STPM33TR ST Energy Metering IC | 32-QFN(5x5) | Single-Phase, 0.5% Accuracy

Product Overview

The STPM33TR is a high-performance, single-phase energy metering IC from STMicroelectronics, designed for accurate active, reactive, and apparent energy measurement. It integrates two second-order sigma-delta ADCs, a digital integrator, and a dedicated DSP for energy calculation. The device operates over a wide supply voltage range and provides serial SPI and I2C interfaces for data communication. Housed in a compact 32-QFN (5x5 mm) package, it is ideal for smart meters, power monitoring, and industrial applications.

Detailed Technical Specifications

Key Features

• Single-phase energy metering with active, reactive, and apparent energy
• Two independent 16-bit sigma-delta ADCs
• Digital integrator for Rogowski coil sensors
• Programmable gain amplifier (PGA)
• On-chip temperature sensor
• SPI and I2C serial interfaces
• Low power consumption: 5 mA typical
• Compact 32-QFN package for space-constrained designs

Target Applications

• Smart energy meters for residential and commercial use
• Power monitoring systems in 5G base stations
• Industrial motor drives and power distribution units
• EV charging stations
• Building automation and energy management systems
• Dashboard power monitoring in electric vehicles

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for STPM33TR. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

STPM33TR是意法半导体推出的一款高性能单相电能计量IC，专为精确测量有功、无功和视在电能而设计。它集成了两个二阶sigma-delta ADC、一个数字积分器和一个专用DSP用于电能计算。该器件在宽电源电压范围内工作，并提供SPI和I2C串行接口用于数据通信。采用紧凑的32-QFN（5x5 mm）封装，非常适合智能电表、电力监控和工业应用。

詳細技術參數

核心特性

• 单相电能计量，支持有功、无功和视在电能
• 两个独立的16位sigma-delta ADC
• 用于罗氏线圈传感器的数字积分器
• 可编程增益放大器（PGA）
• 片上温度传感器
• SPI和I2C串行接口
• 低功耗：典型值5 mA
• 紧凑的32-QFN封装，适合空间受限的设计

典型應用場景

• 住宅和商业用智能电能表
• 5G基站的电力监控系统
• 工业电机驱动和配电单元
• 电动汽车充电站
• 楼宇自动化和能源管理系统
• 电动汽车仪表盘功率监控

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 STPM33TR 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]