Overview
The PCAL6416AER118 is a 16-bit general-purpose input/output (GPIO) expander produced by NXP USA Inc. This component is designed to expand the number of GPIO pins available on a system, facilitating efficient I/O expansion via I2C and SMBus interfaces. It is particularly useful in scenarios where additional I/Os are required without increasing the complexity of system interconnections.
Key Specifications
| Parameter | Description |
|---|---|
| Number of I/O Pins | 16 individually configurable I/O pins |
| Interface | I2C and SMBus interface support |
| Interrupt Output | Open-drain active LOW interrupt output (INT) |
| Reset Input | Active LOW reset input (RESET) |
| Output Types | Programmable open-drain or push-pull outputs |
| Output Drive Capability | High output current drive capability (10mA/25mA) |
| Supply Voltage Range | 1.65V to 5.5V |
| Operating Temperature Range | -40°C to 85°C |
| I2C-Bus Speed | 400 kHz Fast-mode I2C-bus |
| ESD Protection | 2000 V Human-Body Model, 1000 V Charged-Device Model |
| Packages | TSSOP24, HWQFN24, VFBGA24, X2QFN24 (LGA, Land Grid Array) |
Key Features
- Flexible configuration options for I/O pins, including programmable output drive strength, latchable inputs, and programmable pull-up/pull-down resistors.
- Support for industry-standard I2C and SMBus communication interfaces.
- High output current drive capability, allowing for direct driving of LEDs.
- Internal power-on reset and noise filter on SCL/SDA inputs.
- No glitch on power-up and power-up with all channels configured as inputs.
- Robust design with latch-up performance exceeding 100 mA per JESD 78, Class II.
- 5 V tolerant I/O ports and bidirectional voltage level translation.
Applications
- Industrial automation and control.
- Home and building automation.
- Consumer electronics.
- Medical equipment.
- Automotive electronics.
Q & A
- What is the PCAL6416AER118 used for?
The PCAL6416AER118 is used to expand the number of GPIO pins available on a system, providing remote I/O expansion via I2C and SMBus interfaces.
- What are the key interfaces supported by the PCAL6416AER118?
The component supports I2C and SMBus interfaces.
- What is the output drive capability of the PCAL6416AER118?
The output drive capability is up to 25 mA, allowing for direct driving of LEDs.
- What is the operating temperature range of the PCAL6416AER118?
The operating temperature range is -40°C to 85°C.
- Does the PCAL6416AER118 have built-in ESD protection?
Yes, it has ESD protection exceeding 2000 V Human-Body Model and 1000 V Charged-Device Model.
- What are the available package options for the PCAL6416AER118?
The available packages include TSSOP24, HWQFN24, VFBGA24, and X2QFN24 (LGA, Land Grid Array).
- How does the PCAL6416AER118 handle power-on reset?
The component has an internal power-on reset feature that configures all channels as inputs on power-up and prevents glitches.
- Can the PCAL6416AER118 be used in battery-powered mobile applications?
Yes, it is suitable for battery-powered mobile applications due to its low-voltage translating capabilities and minimal interconnections.
- Does the PCAL6416AER118 support programmable pull-up/pull-down resistors?
Yes, it supports programmable pull-up/pull-down resistors, eliminating the need for discrete components.
- Is the PCAL6416AER118 RoHS compliant?
Yes, the PCAL6416AER118 is RoHS compliant.
