component

LSM6DS3

Public Made by Adom

by adom

ST 6-axis inertial module, LGA-14. 3D accelerometer + 3D gyroscope, I2C/SPI, FIFO, embedded functions. Datasheet-verified.

Also listed as LSM6DS3TR

componentsensorimuaccelerometergyroscope6-axislga-14stmicroelectronics
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lsm6ds3: ST's LSM6DS3 datasheet (DocID026899 Rev 4) replaces the LSM6DS3TR-C one; pin 10 is OCS, pins 13/14 named SCL/SDA as ST's table; TR-C removed from variants

Ray ·f9d4186fee · ·parent 439f56a
6 files changed +81−59
README.md+5−5docs/lsm6ds3-datasheet.pdflsm6ds3.kicad_sym+4−4lsm6ds3.lbr+58−38package.json+1−1page.json+13−11
README.md+5−5
@@ -17,11 +17,11 @@ A 6-axis inertial measurement unit in a 3 x 2.5 mm LGA-14, combining a 3D accele | 7 | GND | power_in | 0 V ground return. Both GND pins (6 and 7) must be tied to the board ground plane. | | 8 | VDD | power_in | Main analog supply, 1.71 V to 3.6 V. A 100 nF filter capacitor is recommended close to the pin. | | 9 | INT2 | bidirectional | Programmable interrupt 2 output / data-enable (DEN) input used to timestamp external events into the FIFO. In Mode 2 this pin can alternatively act as the I²C master external synchronization signal (MDRDY) indicating a new sample from a sensor-hub slave. |-| 10 | NC | unconnected | No internal connection. Leave electrically unconnected but solder to PCB for mechanical support. |+| 10 | OCS | input | Auxiliary SPI 3-wire interface enable (mode 3). Leave unconnected in modes 1 and 2 (datasheet Table 2, p.18). | | 11 | NC | unconnected | No internal connection. Leave electrically unconnected but solder to PCB for mechanical support. | | 12 | CS | input | I²C / SPI mode selection and SPI chip-select. CS = 1 selects I²C mode (SPI idle); CS = 0 enables SPI communication (I²C disabled). Must be driven high or tied to VDDIO if only I²C is used. |-| 13 | SCL/SPC | input | I²C serial clock (SCL) when I²C is selected, or SPI serial port clock (SPC) when SPI is selected. Muxed between the two host protocols by the CS pin. |-| 14 | SDA/SDI/SDO | bidirectional | I²C serial data (SDA) in I²C mode; SPI 4-wire serial data input (SDI) in SPI mode; SPI 3-wire bidirectional serial data (SDO) when SIM = 1 (3-wire SPI). Function selected by CS and SIM configuration. |+| 13 | SCL | input | I²C serial clock (SCL) when I²C is selected, or SPI serial port clock (SPC) when SPI is selected. Muxed between the two host protocols by the CS pin. |+| 14 | SDA | bidirectional | I²C serial data (SDA) in I²C mode; SPI 4-wire serial data input (SDI) in SPI mode; SPI 3-wire bidirectional serial data (SDO) when SIM = 1 (3-wire SPI). Function selected by CS and SIM configuration. |  ## Key specifications @@ -40,7 +40,7 @@ A 6-axis inertial measurement unit in a 3 x 2.5 mm LGA-14, combining a 3D accele  Same part, different packaging or reel option. -- `LSM6DS3TR-C (LGA-14)`+- `LSM6DS3TR (LGA-14)` - `LSM6DS3 (LGA-14)`  ## CAD (KiCad official)@@ -54,7 +54,7 @@ Same part, different packaging or reel option.  Data extracted from the manufacturer datasheet, not a distributor listing: -- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/lsm6ds3tr-c.pdf) (115 pp, sha256 `251737db70e3b6cd`, retrieved 2026-08-17, tier: manufacturer)+- **Datasheet:** [STMicroelectronics LSM6DS3 datasheet, DocID026899 Rev 4](https://cdn.sparkfun.com/assets/learn_tutorials/4/1/6/DM00133076.pdf) (95 pp, sha256 `ec33c24904ddeeb2`, retrieved 2026-11-11; ST no longer hosts this obsolete part's datasheet, so this is SparkFun's copy of ST's document). Corrected 2026-11-11: the page previously carried the LSM6DS3TR-C datasheet, a different sensor. - **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - **CAD:** KiCad official libraries (CC-BY-SA 4.0).
