SY23212ATQQ (SY56815ATQQ)
IEEE 802.3 af/at-Compatible PoE
Power Device Interface with
13W High-frequency PSR Flyback Converter
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- Parameters
- Features
- Description
| Part number |
SY23212ATQQ |
| PoE standards |
af |
| Vin (min) (V) |
11 |
| Vin (max) (V) |
57 |
| PD (max)(W) |
<13W |
| Ron (typ) (mΩ) |
450 |
| Power conversion FETs integrated |
YES |
| Breakdown voltage (V) |
180V/0.65Ω |
| Features |
QR,PFM,Hiccup SCP,Hiccup OCP,Hiccup OVP,Hiccup OTP |
| Package |
QFN4×5-28 |
| Operating temperature range(°C) |
-40 to 125 |
| Functional safety category |
|
- Supports the IEEE 802.3 af/at Standard
- 100V, 0.45Ω Hot-swap Switch
- Adaptor ORing Support Power up to 13W(Input) PDs
- Primary Side Control and Internal Current Sense to Minimize Components Number
- QR-mode Operation and PWM/PFM Control for High Efficiency
- Integrate 180V,0.65Ω MOSFET for Converter
- RoHS Compliant and Halogen Free
- Compact Package: QFN4x5-28
The SY23212A is a combined Power over Ethernet (PoE) powered device (PD) solution with PD interface and optimized PSR Flyback converter integrated.
The SY23212A supports the IEEE 802.3 af/at Standard as a 13W powered device. It includes detection and classification modes, a 100V hot-swap switch, as well as the maintain power signature function. To achieve higher efficiency and better EMI performance, the SY23212A drives Flyback converters in Quasi-Resonant mode and adaptive PWM/PFM control, the maximum switching frequency is up to 600 kHz. The internal 180V, 0.65Ω MOSFET achieves good thermal performance in compact package, QFN4X5-28.
The SY23212A provides comprehensive and reliable protections including OLP, VCC OVP, cycle by cycle peak current limit, internal OTP, etc.
Evaluation Board
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Photo of evaluation board
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Photo of evaluation board
The EVB_SY23212ATQQ is intended for evaluating IEEE 802.3 af/at-Compatible PoE Power Device Interface with 13W High-frequency PSR Flyback Converter
