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Monolithic Power Systems (MPS) HR1002 LLC Controller exemplifies a robust adaptive dead-time adjustment (ADTA) and capacitive mode protection (CMP), along with an improved functional surge performance.
The ADTA automatically inserts a dead time between the two complementary gate outputs, ensured by keeping the outputs off while sensing the dV/dt current of the half-bridge switching node. Additionally, the ADTA simplifies the design delivers lower EMI and higher efficiency.
The MPS HR1002 LLC Controller includes capacitive mode protection, which prevents potentially destructive capacitive mode switching if the output is short or severely overloaded. Furthermore, the capacitive mode protection protects the MOSFET during abnormal conditions to provide a robust converter. Under light-load conditions, the HR1002 enters a controlled burst mode to minimize power consumption and tighten the output regulation.
The device facilitates full protection features, including two-level overcurrent protection (OCP) with an external latched shutdown, auto-recovery, brown-in and brownout, capacitive mode protection (CMP), and over-temperature protection (OTP).
The HR1002 Controller is housed in a SOIC-16 package and requires minimal external components.
