STPMS2L-PUR - Dual-Channel 1-Bit 4 MHz Smart Sensor | STMicroelectronics
MPN: STPMS2L-PUR ✓ सक्रियSTPMS2L-PUR अवलोकन
A smart sensor is an application-specific IC that combines analog signal conditioning with digital conversion and control functions. The STPMS2 belongs to the signal-chain hierarchy of sensor interface ICs, analog-to-digital converters, power-management ICs, and general-purpose semiconductors. Its primary role is to convert small analog current or voltage measurements into a digital bitstream that can be filtered or processed by a microcontroller, DSP, or dedicated digital engine.
The verified product information identifies two second-order sigma-delta modulators operating at 4 MHz, non-overlapping control-signal generation, and an embedded programmable-gain low-noise amplifier. A temperature-compensated band-gap reference, a low-drop supply-voltage stabilizer, and built-in self-test structures support accurate and dependable measurements. The supplied operating-voltage information specifies a 5.5 V supply limit, while the detailed operating range requires confirmation from the manufacturer datasheet.
Each analog measuring channel converts its conditioned input into a 1-bit digital stream. Second-order sigma-delta modulation shapes quantization noise away from the measurement band, allowing digital filtering to recover a useful low-resolution representation. The dual-channel architecture supports simultaneous or interleaved measurements where system accuracy, synchronization, channel matching, and interference rejection are important design considerations.
Typical uses include electronic power meters, energy-metering equipment, smart-grid sensing, industrial power monitoring, current-transformer signal conditioning, and systems using Rogowski coils, Hall sensors, or low-ohm shunt resistors. In these systems, the STPMS2 reduces the need for separate analog front-end blocks while providing a compact interface between analog sensors and digital processing.
A critical design step is to verify the complete pinout, exposed-pad connection, clocking method, digital output protocol, input range, gain settings, and recommended filtering directly against the manufacturer datasheet. The supplied search results establish the device family and package but do not expose the complete electrical table, so those implementation details must not be inferred from generic smart-sensor designs.
This page consolidates the verified manufacturer and distributor descriptions, distinguishes published facts from missing datasheet parameters, documents sourcing and package constraints, and provides practical application guidance. It is intended to help engineers identify the correct sensor interface and plan validation without presenting unverified electrical values as manufacturer specifications.
के लिए ड्रॉप-इन विकल्प STPMS2L-PUR — समान पैकेज, पिन-टू-पिन संगत। PCB रीवर्क आवश्यक करने वाले भिन्न-पैकेज पार्ट्स शामिल नहीं हैं।
इस सीरीज़ के वेरिएंट
समान श्रृंखला के मॉडल जो ड्रॉप-इन संगत हैं STPMS2L-PUR (समान फॉर्म फैक्टर और फुटप्रिंट) — इसमें भिन्न Converter Architecture, Package.
STPMS2H-PUR
✅ ड्रॉप-इनकीमत के लिए संपर्क करें
डेटाशीट देखें →STPMS2L-PUR Maximum Ratings और Electrical Characteristics
| Device Type | Smart Sensor II application-specific standard product |
| Measuring Channels | 2 analog measuring channels |
| Converter Architecture | Second-order sigma-delta modulator per measuring channel |
| Digital Output | 1-bit |
| Modulator Clock | 4 MHz |
| Input Type | Analog |
| आउटपुट प्रकार | Digital |
| Embedded Analog Stage | Programmable gain-low-noise amplifier (PGLNA) |
| Control Signal | Non-overlapping control signal generator |
| Reference | Temperature-compensated band-gap reference voltage generator |
| Supply Support | Low-drop supply voltage stabilizer |
| Self-Test | Built-in self-test (BIST) structures |
| Compatible Sensor Types | Rogowski coil, current transformer, Hall sensor, and shunt sensor |
| पैकेज | 16-QFN (4 x 4 mm) with exposed pad |
| माउंटिंग प्रकार | Surface mount |
| Packaging | Tape and reel |
STPMS2L-PUR 16-qfn (4 x 4 mm) with exposed pad पिन कॉन्फ़िगरेशन गाइड
STPMS2L-PUR (16-qfn (4 x 4 mm) with exposed pad पैकेज) के लिए पिन कॉन्फ़िगरेशन। इस एनालॉग कंपोनेंट में इनपुट, आउटपुट और पावर सप्लाई पिन हैं। ऑफ़सेट नल, कम्पनसेशन और एनेबल पिन कॉन्फ़िगरेशन के लिए निर्माता डेटाशीट देखें। सिग्नल कंडीशनिंग और एम्प्लीफ़ायर सर्किट के लिए आदर्श।
इसके लिए कोई विस्तृत pinout data उपलब्ध नहीं: STPMS2L-PUR.
देखें डेटाशीट पूर्ण पिन कॉन्फ़िगरेशन के लिए।
सामान्य अनुप्रयोग
STPMS2L-PUR के लिए उपयुक्त है 6 अनुप्रयोगs: Smart Energy Metering, Rogowski-Coil Power Monitoring, Current-Transformer Energy Acquisition, Industrial Motor Monitoring, Hall-Sensor Power Systems, Shunt-Based High-Current Sensing.
Smart Energy Metering
The STPMS2L-PUR fits smart energy meters because it combines two analog measuring channels with 4 MHz, second-order sigma-delta conversion in a compact 16-QFN 4 x 4 mm package. A current transformer or compatible shunt can feed the measurement chain, while the digital outputs are suitable for filtering and processing by a dedicated energy-measurement controller. The embedded PGLNA, band-gap reference, and BIST structures help consolidate the analog front end and support repeatable measurements. Designers must still verify the input range, gain configuration, clocking, and filter implementation against the manufacturer datasheet before setting the sensing thresholds.
