The SC17710YBA is a system power management IC (PMIC) manufactured by SII Semiconductor Corporation. This integrated circuit is designed to efficiently manage power distribution and regulation within various electronic devices, contributing to improved system performance and extended battery life. It integrates multiple power management functions into a single chip, reducing the number of discrete components required on a printed circuit board (PCB).

Applications

• Smartphones and mobile devices: Managing power for the processor, display, memory, and other peripherals.
• Tablets: Providing efficient power distribution and regulation.
• Portable media players: Optimizing power consumption for extended playback time.
• Wearable devices (smartwatches, fitness trackers): Managing power in compact, battery-powered devices.
• IoT (Internet of Things) devices: Providing power management in low-power, connected devices.

Features

• Multiple voltage rails: Provides several regulated voltage outputs to power different components within the system.
• High efficiency DC-DC converters: Ensures minimal power loss during voltage conversion, maximizing battery life.
• Low quiescent current: Minimizes power consumption when the device is in standby or idle mode.
• Over-voltage protection (OVP): Protects the device from damage due to excessive input voltage.
• Over-current protection (OCP): Protects the device from damage due to excessive output current.
• Short-circuit protection (SCP): Protects the device from damage due to short circuits on the output.
• Thermal shutdown: Protects the device from damage due to overheating.
• I2C interface: Allows for programmable control and monitoring of power management functions.

Benefits

• Extended battery life: High-efficiency DC-DC converters and low quiescent current minimize power consumption.
• Reduced system size and cost: Integration of multiple power management functions reduces the number of discrete components required.
• Improved system reliability: Built-in protection features prevent damage due to voltage and current surges.
• Simplified system design: Integrated I2C interface allows for easy configuration and monitoring.
• Enhanced system performance: Stable and regulated voltage outputs ensure optimal performance of all system components.

Additional Details

The SC17710YBA typically operates with an input voltage range of 2.7V to 5.5V. It provides multiple regulated output voltages, typically ranging from 0.8V to 3.3V, with adjustable output current capabilities. The specific output voltage and current configurations can be programmed via the I2C interface. The device is available in a compact package, such as a QFN package, suitable for space-constrained applications. The device also includes a power-good output signal which indicates when the output voltages are within the specified range, enabling the system to properly sequence the power-up and power-down of the various components.