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PCAL6416AHF,128

Name: PCAL6416AHF,128
Rating: 4.7 (12 reviews)

IC I/O EXPANDER 16BIT 24HWQFN

メーカー
Mfr。パート #PCAL6416AHF,128
パッケージ SOT994-1
データシート PCAL6416AHF,128 DataSheet
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
Series	Agile
ProductStatus	Active
NumberofI/O	16
Interface	I²C, SMBus
InterruptOutput	Yes
Features	POR
OutputType	Open Drain, Push-Pull
Current-OutputSource/Sink	10mA, 25mA
ClockFrequency	400 kHz
Voltage-Supply	1.65V ~ 5.5V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	24-WFQFN Exposed Pad

概要

Description

The PCAL6416AHF is a 16-channel I²C-bus GPIO expander designed for expanding the number of input/output pins available to microcontrollers and processors. It features a 7-bit I²C address, allowing multiple devices to be connected on the same bus. This device can interface with various peripherals, making it suitable for applications in consumer electronics, industrial controls, and automotive systems.
Key features include a wide operating voltage range (1.8V to 5.5V), configurable I/O pins that can be set as inputs or outputs, interrupt capability on pin changes, and built-in pull-up resistors. The PCAL6416AHF also offers software-configurable interrupt mapping, making it easier to manage multiple inputs. Its compact package and low power consumption make it ideal for space-constrained designs.
Overall, the PCAL6416AHF is a versatile solution for enhancing GPIO capabilities in embedded systems, providing flexibility and ease of integration with existing designs.

Features

The PCAL6416AHF is a 16-bit I/O port expander designed for I²C-bus applications. Key features include:
1. I²C Interface: Supports standard and fast mode up to 1 MHz.
2. 16 GPIOs: Configurable as either inputs or outputs.
3. Interrupt Capability: Provides an interrupt output for detecting changes on GPIOs.
4. Programmable Pull-up Resistors: Allows pull-ups on input pins.
5. Power Supply Range: Operates from 1.8V to 5.5V.
6. Low Power Consumption: Designed for energy-efficient applications.
7. Multiple Address Options: Supports up to 8 devices on a single bus.
8. Non-Volatile Memory: Stores configuration settings after power loss.
9. Active Low Interrupt: Simplifies event detection in microcontroller interfaces.
10. Package Options: Available in TSSOP and other surface-mount packages.
These features make the PCAL6416AHF suitable for various applications, including industrial control, consumer electronics, and home automation systems.

Package

The PCAL6416AHF,128 is packaged in a 48-pin HTQFP (Thin Quad Flat Package) format. This surface-mount package is designed for ease of integration into various electronic circuits while providing a compact footprint.

Pinout

The PCAL6416AHF,128 is a 16-bit GPIO (General Purpose Input/Output) expander with an I2C interface. It features a total of 20 pins. The pin functions include:
- 16 GPIO pins (configured individually as input or output).
- 2 I2C pins: SDA (Serial Data Line) and SCL (Serial Clock Line) for communication.
- 2 additional pins:
- INT (Interrupt): Used to signal an interrupt condition to the host.
- VDD: Power supply pin.
- GND: Ground pin.
The device supports various configurations, allowing it to control multiple external devices or read inputs from switches and sensors, all while using minimal microcontroller pins.

Manufacturer

The PCAL6416AHF,128 is manufactured by NXP Semiconductors. NXP is a global semiconductor company that specializes in the development and manufacturing of a wide range of semiconductor products, including microcontrollers, processors, and various analog and interface components. The company focuses on automotive, industrial, and Internet of Things (IoT) applications, providing solutions that enable secure connectivity and smart applications. NXP is known for its innovation in areas like automotive safety, secure payment systems, and smart home technologies. The PCAL6416AHF,128 specifically is an I2C GPIO expander, commonly used in embedded systems to expand the number of input/output pins available for microcontrollers.

Application

The PCAL6416AHF,128 is an I2C I/O port expander designed for use in applications requiring additional GPIOs. Key application areas include consumer electronics, automotive systems, industrial automation, and smart home devices. It is commonly used in keyboards, LED control, sensor interfaces, and any system needing extended I/O capabilities while minimizing microcontroller pin usage.

Equivalent

The PCAL6416AHF,128 is a 16-bit I/O port expander with I2C interface. Equivalent products include the MCP23017 and the PCA9535, which also provide I/O expansion via I2C. Additionally, consider the TCA9555 or the PCF8575 for similar functionality, though pin configurations may vary. Always check datasheets for specific features and compatibility.