Overview
The LM3658SDEV/NOPB is a highly integrated power management IC (PMIC) developed by Texas Instruments. Designed for portable and battery-powered applications, this product combines a high-efficiency switching charger with a wide input voltage range, making it ideal for modern consumer electronics and IoT devices. Its compact form factor and advanced features position it as a competitive solution for space-constrained designs targeting efficient power management and extended battery life.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.35 to 6.5 | V | |
| Charging Current | Up to 1.5 | A | Programmable |
| Battery Voltage Range | 3.5 to 4.44 | V | |
| Switching Frequency | 1.5 | MHz | Typical |
| Operating Temperature Range | -40 to 85 | °C | |
| Package | WSON | - | 10-pin |
| Efficiency | Up to 92 | % | Typical |
| Protection Features | Overvoltage, Overcurrent, Thermal Shutdown | - |
Key Features
- High-efficiency switching charger for fast and reliable battery charging.
- Wide input voltage range (4.35V to 6.5V) for compatibility with various power sources.
- Programmable charging current up to 1.5A for flexible application requirements.
- Integrated protection features including overvoltage, overcurrent, and thermal shutdown.
- Compact 10-pin WSON package for space-constrained designs.
Applications
The LM3658SDEV/NOPB is widely used in portable and battery-powered devices, including smartphones, tablets, wearable devices, and IoT applications. Its efficient power management capabilities make it particularly suitable for designs requiring extended battery life and reliable charging performance. Additionally, its compact form factor and advanced features enable its use in space-constrained industrial and consumer electronics.
Q & A
1. What is the input voltage range of the LM3658SDEV/NOPB?
The input voltage range is 4.35V to 6.5V.
2. What is the maximum charging current supported?
The maximum charging current is 1.5A, which is programmable.
3. What is the typical switching frequency?
The typical switching frequency is 1.5MHz.
4. What protection features are integrated?
It includes overvoltage, overcurrent, and thermal shutdown protection.
5. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
6. What package does the LM3658SDEV/NOPB use?
It comes in a 10-pin WSON package.
7. Is this IC suitable for IoT devices?
Yes, its compact size and efficient power management make it ideal for IoT applications.
8. Can it be used in wearable devices?
Yes, its small form factor and low power consumption are well-suited for wearable devices.
9. What is the typical efficiency of the charger?
The typical efficiency is up to 92%.
10. Is the charging current adjustable?
Yes, the charging current is programmable up to 1.5A.
