# CM4 Template ## Description Raspberry Pi Compute Module 4 Cellular Modem Carrier Board with PCIe and M.2/mini PCIe Support ## Project Details - **Owner:** vasyl - **Created:** 4/5/2023 - **Last Updated:** 12/29/2023 - **Visibility:** Public - **System Architecture:** flowchart LR CM4["Compute Module 4"] PCIe["PCIe Slot (M.2 Key B / mini PCIe)"] Power["Power Subsystem"] USB["USB 2.0 Subsystem"] SIM["SIM Interface & ESD Protection"] Antenna["Antenna Connectors"] CM4 -->|PCIe lanes, REFCLK, PERST#| PCIe CM4 -->|USB D+/D−| USB Power -->|3.3V rail, enable/reset| PCIe Power -->|3.3V rail| USB Power -->|3.3V rail| SIM SIM -->|UIM pins| Antenna - **License:** https://creativecommons.org/licenses/by/4.0/ - **Forks:** 5 - **Copies:** 49 ## Key Components ### D1 — [SMLVT3V3](https://www.flux.ai/emasicollins/smlvt3v3.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021517_STMicroelectronics-SMLVT3V3_C283619.pdf - Part Type: Diode - Role Details: TVS diode for 3.3 V rail at the output of U2 (voltage regulator) - Manufacturer Part Number: SMLVT3V3 - License: https://creativecommons.org/licenses/by/4.0/ - Role: Protection - Manufacturer Name: STMicroelectronics **Pins:** - A [pin 2] - K [pin 1] ### D2 — [SMLVT3V3](https://www.flux.ai/emasicollins/smlvt3v3.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021517_STMicroelectronics-SMLVT3V3_C283619.pdf - Manufacturer Part Number: SMLVT3V3 - Part Type: Diode - Role Details: TVS diode for 3.3 V rail at the power pins of the cellular card connector (J3) - Manufacturer Name: STMicroelectronics - License: https://creativecommons.org/licenses/by/4.0/ - Role: Protection **Pins:** - A [pin 2] - K [pin 1] ### J1 — [DF40C-100DS-0.4V51](https://www.flux.ai/vasyl/df40c-100ds-0p4v51.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Manufacturer Part Number: DF40C-100DS-0.4V51 - Manufacturer Name: Hirose Electric Co Ltd - Datasheet URL: https://www.hirose.com/en/product/document?clcode=&productname=&series=DF40&documenttype=Catalog&lang=en&documentid=en_DF40_CAT **Pins:** - 1 [pin 1] - 10 [pin 10] - 100 [pin 100] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 17 [pin 17] - 18 [pin 18] - 19 [pin 19] - 2 [pin 2] - 20 [pin 20] - 21 [pin 21] - 22 [pin 22] - 23 [pin 23] - 24 [pin 24] - 25 [pin 25] - 26 [pin 26] - 27 [pin 27] - 28 [pin 28] - 29 [pin 29] - 3 [pin 3] - 30 [pin 30] - 31 [pin 31] - 32 [pin 32] - 33 [pin 33] - 34 [pin 34] - 35 [pin 35] - 36 [pin 36] - 37 [pin 37] - 38 [pin 38] - 39 [pin 39] - 4 [pin 4] - 40 [pin 40] - 41 [pin 41] - 42 [pin 42] - 43 [pin 43] - 44 [pin 44] - 45 [pin 45] - 46 [pin 46] - 47 [pin 47] - 48 [pin 48] - 49 [pin 49] - 5 [pin 5] - 50 [pin 50] - 51 [pin 51] - 52 [pin 52] - 53 [pin 53] - 