The TMC1275M7C20 is a power management integrated circuit (PMIC) designed and manufactured by ON Semiconductor (formerly Fairchild Semiconductor). This PMIC integrates various power conversion and management functions into a single chip, offering a compact and efficient solution for a wide range of electronic devices.

Applications

• Smartphones and Tablets: Used for efficient power management and battery charging.
• Portable Media Players: Regulates power for audio and video playback.
• Handheld Gaming Devices: Provides stable power for processing and display functions.
• Digital Cameras: Manages power distribution and battery charging.
• Wearable Devices: Enables compact and efficient power solutions for smartwatches and fitness trackers.

Features

• Integrated Buck Converter: High-efficiency step-down DC-DC conversion.
• Low Dropout Regulator (LDO): Provides stable output voltage with low voltage drop.
• Battery Charger: Integrated charging circuitry for Lithium-ion batteries.
• Over-Voltage Protection (OVP): Protects the device from excessive input voltage.
• Over-Current Protection (OCP): Prevents damage from excessive current draw.
• Thermal Shutdown Protection: Shuts down the device in case of overheating.
• I2C Interface: Allows for digital control and monitoring of power management functions.

Benefits

• High Efficiency: Minimizes power loss and extends battery life.
• Compact Size: Reduces board space requirements.
• Integrated Functionality: Simplifies system design and reduces component count.
• Robust Protection: Ensures reliable operation and prevents damage from faults.
• Programmable Settings: Allows for flexible configuration to meet specific application requirements.

Additional Details

The TMC1275M7C20 operates with a wide input voltage range, typically from 2.7V to 5.5V, making it suitable for various battery-powered applications. Its integrated buck converter offers high efficiency, converting the input voltage to the required output voltage with minimal power loss. The LDO provides a stable and regulated voltage for sensitive components. The integrated battery charger supports various charging profiles, allowing for optimized charging of Lithium-ion batteries. The I2C interface enables digital control of parameters such as output voltage, current limits, and protection thresholds. The device is available in a small form factor package, making it suitable for space-constrained applications.