PCA9531PW112
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NXP USA Inc. PCA9531PW112

Manufacturer No:
PCA9531PW112
Manufacturer:
NXP USA Inc.
Package:
Bulk
Description:
LED DRIVER 8-SEGMENT
Delivery:
Payment:
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Product Introduction

Overview

The PCA9531PW112, produced by NXP USA Inc., is an 8-bit I²C-bus and SMBus I/O expander specifically designed for LED dimming applications. This component is optimized for controlling LEDs in various configurations, including Red/Green/Blue (RGB) color mixing and backlighting. It offers a versatile solution for expanding the I/O capabilities of microcontrollers in a wide range of applications.

Key Specifications

ParameterValue
Number of I/O Bits8
InterfaceI²C-bus, SMBus
Dimming Steps256 discrete steps
LED ControlRGB color mixing, backlighting
Operating Voltage2.3 V to 5.5 V
Package TypeTSSOP16
Clock Frequency0 Hz to 400 kHz
ESD ProtectionExceeds 2000 V HBM, 200 V MM, 1000 V CDM

Key Features

  • 8-bit I/O expander with I²C-bus and SMBus interface
  • 256 discrete dimming steps for precise LED control
  • Optimized for RGB color mixing and backlighting applications
  • Operating voltage range of 2.3 V to 5.5 V
  • 5 V tolerant I/Os
  • Low standby current and internal power-on reset
  • No glitch on power-up and noise filter on SCL/SDA inputs

Applications

  • LED backlighting in displays and signage
  • RGB LED lighting systems for various color effects
  • Automotive lighting systems
  • Consumer electronics such as TVs, monitors, and mobile devices
  • Industrial control panels and human-machine interfaces

Q & A

  1. What is the PCA9531PW112 used for? The PCA9531PW112 is used for expanding the I/O capabilities of microcontrollers, particularly for LED dimming and control in RGB and backlighting applications.
  2. How many dimming steps does the PCA9531PW112 support? It supports 256 discrete dimming steps.
  3. What is the operating voltage range of the PCA9531PW112? The operating voltage range is from 2.3 V to 5.5 V.
  4. What interface does the PCA9531PW112 use? It uses the I²C-bus and SMBus interface.
  5. Is the PCA9531PW112 5 V tolerant? Yes, the I/Os are 5 V tolerant.
  6. What is the clock frequency range of the PCA9531PW112? The clock frequency range is from 0 Hz to 400 kHz.
  7. Does the PCA9531PW112 have ESD protection? Yes, it exceeds 2000 V HBM, 200 V MM, and 1000 V CDM.
  8. What package type is the PCA9531PW112 available in? It is available in a TSSOP16 package.
  9. What are some common applications of the PCA9531PW112? Common applications include LED backlighting, RGB LED lighting systems, automotive lighting, and industrial control panels.
  10. Does the PCA9531PW112 have an internal power-on reset? Yes, it has an internal power-on reset.

Product Attributes

Type:- 
Topology:- 
Internal Switch(s):- 
Number of Outputs:- 
Voltage - Supply (Min):- 
Voltage - Supply (Max):- 
Voltage - Output:- 
Current - Output / Channel:- 
Frequency:- 
Dimming:- 
Applications:- 
Operating Temperature:- 
Mounting Type:- 
Package / Case:- 
Supplier Device Package:- 
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Similar Products

Part Number PCA9531PW112 PCA9531PW,112
Manufacturer NXP USA Inc. NXP USA Inc.
Product Status Active Obsolete
Type - Linear
Topology - -
Internal Switch(s) - Yes
Number of Outputs - 8
Voltage - Supply (Min) - 2.3V
Voltage - Supply (Max) - 5.5V
Voltage - Output - -
Current - Output / Channel - 25mA
Frequency - -
Dimming - I²C
Applications - Backlight
Operating Temperature - -40°C ~ 85°C (TA)
Mounting Type - Surface Mount
Package / Case - 16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package - 16-TSSOP

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