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IS31FL3731-QF
9x16 LED matrix driver with 8-bit PWM and breathing, QFN-28
Schematic Symbol
Pin Configuration (29 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | CA9 | bidirectional |
| 2 | VCC | power_in |
| 3 | ~{SDB} | input |
| 4 | ~{INTB} | open_collector |
| 5 | GND | power_in |
| 6 | R_EXT | passive |
| 7 | CB1 | bidirectional |
| 8 | CB2 | bidirectional |
| 9 | CB3 | bidirectional |
| 10 | CB4 | bidirectional |
| 11 | CB5 | bidirectional |
| 12 | CB6 | bidirectional |
| 13 | CB7 | bidirectional |
| 14 | CB8 | bidirectional |
| 15 | CB9 | bidirectional |
| 16 | C_FILT | passive |
| 17 | IN | input |
| 18 | AD | input |
| 19 | SDA | bidirectional |
| 20 | SCL | input |
| 21 | CA1 | bidirectional |
| 22 | CA2 | bidirectional |
| 23 | CA3 | bidirectional |
| 24 | CA4 | bidirectional |
| 25 | CA5 | bidirectional |
| 26 | CA6 | bidirectional |
| 27 | CA7 | bidirectional |
| 28 | CA8 | bidirectional |
| 29 | GND | passive |
Footprint
ConfirmedPackage_DFN_QFN/QFN-28-1EP_4x4mm_P0.4mm_EP2.3x2.3mm
Pad Layout
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28
29
Pads (33)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |
| 21 | smd |
| 22 | smd |
| 23 | smd |
| 24 | smd |
| 25 | smd |
| 26 | smd |
| 27 | smd |
| 28 | smd |
| 29 | smd |