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Product Detailed Parameters
- Description：IC HOT SWAP CTRLR GP 16TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tube,Tube
- 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：3V ~ 8V
- Current - Output (Max)：-
- Operating Temperature：0°C ~ 70°C
- Current - Supply：1 mA
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Grade：-
- Qualification：-
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Overview
The UCC3919PW is a hot swap power manager from Texas Instruments designed for single-channel industrial applications. It operates within a supply voltage range of 3 V to 8 V and is housed in a 16-pin TSSOP package. The device supports surface mount installation and functions across an operating temperature range of -40°C to +85°C. Key electrical parameters include a maximum supply voltage of 8 V, a minimum of 3 V, and a quiescent current of 1 mA. It features one channel and is classified under PMIC - Power Management ICs.
Feature Summary
- Integrated circuit breaker functionality with programmable current limit and fault timeout
- Supports auto-retry and latched fault modes for robust system protection
- Includes undervoltage lockout (UVLO) for stable operation during power transitions
Applications
- General purpose hot swap controller implementations
- Industrial equipment requiring safe board insertion and removal
- Systems needing overcurrent protection without external switches
Procurement Notes
Verify component status as the UCC3919PW is listed as obsolete or end-of-life by the manufacturer. Confirm availability through authorized distributors or secondary markets. Ensure compatibility with existing PCB footprints and design requirements before procurement. Check for moisture sensitivity levels and storage conditions if sourcing from non-original channels.
Selection Notes
Select this component for applications requiring integrated hot swap control in a compact TSSOP-16 package. It is suitable for systems operating between 3 V and 8 V that need built-in current limiting and fault management. Consider its obsolete status when planning long-term production runs and evaluate alternative active parts if future supply stability is critical.
Part Context
The UCC3919 belongs to the UCC2919 family of hot swap controllers manufactured by Texas Instruments. These devices are part of the broader PMIC portfolio focused on power distribution and protection. The PW suffix indicates the TSSOP-16 package variant. This series is designed to simplify the implementation of safe hot swapping in industrial and general-purpose electronic systems.
Replacement Considerations
The TPS24700DGK is identified as a potential replacement option for the UCC3919PW. Verify pin compatibility and electrical specifications before substitution.
