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  4. LLC controller LLC HR1001C with enhanced surge performance (Monolithic Power Systems, Inc.)
LLC controller LLC HR1001C with enhanced surge performance-HR1001C
LLC controller LLC HR1001C with enhanced surge performance-Monolithic Power Systems, Inc.

LLC controller LLC HR1001C with enhanced surge performance
Monolithic Power Systems, Inc.

Monolithic Power Systems, Inc.'s Response Status

Response Rate

100.0%

Response Time

15.6hours

Relatively Fast Response

About This Product

■Summary

The HR1001C is an enhanced LLC controller that provides adaptive dead time adjustment (ADTA) and resonance displacement protection (CMP) features, as well as improved surge performance capabilities. ADTA automatically inserts dead time between two complementary gate outputs. This is ensured by keeping the output off while sensing the dV/dt current of the half-bridge switching node. ADTA is characterized by ease of design, low EMI, and high efficiency. The HR1001C also incorporates anti-resonance off-resonance protection to prevent potentially destructive off-resonance switching in the event of an output short circuit or severe overload. This feature protects the MOSFET during abnormal conditions and makes the converter robust. The device includes a programmable oscillator that sets both maximum and minimum switching frequencies. It starts at the maximum programmed switching frequency and decays until the control loop takes over to prevent excessive inrush current. The HR1001C enters controlled burst mode at light loads to minimize power consumption and enhance output regulation. Extensive protection features include two-level overcurrent protection (OCP) with externally latched shutdown, automatic recovery, power recovery and power outage, removed resonance protection (CMP), and overtemperature protection (OTP), increasing the safety of converter designs with a minimum of external components.

■Features and benefits

・Overcurrent protection (OCP) with programmable delay for enhanced surge performance ・Adaptive dead time adjustment (ADTA) ・Capacitive mode protection (CMP) ・50% duty cycle, variable frequency control of resonant half-bridge converter ・600V high-side gate driver with integrated bootstrap diode with high precision oscillator with high dV/dt tolerance - Operates up to 600kHz Two-level overcurrent protection (OCP): latching shutdown with programmable frequency shift and duration ・Latching of disable input for easy protection ・Remote on/off control and power outage protection through BO ・Programmable burst mode operation at light loads ・Nonlinear soft start for monolithic output voltage rise

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    LLC controller LLC HR1001C with enhanced surge performance

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1 Models of LLC controller LLC HR1001C with enhanced surge performance

Image Part Number Price (excluding tax) Control Method High-Voltage Start-Up Type Typical Pmax (W) Package (mm)
LLC controller LLC HR1001C with enhanced surge performance-Part Number-HR1001C

HR1001C

Available upon quote

Analog

No

Resonant Controller

600

SOIC-16

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About Company Handling This Product

Monolithic Power Systems, Inc.

Response Rate

100.0%

Response Time

15.6hrs

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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