LP3943ISQ/NOPBAlternatives & Equivalent Parts
About LP3943ISQ/NOPB
LP3943ISQ/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Quad Flat No-Lead 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 | LP3943ISQ/NOPBSource | LP3943ISQ |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | Quad Flat No-Lead | Quad Flat No-Lead |
| Pin Count | 25 | 24 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $1.1026 | $1.1026 |
| Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE |
| Electrical Parameters | ||
| Pbfree Code | Yes | — |
| YTEOL | 15 | 0 |
| Data Input Mode | SERIAL | SERIAL |
| Input Characteristics | STANDARD | STANDARD |
| Interface IC Type | LED DISPLAY DRIVER | LED DISPLAY DRIVER |
| JESD-30 Code | S-PQCC-N24 | S-XQCC-N24 |
| JESD-609 Code | e3 | e0 |
| Multiplexed Display Capability | NO | NO |
| Number of Channels | 16 | 16 |
| Number of Functions | 1 | 1 |
| Number of Segments | 16 | 16 |
| Output Characteristics | OPEN-DRAIN | OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY | UNSPECIFIED |
| Package Equivalence Code | LCC24,.16SQ,20 | LCC24,.16SQ,20 |
| Package Shape | SQUARE | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified |
| Supply Current-Max | 0.55 mA | 0.55 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V |
| Supply Voltage-Min | 2.3 V | 2.3 V |
| Supply Voltage-Nom | 3 V | 5 V |
| Surface Mount | YES | YES |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Tin/Lead (Sn/Pb) |
| Terminal Form | NO LEAD | NO LEAD |
| Terminal Pitch | 0.5 mm | 0.5 mm |
| Terminal Position | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 | — |
| fmax-Min | 0.4 MHz | 0.4 MHz |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
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Why Look for Alternatives?
Finding alternatives for LP3943ISQ/NOPB 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 LP3943ISQ/NOPB 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 LP3943ISQ/NOPB?
Known equivalents for LP3943ISQ/NOPB include LP3943ISQ. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LP3943ISQ/NOPB?
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 LP3943ISQ/NOPB 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.