UCC3916DPTRG4

Overview

The UCC3916DPTRG4 is a SCSI Termpower Manager designed for hot-swap applications. It integrates a 1.65A high-side MOSFET with complete power management and circuit breaker functions in an 8-SOIC package. The device operates within a supply voltage range of 4V to 6V and supports an operating temperature range of 0°C to 70°C. It features a single channel with internal switching capabilities and draws a typical supply current of 1 mA.

Feature Summary

• Provides integrated hot-swap capability with built-in circuit breaker protection for SCSI terminator power management.
• Includes a high-side MOSFET switch rated for 1.65A output current to handle load connections safely.
• Delivers comprehensive power management functions with minimal external component requirements.

Applications

• SCSI bus terminator power management
• Hot-swap controller circuits
• Communication equipment termination power

Procurement Notes

Verify the discontinued status of this component before procurement planning, as availability may be limited or restricted to surplus channels. Confirm that the 8-SOIC package dimensions and pinout match the target PCB footprint exactly. Ensure the 4-6V supply voltage range aligns with the system's available rails. Check for RoHS3 compliance if required by specific environmental regulations. Validate that the 0°C to 70°C industrial temperature range meets the operational environment requirements.

Selection Notes

Select this component specifically for SCSI terminator applications requiring integrated hot-swap control. The fixed 1.65A current limit defines the maximum load capacity; ensure system demands do not exceed this rating. The 8-SOIC package constrains thermal dissipation options compared to larger packages. Consider the 4-6V input range when designing the upstream power supply stage. Verify compatibility with existing SCSI interface standards regarding power sequencing and fault response times.

Part Context

This part belongs to the UCC3916 family of SCSI Termpower Managers from Texas Instruments. It is designed to simplify the design of SCSI systems by combining power management, hot-swap, and protection functions into a single IC. The DPTRG4 suffix indicates a tape-and-reel packaging format with lead-free composition and RoHS3 compliance.

Replacement Considerations

No direct public substitute part numbers are confirmed for this specific model in the provided documentation. As the component is discontinued, alternative solutions require evaluating general-purpose hot-swap controllers with similar current ratings and package types.

FAQ

What is the maximum output current for the UCC3916DPTRG4?

The maximum output current is 1.65A.

Does the UCC3916DPTRG4 have an internal switch?

Yes, it includes an internal high-side MOSFET switch.

What is the operating temperature range?

The operating temperature range is 0°C to 70°C.