SM5451 Power Management IC for Mobile Charging Control

SM5451 Power Management IC for Mobile Charging Control

SM5451 IC is a mobile charging and power control chip used in smartphones to manage battery charging, regulate voltage, and protect against overcurrent or overheating during charge cycles.

Features

• Intelligent fast-charging regulation
• USB-C Power Delivery (PD) compatibility
• Multi-stage voltage and current control
• Battery temperature monitoring for safety
• Stable charging performance for extended battery life

Technical Specifications

Supported Models / Compatibility

• Found in Qualcomm Snapdragon-based smartphones
• Common in Xiaomi, Vivo, Oppo, Realme, and Samsung mid/high-end models
• Works alongside CPU PMIC for complete power regulation
• Check board compatibility before installation

IC Details & Version Info

• IC Model: SM5451
• IC Type: Power Management IC (Charging Controller)
• Package Type: BGA
• Function: Battery charging control, USB-C PD support, thermal protection
• Condition: 100% Original New
• Version: Qualcomm charging solution IC

Benefits & Uses of this IC

• IC used in mobile phones for managing and protecting battery charging
• Uses of SM5451 IC include solving no charging, slow charging, or overheating during charge issues
• Enhances battery lifespan by providing stable charge cycles
• Essential for restoring charging function in faulty smartphones

Installation Tips

• Use a BGA rework station for precise replacement
• Always confirm IC code on the original board before installation
• Apply quality flux and preheat PCB to prevent pad damage
• Only trained technicians should attempt chip replacement

Package Includes

• 1x SM5451 Power Management

Frequently Asked Questions (FAQs)

• Q1. What is the function of the SM5451 IC?
• A: It regulates and manages battery charging in smartphones, ensuring safe and efficient power delivery.
• Q2. Which devices use SM5451 IC?
• A: Many Snapdragon-powered smartphones from Xiaomi, Oppo, Realme, Vivo, and Samsung.
• Q3. Can this IC fix fast-charging issues?
• A: Yes, it restores fast-charging capability if the problem is IC-related.
• Q4. Is SM5451 interchangeable with other charging ICs?
• A: No, always use the exact IC code for compatibility.
• Q5. Is this chip original?
• A: Yes, it’s 100% original and unused.