INSPECTION REPORT
Board name:
Test1
| Time Stamp:
Mar 06 2023, 14:55:34
Findings
Index Part Reference Pin Number Nets Components Category Description Status
1 R1 2 BL_EN CRGCQ0402F4K7 Invalid Passive Component Connection This pin should not be left floating
2 U7 3 5V POWER_SUPPLY Invalid Supply Voltage Supply voltage 5V is out of operating range (7.5V to 15V)
3 C41 2 5V GRM155R60J475ME47D Potential Capacitor Breach Voltage difference of 5V is too close to the rated voltage 6.3V
50% derating factor is recommended
+ 4-7 ... ... ... ... Communication Protocol I2C lines mismatch
+ 8-10 U7 ... POWER_SUPPLY Connection Instruction Violation This pin should be connected directly to Ground
🛈 Datasheet pin description: "Ground"
11 U8 6 I2C_SCL HDC1080DMBT Missing Pull Resistor Pull-up resistor is missing
🛈 Datasheet pin description: "Serial clock line for I2C, open-drain; requires a pull-up resistor to VDD"
12 U9 37 N16931850 SIM7000E Missing Pull Resistor Pull-up resistor is missing
🛈 Datasheet pin description: "I2C clock output"
+ 13-14 ... ... DGND ... Power Pin Connection This pin should not be connected directly to Ground
15 VLED- Redundant Pull Resistors 2 pull-down resistors (R5, R62) found on net
+ 16-20 ... BSS138 Transistor violation Drain pin not driven
21 U4 28 GND_POWER MCP39F501-E/MQ Connection Instruction Violation This pin should be left floating
🛈 Datasheet pin description: "Data Ready (must be left floating)"
22 U1 5 GND TPS61165DBV Connection Instruction Violation This pin should be connected to Ground via a Capacitor
🛈 Datasheet pin description: "Output of the transconductance error amplifier. Connect an external capacitor to this pin to compensate the converter."
+ 23-26 ... Inadequate Temperature Range ...
+ 27-28 U9 ... ... SIM7000E Best Practice Reset pins should be connected to Ground via a Capacitor
+ 29-42 ... Best Practice Missing Test Point
Active Components Coverage
Index Component Status
1 ADUM5211CRSZ Supported
2 BSS138 Supported
3 ESP32-WROOM-32 Supported
4 F-GGO52Q1 Supported
5 HDC1080DMBT Supported
6 LD39200 Supported
7 LM1117MPX-33 Supported
8 MCP39F501-E/MQ Supported
9 MCP9700A Supported
10 POWER_SUPPLY Supported
11 SIM7000E Supported
12 TPS61165DBV Supported
13 5045200691 Not supported
Inspection Parameters
Capacitors derating: 50%
Power pin to Ground resistance alert threshold: 1kΩ
Temperature limits: -40℃ to 105℃
Missing serial resistor on BJT pins alert: Off
Testability check alert: Strict
Missing pull resistor on MOSFET Gate pins alert: Off
Missing resistor between P-Channel MOSFET Gate and Source pins alert: Off
Missing capacitor on reset line alert: On