TPPM0115DR Equivalent & Substitute Parts

Part Overview

The TPPM0115DR is a buck regulator positive output step-down DC-DC controller IC manufactured by Texas Instruments in 8-SOIC packaging. This device functions as a transistor driver for two-phase buck topology applications with a 200kHz switching frequency and 11.4V to 12.6V supply voltage range. The part is currently in Last Time Buy status, indicating end-of-life production. Identifying equivalent and substitute parts is necessary to ensure design continuity and maintain supply chain reliability for applications requiring this controller functionality.

Substiute Parts

TPPM0115DR

Texas InstrumentsIn Stock: 15496TPPM0115DR Datasheet

Current PartRFQ

TPS51383RJNR

Texas InstrumentsIn Stock: 3666TPS51383RJNR Datasheet

MFR RecommendedRFQ

TPS53015DGSR

Texas InstrumentsIn Stock: 5210TPS53015DGSR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the TPPM0115DR is determined by the following critical parameters: buck topology function, transistor driver output type, positive output configuration, synchronous rectifier capability, and surface mount packaging. The TPPM0115DR operates as a multi-phase controller with a fixed 200kHz switching frequency and 11.4V to 12.6V supply voltage specification.

Two substitute parts are identified based on functional equivalence within Texas Instruments' power management portfolio:

TPS53015DGSR maintains the closest functional alignment as a buck regulator controller with transistor driver output, positive output configuration, and synchronous rectifier support. This part operates across a wider supply voltage range (4.5V to 28V) and higher switching frequency (500kHz), with single-phase output architecture.

TPS51383RJNR provides an alternative buck switching regulator with fixed output voltage (3.36V), 8A output current capability, and synchronous rectifier integration. This part represents a fully integrated regulator rather than a controller-only topology, with single output configuration and higher switching frequency (600kHz).

Parameter Comparison

Engineering Selection Recommendations

TPS53015DGSR is the primary substitute candidate for applications requiring controller-based buck topology with transistor driver output. This part maintains active product status and ROHS3 compliance. The extended supply voltage range (4.5V to 28V) accommodates broader input specifications compared to the TPPM0115DR's 11.4V to 12.6V range. The higher switching frequency (500kHz) enables smaller passive component sizing. Operating temperature range extends to -40°C to 85°C, providing improved thermal coverage. MSL rating of 2 (1 Year) requires standard moisture control during storage and handling.

TPS51383RJNR serves as an alternative for applications where a fully integrated buck regulator with fixed 3.36V output and 8A current capability meets system requirements. This part offers the widest operating temperature range (-40°C to 125°C junction temperature) and highest switching frequency (600kHz). However, the fixed output voltage and single-output configuration represent functional differences from the TPPM0115DR's dual-output controller architecture. RoHS status is not applicable for this part.

Both substitute parts are manufactured by Texas Instruments and maintain active product status, ensuring long-term availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can TPS53015DGSR directly replace TPPM0115DR in existing designs?

A: TPS53015DGSR provides functional equivalence as a buck controller with transistor driver output and synchronous rectifier support. However, design verification is required due to differences in package type (10-VSSOP versus 8-SOIC), single-phase versus dual-phase output architecture, and switching frequency (500kHz versus 200kHz). Pin configuration and control feature implementation must be evaluated against the original design schematic.

Q: What are the key differences between TPS53015DGSR and TPS51383RJNR?

A: TPS53015DGSR is a controller IC requiring external power stage components, while TPS51383RJNR is a fully integrated regulator with internal power switches. TPS53015DGSR supports variable output voltage through external feedback networks, whereas TPS51383RJNR provides fixed 3.36V output. TPS53015DGSR operates at 500kHz with single-phase output; TPS51383RJNR operates at 600kHz with integrated 8A output capability.

Q: Are there package compatibility considerations?

A: Yes. TPPM0115DR uses 8-SOIC packaging (0.154", 3.90mm width). TPS53015DGSR uses 10-VSSOP packaging (10-MSOP, 0.118", 3.00mm width). TPS51383RJNR uses 12-PowerVFQFN (12-VQFN-HR, 3x2mm). PCB layout modifications are required for any package change.

Q: What is the significance of the TPPM0115DR Last Time Buy status?

A: Last Time Buy status indicates the manufacturer has discontinued production and will not accept new orders after a specified date. Substitute parts with Active product status (TPS53015DGSR and TPS51383RJNR) ensure continued availability and manufacturer support for new designs or production continuity.

Q: How do supply voltage ranges affect substitution?

A: TPPM0115DR requires 11.4V to 12.6V supply voltage. TPS53015DGSR accepts 4.5V to 28V, providing broader input compatibility. TPS51383RJNR accepts 4.5V to 24V input voltage. Applications with supply voltages outside the TPPM0115DR range may benefit from these wider specifications.

Q: What moisture sensitivity considerations apply?

A: TPPM0115DR has MSL 1 (Unlimited), requiring no special moisture control. Both substitute parts have MSL 2 (1 Year), requiring storage in controlled humidity environments and baking before reflow soldering if shelf life exceeds one year. Standard moisture barrier packaging and handling procedures apply.