as automotive, industrial, consumer electronics, and communications equipment. Texas Instruments is particularly known for its expertise in power management solutions, which includes battery management products like the BQ24125RHLR.

Application

The BQ24125RHLR is a battery charge management IC from Texas Instruments, designed primarily for portable devices. Its primary application areas include smartphones, tablets, digital cameras, and other handheld electronics. The device offers efficient charging for single-cell Li-Ion and Li-Polymer batteries. It is suitable for use in devices requiring USB or AC adapter charging solutions. Additionally, it can be utilized in power banks and portable media players due to its power path management and dynamic power path control features, which ensure continuous system operation even with a depleted battery. The BQ24125RHLR is ideal for compact, power-sensitive applications.

Package

The BQ24125RHLR is a battery charger IC from Texas Instruments, provided in a 24-pin VQFN (Very Thin Quad Flat No-lead) package. The VQFN package is compact, enhancing thermal performance and suitable for space-constrained applications.