CAT150089SWI-GT3 Equivalent & Substitute Parts

Part Overview

The CAT150089SWI-GT3 is a single-channel power management supervisor IC manufactured by onsemi, designed for simple reset and power-on reset applications. This device features push-pull, totem pole output configuration with a 2.93V voltage threshold and 140ms minimum reset timeout. The part is classified as obsolete, making identification of active equivalent alternatives essential for new designs and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	CAT150089SWI-GT3
Manufacturer	onsemi
Category	Power Management (PMIC)
Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1
Voltage - Threshold	2.93V
Output Configuration	Push-Pull, Totem Pole
Reset Logic	Active Low
Reset Timeout	140ms Minimum
Operating Temperature Range	-40°C ~ 85°C (TA)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the CAT150089SWI-GT3 is determined by strict equivalence across the following critical parameters:

Voltage Threshold: 2.93V (exact match required)
Output Configuration: Push-Pull, Totem Pole (functional equivalence)
Reset Logic: Active Low (functional equivalence)
Reset Timeout: 140ms Minimum (exact match required)
Number of Voltages Monitored: 1 (functional equivalence)
Package / Case: 8-SOIC (0.154", 3.90mm Width) (pin-compatible requirement)
Operating Temperature Range: -40°C ~ 85°C (TA) (functional equivalence)

All identified substitute parts meet these criteria and are classified as active products with current manufacturing status and RoHS3 compliance.

Parameter Comparison

Part Number	Manufacturer	Voltage Threshold	Output	Reset Logic	Reset Timeout	Package	Operating Temp	Product Status	RoHS Status
CAT150089SWI-GT3	onsemi	2.93V	Push-Pull, Totem Pole	Active Low	140ms Min	8-SOIC	-40°C ~ 85°C	Obsolete	Not Specified
ADM709SARZ-REEL	Analog Devices Inc.	2.93V	Push-Pull, Totem Pole	Active Low	140ms Min	8-SOIC	-40°C ~ 85°C	Active	ROHS3 Compliant
MAX706ASESA+T	Analog Devices Inc./Maxim Integrated	2.93V	Push-Pull, Totem Pole	Active Low	140ms Min	8-SOIC	-40°C ~ 85°C	Active	ROHS3 Compliant
MAX706SESA+T	Analog Devices Inc./Maxim Integrated	2.93V	Push-Pull, Totem Pole	Active Low	140ms Min	8-SOIC	-40°C ~ 85°C	Active	ROHS3 Compliant
MAX709SESA+T	Analog Devices Inc./Maxim Integrated	2.93V	Push-Pull, Totem Pole	Active Low	140ms Min	8-SOIC	-40°C ~ 85°C	Active	ROHS3 Compliant
STM706SM6F	STMicroelectronics	2.93V	Push-Pull, Totem Pole	Active Low	140ms Min	8-SOIC	-40°C ~ 85°C	Active	ROHS3 Compliant
TPS3705-33DR	Texas Instruments	2.93V	Push-Pull, Totem Pole	Active Low	140ms Min	8-SOIC	-40°C ~ 85°C	Active	ROHS3 Compliant

Engineering Selection Recommendations

All substitute parts listed above provide functional equivalence to the CAT150089SWI-GT3 across all critical electrical and mechanical parameters. Selection among these alternatives should be based on the following factors:

Product Status: All substitute parts are classified as active products with current manufacturing support, ensuring long-term availability and supply chain continuity compared to the obsolete CAT150089SWI-GT3.

Compliance & Certifications: All substitute parts are RoHS3 compliant and carry REACH Unaffected status, meeting modern regulatory requirements. The original CAT150089SWI-GT3 does not specify RoHS compliance status.

Packaging Availability: Substitute parts are available in multiple packaging formats including Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® configurations, providing flexibility for different production volumes and assembly processes.

Inventory & Lead Time: Substitute parts demonstrate varying inventory levels, with MAX706SESA+T offering the highest stock (106,550 pcs) and TPS3705-33DR providing substantial availability (35,300 pcs), supporting both immediate requirements and long-term production planning.

Frequently Asked Questions (FAQ)

Q: Can the CAT150089SWI-GT3 be directly replaced with any of the listed substitute parts?

A: Yes. All listed substitute parts meet the critical electrical parameters: 2.93V voltage threshold, 140ms minimum reset timeout, active low reset logic, and push-pull totem pole output. All parts are packaged in 8-SOIC (0.154", 3.90mm Width) with identical pin configurations, enabling direct substitution without circuit redesign.

Q: What is the primary reason for finding substitutes for the CAT150089SWI-GT3?

A: The CAT150089SWI-GT3 is classified as obsolete. All substitute parts are active products with current manufacturing status, ensuring availability for new designs and ongoing production support.

Q: Are there differences in packaging options between the main part and substitutes?

A: The CAT150089SWI-GT3 packaging format is not specified in available documentation. Substitute parts are available in Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® formats. Selection should align with your assembly process requirements and production volume.

Q: Do all substitute parts meet current regulatory compliance standards?

A: Yes. All substitute parts are RoHS3 compliant and carry REACH Unaffected status. The original CAT150089SWI-GT3 does not specify RoHS compliance, making substitution beneficial for designs requiring modern regulatory adherence.

Q: Which substitute part offers the best inventory availability?

A: MAX706SESA+T provides the highest inventory level at 106,550 pcs. For immediate availability with substantial stock, TPS3705-33DR (35,300 pcs) and STM706SM6F (20,400 pcs) are also viable options.

Q: Are there any functional differences between the substitute parts?

A: No. All substitute parts are parametric equivalents with identical electrical specifications: 2.93V threshold, 140ms reset timeout, active low reset logic, push-pull totem pole output, and -40°C to 85°C operating temperature range.

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