TPS3851G33EDRBR TI Supervisory Circuits | 8-SON(3x3) | 3.3V, 1.6% Accuracy

Product Overview

The TPS3851G33EDRBR from Texas Instruments is a high-accuracy voltage supervisor designed for monitoring 3.3V power rails. It features a precision reference with 1.6% threshold accuracy over temperature, ensuring reliable system reset during power-up, power-down, and brown-out conditions. The device is available in a compact 8-pin SON (3x3 mm) package, making it ideal for space-constrained applications. It offers a fixed-sense threshold voltage of 3.33V and a programmable delay time via an external capacitor. The open-drain RESET output remains asserted low until VDD rises above the threshold for the delay period.

Detailed Technical Specifications

Key Features

• High accuracy: ±1.6% threshold tolerance over full temperature range
• Ultra-low quiescent current: 5.5 µA typical
• Programmable reset delay time with external capacitor
• Open-drain RESET output with internal pull-up resistor option
• Fixed threshold voltage for 3.3V systems
• Small 8-pin SON package (3x3 mm) for space-saving designs
• Wide supply voltage range: 1.8V to 6.5V
• Temperature range: -40°C to +125°C

Target Applications

• 5G base station power management
• Automotive dashboard and infotainment systems
• Industrial control systems and PLCs
• Portable and battery-powered devices
• FPGA, DSP, and microcontroller power monitoring
• Medical equipment requiring high reliability

Global Supply Chain & Wholesale Solutions

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產品概述

TPS3851G33EDRBR 是德州儀器（TI）推出的一款高精度電壓監控器，專為監控 3.3V 電源軌而設計。它採用精度為 1.6% 的參考電壓，可在整個溫度範圍內確保系統在上電、斷電和電壓驟降時可靠復位。該器件採用緊湊的 8 引腳 SON（3x3 mm）封裝，非常適合空間受限的應用。它提供固定的 3.33V 檢測閾值，並可通過外部電容器編程延遲時間。開漏 RESET 輸出在 VDD 上升至閾值以上並持續延遲時間之前保持低電平有效。

詳細技術參數

核心特性

• 高精度：全溫度範圍內閾值容差 ±1.6%
• 超低靜態電流：典型值 5.5 µA
• 通過外部電容器可編程復位延遲時間
• 開漏 RESET 輸出，可選內部上拉電阻
• 固定閾值電壓，適用於 3.3V 系統
• 小型 8 引腳 SON 封裝（3x3 mm），節省空間
• 寬電源電壓範圍：1.8V 至 6.5V
• 溫度範圍：-40°C 至 +125°C

典型應用場景

• 5G 基站電源管理
• 汽車儀表板及信息娛樂系統
• 工業控制系統和 PLC
• 便攜式和電池供電設備
• FPGA、DSP 和微控制器電源監控
• 需要高可靠性的醫療設備

環球供應鏈與批發合作夥伴方案

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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
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