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  4. LLC Controller Enhanced LLC Controller with Adaptive Dead Time Control HR1001A (Monolithic Power Systems, Inc.)
LLC Controller Enhanced LLC Controller with Adaptive Dead Time Control HR1001A-HR1001A
LLC Controller Enhanced LLC Controller with Adaptive Dead Time Control HR1001A-Monolithic Power Systems, Inc.

LLC Controller Enhanced LLC Controller with Adaptive Dead Time Control HR1001A
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

HR1001A is an OCP automatic recovery version of HR1001B. The HR1001A is an enhanced LLC controller that offers new features such as Adaptive Dead Time Adjustment (ADTA) and Resonance Off Protection (CMP). Adaptive dead time adjustment 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 HR1001A has built-in anti-resonance out-of-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 HR1001A includes a programmable oscillator that sets both maximum and minimum switching frequencies. It starts at its maximum programmed switching frequency and decays until the control loop takes over to prevent excessive inrush current. The HR1001A enters controlled burst mode at light loads to minimize power consumption and enhance output regulation. The device offers rich protection features such as two-level OCP, auto-recovery, externally latched shutdown, power recovery/outage, CMP, and OTP, improving the safety of converter designs with minimal external components.

■Features and benefits

・Two-level overcurrent protection: automatic recovery mode with programmable frequency shift and duration ・Adaptive dead time adjustment ・Resonance shift protection ・50% duty cycle, variable frequency control of resonant half-bridge converter ・600V high-side gate driver with integrated bootstrap diode with high dV/dt tolerance ・High precision oscillator - Operates up to 600kHz ・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 ・Provided in SOIC-16 package

  • Product

    LLC Controller Enhanced LLC Controller with Adaptive Dead Time Control HR1001A

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1 Models of LLC Controller Enhanced LLC Controller with Adaptive Dead Time Control HR1001A

Image Part Number Price (excluding tax) Control Method High-Voltage Start-Up Type Typical Pmax (W) Package (mm)
LLC Controller Enhanced LLC Controller with Adaptive Dead Time Control HR1001A-Part Number-HR1001A

HR1001A

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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