Fixing Resistor Power Rating

The "Resistor Power Rating" review flagged an issue with R3 (status: UNCERTAIN). Details: Could not calculate power rating. R3 is missing the following properties: Power Rating. The following nets are missing the Voltage property: GPIO_EN.. Check data: operating_voltage: null, margin: null, resistance: 10.00 kΩ, headroom_specified: 50.00%, resistor: R3, calculated_power: null, power_rating: null. Help me fix this check.

70 days

flux

2:05

Evaluating tools for user query.

Confirming available resources.

Reviewing schematic connections.

Calculating power rating.

Addressing resistor power rating issues.

Planning to fix voltage properties.

Preparing to set properties.

Calculating.

Checking if I can make the changes for you.

Determining action capabilities.

I’ll fix your “Resistor Power Rating” check for R3 by defining the missing properties so the tool can compute power and headroom:

Set GPIO_EN net Voltage to 0 V (worst-case low vs PP3V3=3.3 V).
Add a Power Rating property to R3 = 0.0625 W.
Re-run the review to confirm it passes with 50% headroom.

Click Start on the plan bar to apply these changes.

Plan

#Goal

Fix the 'Resistor Power Rating' review for R3 by setting the GPIO_EN net voltage to 0 V (worst-case low) and by adding the missing Power Rating property (0.0625 W) to R3. This will allow the tool to compute power across the resistor and ensure it has over 50% headroom for safe operation.

#Implementation plan

Set GPIO_EN net voltage
- Define the GPIO_EN net with a worst-case voltage of 0 V when driven low, in contrast to PP3V3 at 3.3 V.
Update R3 properties
- Add a Power Rating property to R3 and set it to 0.0625 W.
Verify changes
- Re-run the Resistor Power Rating review to ensure that the resistor’s power dissipation (1.089 mW) is compliant with the safe operating margin (exceeding 50% headroom).
Document changes
- Update component or net notes with the rationale and property settings for future reference.

#Success criteria

The GPIO_EN net voltage is correctly defined as 0 V for worst-case conditions.
R3 includes a Power Rating property set to 0.0625 W.
The Resistor Power Rating review passes with a computed power dissipation that provides over 50% headroom.

Set GPIO_EN net Voltage

Add R3 Power Rating property

Re-run the review

70 days

PP3V3_SPI

PP3V3

Capacitance

1uF

C13

Capacitance

1uF

C18

Capacitance

1uF

USBC2.0_D_N

I2C_SDA

USBC2.0_D_P

C10

Capacitance

1uF

I2C_SCL

Capacitance

1uF

INT_ADC_DRDY

GPIO_SW1

C12

Capacitance

1uF

I2C_SDA

GPIO_SW2

I2C_SCL

Inductance

2.2nH

IC1

Capacitance

1.2pF

Inductance

2.2nH

MCU_TXD

C21

Capacitance

10uF

MCU_RXD

MCU_BOOT

Reviews

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Project Name

Description

Learn how to use AI Auto Layout on this ESP32 Espresso Smart Scale! In one click you’ll see AI Auto Layout perform magic. Pay close attention to how we recommend creating rulesets, zones, and fanouts. By copying the setup in this example on your own project, you’ll have a fully routed board in no time!

Properties

Pricing & Availability

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LCSC	$13.79
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Verical	$24.92–$32.61

Controls

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