{"id":5468,"date":"2026-06-10T02:25:22","date_gmt":"2026-06-10T02:25:22","guid":{"rendered":"https:\/\/materialparts.com\/lps22hbtr\/"},"modified":"2026-06-10T02:25:22","modified_gmt":"2026-06-10T02:25:22","slug":"lps22hbtr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/lps22hbtr\/","title":{"rendered":"LPS22HBTR"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The LPS22HBTR from STMicroelectronics is an ultra-compact piezoresistive pressure sensor with I2C\/SPI output in a 10-pin HCLGA (2.5 x 2.5 x 0.73mm) package. With 260-1260 hPa measurement range, 24-bit resolution, +\/-1 hPa relative accuracy, and 12.5uA current consumption, it is designed for barometric pressure and altitude measurement in mobile and wearable devices.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Sensor Type<\/td>\nPiezoresistive absolute pressure<\/td>\n<\/tr>\n
Pressure Range<\/td>\n260 to 1260 hPa<\/td>\n<\/tr>\n
Relative Accuracy<\/td>\n+\/-0.1 hPa (typical @ 25C, 900-1100hPa)<\/td>\n<\/tr>\n
Absolute Accuracy<\/td>\n+\/-1 hPa (900-1100hPa, 0-60C)<\/td>\n<\/tr>\n
Resolution<\/td>\n24-bit (0.00025 hPa LSB)<\/td>\n<\/tr>\n
Output Data Rate<\/td>\n1Hz to 75Hz (configurable)<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n1.7V to 3.6V<\/td>\n<\/tr>\n
Supply Current<\/td>\n12.5 uA @ 50Hz ODR; 3 uA @ 1Hz<\/td>\n<\/tr>\n
Power-Down Current<\/td>\n0.5 uA<\/td>\n<\/tr>\n
\u0627\u0644\u0648\u0627\u062c\u0647\u0629<\/td>\nI2C (up to 1MHz) \/ SPI (up to 10MHz)<\/td>\n<\/tr>\n
I2C Address<\/td>\n0x5C (SDO=GND) \/ 0x5D (SDO=VDD)<\/td>\n<\/tr>\n
Temperature Sensor<\/td>\nEmbedded (+\/-2C accuracy)<\/td>\n<\/tr>\n
FIFO<\/td>\n32-slot embedded FIFO<\/td>\n<\/tr>\n
Embedded Functions<\/td>\nLow-pass filter, DRDY, FIFO flags<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40 to +85 C<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nHCLGA-10 (2.5 x 2.5 x 0.73 mm)<\/td>\n<\/tr>\n
Status<\/td>\n\u0646\u0634\u0637<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Ultra-compact 2.5 x 2.5 x 0.73mm HCLGA package<\/li>\n
  • +\/-0.1 hPa relative accuracy for floor-level altitude<\/li>\n
  • 24-bit pressure data output<\/li>\n
  • Ultra-low 12.5uA current at 50Hz ODR<\/li>\n
  • Both I2C and SPI digital interfaces<\/li>\n
  • Embedded 32-slot FIFO with multiple modes<\/li>\n
  • Embedded temperature sensor<\/li>\n
  • Programmable ODR from 1Hz to 75Hz<\/li>\n
  • 0.5uA power-down current<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Barometric pressure measurement<\/li>\n
    • Altitude\/floor detection in indoor navigation<\/li>\n
    • Weather forecasting<\/li>\n
    • Wearable fitness trackers<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The LPS22HBTR from STMicroelectronics is an ultra-compact piezoresistive pressure sensor with I2C\/SPI output in a 10-pin HCLGA (2.5 x 2.5 x 0.73mm) package. With 260-1260 hPa measurement range, 24-bit resolution, +\/-1 hPa relative accuracy, and 12.5uA current consumption, it is designed for barometric pressure and altitude measurement in mobile and wearable devices. Key […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36,13],"tags":[],"chip_brand":[142],"class_list":["post-5468","post","type-post","status-publish","format-standard","hentry","category-gate-driver-ics","category-integrated-circuits-ics","chip_brand-st"],"acf":{"brief_explanation":"Piezo pressure sensor, 260-1260hPa, +\/-0.1hPa, I2C\/SPI, HCLGA-10","date_code":"","package_case":"HCLGA-10 (2.5 x 2.5 x 0.73 mm)","in_stock":5086,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/lps22hb.pdf","price":"$2.40 @ 1ku","product_introduction":"The LPS22HBTR from STMicroelectronics is an ultra-compact piezoresistive absolute pressure sensor in a 10-pin HCLGA (holeless ceramic land grid array) package measuring only 2.5 x 2.5 x 0.73mm. The TR denotes tape and reel packaging. The device measures absolute pressure from 260 to 1260 hPa with 24-bit resolution and outstanding +\/-0.1 hPa relative accuracy at 25C over the 900-1100 hPa range, enabling floor-level altitude detection in indoor navigation applications. The sensor consists of a MEMS piezoresistive pressure sensing element