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MIC810LUY-TR Equivalent & Substitute Parts
Part Overview
The MIC810LUY-TR is a single-channel power management supervisor IC manufactured by Microchip Technology, designed for power-on reset and simple reset applications. This device monitors a single voltage threshold and provides push-pull, totem pole output control. The MIC810LUY-TR is currently in active product status with 13,100 units in stock.
Substitute parts become necessary when the primary part reaches end-of-life status, inventory constraints occur, or design requirements necessitate alternative thermal or packaging specifications. The parts listed below maintain electrical and mechanical compatibility based on identical or equivalent threshold voltage, output topology, reset timing, and package form factor.
Substiute Parts
Key Parameters
| Parameter | MIC810LUY-TR Specification |
|---|---|
| Manufacturer | Microchip Technology |
| Category | Power Management (PMIC) |
| Type | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 |
| Voltage Threshold | 4.63V |
| Output Configuration | Push-Pull, Totem Pole |
| Reset Logic | Active High |
| Reset Timeout | 140ms Minimum |
| Operating Temperature Range | -40°C to 85°C (TA) |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution eligibility for the MIC810LUY-TR is determined by the following critical parameters:
- Voltage threshold: 4.63V (exact match required)
- Output topology: Push-Pull, Totem Pole (exact match required)
- Reset logic: Active High (exact match required)
- Package form factor: SOT-23-3 (exact match required)
- Mounting type: Surface Mount (exact match required)
- Reset timeout: 140ms minimum or lower (equal or tighter specification acceptable)
- Operating temperature range: -40°C minimum and 85°C maximum or wider (equal or extended range acceptable)
- RoHS and REACH compliance: ROHS3 Compliant and REACH Unaffected (exact match required)
Substitute parts are grouped into two categories: parametric equivalents (identical electrical specifications) and manufacturer-recommended alternatives (functionally equivalent with minor specification variations such as extended temperature range or different reset timeout values).
Parameter Comparison
| Part Number | Manufacturer | Voltage Threshold | Output | Reset Timeout | Operating Temperature | Package | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|
| MIC810LUY-TR | Microchip Technology | 4.63V | Push-Pull, Totem Pole | 140ms Min | -40°C to 85°C | SOT-23-3 | Active | 13,100 Pcs |
| TCM810LENB713 | Microchip Technology | 4.63V | Push-Pull, Totem Pole | 140ms Min | -40°C to 85°C | SOT-23-3 | Active | 38,600 Pcs |
| ADM810LARTZ-REEL | Analog Devices Inc. | 4.63V | Push-Pull, Totem Pole | 140ms Min | -40°C to 125°C | SOT-23-3 | Active | 1,779 Pcs |
| ADM810LARTZ-REEL7 | Analog Devices Inc. | 4.63V | Push-Pull, Totem Pole | 140ms Min | -40°C to 125°C | SOT-23-3 | Active | 24,821 Pcs |
| MAX6347UR46+T | Analog Devices Inc./Maxim Integrated | 4.63V | Push-Pull, Totem Pole | 100ms Min | -40°C to 85°C | SOT-23-3 | Active | 2,240 Pcs |
| MAX6800UR46D3+T | Analog Devices Inc./Maxim Integrated | 4.63V | Push-Pull, Totem Pole | 100ms Min | -40°C to 125°C | SOT-23-3 | Active | 3,802 Pcs |
| MAX810LEUR+T | Analog Devices Inc./Maxim Integrated | 4.63V | Push-Pull, Totem Pole | 140ms Min | -40°C to 105°C | SOT-23-3 | Active | 5,440 Pcs |
| APX810-46SAG-7 | Diodes Incorporated | 4.63V | Push-Pull, Totem Pole | 140ms Min | -40°C to 85°C | SOT-23-3 | Not For New Designs | 17,243 Pcs |
| APX810-46SRG-7 | Diodes Incorporated | 4.63V | Push-Pull, Totem Pole | 140ms Min | -40°C to 85°C | SOT23R | Active | 3,945 Pcs |
| STM810LWX6F | STMicroelectronics | 4.63V | Push-Pull, Totem Pole | 140ms Min | -40°C to 85°C | SOT-23-3 | Active | 4,100 Pcs |
Engineering Selection Recommendations
Preferred Substitutes (Active Status, Identical Specifications)
TCM810LENB713 (Microchip Technology) is the primary substitute, offering identical electrical specifications and the highest inventory availability at 38,600 units. This part maintains the same voltage threshold, output topology, reset timeout, and operating temperature range as the MIC810LUY-TR. The only difference is packaging format (Cut Tape & Digi-Reel versus Tape & Reel), which does not affect electrical performance.
