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Product Detailed Parameters
- Description：IC HOT SWAP CTRLR -48V 14TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Type：Hot Swap Controller
- Number of Channels：1
- Internal Switch(s)：No
- Applications：-48V
- Features：Auto Retry
- Programmable Features：Current Limit, Fault Timeout, OVP, UVLO
- Voltage - Supply：-80V ~ -35V
- Current - Output (Max)：-
- Operating Temperature：-40°C ~ 85°C
- Current - Supply：300 µA
- Mounting Type：Surface Mount
- Package / Case：14-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：14-TSSOP
- Grade：-
- Qualification：-
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Overview
The ADM1073ARUZ is a full-feature -48 V hot swap controller manufactured by Analog Devices Inc. It provides comprehensive protection for circuit boards during insertion into live backplanes. The device integrates an internal N-channel MOSFET driver and supports external current sensing. Key electrical parameters include a supply voltage range of -80V to -35V and a typical supply current of 300 µA. It operates within a temperature range of -40°C to +85°C and is housed in a 14-TSSOP package.
Feature Summary
- Integrates programmable current limiting, fault timeout, overvoltage protection (OVP), and undervoltage lockout (UVLO) for robust system protection.
- Features automatic retry capability to restore power after transient faults without manual intervention.
- Designed specifically for -48 V telecommunications and industrial applications requiring safe board insertion.
Applications
- -48 V telecommunications equipment
- Industrial control systems
- Telecom backplane card insertion
Procurement Notes
Verify the exact suffix designation when ordering, as the 'Z' indicates RoHS compliance. Confirm that the obsolete status of the non-Z variant does not impact long-term availability requirements. Ensure compatibility with existing PCB footprints designed for the 14-TSSOP package. Cross-reference datasheet revisions to confirm pinout consistency if replacing older inventory.
Selection Notes
Select this component for designs requiring integrated protection in -48 V environments. Consider the 14-TSSOP package size constraints against available board space. Evaluate the need for external current sense resistors versus internal sensing options. Verify that the operating temperature range meets the specific environmental conditions of the target application.
Part Context
The ADM1073 series belongs to Analog Devices' portfolio of power management ICs focused on hot swap controllers. This family addresses the critical need for protecting expensive hardware during maintenance or expansion in live systems. The ARU variant represents the standard plastic lead frame package version of this controller.
Replacement Considerations
The direct substitute is the ADM1073ARU. Verify functional equivalence before substitution, noting that the original part may be discontinued. Ensure that any replacement maintains the same 14-TSSOP footprint and electrical characteristics for seamless integration.
