产品概述
描述
The STPM3x is an ASSP family designed for high accuracy measurement of power and energies in power line systems using the Rogowski coil, current transformer or shunt current sensors. The STPM3x provides instantaneous voltage and current waveforms and calculates RMS values of voltage and currents, active, reactive and apparent power and energies. The STPM3x is a mixed signal IC family consisting of an analog and a digital section. The analog section consists of up to two programmable gain low-noise low-offset amplifiers and up to four 2nd order 24-bit sigma-delta ADCs, two bandgap voltage references with independent temperature compensation, a low drop voltage regulator and DC buffers. The digital section consists of digital filtering stage, a hardwired DSP, DFE to the input and a serial communication interface (UART or SPI). The STPM3x is fully configurable and allows a fast digital system calibration in a single point over the entire current dynamic range.-
所有功能
- Active power accuracy:
- < 0.1% error over 5000 : 1 dynamic range
- < 0.5% error over 10000 : 1 dynamic range
- Exceeds 50-60 Hz EN 50470-x, IEC 62053-2x, ANSI12.2x standard requirements for AC watt meters
- Reactive power accuracy:
- < 0.1% error over 2000 : 1 dynamic range
- Dual mode apparent energy calculation
- Instantaneous and averaged power
- RMS and instantaneous voltage and current
- Under and overvoltage detection (sag and swell) and monitoring
- Overcurrent detection and monitoring
- UART and SPI serial interface with programmable CRC polynomial verification
- Programmable LED and interrupt outputs
- Four independent 24-bit 2nd order sigma-delta ADCs
- Two programmable gain chopper stabilized low-noise and low-offset amplifiers
- Bandwidth 3.6 kHz at -3 dB
- Vcc supply range 3.3 V ± 10%
- Supply current Icc 4.3 mA (STPM32)
- Input clock frequency 16 MHz, Xtal or external source
- Twin precision voltage reference: 1.18 V with independent programmable TC, 30 ppm/°C typ.
- Internal low drop regulator at 3 V (typ.)
- QFN packages
- Operating temperature from -40 °C to +105 °C
- Active power accuracy:
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全部资源
| Resource title | 版本 | Latest update |
|---|
产品规格 (1)
| Resource title | 版本 | Latest update | ||
|---|---|---|---|---|
| 10.0 | 15 Feb 2022 | 15 Feb 2022 |
应用手册 (1)
| Resource title | 版本 | Latest update | ||
|---|---|---|---|---|
| 3.0 | 06 Feb 2020 | 06 Feb 2020 |
用户手册 (2)
| Resource title | 版本 | Latest update | ||
|---|---|---|---|---|
| 2.0 | 12 Sep 2017 | 12 Sep 2017 | ||
| 1.2 | 23 Nov 2016 | 23 Nov 2016 |
Design Notes & Tips (1)
| Resource title | 版本 | Latest update | ||
|---|---|---|---|---|
| 2.1 | 01 Apr 2022 | 01 Apr 2022 |
工具/软件相关的应用笔记 (1)
| Resource title | 版本 | Latest update | ||
|---|---|---|---|---|
| 3.0 | 06 Feb 2020 | 06 Feb 2020 |
简报 (1)
| Resource title | 版本 | Latest update | ||
|---|---|---|---|---|
| 1.0 | 06 Feb 2020 | 06 Feb 2020 |
宣传册 (1)
| Resource title | 版本 | Latest update | ||
|---|---|---|---|---|
| 10.2016 | 06 Feb 2020 | 06 Feb 2020 |
手册 (1)
| Resource title | 版本 | Latest update | ||
|---|---|---|---|---|
| 1.1 | 23 Aug 2021 | 23 Aug 2021 |
EDA符号、封装和3D模型
STMicroelectronics - STPM34
为您的应用下载所有EDA符号、封装和3D模型，加快您的设计速度。您可以从大量CAD格式中进行选择，以匹配您的设计工具链。
符号
封装
3D模型
质量与可靠性
| 产品型号 | Marketing Status | 封装 | 等级规格 | 符合RoHS级别 | 材料声明** |
|---|---|---|---|---|---|
| STPM34TR | 批量生产 | VFQFPN 32 5x5x1.0 mm | 工业 | Ecopack2 | |
STPM34TR
Package:
VFQFPN 32 5x5x1.0 mmMaterial Declaration**:
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持。
样片和购买
| 产品型号 | 从分销商订购 | 从ST订购 | 供货状态 | ECCN (US) | ECCN (EU) | 包装类型 | 封装 | 温度（ºC） | Autoshutdown | Country of Origin | Budgetary Price (US$)*/Qty | 更多信息 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小值 | 最大值 | |||||||||||||
| STPM34TR | 2 distributors | 批量生产 | EAR99 | NEC | Tape And Reel | VFQFPN 32 5x5x1.0 mm | -40 | 105 | - | CHINA | | |||