The XC9216A13CMRN is a synchronous step-down DC-DC converter IC from Torex Semiconductor Ltd. This highly integrated device combines a control IC and an inductor in a single package, which simplifies circuit design and reduces the overall footprint. It's designed for applications demanding high efficiency and compact size.

Applications

• Power management in portable electronics
• Smartphones and other handheld devices
• Wearable technology (smartwatches, fitness trackers)
• IoT (Internet of Things) devices
• Wireless modules

Features

• Integrated Inductor: Reduces the number of external components and simplifies board layout.
• Synchronous Rectification: Improves efficiency by using a MOSFET for rectification instead of a diode.
• High Efficiency: Minimizes power loss and heat generation, resulting in longer battery life.
• Low Quiescent Current: Reduces power consumption when the device is in standby mode.
• Compact Package: Small package size allows for use in space-constrained applications.
• Soft-Start Function: Limits inrush current during startup, preventing voltage drops and ensuring stable operation.
• Overcurrent Protection (OCP): Protects the converter and load from excessive current.
• Thermal Shutdown Protection (TSD): Protects the converter from overheating.

Benefits

• Reduced PCB Area: The integrated inductor and compact package minimize the required board space.
• Longer Battery Life: High efficiency and low quiescent current contribute to extended battery life in portable applications.
• Simplified Design: Integration of the inductor simplifies the design process and reduces component count.
• Enhanced Reliability: Overcurrent and thermal shutdown protection features ensure robust and reliable operation.
• Stable Operation: The soft-start function ensures stable operation during startup, preventing voltage drops.

Additional Details

The XC9216A13CMRN operates with an input voltage range typically from 2.5V to 5.5V. The output voltage is fixed at 1.3V. It employs a PWM control scheme. Key specifications include a switching frequency (typically around 3 MHz), operating temperature range, and package dimensions. The 'N' suffix likely indicates a specific packaging or lead finish variation. The device complies with RoHS standards.