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PCA9531PW中文資料恩XP數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)

PCA9531PW
廠商型號(hào)

PCA9531PW

功能描述

8-bit I2C-bus LED dimmer

文件大小

164.82 Kbytes

頁(yè)面數(shù)量

27 頁(yè)

生產(chǎn)廠商 未知制造商
企業(yè)簡(jiǎn)稱(chēng)

恩XP

中文名稱(chēng)

未知制造商

數(shù)據(jù)手冊(cè)

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更新時(shí)間

2025-7-11 11:52:00

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PCA9531PW規(guī)格書(shū)詳情

General description

The PCA9531 is an 8-bit I2C-bus and SMBus I/O expander optimized for dimming LEDs in 256 discrete steps for Red/Green/Blue (RGB) color mixing and back light applications.

Features

■ Eight LED drivers (on, off, flashing at a programmable rate)

■ Two selectable, fully programmable blink rates (frequency and duty cycle) between 0.59 Hz and 152 Hz (1.69 second and 6.58 milliseconds)

■ 256 brightness steps

■ Input/outputs not used as LED drivers can be used as regular GPIOs

■ Internal oscillator requires no external components

■ I2C-bus interface logic compatible with SMBus

■ Internal power-on reset

■ Noise filter on SCL/SDA inputs

■ Active LOW reset input

■ Eight open-drain outputs directly drive LEDs to 25 mA

■ Edge rate control on outputs

■ No glitch on power-up

■ Supports hot insertion

■ Low standby current

■ Operating power supply voltage range of 2.3 V to 5.5 V

■ 0 Hz to 400 kHz clock frequency

■ ESD protection exceeds 2000 V HBM per JESD22-A114, 150 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101

■ Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA

■ Packages offered: SO16, TSSOP16, HVQFN16

產(chǎn)品屬性

  • 型號(hào):

    PCA9531PW

  • 功能描述:

    LED照明驅(qū)動(dòng)器 8-BIT I2C FM OD LED DIM RST

  • RoHS:

  • 制造商:

    STMicroelectronics

  • 輸入電壓:

    11.5 V to 23 V

  • 最大電源電流:

    1.7 mA

  • 安裝風(fēng)格:

    SMD/SMT

  • 封裝/箱體:

    SO-16N

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