Introducing the LM3420M5X-8.2 Battery Charge Controller

The LM3420M5X-8.2 is a dedicated charge controller integrated circuit (IC) designed by Texas Instruments (TI), a leader in semiconductor solutions. This IC is specifically engineered for managing the charging process of single-cell lithium-ion (Li-ion) batteries. With its precision voltage regulation, the LM3420M5X-8.2 ensures that Li-ion batteries charge safely and efficiently, making it an ideal choice for a wide range of portable electronic applications.

At the heart of this controller is a fixed 8.2V charge voltage regulation that offers accuracy within ±1%, which is critical for maintaining the longevity and performance of Li-ion batteries. The compact SOT-23 package makes the LM3420M5X-8.2 a space-saving solution, suitable for the increasingly miniaturized electronic devices.

Key features of the LM3420M5X-8.2 include:

• Precision Voltage Regulation: The device ensures that the Li-ion batteries are charged within their safe operating limits.
• Low Dropout Voltage: Its low dropout operation enhances charging efficiency and is ideal for applications where the input voltage is close to the battery voltage.
• Temperature Range: The device operates over a wide temperature range, making it suitable for various environments and applications.
• Automatic Recharge: It features an automatic recharge cycle to keep the battery topped up without overcharging it.
• Charge Status Output: An additional pin provides a charge status output signal that can be used to indicate whether the battery is still charging or has completed its charge cycle.

Whether it's for personal electronics, handheld devices, or other portable applications, the LM3420M5X-8.2 provides a reliable and straightforward solution for Li-ion battery charging. Its design simplifies the implementation of a charging circuit, reducing the time-to-market for product developers.

With Texas Instruments' reputation for quality and performance, the LM3420M5X-8.2 is a trustworthy component for ensuring that your devices are powered efficiently and safely. For detailed technical specifications, application notes, and support resources, visit the Texas Instruments website or contact their customer support team.