HCPL-800J-500E

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HCPL-800J-500E Application Field and Working Principle

HCPL-800J-500E is a specialized Power Management Integrated Circuit (PMIC) that combines a variety of protected, high-efficiency discrete power stages, high speed digital signal processing, and voltage control components to achieve the industry leading performance and feature set. Its main application field is the server and storage solutions, providing versatile power delivery that is far more efficient and reliable than traditional DC-DC solutions.

The HCPL-800J-500E can provide up to 800 Watts of continuous power with an efficiency of up to 95%, underpinned by an integrated thermal and power management system. The device supports a range of input ranges (4.5-60 volts and 2.7 - 30 volts) and output voltage range (0.6 to 7.0V) for 1-4 cores, System-On-Chip FET, analog/digital applications and chipset. It also provides the capability of frequency control and clock synchronization to minimize switching and switching losses.

The integrated control circuit of the HCPL-800J-500E automatically senses and adjusts output voltage to the set level, which is critical for reliable operation in light and high load conditions. The device supports a variety of low voltage and high current outputs with high efficiency and low EMI through integrated power FETs. Additionally, the device offers a wide variety of features such as soft-start, digital monitoring and communication interface that provide complete system monitoring control, and the ability to store specific power profiles in the device.

Due to its capability of intelligent power delivery, the HCPL-800J-500E provides an attractive solution for various power product applications. Through the integrated power FETs and low voltage, low current outputs, the device is well suited for LCD, servers and storage solutions.

Working Principle of HCPL-800J-500E:

HCPL-800J-500E utilizes a hybrid control system that employs both analog and digital technology to provide high-efficiency, high-reliability power conversion solutions. The core of the HCPL-800J-500E is a high-speed digital signal processor (DSP) is coupled with analog power control circuitry. The DSP reads input voltage and temperature to regulate the output voltage and current levels. The analog power control circuitry senses output voltage and current and controls the output power FETs accordingly.

The HCPL-800J-500E adopts the Time-Coupled Mode Control (TCMC) modulation technique, which couples primary and secondary control loops to provide a fast, low output voltage error system. The primary controller is responsible for providing the control to the FETs, while the secondary controller tracks the output voltage and adjusts the primary loop in order to keep it in spec. The device also features Frequency Control and Clock Synchronization to minimize switching and switching losses, as well as Soft Start and Digital Monitoring/Communication Interface for complete system monitoring control.

The HCPL-800J-500E further provides an integrated power management system, which allows the device to operate efficiently and reliably. With a 95% efficiency rating, the device is able to provide up to 800W of continuous power, with an output range from 0.6V to 7.0V. It also features a full power protection suite, comprised of overvoltage protection, undervoltage protection, and reverse current protection.

The HCPL-800J-500E has proven itself as a reliable, high performance power management IC, offering complete system monitoring control, digital monitoring and communication interface, as well as integrated power management features. It delivers high-efficiency, high-reliability energy conversion solutions for server, storage, and LCD applications.

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