Overview
The ADM1276-3ACPZ from Analog Devices Inc. is a highly integrated hot swap controller and power monitor designed to enhance the reliability and safety of electronic systems. This device allows for the safe insertion and removal of circuit boards from live backplanes, making it ideal for various high-reliability applications. It supports PMBus communication protocol, enabling comprehensive system management and diagnostics. The ADM1276-3ACPZ operates over a broad voltage range of 2.95V to 20V and features robust overvoltage, undervoltage lockout protections, as well as programmable current limit and fault timeout settings.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADM1276-3ACPZ |
| Type | Hot Swap Controller and Monitor |
| Voltage Supply Range | 2.95V to 20V |
| Operating Temperature | -40°C to 85°C |
| Package / Case | 20-WQFN Exposed Pad, CSP |
| Number of Pins | 20 |
| Mounting Type | Surface Mount |
| Supply Current | Typically 5 mA |
| PMBus Compatibility | Yes |
Key Features
- Integrates hot swap controller and power monitoring capabilities.
- Supports PMBus communication protocol for system management and diagnostics.
- Robust overvoltage (OVP) and undervoltage lockout (UVLO) protections.
- Programmable features include Auto Retry, Current Limit, Fault Timeout, and Latched Fault.
- Built-in current limiting to prevent damage from overcurrent events.
- Flexible programmable features for application-specific performance tuning.
- High integration saves board space and reduces system complexity.
- No internal switch, allowing for external FET selection based on application needs.
Applications
The ADM1276-3ACPZ is suitable for general-purpose hot swap applications in various sectors, including:
- Server infrastructure
- Telecom infrastructure
- Datacom infrastructure
Q & A
- What is the primary function of the ADM1276-3ACPZ?
The primary function of the ADM1276-3ACPZ is to act as a hot swap controller and power monitor, allowing safe insertion and removal of circuit boards from live backplanes.
- What is the voltage supply range of the ADM1276-3ACPZ?
The voltage supply range of the ADM1276-3ACPZ is from 2.95V to 20V.
- Does the ADM1276-3ACPZ support PMBus communication?
Yes, the ADM1276-3ACPZ supports PMBus communication protocol for system management and diagnostics.
- What are the programmable features of the ADM1276-3ACPZ?
The programmable features include Auto Retry, Current Limit, Fault Timeout, and Latched Fault.
- What is the operating temperature range of the ADM1276-3ACPZ?
The operating temperature range is from -40°C to 85°C.
- What type of package does the ADM1276-3ACPZ come in?
The ADM1276-3ACPZ comes in a 20-WQFN Exposed Pad, CSP package.
- Does the ADM1276-3ACPZ have an internal switch?
No, the ADM1276-3ACPZ does not have an internal switch, allowing for the selection of an external FET based on application needs.
- What are the key safety features of the ADM1276-3ACPZ?
The key safety features include built-in current limiting, overvoltage protection (OVP), and undervoltage lockout (UVLO).
- In which applications is the ADM1276-3ACPZ commonly used?
The ADM1276-3ACPZ is commonly used in server, telecom, and datacom infrastructure for general-purpose hot swap applications.
- What is the current status of the ADM1276-3ACPZ in terms of production and availability?
The ADM1276-3ACPZ is in production but has a Last Time Buy status, indicating that it is nearing discontinuation and future availability may be limited.
