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STPM32TR +BOM

ASSP for metering applications with up to four independent 24-bit 2nd order sigma-delta ADCs, 4 MHz OSF and 2 embedded PGLNA

STPM32TR Information

Description

The STPM32TR is a high-accuracy, quad-channel power meter IC from STMicroelectronics. It features RMS voltage monitoring, voltage sag and swell detection, and dual-mode energy measurement. The device offers a wide temperature range, compliance with IEC/EN standards, and operates up to 16 MHz. It also has programmable outputs, gain amplifiers, and overcurrent detection. The STPM32TR is suitable for DC and AC applications and is commonly used in smart meters, data concentrators, industrial automation systems, smart grid, building automation, and renewable energy monitoring systems. Its features include averaged power calculation, four independent ADCs, and an error margin of 1%. The device also has a low supply current, making it suitable for battery-powered devices.

Features

According to the product information, the features of STPM32TR are:

  • RMS voltage monitoring active
  • Voltage sag and swell detection enabled
  • Dual-mode energy measurement supported
  • Wide temperature range
  • Fully compliant with IEC/EN standards
  • Operating frequency up to 16 MHz
  • Suitable for DC and AC applications
  • Fully programmable outputs
  • Programmable gain amplifiers
  • Limited by power supply voltage
  • Error margin of 1%
  • External clock source allowed
  • Battery life extended with low supply current
  • Error margin of 0.1%
  • Overcurrent detection enabled
  • Averaged power calculation supported
  • Four independent ADCs available

Package

The package type of STPM32TR is Quad Flat No-Lead (QFN) with a size of 4x4 mm-1.

Pinout

The STPM32TR has a pin count of 24 pins in a QFN24 package. The functions of each pin are:

  • VCC: Power supply input
  • GND: Ground reference
  • SCL: Serial clock input
  • SDA: Serial data input/output
  • INT: Interrupt output
  • PWRFAIL: Power failure detection output
  • OCP: Overcurrent detection output
  • UVLO: Undervoltage lockout output
  • VCC_BAT: Battery power supply input (for backup power)
  • GND_BAT: Ground reference for battery backup

The remaining pins are dedicated to the four analog-to-digital converters (ADCs) and other internal functions.

Manufacturer

The manufacturer of the STPM32TR is STMicroelectronics, a leading global semiconductor company that designs, develops, and manufactures a wide range of microelectronic components, including microcontrollers, memory devices, and sensors.

Applications

According to the product information, STPM32TR is commonly used in various energy measurement applications, including:

  • Smart meters
  • Data concentrators
  • Industrial automation systems
  • Smart grid systems
  • Building automation systems
  • Renewable energy monitoring systems

These areas require accurate power consumption measurement and monitoring, which are possible with the device's features such as RMS voltage monitoring, voltage sag and swell detection, and dual-mode energy measurement.

Equivalent

Based on the features and applications of STPM32TR, equivalent products could be:

  • Texas Instruments' ADCMP350
  • Analog Devices' ADuM4130
  • Maxim Integrated's MAX1971
  • ON Semiconductor's NCP1612

These ICs share similar characteristics such as high accuracy, energy measurement capabilities, and programmable outputs, making them suitable alternatives for the STPM32TR.

Specifications

Category Integrated Circuits (ICs)Power Management (PMIC)Energy Metering Input Impedance -
Measurement Error - Voltage - I/O High -
Voltage - I/O Low - Current - Supply 3.9mA
Voltage - Supply 2.95 V ~ 3.65 V Meter Type 2 x Single Phase
Operating Temperature -40°C ~ 85°C Mounting Type Surface Mount
Base Product Number STPM32 Package/Case QFN24

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Ratings and Reviews

More
M
M**e 08/09/2024

Received the Item. Thank you!!!!

7
E
E**n 01/11/2022

It came quickly. outwardly everything is beautiful. packing at altitude. i recommend.

1
E
E**a 10/19/2021

The goods were received in time, the working capacity was not checked

12
M
M**n 11/14/2020

Delivered. Tested. Crimea-ukraine

11

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