Smart SR Converter HYC9030



USB PD and Quick Chargers
AC/DC offline adaptor


HYC9030 is a high integration smart digital control synchronous rectifier controller together with SR MOSFET in one package. It drives the standard N-channel power MOSFET to replace Schottky in order to achieve the high efficiency. HYC9030 incorporates the digital control technology to optimize the multi-mode operation at DCM/PFM/CCM/QR in the different applications. The digital control technology further enhances the robust CCM operation. Adaptive pre-turning off scheme not only guarantees the fast transition but also minimizes switching loss. The adaptive pre-turnoff scheme optimizes the EMI due to the soft SR MOSFET switching off transition. HYC9030 integrates 15mΩ SR MOSFET to minimize the external BOM and optimize the system performance.

HYC9030 is available with SOP8 package.


SR Controller

· Low-side synchronous rectification without auxiliary winding

· Supports Multi-Mode operation: DCM, CCM, PFM and QR

· Wide output voltage range:3.0V-25V

· VDD bias clamped at 8V

· 4.8V Minimum VDD for VIN>3.0V

· Adaptive pre-turn off driver speeding up turn off transition

· Selectable option for T_OFF_MIN

· Selectable option for pre-off threshold

· Shoot through protection (STP)

· Optimized switching loss and EMI

· Low quiescent current


· 15mΩ RDS_ON

· 100% avalanche tested

· 65V VDS break down

· Pb-free lead plating, RoHS compliant

· Halogen-free according to IEC61249-2-21


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