Overview
The ADP1053ACPZ-R7, produced by Analog Devices Inc., is a highly flexible and feature-rich digital controller designed for isolated and nonisolated DC-to-DC power supply applications. Based on a voltage mode PWM architecture, this controller enables the implementation of intelligent power management techniques to enhance energy efficiency at the system level. It provides comprehensive control, monitoring, and protection for up to three independent channel outputs, making it an ideal solution for a variety of power supply configurations.
Key Specifications
| Parameter | Description |
|---|---|
| Package Type | 40-lead LFCSP (6 mm × 6 mm) |
| Supply Voltage | 3.3 V |
| PWM Frequency Range | 50 kHz to 625 kHz |
| Number of PWM Outputs | 8 (configurable as 3 independent channels) |
| Protection Features | OVP, OCP, UVP, OTP (2 independent OTP circuits) |
| Interface | PMBus/I2C compliant |
| Memory | On-board 8 kByte EEPROM |
| Operating Temperature | Dependent on specific grade, typically -40°C to 125°C |
Key Features
- Differential voltage sensing and fast current sensing
- Flexible start-up sequencing and tracking
- Synchronization between devices to reduce low frequency system noise
- Programmable fault protection sequence and power-on (PSON) function
- Power-good monitoring for each channel
- Volt-second balance and dual-phase current balance for interleaved configurations
- Graphical user interface (GUI) for ease of programming
- Accurate current sensing and overcurrent limit protections
- Two overtemperature protection circuits with 100 kΩ thermistors
- Built-in checksum and redundancy of critical circuits for improved system reliability
Applications
- AC-to-DC power supplies
- Isolated DC-to-DC power supplies
- Intermediate rail power supplies
- Nonisolated DC-to-DC power converters
Q & A
- What is the primary function of the ADP1053ACPZ-R7?
The ADP1053ACPZ-R7 is a digital controller designed for isolated and nonisolated DC-to-DC power supply applications, providing control, monitoring, and protection for up to three independent channel outputs.
- What is the package type and size of the ADP1053ACPZ-R7?
The ADP1053ACPZ-R7 comes in a 40-lead LFCSP package with dimensions of 6 mm × 6 mm.
- What is the frequency range of the PWM outputs?
The PWM outputs can be programmed individually from 50 kHz to 625 kHz.
- What protection features are included in the ADP1053ACPZ-R7?
The controller includes overvoltage protection (OVP), overcurrent protection (OCP), undervoltage protection (UVP), and overtemperature protection (OTP) with two independent OTP circuits.
- How is the ADP1053ACPZ-R7 programmed and monitored?
The controller is PMBus/I2C compliant, allowing for programming and monitoring through this interface. It also features a graphical user interface (GUI) for ease of use.
- What memory does the ADP1053ACPZ-R7 have?
The controller includes an on-board 8 kByte EEPROM for storing programmed values and instructions.
- What are some of the key applications for the ADP1053ACPZ-R7?
Key applications include AC-to-DC power supplies, isolated DC-to-DC power supplies, intermediate rail power supplies, and nonisolated DC-to-DC power converters.
- How does the ADP1053ACPZ-R7 enhance system reliability?
The controller enhances system reliability through built-in checksum and redundancy of critical circuits, and it can capture and store fault data for analysis.
- What is the supply voltage for the ADP1053ACPZ-R7?
The supply voltage for the ADP1053ACPZ-R7 is 3.3 V.
- Can the PWM outputs be synchronized?
