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PCA9536D +BOM

4-bit 2.3- to 5.5-V I2C/SMBus I/O expander with config registers

PCA9536D Information

Description

The Texas Instruments PCA9536D is a remote 4-bit I2C and SMBus I/O expander with configuration registers. It's designed for applications requiring low power consumption, high-speed communication, and flexible input/output (I/O) control. The device features a 400-kHz fast I2C bus, 5-V tolerant I/O ports, and internal power-on reset. It also includes noise filters on the SCL/SDA inputs and latched outputs with high-current drive capabilities for directly driving LEDs. The PCA9536D is commonly used in applications involving LED dimming, blinking, or display control, as well as industrial automation controlling digital output subsystems. Its low standby current consumption of 1 µA Max makes it suitable for battery-powered devices or systems requiring extended periods of sleep mode.

Features

The PCA9536D features include:

  • I2C to parallel port expander
  • Low standby current consumption of 1 µA Max
  • Operating power-supply voltage range of 2.3 V to 5.5 V
  • 5-V Tolerant I/O ports
  • 400-kHz fast I2C bus
  • Input and output configuration register
  • Polarity inversion register
  • Internal power-on reset
  • No glitch on power up
  • Power-up with all channels configured as inputs
  • Noise filter on SCL/SDA inputs
  • Latched outputs with high-current drive maximum capability for directly driving LEDs

These features make it suitable for applications involving I2C-bus controlled LED dimming, LED blinking, and other digital output subsystems.

Package

The package type of PCA9536D is SOIC-8 (Small Outline Integrated Circuit - 8).

Pinout

The product name: PCA9536D. Pin Count: The PCA9536D comes in a SOIC-8 package, which means it has 8 pins. Function: The PCA9536D is an I2C/SMBus-enabled 4-bit remote input/output expander with configuration registers. It enables the selection of input and output configurations from an external microcontroller to control various functions through its latchable outputs with high-drive current capability, making it suitable for directly driving LEDs or other devices.

Manufacturer

The manufacturer of the PCA9536D is Texas Instruments (TI). TI is a leading global semiconductor company that designs, manufactures, and tests semiconductors. They focus on making semiconductors for industries such as consumer electronics, automotive, and industrial markets.

Applications

The PCA9536D is commonly used in applications involving I2C-bus controlled LED dimming, blinking, bar mode display, breathing, indicating button state, tamper detection, LED heater regulation, ambient light regulation, TCP/IP & WEB interface, white goods user interface, and industrial automation controlling digital output subsystems.

Equivalent

The equivalent products of PCA9536D are:

  • PCA9554A
  • PCA9555A
  • PCA9556A
  • PCA9557A

These products are also I2C/SMBus bus expander ICs with similar features and applications as the PCA9536D.

Specifications

No of bits 4 V<sub>DD</sub> [min] 2.3
V<sub>DD</sub> [max] 5.5 Over volt tolerant Y
No of supplies 1 Standby current [typ] (&micro;A) 0.25
Max Sink Current per bit (mA) 25 Source Current per bit (mA) 10
Output mode Totem pole Input mode: invert option Y
Internal pull-up resistor per bit (kOhm) 100 I2C-bus (kHz) 400
Footprint body and leads 31 Operating Temperature (&deg;C) -40~85
No of Addresses 1 Package/Case SOP8

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Ratings and Reviews

More
N
N**s 12/25/2023

It came quickly. with the seller did not communicate, there was no need. The device is cool, working, though lies to half a degree, but it's not critical. i recommend buying. it connects to bp from the computer.

19
Z
Z**r 08/11/2022

Works as you expected

10
J
J**n 11/03/2020

Got in 50 days, like all that. Left to insert into the power supply

2

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PCA9536D Datasheet PDF

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