TLC7705QPWREP Equivalent & Substitute Parts

Part Overview

The TLC7705QPWREP is a Power Management Integrated Circuit (PMIC) supervisor from Texas Instruments, classified as a Simple Reset/Power-On Reset device. It monitors a single voltage channel with a threshold of 4.55V and provides Push-Pull, Totem Pole output configuration. The device is packaged in 8-TSSOP surface mount format and operates across the industrial temperature range of -40°C to 125°C. Currently designated as Last Time Buy, this part requires identification of equivalent alternatives for ongoing design support and procurement planning.

Substiute Parts

TLC7705QPWREP

Texas InstrumentsIn Stock: 2279TLC7705QPWREP Datasheet

Current PartRFQ

TPS3760A012DYYR

Texas InstrumentsIn Stock: 5508TPS3760A012DYYR Datasheet

MFR RecommendedRFQ

TLC7705QPWR

Texas InstrumentsIn Stock: 1903TLC7705QPWR Datasheet

Parametric EquivalentRFQ

TLC7705QPWRG4Q1

Texas InstrumentsIn Stock: 947TLC7705QPWRG4Q1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLC7705QPWREP is determined by the following critical parameters: single voltage channel monitoring, voltage threshold of 4.55V, Push-Pull/Totem Pole output configuration, Active High/Active Low reset capability, 1.1ms minimum reset timeout, 8-TSSOP package format, and surface mount mounting type. All substitute parts must maintain compatibility across these core electrical and mechanical specifications.

The substitute parts are grouped into two categories:

Parametric Equivalents (Identical Electrical and Mechanical Specifications): Parts that maintain the exact same voltage threshold, output configuration, reset characteristics, package type, and operating temperature range. These parts are direct functional replacements.

Manufacturer Recommended Substitute (Different Output Configuration): Parts that differ in output configuration (Open Drain/Open Collector versus Push-Pull/Totem Pole) and voltage threshold specifications, requiring circuit-level evaluation for compatibility.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Parametric Equivalents):

TLC7705QPWR is the primary parametric equivalent. It maintains identical electrical specifications (4.55V threshold, Push-Pull output, Active High/Active Low reset, 1.1ms minimum timeout) and mechanical packaging (8-TSSOP). Product status is Active, ensuring long-term availability and supply chain continuity. This part is the recommended choice for new designs and ongoing production requiring direct functional substitution.

TLC7705QPWRG4Q1 is a parametric equivalent with automotive-grade qualification (AEC-Q100). It maintains identical electrical and mechanical specifications but is designated as Obsolete. This part is suitable only for existing automotive applications where AEC-Q100 qualification is required and supply is confirmed available.

For Conditional Substitution (Different Output Configuration):

TPS3760A012DYYR is designated as the manufacturer-recommended substitute but differs significantly in output configuration (Open Drain/Open Collector versus Push-Pull/Totem Pole), voltage threshold (0.8V versus 4.55V), reset type (Active Low only versus Active High/Active Low), and reset timeout (100µs maximum versus 1.1ms minimum). This part requires circuit-level design evaluation and is not a direct replacement. Product status is Active.

Frequently Asked Questions (FAQ)

Q: Can TLC7705QPWR be used as a direct replacement for TLC7705QPWREP?

A: Yes. TLC7705QPWR is a parametric equivalent with identical voltage threshold (4.55V), output configuration (Push-Pull, Totem Pole), reset characteristics (Active High/Active Low), reset timeout (1.1ms minimum), package type (8-TSSOP), and operating temperature range (-40°C to 125°C). The primary difference is product status: TLC7705QPWREP is Last Time Buy while TLC7705QPWR is Active, making it the recommended choice for ongoing procurement.

Q: Is TLC7705QPWRG4Q1 suitable for all applications?

A: TLC7705QPWRG4Q1 is a parametric equivalent but is designated as Obsolete. It is suitable only for existing automotive applications where AEC-Q100 qualification is required and inventory is confirmed available. For new designs, TLC7705QPWR is the recommended alternative.

Q: Can TPS3760A012DYYR replace TLC7705QPWREP in existing designs?

A: TPS3760A012DYYR is not a direct replacement. It differs in output configuration (Open Drain/Open Collector versus Push-Pull/Totem Pole), voltage threshold (0.8V versus 4.55V), reset type (Active Low only versus Active High/Active Low), and reset timeout (100µs maximum versus 1.1ms minimum). Circuit-level design changes are required for substitution.

Q: What are the key parameters that determine substitution compatibility?

A: Substitution compatibility is determined by: single voltage channel monitoring, voltage threshold specification, output configuration type, reset polarity and type, reset timeout duration, package format (8-TSSOP or alternative), and operating temperature range (-40°C to 125°C). Deviations in any of these parameters require circuit-level evaluation.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts (TLC7705QPWR, TLC7705QPWRG4Q1, and TPS3760A012DYYR) are ROHS3 Compliant with Moisture Sensitivity Level 1 (Unlimited), matching the compliance profile of TLC7705QPWREP.

Q: What is the difference between the 8-TSSOP and SOT-23-14 Thin packages?

A: The 8-TSSOP package has 8 pins with 0.173" width and 4.40mm width specification. The SOT-23-14 Thin package has 14 pins in a thinner SOT-23 variant. These are different package formats requiring PCB layout modifications if substitution involves package change.