Overview
The PCA9534BS,118 is a 16-pin CMOS device produced by NXP USA Inc., designed to provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I²C-bus/SMBus applications. This device is part of NXP's family of I²C-bus I/O expanders and is developed to enhance the functionality of various systems by offering additional I/O capabilities. It is particularly useful in scenarios where additional I/O is needed for components such as ACPI power switches, sensors, push buttons, LEDs, and fans.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | HVQFN16 |
| Pin Count | 16 |
| Supply Voltage Range | 2.3 V to 5.5 V |
| I/O Tolerance | 5 V tolerant I/Os |
| Clock Frequency | 0 Hz to 400 kHz |
| Operating Temperature Range | -40°C to +85°C |
| ESD Protection | Exceeds 2000 V HBM, 200 V MM, 1000 V CDM |
| Latch-up Testing | Exceeds 100 mA per JEDEC Standard JESD78 |
| Interrupt Output | Active LOW interrupt output |
| Noise Filter | On SCL/SDA inputs |
| Power-on Reset | Internal power-on reset |
Key Features
- 8-bit I²C-bus GPIO expansion
- Individual I/O configuration
- Polarity Inversion register
- Low standby current
- No glitch on power-up
- Three hardware pins (A0, A1, A2) for varying the fixed I²C-bus address, allowing up to eight devices to share the same I²C-bus/SMBus
- ESD protection and latch-up testing compliance with industry standards
Applications
The PCA9534BS,118 is suitable for a variety of applications where additional I/O capabilities are required. These include:
- ACPI power switches
- Sensors and monitoring systems
- Push buttons and user interfaces
- LED indicators and lighting systems
- Fans and cooling systems
- Alarm systems and security devices
Q & A
- What is the PCA9534BS,118 used for? The PCA9534BS,118 is used to provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I²C-bus/SMBus applications.
- What is the supply voltage range of the PCA9534BS,118? The supply voltage range is from 2.3 V to 5.5 V.
- What is the clock frequency range of the PCA9534BS,118? The clock frequency range is from 0 Hz to 400 kHz.
- Is the PCA9534BS,118 5 V tolerant? Yes, the PCA9534BS,118 has 5 V tolerant I/Os.
- What type of package does the PCA9534BS,118 come in? The PCA9534BS,118 comes in a HVQFN16 package.
- What is the operating temperature range of the PCA9534BS,118? The operating temperature range is from -40°C to +85°C.
- Does the PCA9534BS,118 have internal power-on reset? Yes, it has an internal power-on reset.
- How many devices can share the same I²C-bus/SMBus using the PCA9534BS,118? Up to eight devices can share the same I²C-bus/SMBus using the three hardware pins (A0, A1, A2) for varying the fixed I²C-bus address.
- What kind of ESD protection does the PCA9534BS,118 have? The PCA9534BS,118 exceeds 2000 V HBM, 200 V MM, and 1000 V CDM for ESD protection.
- Is the PCA9534BS,118 RoHS compliant? Yes, the PCA9534BS,118 is RoHS compliant.
