Overview
The PCA9535CPW,118 is a 16-bit I2C-Bus and SMBus low power I/O port expander developed by NXP USA Inc. This device is part of the PCA9535 series and is designed to enhance the capabilities of I2C-bus/SMBus applications. It operates within a voltage range of 2.3 V to 5.5 V and is housed in a 24-pin TSSOP package. The PCA9535CPW,118 is engineered to provide 16 bits of General Purpose parallel Input/Output (GPIO) expansion, making it a versatile component for various electronic systems.
Key Specifications
| Attribute | Description |
|---|---|
| Interface Type | I2C/SMBus |
| Clock Frequency - Max | 400 kHz |
| No of I/O Lines | 16 |
| Supply Voltage - Nom | 2.3 V to 5.5 V |
| Supply Current | Low standby current |
| Package Style | TSSOP-24 |
| Mounting Method | Surface Mount |
| ESD Protection | Exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101 |
| Latch-up Testing | Exceeds 100 mA per JEDEC Standard JESD78 |
Key Features
- Operating power supply voltage range of 2.3 V to 5.5 V
- 5 V tolerant I/Os
- Polarity Inversion register
- Active LOW interrupt output
- Low standby current
- Noise filter on SCL/SDA inputs
- No glitch on power-up
- Internal power-on reset
- 16 I/O pins which default to 16 inputs
- ESD protection exceeds 2000 V HBM, 200 V MM, and 1000 V CDM
- Latch-up testing exceeds 100 mA per JEDEC Standard JESD78
Applications
The PCA9535CPW,118 is utilized in various industrial and consumer electronics applications that require GPIO expansion. Typical applications include:
- ACPI power switches
- Sensors
- Push buttons
- LED control
This device enhances system capabilities with low power consumption and efficient I2C communication.
Q & A
- What is the PCA9535CPW,118?
The PCA9535CPW,118 is a 16-bit I2C-Bus and SMBus low power I/O port expander developed by NXP USA Inc.
- What is the operating voltage range of the PCA9535CPW,118?
The operating voltage range is from 2.3 V to 5.5 V.
- What is the maximum clock frequency supported by the PCA9535CPW,118?
The maximum clock frequency is 400 kHz.
- How many I/O lines does the PCA9535CPW,118 provide?
The device provides 16 bits of General Purpose parallel Input/Output (GPIO).
- What package style is the PCA9535CPW,118 available in?
The device is housed in a 24-pin TSSOP package.
- Does the PCA9535CPW,118 have ESD protection?
- What are some typical applications of the PCA9535CPW,118?
Typical applications include ACPI power switches, sensors, push buttons, and LED control.
- Does the PCA9535CPW,118 support polarity inversion?
- What is the standby current of the PCA9535CPW,118?
The device has a low standby current.
- Is the PCA9535CPW,118 RoHS compliant?
