Overview
The LM3658SDEV is a highly integrated power management solution developed by National Semiconductor. This product is designed to cater to the needs of portable electronic devices, offering efficient power management and battery charging capabilities. The LM3658SDEV is particularly well-suited for applications in smartphones, tablets, and other battery-powered devices, providing a compact and reliable solution for managing power consumption and extending battery life. Its unique selling points include its high efficiency, robust feature set, and ease of integration, making it a competitive choice in the power management IC market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.35 to 6.5 | V | |
| Output Voltage Range | 3.0 to 4.2 | V | |
| Charging Current | Up to 1.5 | A | |
| Operating Temperature | -40 to 85 | °C | |
| Package Type | QFN | 24-pin | |
| Efficiency | Up to 92 | % | |
| Battery Type | Li-Ion/Li-Polymer | ||
| Protection Features | Over-voltage, Over-current, Thermal |
Key Features
- High Efficiency: Achieves up to 92% efficiency, reducing power loss and extending battery life.
- Integrated Charging Circuit: Supports fast and safe charging of Li-Ion/Li-Polymer batteries.
- Compact Design: 24-pin QFN package ensures a small footprint, ideal for portable devices.
- Comprehensive Protection: Includes over-voltage, over-current, and thermal protection to ensure safe operation.
- Flexible Input Voltage: Wide input voltage range allows compatibility with various power sources.
Applications
The LM3658SDEV is widely used in portable electronic devices, including smartphones, tablets, and other battery-powered gadgets. Its efficient power management and charging capabilities make it an ideal choice for applications where extending battery life and ensuring reliable operation are critical. Additionally, its compact design and robust protection features make it suitable for use in industrial and automotive electronics, where space and reliability are paramount.
Q & A
1. What is the input voltage range of the LM3658SDEV?
The input voltage range is 4.35 to 6.5V.
2. What type of battery does the LM3658SDEV support?
It supports Li-Ion and Li-Polymer batteries.
3. What is the maximum charging current?
The maximum charging current is 1.5A.
4. What is the efficiency of the LM3658SDEV?
It can achieve up to 92% efficiency.
5. What protection features are included?
It includes over-voltage, over-current, and thermal protection.
6. What is the operating temperature range?
The operating temperature range is -40 to 85°C.
7. What package type does the LM3658SDEV use?
It uses a 24-pin QFN package.
8. Can the LM3658SDEV be used in automotive applications?
Yes, its robust design and protection features make it suitable for automotive applications.
9. Is the LM3658SDEV suitable for portable devices?
Yes, its compact design and efficient power management make it ideal for portable devices.
10. What is the output voltage range?
The output voltage range is 3.0 to 4.2V.