docs/lsm6ds3-datasheet.pdf
⋯ 1 unchanged line ⋯
lsm6ds3.kicad_sym+4−4
@@ -42,7 +42,7 @@ 				(justify left) 			) 		)-		(property "Datasheet" "https://www.st.com/resource/en/datasheet/lsm6ds3tr-c.pdf"+		(property "Datasheet" "https://cdn.sparkfun.com/assets/learn_tutorials/4/1/6/DM00133076.pdf" 			(at 2.54 -16.51 0) 			(show_name no) 			(do_not_autoplace no)@@ -121,7 +121,7 @@ 			(pin bidirectional line 				(at -15.24 5.08 0) 				(length 2.54)-				(name "SDX"+				(name "SDx" 					(effects 						(font 							(size 1.27 1.27)@@ -139,7 +139,7 @@ 			(pin input line 				(at -15.24 2.54 0) 				(length 2.54)-				(name "SCX"+				(name "SCx" 					(effects 						(font 							(size 1.27 1.27)@@ -267,7 +267,7 @@ 				(at 12.7 -5.08 180) 				(length 3.81) 				(hide yes)-				(name "NC"+				(name "OCS" 					(effects 						(font 							(size 1.27 1.27)
lsm6ds3.lbr+58−38
@@ -52,22 +52,34 @@ <library> <description>I2C/SPI, iNEMO inertial module: always-on 3D accelerometer and 3D gyroscope</description> <packages>-<package name="LSM6DS3">-  <description>LSM6DS3</description>-  <smd name="1" x="-1.1625" y="0.7500" dx="0.6250" dy="0.3500" layer="1"/>-  <smd name="2" x="-1.1625" y="0.2500" dx="0.6250" dy="0.3500" layer="1"/>-  <smd name="3" x="-1.1625" y="-0.2500" dx="0.6250" dy="0.3500" layer="1"/>-  <smd name="4" x="-1.1625" y="-0.7500" dx="0.6250" dy="0.3500" layer="1"/>-  <smd name="5" x="-0.5000" y="-0.9125" dx="0.3500" dy="0.6250" layer="1"/>-  <smd name="6" x="0.0000" y="-0.9125" dx="0.3500" dy="0.6250" layer="1"/>-  <smd name="7" x="0.5000" y="-0.9125" dx="0.3500" dy="0.6250" layer="1"/>-  <smd name="8" x="1.1625" y="-0.7500" dx="0.6250" dy="0.3500" layer="1"/>-  <smd name="9" x="1.1625" y="-0.2500" dx="0.6250" dy="0.3500" layer="1"/>-  <smd name="10" x="1.1625" y="0.2500" dx="0.6250" dy="0.3500" layer="1"/>-  <smd name="11" x="1.1625" y="0.7500" dx="0.6250" dy="0.3500" layer="1"/>-  <smd name="12" x="0.5000" y="0.9125" dx="0.3500" dy="0.6250" layer="1"/>-  <smd name="13" x="0.0000" y="0.9125" dx="0.3500" dy="0.6250" layer="1"/>-  <smd name="14" x="-0.5000" y="0.9125" dx="0.3500" dy="0.6250" layer="1"/>+<package name="LGA-14_3x2.5mm_P0.5mm_LayoutBorder3x4y">+  <description>LGA-14, 3 x 2.5 mm, 0.5 mm pitch</description>+  <smd name="1" x="-1.1625" y="0.7500" dx="0.6250" dy="0.3500" layer="1" roundness="50"/>+  <smd name="2" x="-1.1625" y="0.2500" dx="0.6250" dy="0.3500" layer="1" roundness="50"/>+  <smd name="3" x="-1.1625" y="-0.2500" dx="0.6250" dy="0.3500" layer="1" roundness="50"/>+  <smd name="4" x="-1.1625" y="-0.7500" dx="0.6250" dy="0.3500" layer="1" roundness="50"/>+  <smd name="5" x="-0.5000" y="-0.9125" dx="0.3500" dy="0.6250" layer="1" roundness="50"/>+  <smd name="6" x="0.0000" y="-0.9125" dx="0.3500" dy="0.6250" layer="1" roundness="50"/>+  <smd name="7" x="0.5000" y="-0.9125" dx="0.3500" dy="0.6250" layer="1" roundness="50"/>+  <smd