SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
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SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
2025/8/6
The ADM1281-1ACPZ is a high-performance integrated circuit belonging to the power management (PMIC) category, specifically designed as a hot swap controller. Hot swap controllers are critical components that enable the safe insertion and removal of modules or cards from a live backplane or power supply system without causing voltage transients, current spikes, or system disruptions. This particular model, featuring a single channel and general-purpose functionality, is engineered to provide robust protection and reliable operation in various power-sensitive applications. Housed in a 32-LFCSP-WQ (5x5) package, it offers a compact form factor that facilitates easy integration into space-constrained electronic systems, ensuring efficient power management and system integrity during hot swap operations.
Manufacturer:Analog Devices Inc.
Packaging:Tray
Part Status:Active
Type:Hot Swap Controller
Applications:General Purpose
Features:Auto Retry, Fault Timeout, Latched Fault, OVP, PMBus, UVLO
Programmable Features:Circuit Breaker, Current Limit, Fault Timeout, OVP, UVLO
Voltage - Supply:4.5V ~ 20V
Operating Temperature:-40°C ~ 85°C
VIN (Input Voltage Pin):This pin receives the input voltage from the power supply, which is then regulated and controlled for the connected module.
VOUT (Output Voltage Pin):The regulated voltage is supplied to the load or module through this pin during normal operation.
GATE (Gate Drive Pin): It provides the drive signal to an external power MOSFET, which acts as the main switch controlling the current flow to the module, enabling precise control during hot swap.
SENSE (Current Sense Pin):This pin is connected to a current sense resistor in series with the power path, allowing the controller to monitor the current flowing to the module and trigger overcurrent protection when necessary.
FAULT (Fault Indicator Pin):A logic output pin that signals the presence of a fault condition (such as overcurrent or overtemperature), providing a way for the system to detect and respond to issues.
Data Centers:Data center servers, storage arrays, and network appliances benefit from this hot swap controller. It enables the safe insertion and removal of hard drives, power supplies, and expansion cards, ensuring that critical data processing and storage operations remain uninterrupted.
Industrial Control Systems:In industrial automation and control systems, where reliability and uptime are crucial, the controller is employed to manage hot swapping of I/O modules, sensor cards, and control units. This allows for on-the-fly maintenance and reconfiguration of industrial machinery without halting production processes.
Medical Devices:Medical equipment such as patient monitors, diagnostic machines, and life support systems require high reliability. The ADM1281-1ACPZ facilitates the safe hot swapping of components like power modules or interface cards, ensuring that medical procedures are not disrupted and patient care remains uncompromised.
The ADM1281-1ACPZ is a highly reliable single-channel hot swap controller that plays a vital role in power management (PMIC) applications. With its compact 32-LFCSP-WQ (5x5) package, it offers easy integration into space-constrained systems while providing essential protection features such as overcurrent, overvoltage, and overtemperature protection. Its ability to enable safe hot swap operations makes it indispensable in telecommunications, data centers, industrial control, medical devices, and aerospace/defense systems. By ensuring system integrity during component insertion and removal, the ADM1281-1ACPZ enhances the reliability, uptime, and maintainability of electronic systems, making it a valuable component in modern power management designs.