ADP2450ACPZ-2-R7

Power Management - Specialized Overview

The ADP2450ACPZ-2-R7 is a specialized power management IC designed for current transformer (CT) powered circuit breaker applications. It integrates a boost shunt controller with power detection, a high-efficiency buck regulator, four low-offset programmable gain amplifiers, a low-offset operational amplifier, a fast analog trip circuit, and an actuator driver. The device operates with an input voltage range of 4.5V to 36V. The buck regulator provides adjustable output voltages down to 0.6V with up to 500mA continuous output current at a fixed 1.2MHz switching frequency.

Power Management - Specialized Feature Summary

• Integrates a boost shunt controller with power detection to prevent power hiccups in CT-powered systems.
• Includes a high-efficiency buck regulator operating in PWM mode with a fixed 1.2MHz switching frequency.
• Features four low-offset, low-power programmable gain amplifiers for accurate wide-range current measurement.
• Contains a dedicated fast analog trip circuit and actuator driver for direct protection control.

Power Management - Specialized Applications

• Low voltage circuit breakers
• Molded case circuit breakers (MCCB)
• Current transformer (CT) powered supply systems

Power Management - Specialized Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout and functional variations. Ensure compatibility with the intended PCB layout and external component selection. Confirm availability status through authorized distributors as supply levels may vary. Validate that the selected variant meets all electrical requirements for the target circuit breaker application before integration.

Power Management - Specialized Selection Notes

Select this component for designs requiring integrated power generation from current transformers alongside precise signal conditioning and protection logic. The inclusion of multiple amplifiers and an analog trip circuit reduces external component count. Ensure the system design accommodates the 1.2MHz switching frequency for optimal ripple performance. Verify that the microcontroller interface requirements align with the supervisory and control signals provided by the IC.

Power Management - Specialized Part Context

This part belongs to the ADP2450 family of professional power management ICs from Analog Devices. The family is specifically engineered for industrial circuit breaker applications, combining power conversion and signal processing capabilities. The ADP2450 series simplifies the design of CT-powered devices by integrating essential functions into a single package, reducing board space and complexity compared to discrete solutions.

Power Management - Specialized Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.