STM810LWX6F (STMicroelectronics) provides an alternative from a different manufacturer with identical core specifications and active product status. This part is suitable for applications where supply chain diversification is required.
Extended Temperature Range Alternatives
ADM810LARTZ-REEL and ADM810LARTZ-REEL7 (Analog Devices Inc.) extend the operating temperature range to -40°C to 125°C while maintaining all other specifications. These parts are appropriate for applications requiring enhanced thermal performance. ADM810LARTZ-REEL7 offers significantly higher inventory (24,821 units) compared to ADM810LARTZ-REEL (1,779 units).
MAX6800UR46D3+T (Analog Devices Inc./Maxim Integrated) also provides extended temperature range (-40°C to 125°C) with a tighter reset timeout specification (100ms minimum versus 140ms minimum). This part is suitable for designs where faster reset response is beneficial.
Intermediate Temperature Range Alternative
MAX810LEUR+T (Analog Devices Inc./Maxim Integrated) offers an intermediate operating temperature range of -40°C to 105°C with 140ms reset timeout, providing a balance between standard and extended thermal specifications.
Faster Reset Timeout Alternative
MAX6347UR46+T (Analog Devices Inc./Maxim Integrated) maintains the standard operating temperature range (-40°C to 85°C) but specifies a faster reset timeout of 100ms minimum. This part is suitable for applications where quicker reset response is required.
Not Recommended for New Designs
APX810-46SAG-7 (Diodes Incorporated) carries a "Not For New Designs" product status designation and should be avoided for new development projects, despite meeting all electrical specifications. This part may be considered only for legacy system maintenance or replacement scenarios.
APX810-46SRG-7 (Diodes Incorporated) uses a SOT23R package variant instead of the standard SOT-23-3, which may require PCB layout modifications and is not recommended as a direct substitute without design review.
Frequently Asked Questions (FAQ)
Q: Can I use TCM810LENB713 as a direct replacement for MIC810LUY-TR?
A: Yes. TCM810LENB713 is a parametric equivalent with identical voltage threshold (4.63V), output topology (push-pull, totem pole), reset logic (active high), reset timeout (140ms minimum), operating temperature range (-40°C to 85°C), and package form factor (SOT-23-3). The only difference is the packaging format (cut tape versus tape & reel), which does not affect electrical performance or PCB assembly compatibility.
Q: What is the difference between the Analog Devices ADM810LARTZ-REEL and ADM810LARTZ-REEL7 parts?
A: Both parts are electrically identical with the same voltage threshold, output topology, and reset timeout specifications. The primary difference is inventory availability: ADM810LARTZ-REEL7 has 24,821 units in stock compared to 1,779 units for ADM810LARTZ-REEL. Both offer extended operating temperature range (-40°C to 125°C) compared to the MIC810LUY-TR.
Q: Why do some substitute parts have a 100ms reset timeout instead of 140ms?
A: Reset timeout specifications define the minimum duration the reset output remains asserted after the voltage threshold is crossed. A 100ms timeout is a tighter (faster) specification than 140ms. Parts with 100ms timeout (MAX6347UR46+T and MAX6800UR46D3+T) will assert reset more quickly, which is acceptable for applications designed for the MIC810LUY-TR's 140ms specification. However, applications specifically requiring the full 140ms delay should use parts with 140ms or greater timeout specifications.
Q: Can I use APX810-46SRG-7 as a substitute?
A: APX810-46SRG-7 meets all electrical specifications but uses a SOT23R package variant instead of the standard SOT-23-3 package. This package difference may require PCB layout modifications and is not recommended as a direct substitute without design review and validation.
Q: Should I use APX810-46SAG-7 for new designs?
A: No. APX810-46SAG-7 carries a "Not For New Designs" product status designation. This part should be used only for legacy system maintenance or replacement scenarios where the original part is no longer available. For new development projects, select from parts with "Active" product status.
Q: Which substitute offers the widest operating temperature range?
A: ADM810LARTZ-REEL, ADM810LARTZ-REEL7, and MAX6800UR46D3+T all offer the extended operating temperature range of -40°C to 125°C, compared to the MIC810LUY-TR's -40°C to 85°C range. These parts are suitable for applications requiring enhanced thermal performance or operation in high-temperature environments.
Q: Are all substitute parts RoHS3 compliant and REACH unaffected?
A: Yes. All substitute parts listed maintain ROHS3 compliance and REACH unaffected status, matching the MIC810LUY-TR's regulatory certifications.
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