PROGRAMMABLE SINGLE PHASE ENERGY METERING IC WITH TAMPER DETECTION

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  • The STPM01 is designed for effective measurement of active, reactive and apparent energy in a power line system using Rogowski coil, current transformer and shunt sensors. This device can be implemented as a single chip monophase energy meter or as a peripheral measurement in a microcontroller based monophase or 3-phase energy meter. The STPM01 consists, essentially, of two parts: the analog part and the digital part. The former, is composed by preamplifier and 1storder Δ ∑ A/D converter blocks, band gap voltage reference, low drop voltage regulator, the latter, is composed by system control, oscillator, hard wired DSP and SPI interface. There is also an OTP block, which is controlled through the SPI by means of a dedicated command set. The configured bits are used for testing, configuration and calibration purpose. From a pair of Δ ∑ output signals coming from analog section, a DSP unit computes the amount of consummated active, reactive and apparent energy, RMS and instantaneous values of voltage and current. The results of computation are available as pulse frequency and states on the digital outputs of the device or as data bits in a data stream, which can be read from the device by means of SPI interface. This system bus interface is used also during production testing of the device and/or for temporary or permanent programming of bits of internal OTP. In the STPM01 an output signal with pulse frequency proportional to energy is generated, this signal is used in the calibration phase of the energy meter application allowing a very easy approach. When the device is fully configured and calibrated, a dedicated bit of OTP block can be written permanently in order to prevent accidental entering into some test mode or changing any configuration bit.

    Key Features

    • Active, reactive, apparent energies and RMS values
    • Ripple free active energy pulsed output
    • Live and neutral monitoring for tamper detection
    • Easy and fast digital calibration in only one point over the whole current range
    • OTP for calibration and configuration
    • Integrated linear VREGs for digital and analog supply
    • Selectable RC or crystal oscillator
    • Support 50 ÷ 60 Hz – IEC62052-11, IEC62053-2x specification
    • Less than 0.1 % error
    • Precision voltage reference: 1.23 V and 30 ppm/°C max

Circuit Diagram

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Part Number
Package
Packing Type
Temperature (°C) Autoshutdown
Marketing Status
Budgetary Price (US$)*
Quantity
More info
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min
max
STPM01FTR TSSOP 20 Tape And Reel -40 85 -
NRND
1.15 1000
MORE INFO

ECCN (US):

EAR99

Country of Origin:

MALAYSIA

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Distributor availability ofSTPM01FTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6879 1 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
MOUSER WORLDWIDE 4545 1 Order Now
Farnell Element14 EUROPE 2148 1 Order Now

Distributor reported inventory date: 2019-09-15

Distributor Name

DIGIKEY

Stock

6879

Min.Order

1

Region

WORLDWIDE Order Now

FUTURE

Stock

2500

Min.Order

2500

Region

WORLDWIDE Order Now

MOUSER

Stock

4545

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2148

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-15

Buy now

STPM01FTR

Package

TSSOP 20

Packing Type

Tape And Reel

Unit Price (US$)

1.15*

Distributor availability ofSTPM01FTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6879 1 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
MOUSER WORLDWIDE 4545 1 Order Now
Farnell Element14 EUROPE 2148 1 Order Now

Distributor reported inventory date: 2019-09-15

Distributor Name

DIGIKEY

Stock

6879

Min.Order

1

Region

WORLDWIDE Order Now

FUTURE

Stock

2500

Min.Order

2500

Region

WORLDWIDE Order Now

MOUSER

Stock

4545

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2148

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-15

Operating Temperature (°C)

(min)

-40

(max)

85

Autoshutdown

-

Marketing Status

NRND

Unit Price (US$)

1.15

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

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Technical Documentation

    • Description Version Size Action
      DS4033
      Programmable single phase energy metering IC with tamper detection
      8.1
      1.2 MB
      PDF
      DS4033

      Programmable single phase energy metering IC with tamper detection

    • Description Version Size Action
      AN3306
      Current sensing in metering applications using a Pulse current sensor and ST metering devices
      1.1
      633.4 KB
      PDF
      AN2299
      Fast digital calibration procedure for STPM01 based energy meters
      2.4
      258.86 KB
      PDF
      AN3398
      Fast digital calibration procedure for STPMC1 based energy meters
      1.0
      185.8 KB
      PDF
      AN2799
      Measuring mains power consumption with the STM32x and STPM01
      1.1
      375.99 KB
      PDF
      AN3970
      PLM smartplug V2 getting started
      2.0
      631.41 KB
      PDF
      AN2159
      SPI protocol for STPM01/STPM10 metering devices
      3.1
      665.54 KB
      PDF
      AN2317
      STPM01 programmable, single-phase energy metering IC external circuits
      1.1
      257.14 KB
      PDF
      AN2512
      Three-phase meter based STPM01, VIPer12A
      1.1
      662.95 KB
      PDF
      AN2167
      Using the STPM01 with a shunt current sensor
      2.0
      53.95 KB
      PDF
      AN3306

      Current sensing in metering applications using a Pulse current sensor and ST metering devices

      AN2299

      Fast digital calibration procedure for STPM01 based energy meters

      AN3398

      Fast digital calibration procedure for STPMC1 based energy meters

      AN2799

      Measuring mains power consumption with the STM32x and STPM01

      AN3970

      PLM smartplug V2 getting started

      AN2159

      SPI protocol for STPM01/STPM10 metering devices

      AN2317

      STPM01 programmable, single-phase energy metering IC external circuits

      AN2512

      Three-phase meter based STPM01, VIPer12A

      AN2167

      Using the STPM01 with a shunt current sensor

    • Description Version Size Action
      UM1554
      Single-phase energy meter with Rogowski coil sensors based on the STPM01 and STM8L MCU
      1.0
      1.29 MB
      PDF
      UM1599
      The STPM01 and STPM1x evaluation software
      1.0
      792.01 KB
      PDF
      UM1554

      Single-phase energy meter with Rogowski coil sensors based on the STPM01 and STM8L MCU

      UM1599

      The STPM01 and STPM1x evaluation software

    • Description Version Size Action
      AN3970
      PLM smartplug V2 getting started
      2.0
      631.41 KB
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Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STPM01FTR
NRND
TSSOP 20 Industrial Ecopack2

STPM01FTR

Package:

TSSOP 20

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

TSSOP 20

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.