अनुशंसित
Rogowski-Coil Power Monitoring
The STPMS2L-PUR is suitable for non-contact power monitoring when the application uses a Rogowski coil and requires digital current information. Its two measuring channels can support multi-channel measurement architectures, while the 4 MHz second-order sigma-delta modulators generate 1-bit streams for subsequent digital filtering. This arrangement avoids relying on a generic analog front end and can be especially useful where galvanic isolation and low insertion loss are important. The exact input sensitivity, gain range, phase response, and channel synchronization must be verified from the complete datasheet before the sensor output scale is calibrated.
अनुशंसित
Current-Transformer Energy Acquisition
The STPMS2L-PUR can serve as the measurement IC in energy-acquisition equipment using a current transformer. Its two analog channels provide a path for conditioning transformer-derived signals, and the 1-bit, 4 MHz sigma-delta architecture supports digital extraction of the measurement waveform. The embedded PGLNA and temperature-compensated band-gap reference are important for establishing consistent signal gain and reference behavior across the device. Engineers should confirm differential input limits, common-mode range, gain settings, and the required antialias and decimation filters before production deployment.
अनुशंसित
Industrial Motor Monitoring
The STPMS2L-PUR is appropriate for motor-current monitoring where an isolated Rogowski coil, Hall sensor, or shunt provides a suitable analog measurement signal. Its compact 16-QFN package preserves board area, and the dual-channel architecture can support measurements such as phase current and another plant variable when electrical ranges are compatible. The 4 MHz sigma-delta output allows digital filtering and firmware analysis without requiring a general-purpose ADC at the front end. Protection, isolation, operating-temperature, and electromagnetic-compatibility requirements must be evaluated independently because the supplied excerpts do not provide the complete electrical limits.
अनुशंसित
Hall-Sensor Power Systems
The STPMS2L-PUR can interface with Hall-current sensors in power systems because the STMicroelectronics product family explicitly supports Hall sensors. The programmable gain-low-noise amplifier handles the analog conditioning stage, and the two second-order sigma-delta modulators convert the conditioned signal into digital data. This combination is useful when a compact digital measurement path is preferred over a discrete analog-to-digital converter. Actual signal-chain usability depends on matching the Hall-sensor output swing and bandwidth to the unverified PGLNA limits, so prototype testing and datasheet confirmation remain necessary.
अनुशंसित
Shunt-Based High-Current Sensing
The STPMS2L-PUR supports power-line measurement architectures using low-ohm shunt resistors, according to the verified STMicroelectronics description. Conditioning the shunt voltage in the analog channel and converting it through a 4 MHz second-order sigma-delta modulator creates a compact measurement path for current-control or energy-monitoring systems. The approach can reduce component count, although the shunt amplifier range, common-mode capability, channel matching, and calibration behavior are not present in the supplied excerpts. Engineers should also budget PCB area for Kelvin routing and verify EMC behavior in the final power-conversion layout.
अनुशंसित
अनुशंसित उत्पादों का सारांश
के लिए इंजीनियरिंग संदर्भ डेटा STPMS2L-PUR — तुलना, डिज़ाइन मार्गदर्शन और अनुपालन जानकारी।
चयन गाइड
विकल्पों के साथ तुलना
| पैरामीटर | यह उत्पाद | STPMS2H-PUR |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Device Type | Smart Sensor II ASSP | Smart Sensor II device |
मुख्य विशेषताएँ
- Dual-channel sigma-delta measurement architecture (बनामSTPMS2H-PUR)
- Integrated analog measurement front end (बनामSTPMS2H-PUR)
- Purpose-built support for multiple current-sensing technologies (बनामSTPMS2H-PUR)
डिज़ाइन नोट्स
Keep the sensor-signal path short and place input filtering and the exposed-pad connection exactly as directed by the manufacturer layout. The exposed pad is part of the thermal and electrical implementation, so its connection and via pattern must follow the official package drawing rather than a generic QFN land pattern. Signal and ground return paths should avoid sharing high-current switching routes.
Treat the two 1-bit outputs as a sampled sigma-delta signal chain and validate the digital decimation filter with the actual sensor, cable, and power-converter layout. Clock and data traces should be routed away from switch-node currents, while the analog input routing should minimize loop area. Do not assume that 1-bit output resolution represents the final measurement resolution; it depends on filtering and calibration.
Design the 5.5 V supply path with the low-drop internal supply stabilizer in mind, and verify the permitted operating range, quiescent current, and sequencing behavior against the complete datasheet. Place local supply decoupling close to the device using the manufacturer-recommended capacitance and voltage rating. Confirm that upstream supply noise and ripple remain within the limits required for measurement accuracy.
Do not substitute a part merely because it uses a 16-QFN package or belongs to the Smart Sensor II family. Pin assignments, input range, PGLNA gain, clocking, timing, and digital behavior must match the target PCB and application. The supplied search results do not expose the complete STPMS2H-PUR comparison, so qualification with that candidate requires the official L-versus-H data and a prototype-level compatibility review.
अनुपालन जानकारी
The supplied search excerpts do not explicitly state the compliance result for RoHS, REACH, AEC-Q100, lead-free status, halogen-free status, or conflict-minerals compliance. No compliance conclusion was inferred.
