The SC2434HTSTR is a high-performance, low-power wireless charging transmitter IC from Semtech Corporation, designed for use in a variety of applications, including mobile devices, wearables, and other consumer electronics. This integrated circuit enables efficient wireless power transfer to compatible receiver devices, adhering to industry standards and offering advanced features for optimal performance and safety.

Applications:

• Wireless charging pads for smartphones
• Wireless charging stands for smartwatches and fitness trackers
• Embedded wireless charging solutions in furniture
• Wireless charging transmitters for automotive consoles
• Wireless power transfer for medical devices

Features:

• Compliant with Wireless Power Consortium (WPC) Qi standard
• Supports up to 15W of power transfer
• Advanced Foreign Object Detection (FOD) to prevent overheating and damage
• Integrated full-bridge inverter
• Adaptive power control for optimal efficiency
• Over-voltage, over-current, and over-temperature protection
• Low standby power consumption

Benefits:

• Enables convenient and cable-free charging solutions
• Enhanced safety with advanced FOD and protection features
• Improved energy efficiency through adaptive power control
• Reduced system cost with integrated components
• Faster time-to-market with a proven and reliable solution

Additional Details:

The SC2434HTSTR operates using a resonant inductive coupling method, where power is transferred wirelessly from the transmitter to a compatible receiver. The integrated full-bridge inverter generates the necessary AC signal to drive the transmitter coil, while the adaptive power control optimizes the power transfer based on the receiver's requirements and the coupling conditions. The advanced FOD system monitors the charging environment for any metallic objects that could cause excessive heat, and it automatically shuts down the power transfer to prevent potential hazards. The 'TR' suffix typically indicates that this is the tape and reel version for automated assembly processes. The SC2434HTSTR is typically packaged in a small, thermally efficient package, making it suitable for integration into a wide range of products. It requires minimal external components, further simplifying the design process.