Part Number Description The LED channel number A hardware reset I/O output current (mA) Total current I2C rate (KHz) Status Type Cross Reference Pin/Package










































AT9530 2 Support 25 50 400 Sample Dimmers PCA9530 MSOP8 SOP8
AT9531 8 Support 25 100 400 Mass production Dimmers PCA9531/ LP3944 TSSOP16 SOP16
AT9532 16 Support 25 200 400 Mass production Dimmers PCA9532 /LP3943/ CAT9532 TSSOP24 SOP24
AT9533 4 No 25 100 400 Mass production Dimmers PCA9533 MSOP8 SOP8
AT9550 2 Support 25 50 400 Sample flasher PCA9550 MSOP8 SOP8
AT9551 8 Support 25 100 400 Mass production flasher PCA9551 TSSOP16 SOP16
AT9552 16 Support 25 200 400 Mass production flasher PCA9552/ CAT9552 TSSOP24 SOP24
AT9553 4 No 25 100 400 Mass production flasher PCA9553 MSOP8 SOP8
AT9236 36 Support 23 38 400 2019Q4 Dimmers IS31FL3236A QFN44/TQFP48
AT9218 18 No 23 38 400 2019Q4 Dimmers IS31FL3218 QFN24/SOP24
AT9635 16 No 25 400 1000 2020Q1 Dimmers PCA9635 TSSOP28
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