AT42QT1481-AURAlternatives & Equivalent Parts
About AT42QT1481-AUR
AT42QT1481-AUR is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | AT42QT1481-AURSource | AT42QT1481-ANR | MCP73831-2ACI/MC | MCP73831T-2ATI/OT |
|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip |
| Package Type | Quad Flat Packages | Quad Flat Packages | Small Outline No-lead | SOT23 (5-Pin) |
| Pin Count | 44 | 44 | 8 | 5 |
| Temperature Range | -40.0°C ~ 105.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $2.9715 | $4.6100 | $0.5780 | $0.4218 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | — | Yes | Yes |
| Manufacturer Package Code | TQFP-44 | TQFP-44 | DFN-8 | SOT-23-5 |
| Factory Lead Time | 9 Weeks | 9 Weeks | 6 Weeks | 8 Weeks |
| YTEOL | 14 | 20 | 9 | 9 |
| Body Breadth | 10 mm | 10 mm | — | — |
| Body Height | 1.2 mm | 1 mm | — | — |
| Body Length or Diameter | 10 mm | 10 mm | — | — |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Mounting Feature | SURFACE MOUNT | SURFACE MOUNT | — | — |
| Output | OPEN-DRAIN | DIGITAL | — | — |
| Output Range | 0.6-4.2V | 0.60-4.20V | — | — |
| Output Type | DIGITAL VOLTAGE | DIGITAL VOLTAGE | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | QFP44,.47SQ,32 | — | SOLCC8,.11,20 | TSOP5/6,.11,37 |
| Package Shape/Style | SQUARE | SQUARE | — | — |
| Sensors/Transducers Type | TOUCH SENSOR | CAPACITIVE TOUCH SENSOR | — | — |
| Supply Voltage-Max | 5.25 V | 5.25 V | — | — |
| Supply Voltage-Min | 4.75 V | 4.75 V | — | — |
| Surface Mount | YES | YES | YES | YES |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| ## AT42QT1481-AUR Alternates Showing results | Image | — | — | — |
| Additional Feature | — | — | Thermal Shutdown:150C | REGULATION VOLTAGE IS 4.2V |
| Adjustable Threshold | — | — | YES | YES |
| Analog IC - Other Type | — | — | LINEAR BATTERY CHARGER | LINEAR BATTERY CHARGER |
| JESD-30 Code | — | — | R-PDSO-N8 | R-PDSO-G5 |
| Number of Channels | — | — | 1 | 1 |
| Number of Functions | — | — | 1 | 1 |
| Package Shape | — | — | RECTANGULAR | RECTANGULAR |
| Package Style | — | — | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | — | — | 260 | 260 |
| Qualification Status | — | — | Not Qualified | Not Qualified |
| Screening Level | — | — | TS 16949 | — |
| Supply Current-Max (Isup) | — | — | 1.5 mA | 1.5 mA |
| Supply Voltage-Max (Vsup) | — | — | 6 V | 6 V |
| Supply Voltage-Min (Vsup) | — | — | 3.75 V | 3.75 V |
| Supply Voltage-Nom (Vsup) | — | — | 5.2 V | 5.2 V |
| Temperature Grade | — | — | INDUSTRIAL | INDUSTRIAL |
| Terminal Form | — | — | NO LEAD | GULL WING |
| Terminal Pitch | — | — | 0.5 mm | 0.95 mm |
| Terminal Position | — | — | DUAL | DUAL |
| Threshold Voltage-Nom | — | — | +4.20V | +4.2V |
| Time@Peak Reflow Temperature-Max (s) | — | — | 40 | — |
| ## MCP73831-2ACI/MC Alternates Showing results | — | — | Image | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for AT42QT1481-AUR — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for AT42QT1481-AUR is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating AT42QT1481-AUR replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to AT42QT1481-AUR?
Known equivalents for AT42QT1481-AUR include AT42QT1481-ANR, MCP73831-2ACI/MC, MCP73831T-2ATI/OT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT42QT1481-AUR?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify AT42QT1481-AUR alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.