Overview
The PCA9535BS,118 is a 16-bit general-purpose input/output (GPIO) expander produced by NXP USA Inc. This device is designed to provide additional I/O capabilities for systems using the I2C-bus/SMBus interface. It features 16 programmable I/O pins that can be configured as either inputs or push-pull outputs, making it versatile for various applications. The PCA9535BS,118 is part of the PCA9535 series, which enhances the NXP family of I2C-bus I/O expanders with improved features such as higher drive capability, 5 V I/O tolerance, and lower supply current.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Package Type | 24-HVQFN (Heat Enhanced Very Thin Quad Flat No-Lead Package) |
| Number of I/O Pins | 16 |
| Interface | I2C-bus/SMBus |
| Supply Voltage Range | 2.3 V to 5.5 V |
| Clock Frequency | 0 Hz to 400 kHz |
| Output Type | Push-pull output (PCA9535), Open-drain output (PCA9535C) |
| Output Source/Sink Current | 10 mA / 25 mA |
| Operating Temperature Range | -40°C to 85°C |
| ESD Protection | Exceeds 2000 V HBM, 200 V MM, and 1000 V CDM |
Key Features
- Programmable pull-up/pull-down resistors on each I/O pin
- Interrupt output with active LOW operation
- Internal power-on reset
- No glitch on power-up
- 5 V tolerant I/Os
- Polarity Inversion register for active HIGH or active LOW operation
- Low standby current
- Noise filter on SCL/SDA inputs
Applications
- Industrial automation and control systems
- Consumer electronics
- Embedded systems
- Home appliances
- Automotive electronics
- ACPI power switches, sensors, push buttons, LEDs, fans, etc.
Q & A
- What is the PCA9535BS,118 used for?
The PCA9535BS,118 is used as a 16-bit general-purpose input/output (GPIO) expander to provide additional I/O capabilities for systems using the I2C-bus/SMBus interface.
- What is the package type of the PCA9535BS,118?
The PCA9535BS,118 comes in a 24-HVQFN (Heat Enhanced Very Thin Quad Flat No-Lead Package).
- What is the supply voltage range for the PCA9535BS,118?
The supply voltage range is from 2.3 V to 5.5 V.
- What is the maximum clock frequency supported by the PCA9535BS,118?
The maximum clock frequency is up to 400 kHz.
- Does the PCA9535BS,118 have an interrupt output feature?
- What is the operating temperature range of the PCA9535BS,118?
- Is the PCA9535BS,118 ESD protected?
- Can the I/O pins be configured as inputs or outputs?
- Does the PCA9535BS,118 have a power-on reset feature?
- What are some common applications of the PCA9535BS,118?
