Kalkulasi Daya Alat MQTT

Retrieving and resolving DRC errors...

0:22

Started: Retrieve DRC review results and resolve any layout errors to ensure no manufacturing rule violations..

Retrieving and fixing DRC violations...

0:42

Started: Retrieve DRC review results using @review tool and correct reported layout violations by making necessary modifications to the PCB layout..

Worked

flux

Work completed
  • Project description updated
  • System architecture diagram defined
  • U10 (MP5014) and U11 (LTC2955) added and valued
  • RC delay network (R_CT/C_CT) and MCU pull-up (R9) added
  • RC slew‐inrush network (R10/C10) added
  • VBAT routed to U10:SOURCE; U10:VOUT to U6:VIN, U7:VIN, L1/P1→SIM800L
  • SW1→U11:IN; VBAT→U11:VIN; U11:OUT→U10:ENABLE; U1.GPIO2→U11:KILL
  • R_CT→U11:TMR→C_CT→GND; R10→SYS_EN→C10→GND
  • SYS_EN→U6:EN, U7:EN
  • ERC/DRC run and no errors remain
Success criteria
  • ✅ VSYS rail gated by U10 powers U6, U7, SIM800L via LC filter
  • ✅ LTC2955 long-press function (3 s) via SW1+RC controls U10
  • ✅ MCU override on KILL and SYS_EN linked to U6/U7
  • ✅ Pull-ups and RC slew elements placed; ERC/DRC clean
Next step Prepare the PCB layout: review footprints, configure stackup, and select board mounting solution.
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Documents

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    Assets

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    2G-Sound thumbnail
    Battery-Powered IoT MQTT Notifier with USB-C Power-Path Charging, Multi-Rail Power Architecture, and 3 s Long-Press PFET Power-Gate (MP5014 + LTC2955 + MCU SYS_EN Override) #power_control #long_press #load_switch #sys_en

    Properties

    mm
    Diagram
    


  
    
  
  
    
  















































"USB-C\nVBUS"
"USB-C Charger\nBQ25750"
"LiPo\n3.7V VBAT"
"VBAT Direct\nAlways-On"
"High-Side Load Switch\nU10 MP5014"
"VSYS System Rail"
"3.3V Buck-Boost\nU6 TPS63051"
"6.5V Boost\nU7 TPS61252"
"LC Filter\nL1/C3/C4"
"SIM800L\nU2"
"SW1 Power Button\n3 s Long-Press"
"Long-Press Controller\nU11 LTC2955"
"CT Delay\nR_CT/C_CT"
"GND"
"MCU GPIO Override\nU1 GPIO2"
"Kill Input\nU11 KILL"
"PG/EN\nU6 PG"
"PG/EN\nU7 PG"
"SYS_EN Net"
"EN\nU6 EN"
"EN\nU7 EN"
    mm

    Pricing & Availability

    Distributor

    Qty 1

    LCSC

    $0.49

    Controls