name="8" x="1.1625" y="-0.7500" dx="0.6250" dy="0.3500" layer="1" roundness="50"/>+  <smd name="9" x="1.1625" y="-0.2500" dx="0.6250" dy="0.3500" layer="1" roundness="50"/>+  <smd name="10" x="1.1625" y="0.2500" dx="0.6250" dy="0.3500" layer="1" roundness="50"/>+  <smd name="11" x="1.1625" y="0.7500" dx="0.6250" dy="0.3500" layer="1" roundness="50"/>+  <smd name="12" x="0.5000" y="0.9125" dx="0.3500" dy="0.6250" layer="1" roundness="50"/>+  <smd name="13" x="0.0000" y="0.9125" dx="0.3500" dy="0.6250" layer="1" roundness="50"/>+  <smd name="14" x="-0.5000" y="0.9125" dx="0.3500" dy="0.6250" layer="1" roundness="50"/>+  <polygon width="0.1200" layer="21">+    <vertex x="-1.7400" y="0.7500"/>+    <vertex x="-2.0700" y="0.5100"/>+    <vertex x="-2.0700" y="0.9900"/>+  </polygon>+  <polygon width="0.1000" layer="51">+    <vertex x="-0.8750" y="1.2500"/>+    <vertex x="1.5000" y="1.2500"/>+    <vertex x="1.5000" y="-1.2500"/>+    <vertex x="-1.5000" y="-1.2500"/>+    <vertex x="-1.5000" y="0.6250"/>+  </polygon>   <wire x1="-1.6100" y1="1.3600" x2="-0.9350" y2="1.3600" width="0.1200" layer="21"/>   <wire x1="-1.6100" y1="1.1850" x2="-1.6100" y2="1.3600" width="0.1200" layer="21"/>   <wire x1="-1.6100" y1="-1.3600" x2="-1.6100" y2="-1.1850" width="0.1200" layer="21"/>@@ -82,26 +94,27 @@ </packages> <symbols> <symbol name="LSM6DS3">+  <description>I2C/SPI, iNEMO inertial module: always-on 3D accelerometer and 3D gyroscope</description>   <wire x1="-12.7" y1="12.7" x2="12.7" y2="12.7" width="0.254" layer="94"/>   <wire x1="12.7" y1="12.7" x2="12.7" y2="-12.7" width="0.254" layer="94"/>   <wire x1="12.7" y1="-12.7" x2="-12.7" y2="-12.7" width="0.254" layer="94"/>   <wire x1="-12.7" y1="-12.7" x2="-12.7" y2="12.7" width="0.254" layer="94"/>-  <text x="0" y="15.239999999999998" size="1.27" layer="95" align="bottom-center">&gt;NAME</text>-  <text x="0" y="-15.239999999999998" size="1.27" layer="96" align="top-center">&gt;VALUE</text>-  <pin name="SDO/SA0" x="-15.24" y="7.62" length="short" direction="io"/>-  <pin name="SDX" x="-15.24" y="5.08" length="short" direction="io"/>-  <pin name="SCX" x="-15.24" y="2.54" length="short" direction="in"/>-  <pin name="INT1" x="15.24" y="7.62" length="short" direction="out" rot="R180"/>-  <pin name="VDDIO" x="0" y="15.24" length="short" direction="pwr" rot="R270"/>-  <pin name="GND" x="0" y="-15.24" length="short" direction="pwr" rot="R90"/>-  <pin name="GND@2" x="0" y="-15.24" length="short" direction="pas" rot="R90"/>-  <pin name="VDD" x="2.54" y="15.24" length="short" direction="pwr" rot="R270"/>-  <pin name="INT2" x="15.24" y="5.08" length="short" direction="out" rot="R180"/>-  <pin name="NC" x="12.7" y="-5.08" length="middle" direction="io" rot="R180"/>-  <pin name="NC@2" x="12.7" y="-2.54" length="middle" direction="io" rot="R180"/>-  <pin name="CS" x="-15.24" y="-7.62" length="short" direction="in"/>-  <pin