STPMS1
Smart sensor Dual channel 1st order ΣΔ modulator with embedded PGA-
Active
The STPMS1, also called a smart-sensor device, is an ASSP designed for effective measurement in power line systems utilizing the Rogowski coil, current transformer, or shunt principle. It is used in combination with the STPMC1 programmable poly-phase energy calculator IC, as a building block for single-phase or poly-phase energy meters. The STPMS1 is a mixed signal IC consisting of an analog and a digital section. The analog section consists of a pre-amplifier and two 1storder ΣΔ modulator blocks, band-gap voltage reference, a low-drop voltage regulator, and DC buffers, while the digital section consists of a clock generator and output multiplexer. This device is designed for use in medium resolution measurement applications when single or double inputs must be monitored at the same time.
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Datasheet
Key Features
- VCCsupply range: 3.2 V - 5.5 V
- Two 1st order sigma-delta modulators
- Programmable chopper-stabilized low noise and low offset amplifier
- Supports 50-60 Hz AC watt meters
- Internal low-drop regulator at 3 V (typ.)
- Precision voltage reference: 1.23 V and 30 ppm/°C (typ.)
Circuit Diagram
Design Resources
TopTechnical Documentation
Product Specifications
| Description | Version | Size |
|---|---|---|
DS6545: Dual-channel 1-bit, 2 MHz, 1st order sigma-delta modulator with embedded PGA
|
2.0 | 690 KB |
Application Notes
| Description | Version | Size |
|---|---|---|
|
AN3157: STEVAL-IPE010V1 poly-phase demonstration kit for the STPMC1 and STPMS1
|
1.1 | 478 KB |
User Manual
| Description | Version | Size |
|---|---|---|
|
UM0746: Energy meter demonstration kit based on the STPMC1 and STPMS1
|
1.1 | 251 KB |
|
UM0997: STEVAL-IPP001V2: E-meter demonstration board with PLM
|
1.2 | 1,925 KB |
Presentations & Training Material
Presentations
| Description | Version | Size |
|---|---|---|
|
ST products and solutions for solar energy
|
1.0.0 | 2,135 KB |
Related Tools and Software
Related Tools and Software
| Part Number | Description |
|---|---|
| STEVAL-IPE011V1 | Energy meter demonstration kit daughterboard based on the STPMS1 |
| STEVAL-IPP002V1 | IEC 61334-5-1 compliant smart meter system for AMI application based on STM32, ST7570 PLM and STPMC1/STPMS1 chipset |
Publications and Collaterals
Brochure
| Description | Version | Size |
|---|---|---|
|
Smart grid distribution and smart meters - Energy-efficient solutions
|
1.0 | 2,118 KB |
Sample & Buy
Top| Part Number | Marketing Status | Package | Packing Type | Operating Temperature (min) | Operating Temperature (max) | Autoshutdown | Automotive Grade | Order From ST | Unit Price (US$)* @ 1000 | Distributor Availability | RoHS Compliance Grade | Download Material Declaration** |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STPMS1BPQR | Active | VFQFPN 16 3x3x0.9 | Tape And Reel | _ | - | 1.1349 | No data reported, please contact our Distributors | Ecopack2 | - | |||
(*) 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 (**) 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. |
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