MCP1643-I/MSAlternatives & Equivalent Parts
About MCP1643-I/MS
MCP1643-I/MS is a Integrated Circuit component manufactured by Microchip. It comes in a Small Outline 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 | MCP1643-I/MSSource | MCP1643T-I/MS | LM2703MF-ADJ/NOPB | AP6714M10G-13 | PAM2804AAB010 |
|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Texas Instruments | Diodes Inc. | Diodes Inc. |
| Package Type | Small Outline Packages | Small Outline Packages | SOT23 (5-Pin) | Small Outline Packages | SOT23 (5-Pin) |
| Pin Count | 8 | 8 | 5 | 10 | 5 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.9659 | $0.8940 | $0.9858 | $0.4480 | $0.0751 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Manufacturer Package Code | MSOP-8 | MSOP-8 | — | — | — |
| Factory Lead Time | 11 Weeks | 11 Weeks | — | 12 Weeks | 12 Weeks |
| YTEOL | 14 | 14 | 15 | 7 | 8 |
| Interface IC Type | LED DISPLAY DRIVER | LED DISPLAY DRIVER | — | — | LED DISPLAY DRIVER |
| JESD-30 Code | S-PDSO-G8 | S-PDSO-G8 | R-PDSO-G5 | S-PDSO-G10 | R-PDSO-G5 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 |
| Multiplexed Display Capability | NO | NO | — | — | NO |
| Number of Functions | 1 | 1 | 1 | 1 | 1 |
| Number of Segments | 1 | 1 | — | — | 1 |
| Output Polarity | TRUE | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 | TSSOP8,.19 | TSOP5/6,.11,37 | TSSOP10,.19,20 | TSOP5/6,.11,37 |
| Package Shape | SQUARE | SQUARE | RECTANGULAR | SQUARE | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 |
| Screening Level | TS 16949 | TS 16949 | — | — | — |
| Supply Voltage-Nom | 1.2 V | 1.2 V | — | — | 4.2 V |
| Surface Mount | YES | YES | YES | YES | YES |
| Temperature Grade | INDUSTRIAL | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | MATTE TIN | MATTE TIN |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 0.65 mm | 0.95 mm | 0.5 mm | 0.95 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 | 40 | 30 | — | 30 |
| ## MCP1643-I/MS Alternates Showing results | Image | — | — | — | — |
| Supply Voltage-Max | — | 5 V | — | — | 6 V |
| Supply Voltage-Min | — | 0.5 V | — | — | 2.5 V |
| Pbfree Code | — | — | Yes | Yes | — |
| Analog IC - Other Type | — | — | SWITCHING REGULATOR | SWITCHING REGULATOR | — |
| Control Mode | — | — | VOLTAGE-MODE | CURRENT-MODE | — |
| Control Technique | — | — | CONSTANT OFF TIME | PULSE WIDTH MODULATION | — |
| Input Voltage-Max | — | — | 7 V | 5.5 V | — |
| Input Voltage-Min | — | — | 2.2 V | 0.9 V | — |
| Input Voltage-Nom | — | — | 2.2 V | 1.5 V | — |
| Number of Outputs | — | — | 1 | — | — |
| Output Current-Max | — | — | 0.4 A | 1.6 A | — |
| Output Voltage-Max | — | — | 21 V | — | — |
| Output Voltage-Min | — | — | 1.24 V | — | — |
| Qualification Status | — | — | Not Qualified | Not Qualified | Not Qualified |
| Switcher Configuration | — | — | BOOST | BOOST | — |
| Switching Frequency-Max | — | — | 2500 kHz | 2200 kHz | — |
| Technology | — | — | CMOS | — | — |
| ## LM2703MF-ADJ/NOPB Alternates Showing results | — | — | Image | — | — |
| Additional Feature | — | — | — | ALSO OPERATES IN ADJUSTABLE MODE FROM 1.8V TO 5.5V | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for MCP1643-I/MS 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 MCP1643-I/MS 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 MCP1643-I/MS?
Known equivalents for MCP1643-I/MS include MCP1643T-I/MS, LM2703MF-ADJ/NOPB, AP6714M10G-13. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MCP1643-I/MS?
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 MCP1643-I/MS 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.