Texas Instruments

BQ24200DGN

BQ24200DGN Description

The BQ24200DGN from Texas Instruments is a highly integrated single-cell Li-Ion/Polymer battery charger IC designed for compact, portable applications. Housed in an 8-pin MSOP package, it supports a 4.2V battery pack voltage with a maximum charge current of 500mA. The device operates with a wide input voltage range (up to 13.5V), making it suitable for various power sources, including USB and AC adapters. Its constant-current/constant-voltage (CC/CV) charging ensures efficient and safe battery replenishment, while programmable features like charge current and timer enhance flexibility.

BQ24200DGN Features

• Single-Cell Charging: Optimized for 1-cell Li-Ion/Polymer batteries with a 4.2V termination voltage.
• Programmable Charging: Adjustable current (up to 500mA) and timer for tailored charging profiles.
• Robust Protection: Integrated over-temperature (OTP) and short-circuit protection safeguard the battery and system.
• Compact & Efficient: Surface-mount MSOP-8 package ideal for space-constrained designs.
• Compliance & Reliability: ROHS3 compliant, REACH unaffected, and MSL 1 (unlimited) for industrial durability.
• Wide Input Range: Supports up to 13.5V input, accommodating diverse power sources.

BQ24200DGN Applications

• Portable Electronics: Ideal for smartwatches, Bluetooth headsets, and fitness trackers due to its compact size and low charge current.
• IoT Devices: Suitable for wireless sensors and wearables requiring reliable, low-power charging.
• Medical Devices: Used in hearing aids and portable monitors where safety and efficiency are critical.
• Consumer Gadgets: Fits e-readers, digital cameras, and other USB-powered devices.

Conclusion of BQ24200DGN

The BQ24200DGN stands out as a versatile, space-efficient Li-Ion/Polymer charger with programmable features and robust protection mechanisms. Its wide input range and compliance with industry standards make it a reliable choice for portable and low-power applications. Whether for consumer electronics, IoT, or medical devices, this IC delivers safe, efficient, and compact charging solutions, outperforming generic alternatives with its TI-engineered reliability.