{"id":6439,"date":"2026-06-16T03:43:35","date_gmt":"2026-06-16T03:43:35","guid":{"rendered":"https:\/\/materialparts.com\/lis2hh12tr\/"},"modified":"2026-06-16T03:43:35","modified_gmt":"2026-06-16T03:43:35","slug":"lis2hh12tr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/lis2hh12tr\/","title":{"rendered":"LIS2HH12TR"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The LIS2HH12TR is an ultra-low-power 3-axis MEMS accelerometer from STMicroelectronics, featuring 16-bit digital output via I2C\/SPI interface. With selectable full-scale ranges of \u00b12g\/\u00b14g\/\u00b18g and an integrated 32-level FIFO, it achieves 180\u00b5A operating current at 100Hz ODR. The compact LGA-12 package (2x2x0.7mm) is ideal for motion sensing in portable devices, wearables, and IoT applications.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
Number of Axes<\/td>\n3 (X, Y, Z)<\/td>\n<\/tr>\n
Full-Scale Range<\/td>\n\u00b12g \/ \u00b14g \/ \u00b18g (selectable)<\/td>\n<\/tr>\n
Resolution<\/td>\n16-bit<\/td>\n<\/tr>\n
Sensitivity<\/td>\n0.061 mg\/digit (\u00b12g range)<\/td>\n<\/tr>\n
Output Data Rate<\/td>\n1Hz to 800Hz<\/td>\n<\/tr>\n
Interface<\/td>\nI2C (up to 1MHz) \/ SPI (up to 10MHz)<\/td>\n<\/tr>\n
\u7535\u6e90\u7535\u538b<\/td>\n1.71V to 3.6V<\/td>\n<\/tr>\n
Current Consumption<\/td>\n180\u00b5A @ 100Hz ODR<\/td>\n<\/tr>\n
FIFO<\/td>\n32-level (stores X,Y,Z data)<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nLGA-12 (2.0 x 2.0 x 0.7mm)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +85\u00b0C<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 16-bit resolution with high-precision digital output<\/li>\n
  • Ultra-low power: 180\u00b5A at 100Hz ODR<\/li>\n
  • Integrated 32-level FIFO reduces host processor polling<\/li>\n
  • \u00b12g\/\u00b14g\/\u00b18g selectable full-scale ranges<\/li>\n
  • Dual interface: I2C and SPI on the same pins<\/li>\n
  • Self-test function for reliability verification<\/li>\n
  • 6D orientation detection<\/li>\n
  • Single\/double-tap recognition<\/li>\n
  • Free-fall detection<\/li>\n
  • Wakeup and activity\/inactivity detection<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Smartphones and tablets (screen rotation, gaming)<\/li>\n
    • Wearable fitness trackers and smartwatches<\/li>\n
    • IoT motion sensing nodes<\/li>\n
    • Industrial vibration monitoring<\/li>\n
    • Asset tracking and logistics<\/li>\n
    • Drones and robotics (orientation sensing)<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The LIS2HH12TR is an ultra-low-power 3-axis MEMS accelerometer from STMicroelectronics, featuring 16-bit digital output via I2C\/SPI interface. With selectable full-scale ranges of \u00b12g\/\u00b14g\/\u00b18g and an integrated 32-level FIFO, it achieves 180\u00b5A operating current at 100Hz ODR. The compact LGA-12 package (2x2x0.7mm) is ideal for motion sensing in portable devices, wearables, and IoT applications. […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,42],"tags":[],"chip_brand":[142],"class_list":["post-6439","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-sensors","chip_brand-st"],"acf":{"brief_explanation":"3-axis 16-bit MEMS accelerometer, \u00b12\/4\/8g, I2C\/SPI, 180\u00b5A, 32-level FIFO, LGA-12 2x2mm","date_code":"","package_case":"LGA-12 (2.0 x 2.0 x 0.7mm)","in_stock":12300,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/lis2hh12.pdf","price":"$0.72 @ 1ku","product_introduction":"The LIS2HH12TR is an ultra-low-power 3-axis digital MEMS accelerometer from STMicroelectronics. It features a 16-bit data output with selectable \u00b12g\/\u00b14g\/\u00b18g full-scale ranges, accessed via I2C or SPI serial interface. The device integrates a 32-level FIFO buffer that can store acceleration data, reducing the frequency of host processor reads and saving system power. Operating from 1.71V to 3.6V, it consumes only 180\u00b5A at 100Hz ODR and as little as 5\u00b5A in low-power mode. The 2x2x0.7mm LGA-12 