TPS2815P Equivalent & Substitute Parts

Part Overview

The TPS2815P is a low-side gate driver IC manufactured by Texas Instruments, designed for driving N-Channel MOSFETs in power management applications. This device features inverting logic configuration and operates across a 4V to 14V supply voltage range. The TPS2815P is currently in Last Time Buy status, indicating end-of-life production. Identifying qualified substitute components is essential for design continuity and long-term product support.

Substiute Parts

TPS2815P

Texas InstrumentsIn Stock: 2447TPS2815P Datasheet

Current PartRFQ

UCC27524P

Texas InstrumentsIn Stock: 2338UCC27524P Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TPS2815P is determined by the following critical parameters:

• Package Compatibility: Both devices must use 8-DIP (0.300", 7.62mm) through-hole packaging to ensure direct PCB footprint compatibility
• Driven Configuration: Low-side driver topology must be maintained
• Number of Drivers: Dual-channel configuration (2 drivers) is required
• Supply Voltage Range: The substitute must operate within or encompass the 4V to 14V supply range
• Output Current Capability: Peak source and sink current ratings must meet or exceed 2A per channel
• Gate Type Compatibility: N-Channel MOSFET driving capability is mandatory; IGBT compatibility is acceptable as an enhancement
• Regulatory Compliance: RoHS3 compliance and EAR99 classification must be maintained

The UCC27524P qualifies as a substitute based on these parameters. While it features non-inverting logic (versus the TPS2815P's inverting configuration), it maintains identical package geometry, dual low-side driver topology, and exceeds the electrical performance specifications of the original device.

Parameter Comparison

Engineering Selection Recommendations

The UCC27524P is the qualified substitute for the TPS2815P based on the following criteria:

Package and Mechanical Compatibility: Both devices are housed in 8-DIP (0.300", 7.62mm) through-hole packages, enabling direct PCB footprint replacement without layout modifications.

Functional Equivalence: Both devices provide dual low-side gate driver channels suitable for N-Channel MOSFET applications. The UCC27524P extends compatibility to IGBT gate driving, providing broader application flexibility.

Electrical Performance: The UCC27524P exceeds the TPS2815P specifications in all critical parameters. Supply voltage range extends from 4.5V to 18V (versus 4V to 14V), peak output current increases to 5A per channel (versus 2A), and switching speed improves with 7ns/6ns rise/fall times (versus 14ns/15ns).

Regulatory and Compliance Status: Both devices maintain ROHS3 compliance and EAR99 classification. The UCC27524P carries Active product status, ensuring long-term availability and manufacturing support, whereas the TPS2815P is in Last Time Buy status.

Logic Configuration Consideration: The UCC27524P employs non-inverting logic compared to the TPS2815P's inverting configuration. Circuit design modifications are required to accommodate this logic inversion, including signal conditioning or firmware adjustments in the gate drive control logic.

Frequently Asked Questions (FAQ)

Q: Can the UCC27524P be used as a direct pin-for-pin replacement for the TPS2815P?

A: The UCC27524P shares identical 8-DIP package geometry and pinout compatibility. However, the logic inversion difference (non-inverting versus inverting) requires circuit design review. Gate drive signal polarity must be verified and adjusted in the control logic to ensure correct MOSFET switching behavior.

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

A: The primary differences are input logic type (inverting versus non-inverting), supply voltage range (4V–14V versus 4.5V–18V), peak output current (2A versus 5A), and switching speed (14ns/15ns versus 7ns/6ns rise/fall times). The UCC27524P also supports IGBT gate driving in addition to N-Channel MOSFETs.

Q: Is the UCC27524P suitable for applications requiring the original 4V minimum supply voltage?

A: The UCC27524P minimum supply voltage is 4.5V, which is 0.5V higher than the TPS2815P. Applications operating at exactly 4V supply voltage require verification that the UCC27524P can function reliably at the actual minimum supply voltage in the target circuit.

Q: Will the faster switching speed of the UCC27524P affect circuit performance?

A: The UCC27524P's faster rise and fall times (7ns/6ns versus 14ns/15ns) reduce gate drive delay and improve MOSFET switching characteristics. This generally enhances efficiency and reduces switching losses. Circuit stability and EMI performance should be evaluated in the target application.

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

A: Both the TPS2815P and UCC27524P are available in 8-DIP through-hole packaging with tube packaging. No alternative package options are specified for either device in this reference.

Q: What is the impact of the higher peak output current rating of the UCC27524P?

A: The UCC27524P's 5A peak output current (versus 2A) provides greater gate drive capability, enabling faster MOSFET switching and improved performance with larger gate capacitances. This enhancement is backward-compatible with applications designed for 2A output current.