🔥 Why Boot Capacitor (BTST Cap) Is Important in Charging IC? | 5G Charging Switching Explanation
Why is the Boot Capacitor (BTST Cap) Important in Charging ICs? | 5G Charging Switching Explanation
In this video, you'll find a full, in-depth explanation of the Boot Capacitor (BTST Capacitor)—
how this capacitor turns on the high-side MOSFET in the charging IC,
what its role is in the switching circuit, and its importance in 4G and 5G mobile charging ICs.
Everything is explained with practical and theoretical evidence.
This video will cover:
🔹What is the function of Boot Capacitor/BTST?
🔹 How to get the gate voltage of High-Side MOSFET?
🔹Buck converter switching cycle
🔹Regn output ka working
🔹 Function of BTST pin in BQ based charging IC (BQ25601)
🔹 Fault finding – BTST cap short, leakage, no charging
🔹 Practical testing with ESP32 without CPU / PMIC / EMMC
🔹 Boost strap capacitor behavior in real mobile board
If you are learning mobile repairing, charging IC repairing, or schematic understanding, then this video gives advanced knowledge.
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