Part Information Review and Update
1:18
Project
BOM
File
PCB Layout
Schematic
Deciding on review mode.
Gathering component details.
Using BOM Tool.
Using Schematic Tool.
Looking for "BHI360 package information package name dimensions terminal count pin count description" in bst-bhi360-ds000.pdf
Looking for "BHI360 pin description table VDD VDDIO VREG GND GNDIO HIRQ HCSB HSCX HSDX HSDO OCSB OSDO ASCX ASDX M3SCL M3SDA JTAG_DIO RESETN RESV1 RESV2" in bst-bhi360-ds000.pdf
Looking for "BHI360 overview description key features programmable smart sensor accelerometer gyroscope fusion software" in bst-bhi360-ds000.pdf
Looking for "BHI360 absolute maximum ratings operating conditions supply voltage interface voltage package size" in bst-bhi360-ds000.pdf
Using PCB Layout Tool.
Looking for "Table 3 power pins pin 5 pin 6 pin 7 pin 8 pin 9 VDD GNDIO GND VDDIO VREG" in bst-bhi360-ds000.pdf
Looking for "connection diagram pin 5 pin 6 pin 7 pin 8 pin 9" in bst-bhi360-ds000.pdf
Looking for "recommended land pattern package dimensions pad sizes pitch BHI360" in bst-bhi360-ds000.pdf
I reviewed the available part data for BHI360, the existing symbol terminals, and the footprint.
Part metadata review
| Field | Result | Source |
|---|---|---|
| Manufacturer | BOSCH | Project properties |
| MPN | BHI360 | Project properties |
| Datasheet URL | Already set: PDF | Project properties |
| Package | 2.5 mm x 3.0 mm LGA | Datasheet |
| Pin / pad count | 20 pads | Datasheet |
| Project BOM contents | Only terminal components are present in this part project | BOM |
Key specs
| Item | Value |
|---|---|
| Device type | Programmable, low-power IMU smart sensor with integrated sensor fusion library |
| Integrated sensing | 16-bit 3-axis accelerometer + 16-bit 3-axis gyroscope |
| VDD operating range | 1.71 V to 3.6 V |
| VDDIO operating range | 1.71 V to 1.89 V |
| Absolute max VDD | -0.3 V to 4.0 V |
| Absolute max VDDIO | -0.3 V to 2.75 V |
| Logic pin absolute max | -0.3 V to VDDIO + 0.3 V |
Symbol cross-check
| Check | Result | Notes |
|---|---|---|
| Terminal count | Pass | Symbol has 20 terminals, matching datasheet |
| Most pin names/numbers | Pass | Host, aux, debug, reset, reserved, and interrupt pins line up with datasheet |
| Power pin numbering | Mismatch | VDDIO is set to pin 5 but datasheet says pin 8. VDD is set to pin 8 but datasheet says pin 5 |
| Ground pins | Pass | GNDIO = 6, GND = 7, matches datasheet |
| VREG | Pass | Pin 9, matches datasheet |
| Pin descriptions in symbol metadata | Missing / incomplete | All terminals appear to have no pin description text populated |
| Pin electrical types | Incomplete | All terminals are marked Pin Type: Unspecified |
Footprint cross-check
| Check | Result | Notes |
|---|---|---|
| Pad count | Pass | Footprint has 20 pads |
| Pad names to terminals | Pass | Pad names map to symbol terminal names |
| Package style | Pass | LGA footprint matches datasheet package style |
| Outer / inner pad structure | Pass | Includes outer ring pads plus inner pads 15-20, consistent with datasheet note |
| Pad sizing | Pass | Uses 0.250 x 0.475 mm, 0.475 x 0.250 mm, and 0.250 x 0.250 mm pads, matching the datasheet footprint recommendation |
| Pitch | Pass | 0.5 mm pitch matches datasheet |
A few important descriptions worth carrying into the symbol metadata:
- RESETN: active-low reset
- HCSB: host SPI chip select / protocol select, keep high for I2C
- HSDO: host SPI MISO / host I2C adr0
- M3SCL: debug / I2C SCL / JTAG clock related multiplexed function
- JTAG_DIO: JTAG data I/O
- RESV1 and RESV2: datasheet marks these as reserved / do not connect
Summary of mismatches and concerns
Fix swapped power pins
Add all pin descriptions
Set pin electrical types
a day
Ready.
Reviews
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IMUs - Inertial Measurement Units Programmable smart sensor combining accelerometer, gyroscope and fusion software
Pricing & Availability
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Assets
BHI360
BHI360.stp3D Model
BHI360
BHI360 Symbol.svgDefault
BHI360-thumb.png
BHI360-thumbThumbnailkicad_mod
BHI360
BHI360.kicad_modFootprintControls
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