Overview
The LM3658SDX is a highly efficient, compact battery management IC designed and manufactured by National Semiconductor. This component is specifically tailored for portable electronic devices, offering advanced power management capabilities. Its market positioning targets designers and engineers working on battery-powered applications, such as smartphones, tablets, and portable medical devices. The LM3658SDX stands out for its integration of multiple functions into a single chip, reducing the need for external components and simplifying design processes.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.35 to 6.5 | V | Supports USB and adapter inputs |
| Output Voltage | 4.2 | V | Fixed for single-cell Li-ion batteries |
| Charging Current | Up to 1.5 | A | Programmable |
| Package | WSON-10 | - | Compact footprint |
| Operating Temperature | -40 to 85 | °C | Wide range for industrial applications |
Key Features
- Integrated battery charger with power path management
- Programmable charging current for flexibility
- Thermal regulation to prevent overheating
- Low standby current for extended battery life
- Compact WSON-10 package for space-constrained designs
Applications
The LM3658SDX is widely used in portable electronic devices, including smartphones, tablets, and handheld medical equipment. Its ability to manage battery charging efficiently while minimizing heat generation makes it ideal for applications requiring reliable power management. Additionally, its compact size and low power consumption make it suitable for wearable devices and IoT applications.
Q & A
What is the input voltage range of the LM3658SDX?
The input voltage range is 4.35 to 6.5 V.
Can the charging current be adjusted?
Yes, the charging current is programmable up to 1.5 A.
What type of battery does it support?
It supports single-cell Li-ion batteries.
What is the package type?
The LM3658SDX comes in a WSON-10 package.
Does it include thermal regulation?
Yes, it features thermal regulation to prevent overheating.
What is the standby current?
The standby current is low, ensuring extended battery life.
Is it suitable for wearable devices?
Yes, its compact size and low power consumption make it ideal for wearables.
What is the operating temperature range?
It operates from -40 to 85 °C.
Does it support USB input?
Yes, it supports USB and adapter inputs.
What are the key advantages of the LM3658SDX?
Its integration of multiple functions, compact size, and efficient power management are its key advantages.
