Brief description
KOP9012B is a signal chain chip designed for AC over-zero detection, which can provide accurate AC over-zero signal synchronization pulse output for the back-end MCU in a variety of isolated control board systems for system clock or communication synchronization, Thyristor phase-cutting control, power-down detection, etc. The system consumes less than 30mW of power, and does not pick up the optocoupler and meets the long term use of the CTR attenuation of a stable and reliable over-zero signal output. Stable and reliable over-zero signal output.
Performance characteristics
Designed for AC over-zero detection
Direct drive optocoupler isolates the zero crossing signal
Less than 30mW power consumption
Zero crossing signal is not affected by optocoupler degradation
Fully compatible with CTR without picking the optocoupler
Application areas
Appliances
Netcom
Powerline Carrier
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