Overview
The BQ24103RHLR is a highly efficient, single-cell lithium-ion battery charger IC manufactured by Texas Instruments. Designed for portable applications, this component integrates a synchronous PWM controller, power MOSFETs, and a battery management system to provide a compact and reliable charging solution. Its market positioning targets portable devices such as smartphones, tablets, and other consumer electronics, offering a competitive edge with its high efficiency, thermal regulation, and safety features.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.35 to 6.45 | V | Supports USB and adapter inputs |
| Charge Current | Up to 1.5 | A | Programmable via external resistor |
| Battery Voltage Range | 3.5 to 4.44 | V | Supports single-cell Li-ion batteries |
| Efficiency | Up to 92 | % | High efficiency for thermal management |
| Operating Temperature | -40 to 85 | °C | Wide temperature range for robustness |
| Package | QFN-20 | - | Compact form factor |
Key Features
- Integrated Power MOSFETs: Reduces external component count and PCB space.
- Thermal Regulation: Automatically adjusts charge current to prevent overheating.
- Safety Features: Includes over-voltage, over-current, and thermal shutdown protection.
- Programmable Charge Current: Allows customization for different battery capacities.
- USB Compatibility: Supports USB input for universal charging solutions.
Applications
The BQ24103RHLR is widely used in portable electronic devices, including smartphones, tablets, and portable medical devices. Its compact design and high efficiency make it ideal for applications where space and thermal management are critical. Additionally, its safety features ensure reliable operation in consumer electronics and industrial applications.
Q & A
What is the maximum input voltage supported by the BQ24103RHLR?
The maximum input voltage is 6.45V.
Can the charge current be adjusted?
Yes, the charge current is programmable via an external resistor.
What type of battery does this IC support?
It supports single-cell lithium-ion batteries.
Does it include thermal protection?
Yes, it features thermal regulation and shutdown protection.
Is the BQ24103RHLR compatible with USB inputs?
Yes, it supports USB input for charging.
What is the efficiency of this charger IC?
It offers up to 92% efficiency.
What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
What package does the BQ24103RHLR come in?
It is available in a QFN-20 package.
Does it include over-voltage protection?
Yes, it includes over-voltage protection.
What are the typical applications of this IC?
It is commonly used in smartphones, tablets, and portable medical devices.
