Hot Stock: BQ24070RHLR

The BQ24070RHLR by Texas Instruments is a highly integrated Li-Ion linear charger and system power path management device targeted at space-limited portable applications.

This integrated circuit (IC) is designed for single-cell lithium-ion or lithium-polymer battery applications. The BQ24070RHLR powers the system while independently charging the battery.

In this blog, we will explore the key features and applications of the BQ24070RHLR.

Key Features:

Integrated Dynamic Power-Path Management (DPPM)

This feature allows the AC adapter to simultaneously power the system and charge the battery. The DPPM ensures that the system receives power directly from the AC adapter while managing the battery charging process efficiently.

Power Supplement Mode

In the circumstance where the AC input current is insufficient, the battery can supplement the AC input to ensure uninterrupted system operation. This feature is particularly useful in applications with fluctuating power demands.

Supports Up to 2 A Total Current

This IC can handle up to 2 A of total current—suitable for applications with high current demands.

Autonomous Power Source Selection

The BQ24070RHLR automatically selects the power source (AC adapter or battery) based on availability. This ensures the system operates continuously even when one power source is disconnected or unavailable.

Thermal Regulation for Charge Control

The IC features thermal regulation for controlled charging. This protects the device from overheating and ensures safe operation under various conditions.

Charge Status Outputs

The device features outputs for LED or system interfaces to indicate charge and fault conditions.

Reverse Current, Short-Circuit, and Thermal Protection

These built-in safety features protect both the IC and the battery from damage due to reverse currents, short circuits, or excessive temperature.

Power Good Status Outputs

This feature provides a status output to indicate when the input power is present and above a certain threshold.

Output Voltage Options

The BQ24070RHLR offers both 4.4-V and 6-V options for system output regulation voltage, making it adaptable to various system requirements.

Compact Package

The integrated circuit is perfectly suited for portable applications that have limited space, thanks to its compact 3.5-mm × 4.5-mm VQFN package.

Key Applications:

• Smartphones
• Personal digital assistants (PDAs)
• MP3 Players
• Digital Cameras
• Handheld devices
• Internet Appliances

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