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PCA9745BTW
16-channel, 8-bit PWM, Constant Current, Dimming, LED controller, SPI, HTSSOP-28
Schematic Symbol
Pin Configuration (29 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | REXT | input |
| 2 | V_{SS} | power_in |
| 3 | SDO | output |
| 4 | ~{CS} | input |
| 5 | ~{OE} | input |
| 6 | LED0 | open_collector |
| 7 | LED1 | open_collector |
| 8 | LED2 | open_collector |
| 9 | LED3 | open_collector |
| 10 | V_{SS} | passive |
| 11 | LED4 | open_collector |
| 12 | LED5 | open_collector |
| 13 | LED6 | open_collector |
| 14 | LED7 | open_collector |
| 15 | LED8 | open_collector |
| 16 | LED9 | open_collector |
| 17 | LED10 | open_collector |
| 18 | LED11 | open_collector |
| 19 | V_{SS} | passive |
| 20 | LED12 | open_collector |
| 21 | LED13 | open_collector |
| 22 | LED14 | open_collector |
| 23 | LED15 | open_collector |
| 24 | V_{SS} | passive |
| 25 | ~{RESET} | input |
| 26 | SCLK | input |
| 27 | SDI | input |
| 28 | V_{DD} | power_in |
| 29 | V_{SS} | passive |
Footprint
ConfirmedPackage_SO/NXP_HTSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.2x3.4mm
Pad Layout
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Pads (41)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | 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 |