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Adafruit 16x9 Charlieplexed PWM LED Matrix Driver - IS31FL3731

Parts › Displays & LEDs › LED Matrix & Segment

ADA2946 · Adafruit

Adafruit 16x9 Charlieplexed PWM LED Matrix Driver - IS31FL3731 photo
Adafruit 16x9 Charlieplexed PWM LED Matrix Driver - IS31FL3731 illustration

Adafruit product #2946 — built on IS31FL3731.

Part numberADA2946
ManufacturerAdafruit
CategoryDisplays & LEDs › LED Matrix & Segment
Pins35

Adafruit 16x9 Charlieplexed PWM LED Matrix Driver - IS31FL3731 pinout

PinNameTypeDescription
1VCCpower
2GNDground
3SCLbidirectional
4SDAbidirectional
5CB1bidirectional
6CB2bidirectional
7CB3bidirectional
8CB4bidirectional
9CB5bidirectional
10CB6bidirectional
11CB7bidirectional
12CB8bidirectional
13CB9bidirectional
14VCCpower
15GNDground
16SCLbidirectional
17SDAbidirectional
18REXTbidirectional
19GNDground
20AUDIOINbidirectional
21INTBbidirectional
22SHUTDOWNbidirectional
23CA1bidirectional
24CA2bidirectional
25CA3bidirectional
26CA4bidirectional
27CA5bidirectional
28CA6bidirectional
29CA7bidirectional
30CA8bidirectional
31CA9bidirectional
32SHUTDOWNbidirectional
33INTBbidirectional
34ADDRbidirectional
35AUDIOINbidirectional

Schematic symbol and footprint

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Footprint: Adafruit CharliePlex Driver IS31FL3731 (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Datasheet

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