and an ASIC with signal conditioning, A\/D conversion, and digital interface. The ASIC provides temperature compensation, first-level offset calibration, and programmable ODR (1-75Hz). An embedded 32-slot FIFO can store pressure and temperature data in bypass, FIFO, continuous, or watermark modes, reducing host processor read frequency. The embedded temperature sensor provides +\/-2C accuracy for additional system temperature monitoring. Both I2C (up to 1MHz) and SPI (up to 10MHz) interfaces are supported. The ultra-low 12.5uA current consumption at 50Hz ODR and 0.5uA power-down mode make it ideal for battery-powered wearables.","working_principle":"The LPS22HBTR operates through three subsystems: (1) MEMS Sensing Element: A silicon membrane with embedded piezoresistive elements forms a Wheatstone bridge. Atmospheric pressure deflects the membrane, changing the piezoresistor values and producing a differential voltage proportional to the applied pressure. The membrane is designed to measure absolute pressure relative to a vacuum reference cavity sealed during manufacturing. (2) Signal Conditioning ASIC: The bridge output is amplified by a programmable gain amplifier (PGA), converted to digital by a 24-bit sigma-delta ADC, and processed by a digital filter. Factory-calibrated offset and temperature coefficients are stored in on-chip non-volatile memory and applied in real-time to compensate for process variation and temperature drift. The compensated pressure data is available in hPa units (1 LSB = 1\/4096 hPa). (3) Digital Interface: Pressure and temperature data are accessed through I2C or SPI registers. A configurable ODR selects the update rate (1-75Hz). The FIFO accumulates data samples to reduce host polling frequency. The DRDY signal indicates when new data is available. A hardware low-pass filter reduces noise at lower ODRs.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>
      1<\/td>VDD_IO<\/td>Power<\/td>IO supply (1.7-3.6V)<\/td><\/tr>
      2<\/td>SDA\/SDI<\/td>I\/O<\/td>I2C data \/ SPI MOSI<\/td><\/tr>
      3<\/td>SCL\/SPC<\/td>Input<\/td>I2C clock \/ SPI clock<\/td><\/tr>
      4<\/td>SA0\/SDO<\/td>I\/O<\/td>I2C address select \/ SPI MISO<\/td><\/tr>
      5<\/td>CS<\/td>Input<\/td>SPI chip select (I2C mode: tie to VDD)<\/td><\/tr>
      6<\/td>DRDY<\/td>Output<\/td>Data ready interrupt<\/td><\/tr>
      7<\/td>INT_DRDY<\/td>Output<\/td>Programmable interrupt<\/td><\/tr>
      8-9<\/td>Reserved<\/td>-<\/td>Connect to GND<\/td><\/tr>
      10<\/td>GND<\/td>Power<\/td>Ground<\/td><\/tr>
      -<\/td>VDD<\/td>Power<\/td>Analog supply (1.7-3.6V, bottom pad)<\/td><\/tr><\/table>","application_scenarios":"
      • Indoor navigation floor detection using +\/-0.1hPa relative accuracy to resolve 1-meter altitude changes from barometric pressure readings at 50Hz ODR<\/li>
      • Wearable fitness tracker barometric altimeter with 12.5uA current, 2.5x2.5mm footprint, and I2C interface to the MCU<\/li>
      • Weather station barometric pressure sensor with 24-bit resolution, 32-slot FIFO, and SPI interface at 10MHz for high-speed data logging<\/li>
      • Drone altitude hold using absolute pressure measurement at 75Hz ODR with DRDY interrupt-driven data acquisition<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Accuracy<\/th>Current<\/th>Notes<\/th><\/tr>
        LPS22DFTR<\/td>ST<\/td>+\/-0.1hPa<\/td>3.5uA<\/td>Newer, lower power<\/td><\/tr>
        LPS27HHWTR<\/td>ST<\/td>+\/-0.1hPa<\/td>18uA<\/td>Water-resistant package<\/td><\/tr>
        BMP388<\/td>Bosch<\/td>+\/-0.08hPa<\/td>2.8uA<\/td>Competitive accuracy<\/td><\/tr>
        DPS310<\/td>Infineon<\/td>+\/-0.06hPa<\/td>3.5uA<\/td>Higher accuracy option<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/5468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=5468"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/5468\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=5468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=5468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=5468"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=5468"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}