| Part | PCA9551 |
|---|---|
| Description | 8-bit I2C LED driver |
| Manufacturer | NXP Semiconductors |
| Size | 138.05 KB |
The PCA9551 LED blinker blinks LEDs in I2C-bus and SMBus applications where it is necessary to limit bus traffic or free up the I2C-bus master's (MCU, MPU, DSP, chip set, etc.) timer. The uniqueness of this device is the internal oscillator with two programmable blink rates.
| Part Number | Manufacturer | Description |
|---|---|---|
| PCA9554 | onsemi | 8-bit I2C and SMBus I/O Port |
| PCA9555 | Texas Instruments | Remote 16-bit I2C and SMBus I/O Expander |
| PCA9555 | Nexperia | Low-voltage 16-bit I2C-bus I/O port |
| PCA9554 | Texas Instruments | Remote 8-Bit I2C AND SMBus I/O Expander |
| PCA9557 | Texas Instruments | Remote 8-Bit I2C and SMBus Low-Power I/O Expander |
