HR1002GS Z

HR1002 is an enhanced LLC controller that provides robust adaptive dead-time adjustment (ADTA) and capacitive mode protection (CMP), as well as improved functional surge performance. ADTA automatically inserts a dead time between the two complimentary gate outputs. This is ensured by keeping the outputs off while sensing the dV/dt current of the half-bridge switching node. ADTA simplifies the design and provides lower EMI, as well as higher efficiency. The HR1002 incorporates capacitive mode protection, which prevents potentially destructive capacitive mode switching if the output is shorted or is severely overloaded. This feature protects the MOSFET during abnormal conditions to provide a robust converter. The HR1002 has a configurable oscillator that sets both the maximum and minimum switching frequencies. Applications include LCD and PDP TVs, desktop PCs and servers, telecom SMPS, AC/DC adapters, open-frame SMPS, power tools, video game consoles and electronic lighting ballasts.

• Overcurrent protection (OCP) with configurable delay for enhanced surge performance
• 50% duty cycle, variable frequency control for resonant half-bridge converter
• 600V high-side gate driver with integrated bootstrap diode, oscillator, high dV/dt immunity
• Operates up to 600KHz
• Two-level overcurrent protection: frequency shift and latched shutdown with configurable duration
• Latched disable input for easy protection
• Remote on/off control and brownout protection through BO
• Configurable burst mode operation under light-load conditions
• Non-linear soft start for monotonic output voltage rising
• Available in SOIC-16 package

Notes

MPS part numbers ending in "-P" and "-Z" are the same parts. P & Z only indicates reel size.