PCA9557BSHP
IC XPND 400KHZ I2C SMBUS 16HVQFNManufacturer: NXP USA Inc.
Categories: I/O Expanders
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NXP USA Inc. PCA9557BSHP is an 8-bit I/O expander designed for efficient system expansion. This component operates over an I2C and SMBus interface, supporting a clock frequency up to 400 kHz. It features 8 open-drain output pins, capable of sourcing 10mA and sinking 20mA. The device includes a Power-On Reset (POR) circuit for reliable initialization. The PCA9557BSHP is housed in a compact 16-HVQFN (4x4) package, suitable for surface mount applications. It operates within a voltage supply range of 2.3V to 5.5V and is rated for an operating temperature of -40°C to 85°C. This I/O expander finds application in various industrial and consumer electronics, including control systems, display interfaces, and sensor aggregation.
Additional Information
Series: -RoHS Status: unknownManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Features | POR |
| Packaging | Tape & Reel (TR) |
| Package / Case | 16-VQFN Exposed Pad |
| Output Type | Open Drain |
| Mounting Type | Surface Mount |
| Interface | I2C, SMBus |
| Number of I/O | 8 |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply | 2.3V ~ 5.5V |
| Clock Frequency | 400 kHz |
| Interrupt Output | No |
| Supplier Device Package | 16-HVQFN (4x4) |
| Current - Output Source/Sink | 10mA, 20mA |
| Programmable | Not Verified |