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Silergy Corporation SQ33607QYQ | Demoboard SQ33607QYQ
High Frequency & High Efficiency 802.3at Solution
Overview
| Topology | Flyback Converter |
| Input voltage | 42.5-57 V |
| Output 1 | 12 V / 2.1 A |
Description
The SQ33607 is a fully integrated IEEE 802.3 af/at PoE compliant Powered Device (PD) power supply controller. It includes the PD interface and a high efficiency PSR/SSR Flyback controller.The PD interface has all the functions to comply with IEEE 802.3af/at, including detection, 1-event and 2-event classification, ~100mA inrush current limit, 900mA operation current limit, auto maintain power signature (AMPS), as well as 100V rated Hot-swap MOSFET. The PD interface also supports Auxiliary Adaptor Oring and type-2 indicator.
Features
- Fully Compatible with 802.3af/at Specifications
- 100V 0.45Ω PD Integrated Pass Switch
- 30W maximum power
- 100mA PD Inrush Current limit
- 900mA PD Normal Operation Current Limit
- Auxiliary Adaptor ORing Support
- Primary-Side Regulated (PSR) Flyback (250kHz/400kHz Selectable)
- Secondary-Side Regulated (SSR) Flyback (Programmable Frequency)
- Output Diode Compensation in PSR Mode
- Cycle-by-Cycle Current Sense Limit
- Precision Voltage Reference
- Frequency Modulation for EMI reduction
- Programmable Soft-start
- OLP Compensation for Wide-Input Range
- Externally Programmable Thermal Shutdown
- Programmable Line Under Voltage Lockout (UVLO) with Adjustable Hysteresis
- Hiccup Protection for OLP, SCP, OVP and Thermal Shutdown
Typical applications
- Video Telephones, WLAN Access Points
- IoT Devices
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | xPxC | Type | Shielding | Tab | EMI | Application System | IR(A) | Working Voltage(V (AC)) | Packaging | Data rate | Ports | PoE | Improved CMRR | Operating Temperature | VT(V (RMS)) | Mount | L(µH) | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWR-MJ Cat 3 Modular Jacks – THT, 8P8C, Horizontal | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-MJ Cat 3 Modular Jacks – THT | Number of Pins (xPxC)8P8C | TypeHorizontal | ShieldingShielded | Tab PositionDown | EMI FingersNo | Application SystemCAT 3 | Rated Current1.5 A | Working Voltage120 V (AC) | PackagingTray | – | Ports1x1 | – | – | Operating Temperature -40 °C up to +85 °C | – | MountTHT | – | –Check availability | ||
 | SPECWE-LAN LAN Transformer, –, 4PPoE (to 1400 mA) | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LAN LAN Transformer | – | Type4PPoE (to 1400 mA) | – | – | – | – | – | – | – | Data rate1000 Base-T | Ports1 | PoE4PPoE (up to 1500 mA) | Improved Common Mode RejectionNo | Operating Temperature -40 °C up to +105 °C | Insulation Test Voltage1500 V (RMS) | MountSMT | Inductance180 µH | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
––– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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