The LM3622AMX-4.1 is a dedicated lithium-ion battery charge management integrated circuit produced by Texas Instruments, a leader in semiconductor solutions. Designed to facilitate safe and efficient charging of single cell lithium-ion batteries, this device is a crucial component in a wide range of portable electronic devices such as smartphones, tablets, digital cameras, and other personal electronics that rely on rechargeable batteries.
Key Features
- Precision Charging: The LM3622AMX-4.1 ensures that lithium-ion batteries are charged to their precise end-of-charge voltage of 4.1V, which is critical for maintaining battery health and longevity.
- Charge Termination: To prevent overcharging, the device includes an automatic charge termination feature once the battery reaches its targeted voltage.
- Temperature Monitoring: Safety is enhanced with an integrated temperature monitoring feature that suspends charging if it detects that the battery temperature is outside of the safe charging range.
- Charge Status Output: A status output pin provides real-time charge status, which can be used to signal to the user or system that the charging process is active, complete, or in a fault condition.
- Low Power Consumption: The device is designed for energy efficiency, which not only conserves power but also minimizes heat generation during the charging process.
Applications
The LM3622AMX-4.1 is versatile and can be used in a variety of applications that require reliable charging solutions for lithium-ion batteries. Its small form factor and high level of integration make it suitable for:
- Portable Computing Devices
- Wireless Communication Equipment
- Personal Digital Assistants (PDAs)
- Portable Medical Devices
Product Specifications
| Parameter |
Value |
| End-of-Charge Voltage |
4.1V |
| Package Type |
8-SOIC (Small Outline Integrated Circuit) |
| Operating Temperature Range |
-40°C to +85°C |
For engineers and device manufacturers looking for a reliable charging solution, the LM3622AMX-4.1 from Texas Instruments represents a sophisticated and efficient choice, ensuring that devices powered by lithium-ion batteries operate safely and effectively.