package is among the smallest in its class, fitting into the tightest wearable and IoT designs. Built-in motion features include 6D orientation, tap recognition, free-fall detection, and activity\/inactivity interrupts.","working_principle":"The LIS2HH12 uses a capacitive MEMS sensing element with a proof mass suspended by silicon springs. Acceleration displaces the proof mass, changing the capacitance between the fixed and moving plates. A capacitive-to-voltage converter and sigma-delta ADC digitize this capacitance change into a 16-bit acceleration value for each axis. A digital filter with configurable ODR (1-800Hz) processes the output. The 32-level FIFO stores up to 32 sets of X\/Y\/Z acceleration data, allowing the host MCU to sleep between reads. Built-in state machines detect orientation changes (6D), tap events, free-fall, and activity\/inactivity, generating interrupts that can wake the host processor. The self-test function applies electrostatic force to verify sensor functionality.","pin_description":"
      Pin<\/th>Name<\/th>Description<\/th><\/tr>
      1<\/td>VDD_IO<\/td>I\/O supply voltage (1.71-3.6V)<\/td><\/tr>
      2<\/td>NC<\/td>No connect<\/td><\/tr>
      3<\/td>NC<\/td>No connect<\/th><\/tr>
      4<\/td>SCL\/SPC<\/td>I2C clock \/ SPI clock<\/td><\/tr>
      5<\/td>SDA\/SDI\/SDO<\/td>I2C data \/ SPI data in\/out<\/td><\/tr>
      6<\/td>SDO\/SA0<\/td>SPI data out \/ I2C address select<\/td><\/tr>
      7<\/td>CS<\/td>SPI chip select (active low) \/ I2C mode select<\/td><\/tr>
      8<\/td>INT1<\/td>Interrupt 1 output (configurable)<\/td><\/tr>
      9<\/td>INT2<\/td>Interrupt 2 output (configurable)<\/td><\/tr>
      10<\/td>NC<\/td>No connect<\/td><\/tr>
      11<\/td>RES<\/td>Reserved (connect to GND)<\/td><\/tr>
      12<\/td>GND<\/td>Ground<\/td><\/tr>
      Pad<\/td>VDD<\/td>Analog supply (1.71-3.6V)<\/td><\/tr><\/table>","application_scenarios":"
      • Smartphone Screen Rotation:<\/b> Use the 6D orientation detection to automatically rotate the display between portrait and landscape modes. The interrupt-driven approach consumes minimal power \u2014 the host MCU only wakes when orientation changes, not on every data sample. The \u00b12g range provides the resolution needed for tilt sensing.<\/li>
      • Wearable Activity Tracking:<\/b> Configure the FIFO in stream mode to buffer acceleration data at 25Hz ODR. The host MCU wakes every 1.3 seconds (32 samples \u00d7 40ms) to read the FIFO in a burst, then returns to sleep. At 180\u00b5A, the LIS2HH12 adds minimal drain to a coin-cell battery. Step counting algorithms use the \u00b14g range to detect walking motion.<\/li>
      • Industrial Vibration Monitoring:<\/b> Set the ODR to 800Hz with \u00b18g range to capture machine vibration signatures. The FIFO ensures no data is lost during MCU interrupt latency. Use double-tap detection to implement a non-mechanical 'wake-up' interface on sealed industrial enclosures.<\/li><\/ul>","alternative_models":"
        Model<\/th>Axes<\/th>Range<\/th>Current<\/th>Key Difference<\/th><\/tr>
        LIS2DH12TR<\/td>3<\/td>\u00b12\/4\/8\/16g<\/td>2\u00b5A LP<\/td>Lower power, 12-bit, wider range<\/td><\/tr>
        LSM6DS3<\/td>6 (acc+gyro)<\/td>\u00b12\/4\/8\/16g<\/td>560\u00b5A<\/td>Inertial module with gyroscope<\/td><\/tr>
        BMA456<\/td>3<\/td>\u00b12\/4\/8\/16g<\/td>140\u00b5A<\/td>Bosch, built-in step counter<\/td><\/tr>
        ADXL362<\/td>3<\/td>\u00b12\/4\/8g<\/td>1.8\u00b5A<\/td>ADI, ultra-low power motion detect<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6439","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=6439"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6439\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=6439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=6439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=6439"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=6439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}