name="SCL" x="-15.24" y="-5.08" length="short" direction="in"/>-  <pin name="SDA" x="-15.24" y="-2.54" length="short" direction="io"/>+  <text x="-11.4300" y="15.2400" size="1.27" layer="95" align="center">&gt;NAME</text>+  <text x="-11.4300" y="12.7000" size="1.27" layer="96" align="center">&gt;VALUE</text>+  <pin name="SDO/SA0" x="17.78" y="0" length="middle" direction="io" rot="R180"/>+  <pin name="SDx" x="17.78" y="-2.539999999999999" length="middle" direction="io" rot="R180"/>+  <pin name="SCx" x="-17.78" y="5.08" length="middle" direction="in"/>+  <pin name="INT1" x="17.78" y="10.16" length="middle" direction="out" rot="R180"/>+  <pin name="VDDIO" x="-17.78" y="-7.620000000000001" length="middle" direction="pwr"/>+  <pin name="GND" x="-17.78" y="0" length="middle" direction="pwr"/>+  <pin name="GND@2" x="-17.78" y="-2.539999999999999" length="middle" direction="pas"/>+  <pin name="VDD" x="-17.78" y="-5.08" length="middle" direction="pwr"/>+  <pin name="INT2" x="17.78" y="7.62" length="middle" direction="out" rot="R180"/>+  <pin name="OCS" x="17.78" y="-10.16" length="middle" direction="nc" rot="R180"/>+  <pin name="NC" x="17.78" y="-7.620000000000001" length="middle" direction="nc" rot="R180"/>+  <pin name="CS" x="-17.78" y="10.16" length="middle" direction="in"/>+  <pin name="SCL" x="-17.78" y="7.62" length="middle" direction="in"/>+  <pin name="SDA" x="17.78" y="2.54" length="middle" direction="io" rot="R180"/> </symbol> </symbols> <devicesets>@@ -111,24 +124,31 @@     <gate name="G$1" symbol="LSM6DS3" x="0" y="0"/>   </gates>   <devices>-    <device name="" package="LSM6DS3">+    <device name="" package="LGA-14_3x2.5mm_P0.5mm_LayoutBorder3x4y">       <connects>         <connect gate="G$1" pin="SDO/SA0" pad="1"/>-        <connect gate="G$1" pin="SDX" pad="2"/>-        <connect gate="G$1" pin="SCX" pad="3"/>+        <connect gate="G$1" pin="SDx" pad="2"/>+        <connect gate="G$1" pin="SCx" pad="3"/>         <connect gate="G$1" pin="INT1" pad="4"/>         <connect gate="G$1" pin="VDDIO" pad="5"/>         <connect gate="G$1" pin="GND" pad="6"/>         <connect gate="G$1" pin="GND@2" pad="7"/>         <connect gate="G$1" pin="VDD" pad="8"/>         <connect gate="G$1" pin="INT2" pad="9"/>-        <connect gate="G$1" pin="NC" pad="10"/>-        <connect gate="G$1" pin="NC@2" pad="11"/>+        <connect gate="G$1" pin="OCS" pad="10"/>+        <connect gate="G$1" pin="NC" pad="11"/>         <connect gate="G$1" pin="CS" pad="12"/>         <connect gate="G$1" pin="SCL" pad="13"/>         <connect gate="G$1" pin="SDA" pad="14"/>       </connects>-      <technologies><technology name=""/></technologies>+      <technologies>+        <technology name="">+          <attribute name="MPN" value="LSM6DS3" constant="no"/>+          <attribute name="MANUFACTURER" value="STMicroelectronics" constant="no"/>+          <attribute name="DATASHEET" value="https://cdn.sparkfun.com/assets/learn_tutorials/4/1/6/DM00133076.pdf" constant="no"/>+          <attribute name="ADOM_WIKI" value="https://wiki.adom.inc/adom/lsm6ds3" constant="no"/>+        </technology>+      </technologies>     </device>   </devices> </deviceset>
