**ADP5062ACPZ-1-R7: A Complete Guide to the High-Efficiency Battery Charger IC**

The **ADP5062ACPZ-1-R7** from Analog Devices is a highly integrated, **linear battery charger IC** designed for single-cell Li-Ion and Li-Polymer batteries. It represents a state-of-the-art solution for portable devices where space, efficiency, and reliable power management are paramount. This IC is specifically engineered to operate from a USB port or a standalone AC-to-DC adapter, making it exceptionally versatile for a wide range of applications.

**Key Features and Specifications**

At its core, the ADP5062ACPZ-1-R7 is built for **high-efficiency charging**. It integrates a power FET, a reverse-blocking diode, and a current sensor, eliminating the need for many external components and saving valuable board space. A standout feature is its **programmable charging parameters**. The charge current (up to 1.5A), termination voltage (4.2V or 4.35V for newer chemistries), and other critical settings can be easily configured via an I²C interface. This allows designers to tailor the charging profile precisely to their specific battery, optimizing both safety and longevity.

The charger supports a wide input voltage range from 3.9V to 5.5V, ensuring compatibility with various power sources. Its sophisticated thermal regulation loop is crucial for maintaining **optimal performance and safety**. By continuously monitoring the die temperature, the IC automatically reduces the charge current if an over-temperature condition is imminent, preventing damage to both the charger itself and the end device.

**Advanced Functionality for Modern Devices**

Beyond basic charging, the ADP5062ACPZ-1-R7 includes several advanced functions. It features a built-in **battery detection** algorithm that can initiate a charging cycle even with a deeply discharged battery. The IC provides multiple status outputs, such as CHG (active during charging) and VBAT_OK (indicating a valid battery voltage), which can be used to drive LEDs or communicate with a host microcontroller.

Furthermore, it incorporates comprehensive safety protections, including:

* **Input Over-Voltage Protection (OVP)**

* **Battery Over-Voltage Protection**

* **Thermal Shutdown**

* **Safety Timer**

**Typical Applications**

This charger IC is ideal for space-constrained, battery-powered consumer electronics. Its primary applications include:

* **Smartphones and Tablets**

* **Portable Medical Devices and Diagnostics**

* **Bluetooth Headsets and Wearables**

* **Digital Cameras and Portable Audio Equipment**

* **Various IoT and Handheld Devices**

**ICGOODFIND**: The ADP5062ACPZ-1-R7 stands out as a premier solution for modern portable electronics, offering a blend of high integration, flexible programmability, and robust safety features. Its ability to maximize charging efficiency and ensure reliable operation from multiple input sources makes it an excellent choice for designers aiming to create compact, high-performance, and safe battery charging systems.

**Keywords**: Battery Charger IC, High-Efficiency, I²C Programmable, Thermal Regulation, Li-Ion