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Product Detailed Parameters
- Description：IC HOT SWAP CTRLR GP 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Bulk
- Type：Hot Swap Controller
- Number of Channels：1
- Internal Switch(s)：No
- Applications：General Purpose
- Features：UVLO
- Programmable Features：Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault
- Voltage - Supply：-48V
- Current - Output (Max)：-
- Operating Temperature：0°C ~ 70°C
- Current - Supply：1 mA
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The UCC3921DTR is a latchable negative floating hot swap power manager from Texas Instruments. It operates within a supply voltage range of -9.999 kV to -10.5 V and functions at a minimum operating temperature of -40°C and a maximum of +85°C. The device is housed in an SOIC-8 surface-mount package. It provides complete power management, hot swap, and fault handling capabilities for negative floating systems.
Feature Summary
- Provides integrated hot swap and fault handling for negative floating applications
- Features latchable operation for robust fault protection
- Supports single-channel control with adjustable current limiting
Applications
- Negative floating hot swap power management
- Fault handling in industrial power systems
- Single-channel power controller applications
Procurement Notes
Verify the specific suffix and revision level against the manufacturer's latest documentation to ensure compatibility with system requirements. Confirm that the negative voltage specifications align with the target circuit design. Check for any end-of-life notices or alternative part recommendations from Texas Instruments before finalizing procurement plans.
Selection Notes
Select this component for designs requiring negative floating hot swap capabilities with latchable fault protection. Ensure the input voltage range matches the system's negative supply rails. Consider the SOIC-8 package constraints for PCB layout. Verify thermal performance within the specified -40°C to +85°C operating temperature range for the intended environment.
Part Context
The UCC3921DTR belongs to the UCC3921 family of latchable negative floating hot swap power managers. This series is designed to provide comprehensive power management solutions for applications involving negative voltage supplies. The DTR suffix indicates a tape and reel packaging format suitable for automated assembly processes.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material.
