The BU77700KVT Charging / Voltage Detector IC is a widely used ROHM component in laptop motherboards and embedded systems that require accurate voltage sensing and system-level monitoring. Often referred to as an IO KBC Controller, this IC plays a critical role in detecting undervoltage or overvoltage conditions and coordinating system protection logic.
Its TQFP-100 package makes it suitable for compact laptop designs, and it is commonly found in power-control sections of consumer electronics, IT hardware, and advanced embedded boards. By monitoring voltage rails between 1.6V and 6V, the BU77700KVT helps maintain platform reliability and protects key components like CPU, GPU, memory, and IO devices.
At OKSpare Nehru Place, the BU77700KVT is available in ready stock for both wholesale and retail customers. All ICs are quality-tested, ensuring reliable performance for motherboard repair engineers and electronics developers.
- IC ready stock OKSpare
- IC supplier OKSpare
- IC available at OKSpare









