The SSC9522S is a controller IC (SMZ* method) for half-bridge resonant type power supply, incorporating a floating drive circuit for the high-side power MOSFET drive. The product achieves high efficiency, low noise and high cost-performance power supply systems with few external components.
*SMZ; Soft-switched Multi-resonant Zero Current switch (All switching periods work with soft switching operation.)

Features

●Built-in floating drive circuit for high-side power MOSFET
●Soft Start Function
●Capacitive Mode Operation Detection Function(Pulse-by-pulse)
●Automatic Dead Time Adjustment Function
●Brown-in and Brown-out Function
●Protections:
High-side Driver UVLO Protection
External Latched Shutdown Function
Overcurrent Protection (OCP): Three steps protection corresponding to overcurrent levels
Overload Protection (OLP): Latched shutdown
Overvoltage Protection (OVP): Latched shutdown
Thermal Shutdown (TSD): Latched shutdown

Electrical Characteristics
●Absolute maximum rating of VCC pin is 35 V
●Minimum oscillation frequency is 28.3kHz (typ.)
●Maximum oscillation frequency is 300 kHz (typ.)

Application

●Digital appliance
●Office automation equipment
●Industrial equipment
●Communication equipment, etc