AP1701FWG-7 Equivalent & Substitute Parts

Part Overview

The AP1701FWG-7 is a supervisor integrated circuit manufactured by Diodes Incorporated, classified as a Power Management (PMIC) device. This component functions as a simple reset/power-on reset supervisor with push-pull, totem pole output configuration, monitoring a single voltage threshold at 2.63V. The part is currently listed as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing system support and new design implementations.

Substiute Parts

AP1701FWG-7

Diodes IncorporatedIn Stock: 6505AP1701FWG-7 Datasheet

Current PartRFQ

APX809-26SAG-7

Diodes IncorporatedIn Stock: 33008APX809-26SAG-7 Datasheet

DirectRFQ

AP1701FWG-7

Diodes IncorporatedIn Stock: 6505AP1701FWG-7 Datasheet

Parametric EquivalentRFQ

AP1703FWG-7

Diodes IncorporatedIn Stock: 6499AP1703FWG-7 Datasheet

Parametric EquivalentRFQ

ADM809RARTZ-REEL7

Analog Devices Inc.In Stock: 15057ADM809RARTZ-REEL7 Datasheet

MFR RecommendedRFQ

MAX809RTRG

onsemiIn Stock: 1254MAX809RTRG Datasheet

MFR RecommendedRFQ

SP809EK-L-2-6/TR

MaxLinear, Inc.In Stock: 93658SP809EK-L-2-6/TR Datasheet

MFR RecommendedRFQ

TCM809RENB713

Microchip TechnologyIn Stock: 158821TCM809RENB713 Datasheet

MFR RecommendedRFQ

TCM809RVNB713

Microchip TechnologyIn Stock: 3097TCM809RVNB713 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AP1701FWG-7 is determined by the following critical parameters:

• Voltage Threshold: 2.63V (primary functional requirement)
• Output Configuration: Push-Pull, Totem Pole (electrical interface requirement)
• Reset Logic: Active Low (signal polarity requirement)
• Package / Case: TO-236-3, SC-59, SOT-23-3 (mechanical compatibility requirement)
• Mounting Type: Surface Mount (assembly compatibility requirement)
• Number of Voltages Monitored: 1 (functional scope requirement)

Substitute parts are grouped into two categories:

Parametric Equivalents maintain identical electrical and mechanical specifications to the main part, ensuring direct functional replacement without design modification.

Manufacturer Recommended Alternatives provide equivalent functionality with variations in operating temperature range, reset timeout, or product status, but maintain compatibility across all critical substitution parameters.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Parametric Equivalent): AP1703FWG-7 provides identical electrical specifications and operating temperature range to the AP1701FWG-7, with the advantage of active product status. This part is the preferred choice for direct substitution in existing designs.

For Extended Temperature Range Applications: TCM809RVNB713 (Microchip Technology) extends the operating temperature range to -40°C ~ 125°C while maintaining all critical electrical parameters. This part is suitable for applications requiring enhanced thermal performance.

For High-Volume Production: TCM809RENB713 (Microchip Technology) offers the highest inventory availability (158,754 pcs) with active product status and full compliance certifications. This part is recommended for new design implementations requiring reliable supply chain support.

For Analog Devices Ecosystem Integration: ADM809RARTZ-REEL7 (Analog Devices Inc.) provides extended operating temperature range (-40°C ~ 125°C) and is recommended for systems already utilizing Analog Devices components.

For MaxLinear Integration: SP809EK-L-2-6/TR (MaxLinear, Inc.) maintains all critical electrical parameters with active product status and high inventory availability (93,611 pcs). The voltage threshold of 2.6V is within acceptable tolerance for 2.63V threshold applications.

Frequently Asked Questions (FAQ)

Q: Can AP1703FWG-7 be used as a direct replacement for AP1701FWG-7? A: Yes. AP1703FWG-7 maintains identical voltage threshold (2.63V), output configuration (push-pull, totem pole), reset logic (active low), reset timeout (100ms minimum), and package specifications (TO-236-3, SC-59, SOT-23-3). The primary advantage is active product status versus obsolete status.

Q: What is the difference between 100ms and 140ms reset timeout specifications? A: Reset timeout defines the minimum duration the reset output remains asserted after the voltage threshold is crossed. The AP1701FWG-7 specifies 100ms minimum, while most substitute parts specify 140ms minimum. This difference is acceptable for applications where the reset timeout requirement does not exceed 100ms.

Q: Are all substitute parts compatible with the same PCB footprint? A: Yes. All listed substitute parts use identical package specifications (TO-236-3, SC-59, SOT-23-3) and surface mount mounting type, ensuring mechanical and electrical compatibility with existing PCB designs.

Q: Which substitute part has the widest operating temperature range? A: Both ADM809RARTZ-REEL7 (Analog Devices) and TCM809RVNB713 (Microchip) support -40°C ~ 125°C operating temperature range, compared to the original AP1701FWG-7 specification of 0°C ~ 70°C.

Q: Is SP809EK-L-2-6/TR compatible if my design requires exactly 2.63V threshold? A: SP809EK-L-2-6/TR specifies a 2.6V threshold versus the 2.63V requirement. This 0.03V difference may be acceptable depending on system tolerance requirements. Engineering evaluation is necessary to confirm compatibility with specific application thresholds.

Q: What is the significance of MSL (Moisture Sensitivity Level) differences? A: AP1701FWG-7 specifies MSL 3 (168 hours), while substitute parts specify MSL 1 (unlimited). Lower MSL ratings indicate reduced moisture sensitivity and extended shelf life, providing supply chain advantages for substitute parts.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance, matching the environmental compliance status of the original AP1701FWG-7.