SMI230 Part Audit

flux

Audit complete. The existing Datasheet URL points to Bosch’s official SMI230 product page, so it was left unchanged; the pinout was cross-checked against Bosch technical document 1 279 940 369.
Key findings
  • Correct: MPN SMI230, 16 pins, 4.5 × 3.0 mm LGA outline, pin numbering, names, and basic pin types.
  • Specs: VDD 2.4–3.6 V; VDDIO 1.62–3.6 V; −40 to +105 °C; ±2/4/8/16 g accelerometer; ±125/250/500/1000/2000 °/s gyroscope; SPI up to 10 MHz; I²C addresses 0x18/0x19 and 0x68/0x69; AEC‑Q100 Grade 2.
  • Mismatch: Package or Case Code is set to TO; it should identify an LGA‑16, 4.5 × 3.0 mm package.
  • Mismatch: Manufacturer Name is missing.
  • Mismatch: all terminals lack Pin Description properties.
  • Footprint concern: current pads are 0.35 mm wide versus the datasheet-recommended 0.25 mm width; pitch and overall arrangement appear correct.
  • 3D-model concern: the attached model is named SMG130.stp, not SMI230, and should be mechanically verified before use.
C

cherepanyadima

I checked the datasheet and the part itself. The 3D model geometry corresponds to the SMI230 component—despite the filename SMG130.stp—and the manufacturer is correctly listed as Bosch. If anything is missing, you can add or correct it based on the data.

flux

The model is confirmed valid and Bosch is already correct. I found one symbol naming issue plus missing pin descriptions; I’m correcting those without changing the verified 3D asset.

flux

Updated the part based on Bosch data:
  • Confirmed the SMG130.stp 3D model is valid and left it unchanged.
  • Confirmed manufacturer is already Bosch.
  • Renamed pin 2 from NC_GND to the official name NC.
  • Added datasheet-based descriptions to all 16 pins, including SPI/I²C functions, interrupt roles, supply ranges, and required pin states.
  • Verified the edits were applied successfully.
The footprint’s 0.35 mm pad width remains the only variance from Bosch’s 0.25 mm recommended land pattern; it may be an intentional manufacturing enhancement rather than an error.
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Files

Pins

Symbol

Layout

3D View

Name
Pin #
Type
Section
Pin Group
Orientation
Order
Sub-symbol
Pin Description
INT2
1
Bi-Directional
Accelerometer interrupt pin 2; leave unconnected if unused
NC
2
Passive
No internal connection; connect to GND in SPI and TWI applications
VDD
3
Power In
Power supply for analog and digital domains, 2.4 V to 3.6 V
GNDA
4
Power In
Analog-domain ground
CSB2
5
Input
Gyroscope SPI chip select; leave floating in TWI mode
GNDIO
6
Power In
Digital I/O ground
PS
7
Input
Protocol select: GND for SPI, VDDIO for TWI/I2C
SCx
8
Input
Serial clock: SCK in SPI mode, SCL in TWI/I2C mode
SDx
9
Bi-Directional
Serial data: SPI data input (SDI) or bidirectional TWI/I2C data (SDA)
SDO2
10
Output
Gyroscope SPI serial data output; also selects gyroscope TWI/I2C address
VDDIO
11
Power In
Digital interface supply, 1.62 V to 3.6 V
INT3
12
Bi-Directional
Gyroscope interrupt pin 1; leave unconnected if unused
INT4
13
Bi-Directional
Gyroscope interrupt pin 2; leave unconnected if unused
CSB1
14
Input
Accelerometer SPI chip select; leave floating in TWI mode
SDO1
15
Output
Accelerometer SPI serial data output; also selects accelerometer TWI/I2C address
INT1
16
Bi-Directional
Accelerometer interrupt pin 1; configurable as input for data synchronization; leave unconnected if unused

SMI230