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AP1701AWG-7 Equivalent & Substitute Parts
Part Overview
The AP1701AWG-7 is a single-channel power supply supervisor IC manufactured by Diodes Incorporated, designed for push-pull, totem pole output reset functionality. This device monitors a single voltage threshold at 4.63V and provides active-low reset control with a 100ms minimum timeout. The part is currently classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications requiring this supervisor functionality.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | AP1701AWG-7 |
| Manufacturer | Diodes Incorporated |
| Category | Power Management (PMIC) |
| Type | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 |
| Voltage - Threshold | 4.63V |
| Output | Push-Pull, Totem Pole |
| Reset | Active Low |
| Reset Timeout | 100ms Minimum |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SC-59-3 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| REACH Status | REACH Unaffected |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for the AP1701AWG-7 are qualified based on the following critical parameters that must remain consistent:
- Single voltage monitoring channel
- 4.63V threshold voltage
- Push-pull, totem pole output configuration
- Active-low reset signal
- Surface mount, SOT-23-3 / SC-59 package compatibility
- ROHS3 compliance and REACH unaffected status
Substitutes are grouped into two categories:
Parametric Equivalents (Same Manufacturer - Diodes Incorporated): AP1703AWG-7 maintains identical electrical specifications and threshold voltage, differing only in packaging format (Tape & Reel).
Manufacturer Recommended Alternatives (Cross-Manufacturer): APX809-46SAG-7, ADM809LARTZ-REEL7, MAX809LEUR+T, MAX809LEUR+T10, MAX809LTRG, TCM809LENB713, and MAX809SEUR+ provide functional equivalence with the same 4.63V threshold and output topology. These parts are sourced from Analog Devices Inc., onsemi, and Microchip Technology, with active product status and extended operating temperature ranges.
Parameter Comparison
| Parameter | AP1701AWG-7 | AP1703AWG-7 | APX809-46SAG-7 | ADM809LARTZ-REEL7 | MAX809LEUR+T | TCM809LENB713 |
|---|---|---|---|---|---|---|
| Manufacturer | Diodes Inc. | Diodes Inc. | Diodes Inc. | Analog Devices | Analog Devices/Maxim | Microchip |
| Voltage Threshold | 4.63V | 4.63V | 4.63V | 4.63V | 4.63V | 4.63V |
| Output Type | Push-Pull, Totem Pole | Push-Pull, Totem Pole | Push-Pull, Totem Pole | Push-Pull, Totem Pole | Push-Pull, Totem Pole | Push-Pull, Totem Pole |
| Reset | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low |
| Reset Timeout | 100ms Min | 100ms Min | 140ms Min | 140ms Min | 140ms Min | 140ms Min |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 105°C | -40°C ~ 85°C |
| Package | SC-59-3 | SC-59-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| MSL Rating | 3 (168 Hours) | 3 (168 Hours) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Obsolete | Not For New Designs | Active | Active | Active |
Engineering Selection Recommendations
For applications currently using the AP1701AWG-7, the following selection criteria apply based on product status and compliance requirements:
For Active Production: ADM809LARTZ-REEL7, MAX809LEUR+T, and TCM809LENB713 are recommended as primary substitutes. All three maintain active product status, ROHS3 compliance, and REACH unaffected certification. ADM809LARTZ-REEL7 offers the widest operating temperature range (-40°C to 125°C), suitable for industrial applications. MAX809LEUR+T provides the highest inventory availability (26,997 pcs) and operates to 105°C. TCM809LENB713 operates to 85°C and is available in high volume (15,500 pcs).
For Legacy System Maintenance: AP1703AWG-7 provides direct parametric equivalence as a Diodes Incorporated part, though it shares obsolete status with the original AP1701AWG-7. This option is suitable only when existing design validation cannot accommodate cross-manufacturer substitution.
For Extended Temperature Requirements: ADM809LARTZ-REEL7 is the only substitute supporting operation to 125°C, making it the sole option for applications requiring extended upper temperature limits beyond the original 70°C specification.
All recommended substitutes are packaged in SOT-23-3 format, which is mechanically compatible with the original SC-59-3 package footprint for surface mount applications.
Frequently Asked Questions (FAQ)
Q: Can AP1703AWG-7 be used as a direct replacement for AP1701AWG-7?
A: Yes. AP1703AWG-7 is a parametric equivalent with identical voltage threshold (4.63V), output configuration (push-pull, totem pole), reset polarity (active low), and reset timeout (100ms minimum). The primary difference is packaging format: AP1703AWG-7 is supplied in Tape & Reel format versus the original SC-59-3 packaging. Both parts are obsolete.
Q: What is the key difference between the original AP1701AWG-7 and cross-manufacturer substitutes?
A: The primary differences are product status and operating temperature range. Cross-manufacturer substitutes (ADM809LARTZ-REEL7, MAX809LEUR+T, TCM809LENB713) are active products with extended operating temperatures (-40°C to 85°C or higher) compared to the original 0°C to 70°C range. All maintain the critical 4.63V threshold voltage and push-pull, totem pole output topology.
Q: Are there package compatibility concerns when substituting with SOT-23-3 parts?
A: SC-59-3 and SOT-23-3 are mechanically compatible package designations for the same three-lead surface mount footprint. Substitutes specified in SOT-23-3 format are directly compatible with existing PCB layouts designed for SC-59-3 packages.
Q: Which substitute offers the best availability?
A: MAX809LEUR+T has the highest inventory level at 26,997 pcs. ADM809LARTZ-REEL7 and TCM809LENB713 also maintain substantial stock levels (14,957 pcs and 15,500 pcs respectively), providing multiple sourcing options.
Q: Does the 140ms reset timeout on substitutes affect circuit operation?
A: The substitutes specify 140ms minimum reset timeout compared to the original 100ms minimum. This represents a longer timeout period, which is functionally compatible with designs that tolerate or require extended reset assertion. Applications with strict timing requirements should be evaluated against specific circuit behavior.
Q: Are all substitutes ROHS3 compliant?
A: Yes. All listed substitutes maintain ROHS3 compliance and REACH unaffected status, matching the environmental certification of the original AP1701AWG-7.
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