HR1000AGS

AC DC Converters, Offline Switchers Overview

The HR1000AGS is a resonant half-bridge controller designed for offline AC-DC conversion applications. It operates within an input voltage range of 13 V to 15.5 V and supports switching frequencies up to 600 kHz. The device features a 50% duty cycle with complementary drive signals and includes an internal fixed dead-time of 350 ns to ensure zero-voltage switching. It utilizes a SOIC-16 surface-mount package and functions across a temperature range of -40°C to +125°C.

AC DC Converters, Offline Switchers Feature Summary

• Provides two drive-signal channels outputting complementary signals at a 50% duty cycle for resonant half-bridge topology
• Integrates a high-side gate driver capable of withstanding 600V with high dV/dt noise immunity and an integrated bootstrap diode
• Features a programmable oscillator allowing variable frequency control to regulate output voltage and prevent inrush current during startup

AC DC Converters, Offline Switchers Applications

• Offline resonant half-bridge power supplies
• AC-DC converter designs requiring high-frequency operation
• Power management systems utilizing variable frequency modulation

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix (Z, P, or none) against the datasheet to confirm packaging and availability status. Confirm RoHS compliance details as indicated in official documentation. Ensure the selected variant matches the required tape-and-reel or cut-tape specifications for the manufacturing process. Cross-reference the part number with the manufacturer's active product list to avoid obsolete components.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring a dedicated resonant half-bridge controller with integrated high-side driving capabilities. The fixed 350 ns dead-time simplifies layout by ensuring safe switching transitions without external timing adjustments. Consider the 600V withstand capability when selecting external MOSFETs. The variable frequency control allows for optimized efficiency across varying load conditions compared to fixed-frequency alternatives.

AC DC Converters, Offline Switchers Part Context

The HR1000AGS belongs to the HR1000 series from Monolithic Power Systems, specifically engineered for resonant half-bridge topologies. It serves as a foundational controller for offline power converters, distinguishing itself through integrated bootstrap diodes and high dV/dt immunity. This series focuses on simplifying external circuitry while maintaining robust protection features for industrial and consumer power applications.

AC DC Converters, Offline Switchers Replacement Considerations

HR1000AGS-P and HR1000AGS-Z are alternative packaging variants of the same functional device. For new designs, consider the HR1001B as an enhanced alternative featuring adaptive dead-time control and capacitive mode protection.