The XC6415BB41MR is a synchronous step-down DC/DC converter IC manufactured by Torex Semiconductor Ltd. This highly integrated device combines a control IC and an inductor into a single package, simplifying circuit design and minimizing board space. It's optimized for applications requiring compact size, high efficiency, and stable power delivery.

Applications

• Mobile phones and smartphones
• Portable media players
• Wearable devices (smartwatches, fitness trackers)
• Digital cameras and camcorders
• IoT (Internet of Things) devices

Features

• Integrated Inductor: Reduces external component count and board space.
• Synchronous Rectification: Improves efficiency by minimizing power loss during switching.
• PWM/PFM Control: Automatically switches between PWM and PFM modes for optimal efficiency across a wide load range.
• Soft-Start Function: Limits inrush current during startup, preventing voltage overshoot and ensuring stable operation.
• Under Voltage Lockout (UVLO): Shuts down the converter if the input voltage drops below a certain threshold, protecting the load.
• Over Current Protection (OCP): Limits the output current to a safe level, preventing damage to the converter and the load.
• Thermal Shutdown Protection (TSD): Shuts down the converter if the junction temperature exceeds a safe level.
• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 4.1V (fixed)
• Output Current: Up to 600mA

Benefits

• Compact Solution: Integration of the inductor significantly reduces the overall size of the power supply circuit.
• High Efficiency: Synchronous rectification and PWM/PFM control contribute to high efficiency, extending battery life in portable applications.
• Simplified Design: Fewer external components and a highly integrated design streamline the design process and reduce time-to-market.
• Reliable Operation: Built-in protection features ensure reliable operation and prevent damage from overcurrent, overtemperature, and undervoltage conditions.
• Stable Output Voltage: The soft-start function and stable control loop ensure a stable output voltage, even under varying load conditions.

Additional Details

The XC6415BB41MR is available in a compact package, typically a CL-2025. The device’s high switching frequency allows for the use of smaller external capacitors, further minimizing the overall solution size. The control scheme is designed for excellent transient response, ensuring a stable output voltage during sudden load changes. The device is RoHS compliant and lead-free. Operating temperature range is typically -40°C to +85°C.