ADP2450ACPZ-3-R7

Power Management - Specialized Overview

The ADP2450ACPZ-3-R7 is a specialized digital power management IC designed for industrial 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 within an input voltage range of 4.5 V to 36 V, providing an adjustable output voltage down to 0.6 V and a continuous output current of 500 mA. It functions at a fixed switching frequency of 1.2 MHz and supports operating temperatures from -40°C to +125°C.

Power Management - Specialized Feature Summary

• Integrates a boost shunt controller with programmable power detection to prevent power hiccups in CT-powered systems.
• Includes a high-efficiency buck regulator with supervisory circuitry for reliable microprocessor reset signaling.
• Features four low-offset programmable gain amplifiers for accurate wide-range current measurement.
• Combines a fast analog trip circuit and actuator driver for direct protection control.

Power Management - Specialized Applications

• Current transformer (CT) powered supply systems
• Low voltage molded case circuit breakers (MCCB)
• Industrial circuit breaker power management units

Power Management - Specialized Procurement Notes

Verify component authenticity through authorized Analog Devices channels due to limited availability status. Confirm package integrity and moisture sensitivity handling requirements before assembly. Cross-reference the specific suffix R7 with official documentation to ensure correct reel packaging specifications. Validate that the LFCSP-32 footprint matches the target PCB design constraints.

Power Management - Specialized Selection Notes

Select this component when designing power supplies driven by current transformers requiring integrated protection logic. The combination of boost regulation for startup and buck regulation for steady-state operation suits space-constrained breaker enclosures. Ensure the external MCU interface aligns with the integrated analog trip and PGA outputs for comprehensive system monitoring.

Power Management - Specialized Part Context

This part belongs to the ADP2450 family of specialized power management ICs. It is distinct from general-purpose DC-DC converters by its inclusion of application-specific analog trip circuits and actuators. The ADP2450ACPZ-3-EVBZ serves as the designated evaluation board for assessing performance in circuit breaker environments.

Power Management - Specialized Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult Analog Devices directly for qualified alternatives or pin-compatible upgrades if supply constraints persist.