Energy Meter
About the Energy Meter PCB
Energy Meter is an open source Silicon Labs PCB design by weaslepalace, published on GitHub. It is a 4-layer board measuring 91.7 × 69.6 mm, with 95 components from 49 distinct parts.
Its main chip is the EFM32PG22C200F64IM32-C, from the Silicon Labs family. Other key parts include the MP1653AGTF-Z, SR10LG-G and CC110LRGPR. By type, the board carries 40 capacitors, 21 resistors, 11 diodes, 9 inductors, 4 ICs and 3 crystals.
From the project
Monorepo for PCB design stuff
Main components on the Energy Meter
Energy Meter bill of materials (BOM)
95 components, 49 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MP1653AGTF-Z ~ Monolithic Power Systems Inc. | Monolithic_SOT563 | U201 |
| 1 | SR10LG-G ~ Microchip Technology | Microchip_SOIC_8 | U202 |
| 1 | EFM32PG22C200F64IM32-C ~ Silicon Labs | SiLabs_VQFN32 | U401 |
| 1 | CC110LRGPR ~ Texas Instruments | TI_QFN20_RGP | U601 |
| 1 | ECS-384-10-37B-CTP-TR3 38.4MHz ECS Inc. | ECS_ECX-1637B | X401 |
| 1 | ECS-.327-CDX-2216 32.768kHz ECS Inc. | ECS_ECX-16 | X402 |
| 1 | ABM8-27.000MHZ-10-1-U-T 27MHz Abracon LLC | Abracon_ABM8 | X601 |
| 1 | 2060-852/998-404 ~ WAGO Corporation | WAGO_2060-852998-404 | J101 |
| 1 | FTSH-105-01-F-D ~ Samtec Inc. | Samtec_FTSH_10pin_Unshrouded | J401 |
| 1 | PH1-13-UA ~ Adam Tech | Header_1x13 | J501 |
| 1 | 0679H2000-05 2A Bel Fuse Inc. | Bel_0679H | F201 |
| 2 | PTS810SJG250SMTR LFS ~ C&K | CK_PTS810 | S501, S502 |
| 1 | AC1100 ~ Talema Group LLC | Telema_AC1100 | T301 |
| 3 | LTST-C190GKT Green Lite-On Inc. | LiteOn_LED0603 | D201, D207, D501 |
| 5 | MRA4004T3G ~ onsemi | onsemi_DO-214AC | D202, D203, D204, D205, D206 |
| 3 | RB520S30T1G ~ onsemi | onsemi_SOD523 | D301, D302, D303 |
| 1 | IFSC3232DBER330M01 L Vishay Dale | Vishay_L_3131 | L201 |
| 1 | LQM18PZ2R2MFHD 2.2uH Murata Electronics | L_0603 | L401 |
| 5 | LQG18HN12NJ00D 12nH Murata Electronics | L_0603 | L601, L602, L605, L606, L607 |
| 2 | LQG18HN18NJ00D 18nH Murata Electronics | L_0603 | L603, L604 |
Show 29 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | CL31B106KAHNFNE 10uF Samsung Electro-Mechanics | C_1206 | C201, C206, C401 |
| 15 | GCJ188R72A104KA01D 100nF Murata Electronics | C_0603 | C202, C404, C405, C406, C408, C409, C411, C501 +7 |
| 1 | B32923P3225K000 2.2uF EPCOS - TDK Electronics | TDK_MPK_Polycap_22uF | C203 |
| 4 | GCJ188R71E105KA01D 1uF Murata Electronics | C_0603 | C204, C402, C403, C407 |
| 3 | GCM1885C2A150FA16D 15pF Murata Electronics | C_0603 | C205, C608, C609 |
| 2 | 860010473011 220uF Würth Elektronik | Wurth_Radial_Cap_6.3MM | C207, C208 |
| 3 | GRM1885C1H102JA01D 1nF Murata Electronics | C_0603 | C301, C302, C303 |
| 1 | CL21B475KOFNFNE 4.7uF Samsung Electro-Mechanics | C_0805 | C410 |
| 3 | GCM1885C2A1R0CA16D 1pF Murata Electronics | C_0603 | C610, C616, C617 |
| 2 | GCM1885C2A1R5BA16D 1.5pF Murata Electronics | C_0603 | C611, C613 |
| 2 | GCM1885C2A101JA16D 100pF Murata Electronics | C_0603 | C612, C615 |
| 1 | GCM1885C2A3R3CA16D 3.3pF Murata Electronics | C_0603 | C614 |
| 2 | RC1206FR-07200KL 200k YAGEO | R_1206 | R201, R204 |
| 1 | RR03J22RTB 22 TE Connectivity Passive Product | TE_NeohmRR | R202 |
| 1 | RC0603FR-07100KL 100k YAGEO | R_0603 | R203 |
| 1 | RC0603FR-0710RL 10 YAGEO | R_0603 | R205 |
| 1 | RC0603FR-0782KL 82k YAGEO | R_0603 | R206 |
| 2 | RC0603FR-0710KL 10k YAGEO | R_0603 | R207, R503 |
| 1 | RC0603FR-0740K2L 40.2k YAGEO | R_0603 | R208 |
| 1 | RC0603FR-0712KL 12k YAGEO | R_0603 | R301 |
| 1 | AC1210FR-7W100RL 100 YAGEO | R_1210 | R302 |
| 1 | RC0603FR-0762KL 62k YAGEO | R_0603 | R303 |
| 1 | RC0603FR-073K3L 3.3k YAGEO | R_0603 | R304 |
| 2 | MFR50SFTE52-1M1 1.1M YAGEO | Yageo_MRF50 | R305, R306 |
| 1 | RC0603FR-0720KL 20k YAGEO | R_0603 | R307 |
| 2 | RC0603FR-076K8L 6.8k YAGEO | R_0603 | R308, R309 |
| 1 | RC0603FR-07100RL 100 YAGEO | R_0603 | R501 |
| 1 | RC0603FR-071KL 1k YAGEO | R_0603 | R502 |
| 1 | RC0603FR-0756KL 56k YAGEO | R_0603 | R601 |
Energy Meter design files
The KiCad project lives in the weaslepalace/boards repository on GitHub; these links point at the commit this page was built from.
Energy Meter: common questions
What microcontroller does the Energy Meter use?
The Energy Meter is built around the EFM32PG22C200F64IM32-C, from the Silicon Labs family.
How big is the Energy Meter PCB?
The Energy Meter measures 91.7 × 69.6 mm, has 4 copper layers and is 0.68866 mm thick.
How many components are on the Energy Meter?
95 components, from 49 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Energy Meter design files?
From the weaslepalace/boards repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Energy Meter design in my own project?
The repository has no license, so all rights stay with weaslepalace. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Energy Meter without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Silicon Labs firmware against it before you order a PCB.
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