Lumissil Microsystems / TECHNICAL REFERENCE
IS31FL3731
Matrix LED driver with animation frame memory and per-LED dimming.
FPGA.io Part Number FIO-6244FA679B97A029Internal catalogue reference · manufacturer MPN remains unchanged
Technical reference · Base device — ordering suffix not specified · Checked 2026-09-28
DOCUMENTED FACTS
Technical parameters
Values apply to the device and conditions identified in each source. Family maxima, package limits and full ordering-code specifications must not be treated as interchangeable.
| Parameter | Documented value | Source & conditions |
|---|---|---|
| LED count | 144 | IS31FL3731 datasheet Rev. F ↗p. 1 General Description and Features |
| Supply | 2.7 to 5.5 V | IS31FL3731 datasheet Rev. F ↗p. 1 General Description and Features |
| I2C clock | 400 kHz | IS31FL3731 datasheet Rev. F ↗p. 1 General Description and Features |
| Dimming resolution | 8 bits | IS31FL3731 datasheet Rev. F ↗p. 1 General Description and Features |
Official documents
IS31FL3731 datasheet Rev. Fp. 1 General Description and FeaturesPDF ↗Ordering and board constraints
This reference identifies a base device. Package, speed grade, temperature, qualification and packing suffixes have not been inferred.
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COMPLETE PART IDENTITIES
Ordering numbers for IS31FL3731
These references belong to this device. Evidence labels distinguish reviewed specifications, public listings and manufacturer coding examples. Counts describe this site’s documented coverage, not stock or all configurations offered by the manufacturer.
| Full ordering number | Package | Speed / temperature | Evidence | Next step |
|---|---|---|---|---|
| IS31FL3731-QFLS2-TR | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| IS31FL3731-SALS2 | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| IS31FL3731-SALS2-TR | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
3 of 3 codes shown
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Not verified means that parameter has not been independently established for this exact code. A code example is not confirmation that a configuration can be ordered today.