TPS2816DBVT Equivalent & Substitute Parts

Part Overview

The TPS2816DBVT is a low-side gate driver IC manufactured by Texas Instruments, designed for driving N-Channel MOSFETs in power management applications. This device operates with an inverting input configuration and is packaged in SOT-23-5 surface mount format. The TPS2816DBVT is currently in Last Time Buy status, indicating end-of-life production. Identifying qualified substitute components is essential for design continuity and long-term supply chain reliability.

Substiute Parts

TPS2816DBVT

Texas InstrumentsIn Stock: 2041TPS2816DBVT Datasheet

Current PartRFQ

UCC27518DBVR

Texas InstrumentsIn Stock: 25390UCC27518DBVR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TPS2816DBVT is determined by the following critical parameters:

• Driven Configuration: Must be Low-Side
• Channel Type: Must be Single channel
• Number of Drivers: Must be 1
• Input Type: Must be Inverting
• Package / Case: Must be SC-74A, SOT-753 (SOT-23-5)
• Gate Type Compatibility: Must support N-Channel MOSFET operation
• Supply Voltage Range: Must encompass or exceed 4V ~ 14V minimum requirement
• Peak Output Current: Must meet or exceed 2A source and sink capability
• Operating Temperature Range: Must cover -40°C ~ 125°C minimum
• Compliance: Must maintain ROHS3 compliance and REACH unaffected status

The UCC27518DBVR meets all substitution criteria while offering enhanced electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The UCC27518DBVR is a qualified substitute for the TPS2816DBVT based on the following engineering criteria:

Functional Compatibility: Both devices are single-channel, low-side gate drivers with inverting input configuration in identical SOT-23-5 packaging. The UCC27518DBVR supports both N-Channel MOSFET and IGBT gate driving, providing broader application flexibility.

Electrical Performance: The UCC27518DBVR exceeds the TPS2816DBVT specifications in peak output current (4A versus 2A) and switching speed (8ns/7ns rise/fall time versus 14ns). Supply voltage range is extended to 4.5V ~ 18V, accommodating broader system designs.

Regulatory Compliance: Both devices maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for industrial and commercial applications.

Product Status: The TPS2816DBVT is Last Time Buy, while the UCC27518DBVR is Active production status with 25,300 units in stock, providing superior long-term availability and supply chain security.

Thermal Performance: The UCC27518DBVR extends the operating temperature range to -40°C ~ 140°C, supporting applications requiring enhanced thermal margin.

Frequently Asked Questions (FAQ)

Q: Can the UCC27518DBVR directly replace the TPS2816DBVT in existing designs?

A: Yes. Both devices share identical package geometry (SOT-23-5), pin configuration for low-side gate driving, and inverting input logic. No PCB layout modifications are required. The UCC27518DBVR's enhanced current capability and faster switching characteristics are backward compatible with TPS2816DBVT applications.

Q: What are the key differences between these two gate drivers?

A: The UCC27518DBVR provides higher peak output current (4A versus 2A), faster switching transitions (8ns/7ns versus 14ns), extended supply voltage range (4.5V ~ 18V versus 4V ~ 14V), and broader gate type support (IGBT and N-Channel MOSFET versus N-Channel MOSFET only). Operating temperature range extends to 140°C.

Q: Are there any supply voltage considerations when substituting?

A: The UCC27518DBVR minimum supply voltage is 4.5V, compared to 4V for the TPS2816DBVT. Designs operating below 4.5V require verification. The maximum voltage rating of 18V accommodates higher supply systems compared to the TPS2816DBVT's 14V limit.

Q: Does the UCC27518DBVR support IGBT gate driving?

A: Yes. The UCC27518DBVR is specified for both N-Channel MOSFET and IGBT gate driving applications, providing design flexibility beyond the TPS2816DBVT's MOSFET-only specification.

Q: What is the impact of faster switching times on circuit design?

A: The UCC27518DBVR's faster rise and fall times (8ns/7ns versus 14ns) reduce switching delays and improve gate drive timing precision. This may reduce EMI in high-frequency switching applications. Existing designs do not require modification, as the faster switching is a performance enhancement.

Q: Are both devices available in the same packaging options?

A: Both devices are supplied in SC-74A, SOT-753 (SOT-23-5) surface mount packaging. The UCC27518DBVR is available in Cut Tape and Digi-Reel packaging options, while the TPS2816DBVT is in Tape & Reel format.