STPM01FTR - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

STPM01FTR
Manufacturer

ST Microelectronics
ChipWorker Part#

CW21529900
Category

Power Management IC
Package

TSSOP-20
Description

AFE 2ADC 3.3V/5V 20Pin TSSOP T/R
Documentation

Datasheet

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STPM01FTR Specifications

Attribute	Attribute Value

Part Number	STPM01FTR
Manufacturer	ST Microelectronics
ChipWorker Part#	CW21529900
Category	Power Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	TSSOP-20
Supply Current	5 mA
Number of Channels	2 Channel
Number of Positions	20 Position
Input Impedance	100 kΩ
Number of ADCs	2 ADC
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	3V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	3.165 V
Input Voltage	3.165V ~ 5.5V
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Size-Height	1 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

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

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