LM3658SD/NOPB

Product Overview

Category

The LM3658SD/NOPB belongs to the category of battery charger ICs.

Use

It is used for charging single-cell Li-ion or Li-polymer batteries in portable applications.

Characteristics

• Input Voltage Range: 4.5V to 6.5V
• Charge Current: Up to 1A
• Integrated Power FET and Current Sensor
• Thermal Regulation and Protection
• Status Indication LEDs

Package

The LM3658SD/NOPB comes in a small 10-pin WSON package, making it suitable for space-constrained designs.

Essence

This IC is essential for efficiently and safely charging single-cell Li-ion or Li-polymer batteries in portable devices.

Packaging/Quantity

The LM3658SD/NOPB is typically available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 6.5V
• Charge Current: Up to 1A
• Preconditioning of Deeply Discharged Cells
• Thermal Regulation and Protection
• Automatic Recharge

Detailed Pin Configuration

1. VIN (Input Supply Voltage)
2. GND (Ground)
3. TS (Thermal Sense)
4. PROG (Charge Current Programming)
5. STAT (Status Indicator Output)
6. CE (Charge Enable)
7. BAT (Battery Connection)
8. VSS (System Ground)
9. ILIM (Input Current Limit)
10. VOUT (Regulated Output Voltage)

Functional Features

• Integrated Power FET and Current Sensor
• Thermal Regulation and Protection
• Automatic Recharge
• Status Indication LEDs
• Programmable Charge Current

Advantages and Disadvantages

Advantages

• Small package size
• Integrated power FET and current sensor
• Efficient thermal regulation and protection

Disadvantages

• Limited to single-cell battery charging

Working Principles

The LM3658SD/NOPB regulates the charging of single-cell Li-ion or Li-polymer batteries by controlling the charge current and monitoring the battery temperature. It ensures safe and efficient charging while protecting the battery from overcharging and overheating.

Detailed Application Field Plans

The LM3658SD/NOPB is commonly used in various portable electronic devices such as smartphones, tablets, portable media players, and handheld gaming consoles. Its compact size and efficient charging capabilities make it ideal for space-constrained applications where reliable battery charging is essential.

Detailed and Complete Alternative Models

Some alternative models to the LM3658SD/NOPB include: - MCP73831 - BQ24075 - MAX1555 - LTC4054

These alternatives offer similar functionality and are suitable for charging single-cell Li-ion or Li-polymer batteries in portable applications.

In conclusion, the LM3658SD/NOPB is a versatile battery charger IC with efficient charging capabilities and integrated protection features, making it an essential component for portable electronic devices.

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