Package : SOP18
RoHS : YES
The SSC9522S is a controll 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.
Data Download
Design Support
- Technical Documents
Technical Documents
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
Application
Switching power supplies for electronic devices such as:lDigital appliances
lOffice automation (OA) equipment
lIndustrial apparatus
lCommunication facilities
Specifications
| Control Method | Current Resonant |
|---|---|
| Type | Controller |
| Output Current | |
| RDS(ON) (max.) | |
| VDSS (min.) | |
| VCC (max.) | 35 V |
| Oscillating Frequency(typ.) | 28.3 to 300 kHz |
| OCP | YES |
| OLP | Latch |
| OVP | Latch |
| Brown-in / out | YES |
| TSD | Latch |
| Power Consumption at No Load | |
| Package Weight (Typ.) | |
| Automotive Qualified |
Typical Application
Block Diagram
Pin Configuration Definitions
Physical Dimensions
Selection Guide
LLC IC
| Type | Part Number | Feature |
|---|---|---|
| External power supply type | SSC9522S | Suitable for low standby power applications. |
| Built-in standby function type (Reducible in power supply size) | SSC3S901 SSC3S902 | External-signal-controlled standby mode 2 types of protection mode: Auto-restart for 901, Latch for 902. |
| SSC3S910 SSC3S921 SSC3S927 | Built-in Auto Standby Function (PFC ON/OFF Function for 921, PFC ON/OFF Function and X-capacitor Discharge Function for 927.） |
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