Part Information Review and Update

flux

1:18

Thought for 3 sec

Thought for 5 sec

Read BOM.

Read schematic.

Read layout.

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

Pin-description notes from 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

Severity	Finding
High	VDD and VDDIO pin numbers are swapped versus the datasheet
Medium	Symbol terminals lack populated pin descriptions
Low	Symbol electrical pin types are all unspecified, which reduces ERC usefulness
Info	Datasheet URL is already present, so no web lookup/update was needed

If you want, I can next help you fix the swapped VDD / VDDIO numbering and draft a clean pin-description table for all 20 terminals.

Fix swapped power pins

Add all pin descriptions

Set pin electrical types

Finished working

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