LM8333FLQ8Y/NOPB TI GPIO Expander | 32-WQFN (6x6) | 24 I/Os, 1.65-3.6V

Product Overview

The LM8333FLQ8Y/NOPB is a 24-bit I/O expander from Texas Instruments designed for I²C-bus/SMBus interface. It provides general-purpose remote I/O expansion for most microcontroller families via a two-wire bidirectional serial bus. The device features 24 configurable I/O pins, each capable of sinking up to 25 mA, making it suitable for driving LEDs and other loads. Operating from 1.65 V to 3.6 V, it is ideal for low-voltage applications. The LM8333 includes an interrupt output that can be configured to alert the master on input changes, and it supports hot insertion with power-up reset.

Detailed Technical Specifications

Key Features

• 24 bidirectional I/O pins with programmable pull-up resistors
• I²C-bus/SMBus compatible interface, up to 400 kHz
• Low standby current consumption (1.5 µA typical)
• Open-drain active-low interrupt output
• Power-up reset and hot insertion capability
• 5 V tolerant I/Os
• Package: 32-pin WQFN (6x6 mm)

Target Applications

• 5G base stations: monitoring and control of power amplifiers, fans, and status LEDs
• Automotive dashboard: reading switches, controlling backlight LEDs
• Industrial PLCs: expanding digital I/O for sensor inputs and actuator outputs
• Server motherboards: managing reset signals, status indicators, and GPIO expansion
• Portable devices: keypad scanning and LED control in smartphones and tablets

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM8333FLQ8Y/NOPB. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
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• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
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• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

LM8333FLQ8Y/NOPB 是德州儀器推出的 24 位 I/O 擴展器，採用 I²C 匯流排/SMBus 介面。它通過雙向串列匯流排為大多數微控制器系列提供通用遠端 I/O 擴展。該器件具有 24 個可配置 I/O 引腳，每個引腳可吸收高達 25 mA 的電流，適合驅動 LED 和其他負載。工作電壓範圍為 1.65 V 至 3.6 V，非常適合低電壓應用。LM8333 包含一個中斷輸出，可配置為在輸入變化時通知主機，並支援熱插入和上電復位。

詳細技術參數

核心特性

• 24 個雙向 I/O 引腳，帶可程式設計上拉電阻
• I²C 匯流排/SMBus 相容介面，最高 400 kHz
• 低待機電流消耗（典型值 1.5 µA）
• 開漏極低電平有效中斷輸出
• 上電復位和熱插入能力
• 5 V 耐壓 I/O
• 封裝：32 引腳 WQFN（6x6 mm）

典型應用場景

• 5G 基站：監控和控制功率放大器、風扇及狀態 LED
• 汽車儀錶盤：讀取開關、控制背光 LED
• 工業 PLC：擴展數位 I/O 用於感測器輸入和執行器輸出
• 伺服器主機板：管理復位信號、狀態指示燈和 GPIO 擴展
• 可攜式設備：智慧手機和平板電腦中的鍵盤掃描和 LED 控制

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM8333FLQ8Y/NOPB 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
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