ADP1046AWACPZ-R7

Overview

The ADP1046AWACPZ-R7 is a flexible, digital secondary side controller designed for AC-to-DC and isolated DC-to-DC applications. It integrates typical PWM controller functions, including seven PWM control signals, programmable loop filters, and voltage line feedforward. The device features an I2C interface for extensive programming and telemetry, alongside dedicated soft start, remote/local voltage sense, and current sharing capabilities.

Feature Summary

• Integrates all typical PWM controller functions with seven dedicated PWM control signals
• Features a digital control loop with integrated programmable loop filters
• Includes dedicated soft start filter and programmable voltage line feedforward
• Supports primary and secondary side current sensing with synchronous rectifier control

Applications

• AC-to-DC power supplies
• Isolated DC-to-DC power supplies
• Redundant power supply systems
• Server, storage, network, and communications infrastructure

Procurement Notes

Verify the specific suffix 'W' against official Analog Devices documentation to confirm package or temperature range variations. Ensure compatibility with existing design constraints before procurement. Confirm availability status through authorized distributors as supply conditions may vary.

Selection Notes

Select this component for designs requiring digital secondary side control with enhanced efficiency via voltage feedforward. It serves as a pin-compatible upgrade to the ADP1043A, offering improved loop response and extensive fault detection. Suitable for applications needing precise telemetry and programmable protection thresholds.

Part Context

This part belongs to the ADP1046A series of digital controllers. It is functionally related to the ADP1043A but includes enhancements such as voltage feedforward. Evaluation boards like the ADP1046A-100-EVALZ are available for testing the core ADP1046A functionality in various topologies.

Replacement Considerations

The ADP1046A is pin-compatible with the ADP1043A. Verify that the ADP1043A meets the specific performance requirements, particularly regarding loop response and feedforward capabilities, before substituting.