54 [pin 54] - 55 [pin 55] - 56 [pin 56] - 57 [pin 57] - 58 [pin 58] - 59 [pin 59] - 6 [pin 6] - 60 [pin 60] - 61 [pin 61] - 62 [pin 62] - 63 [pin 63] - 64 [pin 64] - 65 [pin 65] - 66 [pin 66] - 67 [pin 67] - 68 [pin 68] - 69 [pin 69] - 7 [pin 7] - 70 [pin 70] - 71 [pin 71] - 72 [pin 72] - 73 [pin 73] - 74 [pin 74] - 75 [pin 75] - 76 [pin 76] - 77 [pin 77] - 78 [pin 78] - 79 [pin 79] - 8 [pin 8] - 80 [pin 80] - 81 [pin 81] - 82 [pin 82] - 83 [pin 83] - 84 [pin 84] - 85 [pin 85] - 86 [pin 86] - 87 [pin 87] - 88 [pin 88] - 89 [pin 89] - 9 [pin 9] - 90 [pin 90] - 91 [pin 91] - 92 [pin 92] - 93 [pin 93] - 94 [pin 94] - 95 [pin 95] - 96 [pin 96] - 97 [pin 97] - 98 [pin 98] - 99 [pin 99] ### J2 — [DF40C-100DS-0.4V51](https://www.flux.ai/vasyl/df40c-100ds-0p4v51.md) - Manufacturer Name: Hirose Electric Co Ltd - Datasheet URL: https://www.hirose.com/en/product/document?clcode=&productname=&series=DF40&documenttype=Catalog&lang=en&documentid=en_DF40_CAT - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: DF40C-100DS-0.4V51 **Pins:** - 1 [pin 1] - 10 [pin 10] - 100 [pin 100] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 17 [pin 17] - 18 [pin 18] - 19 [pin 19] - 2 [pin 2] - 20 [pin 20] - 21 [pin 21] - 22 [pin 22] - 23 [pin 23] - 24 [pin 24] - 25 [pin 25] - 26 [pin 26] - 27 [pin 27] - 28 [pin 28] - 29 [pin 29] - 3 [pin 3] - 30 [pin 30] - 31 [pin 31] - 32 [pin 32] - 33 [pin 33] - 34 [pin 34] - 35 [pin 35] - 36 [pin 36] - 37 [pin 37] - 38 [pin 38] - 39 [pin 39] - 4 [pin 4] - 40 [pin 40] - 41 [pin 41] - 42 [pin 42] - 43 [pin 43] - 44 [pin 44] - 45 [pin 45] - 46 [pin 46] - 47 [pin 47] - 48 [pin 48] - 49 [pin 49] - 5 [pin 5] - 50 [pin 50] - 51 [pin 51] - 52 [pin 52] - 53 [pin 53] - 54 [pin 54] - 55 [pin 55] - 56 [pin 56] - 57 [pin 57] - 58 [pin 58] - 59 [pin 59] - 6 [pin 6] - 60 [pin 60] - 61 [pin 61] - 62 [pin 62] - 63 [pin 63] - 64 [pin 64] - 65 [pin 65] - 66 [pin 66] - 67 [pin 67] - 68 [pin 68] - 69 [pin 69] - 7 [pin 7] - 70 [pin 70] - 71 [pin 71] - 72 [pin 72] - 73 [pin 73] - 74 [pin 74] - 75 [pin 75] - 76 [pin 76] - 77 [pin 77] - 78 [pin 78] - 79 [pin 79] - 8 [pin 8] - 80 [pin 80] - 81 [pin 81] - 82 [pin 82] - 83 [pin 83] - 84 [pin 84] - 85 [pin 85] - 86 [pin 86] - 87 [pin 87] - 88 [pin 88] - 89 [pin 89] - 9 [pin 9] - 90 [pin 90] - 91 [pin 91] - 92 [pin 92] - 93 [pin 93] - 94 [pin 94] - 95 [pin 95] - 96 [pin 96] - 97 [pin 97] - 98 [pin 98] - 99 [pin 99] ### J3 — [M.2 Key B Connector](https://www.flux.ai/collinsemasi/mp2-key-b-connector.md) - Manufacturer Name: TE Connectivity - Role Details: Cellular card socket, M.2 Key B form factor - Application Specification URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Specification+Or+Standard%7F114-115006%7FC%7Fpdf%7FEnglish%7FENG_SS_114-115006_C.pdf%7F2199230-3 - Role: Connector - Manufacturer Part Number: 2199230-3 - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Data+Sheet%7F1-1773702-1NGFFQRG-EN%7F0214%7Fpdf%7FEnglish%7FENG_DS_1-1773702-1NGFFQRG-EN_0214_1-1773702-1NGFF-QRG-EN-201402.pdf%7F2199230-3 **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 2 [pin 2] - 20 [pin 20] - 21 [pin 21] - 22 [pin 22] - 23 [pin 23] - 24 [pin 24] - 25 [pin 25] - 26 [pin 26] - 27 [pin 27] - 28 [pin 28] - 29 [pin 29] - 3 [pin 3] - 30 [pin 30] - 31 [pin 31] - 32 [pin 32] - 33 [pin 33] - 34 [pin 34] - 35 [pin 35] - 36 [pin 36] - 37 [pin 37] - 38 [pin 38] - 39 [pin 39] - 4 [pin 4] - 40 [pin 40] - 41 [pin 41] - 42 [pin 42] - 43 [pin 43] - 44 [pin 44] - 45 [pin 45] - 46 [pin 46] - 47 [pin 47] - 48 [pin 48] - 49 [pin 49] - 5 [pin 5] - 50 [pin 50] - 51 [pin 51] - 52 [pin 52] - 53 [pin 53] - 54 [pin 54] - 55 [pin 55] - 56 [pin 56] - 57 [pin 57] - 58 [pin 58] - 59 [pin 59] - 6 [pin 6] - 60 [pin 60] - 61 [pin 61] - 62 [pin 62] - 63 [pin 63] - 64 [pin 64] - 65 [pin 65] - 66 [pin 66] - 67 [pin 67] - 68 [pin 68] - 69 [pin 69] - 7 [pin 7] - 70 [pin 70] - 71 [pin 71] - 72 [pin 72] - 73 [pin 73] - 74 [pin 74] - 75 [pin 75] - 8 [pin 8] - 9 [pin 9] - SHIELD [pin S1] - SHIELD__1 [pin S2] ### U1 — [TPD3E001DRLR](https://www.flux.ai/kicad-part-library/tpd3e001drlr.md) - Package or Case Code: SOT-553 - Role: Protection - Manufacturer Name: Texas Instruments Inc. - Role Details: ESD protection for SIM/UIM interface signals (CLK, RST, I/O) - Datasheet URL: http://www.ti.com/lit/ds/symlink/tpd3e001.pdf - Manufacturer Part Number: TPD3E001DRLR **Pins:** - ~ [pin 5] - ~ [pin 3] - IO1 [pin 1] - IO2 [pin 2] - IO3 [pin 4] ### U2 — [TPS62130ARGTR](https://www.flux.ai/ryanf/tps62130argtr.md) - Package or Case Code: QFN50P300X300X50-17N - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps62130a.pdf?ts=1716649051225&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FTPS62130A - Role Details: Switched 3.3 V rail controller IC with enable/reset control - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: TPS62130ARGTR - Manufacturer Name: Texas Instruments - Part Type: Switching Regulator - Role: Power Management **Pins:** - AGND [pin 6] - AGND [pin 17] - AVIN [pin 10] - DEF [pin 8] - EN [pin 13] - FB [pin 5] - FSW [pin 7] - PG [pin 4] - PGND [pin 16] - PGND [pin 15] - PVIN [pin 12] - PVIN [pin 11] - SS/TR [pin 9] - SW [pin 2] - SW [pin 3] - SW [pin 1] - VOS [pin 14] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasyl/cm4-template](https://www.flux.ai/vasyl/cm4-template).* --- *Generated from [https://www.flux.ai/vasyl/cm4-template](https://www.flux.ai/vasyl/cm4-template)*