package.json+1−1
@@ -29,4 +29,4 @@     "viewers/symbol.html",     "viewers/footprint.html"   ]-}\ No newline at end of file+}
page.json+13−11
@@ -23,7 +23,7 @@     "pin_count": 14,     "category": "Sensor",     "subcategory": "6-axis IMU (accel + gyro)",-    "datasheet": "https://www.st.com/resource/en/datasheet/lsm6ds3tr-c.pdf",+    "datasheet": "https://cdn.sparkfun.com/assets/learn_tutorials/4/1/6/DM00133076.pdf",     "parts": {       "symbol": "lsm6ds3.kicad_sym",       "footprint": "lsm6ds3.kicad_mod",@@ -91,9 +91,9 @@       },       {         "number": "10",-        "name": "NC",-        "type": "unconnected",-        "description": "No internal connection. Leave electrically unconnected but solder to PCB for mechanical support."+        "name": "OCS",+        "type": "input",+        "description": "Auxiliary SPI 3-wire interface enable (mode 3). Leave unconnected in modes 1 and 2 (datasheet Table 2, p.18)."       },       {         "number": "11",@@ -109,13 +109,13 @@       },       {         "number": "13",-        "name": "SCL/SPC",+        "name": "SCL",         "type": "input",         "description": "I²C serial clock (SCL) when I²C is selected, or SPI serial port clock (SPC) when SPI is selected. Muxed between the two host protocols by the CS pin."       },       {         "number": "14",-        "name": "SDA/SDI/SDO",+        "name": "SDA",         "type": "bidirectional",         "description": "I²C serial data (SDA) in I²C mode; SPI 4-wire serial data input (SDI) in SPI mode; SPI 3-wire bidirectional serial data (SDO) when SIM = 1 (3-wire SPI). Function selected by CS and SIM configuration."       }@@ -123,10 +123,12 @@     "provenance": {       "extractor": "ds2sf",       "datasheet": {-        "url": "https://www.st.com/resource/en/datasheet/lsm6ds3tr-c.pdf",-        "pages": 115,-        "sha256": "251737db70e3b6cd",-        "source_tier": "mfr"+        "url": "https://cdn.sparkfun.com/assets/learn_tutorials/4/1/6/DM00133076.pdf",+        "pages": 95,+        "sha256": "ec33c24904ddeeb246f04cdf714af5d0ebaacb637c9936f45bb9b3963f88af51",+        "source_tier": "mfr",+        "note": "ST LSM6DS3 datasheet DocID026899 Rev 4 (April 2015). ST no longer hosts it (the part is obsolete; st.com/resource/en/datasheet/lsm6ds3.pdf is 404), so the copy is SparkFun's mirror of ST's own document; sha256 ec33c24904ddeeb2.",+        "replaced": "the LSM6DS3TR-C datasheet (a different sensor), 2026-11-11"       },       "cad": "KiCad official (CC-BY-SA 4.0)",       "pins": {@@ -232,7 +234,7 @@   ],   "variants": [     {-      "mpn": "LSM6DS3TR-C (LGA-14)",+      "mpn": "LSM6DS3TR (LGA-14)",       "kind": "packaging"     },     {