# Hypex DSA254 Interface Board rev A ## Description Carrier/interconnect PCB for Hypex DSA254 with Bela Gem inputs 6–9, SMPS1200A400 power/control connectors, four speaker outputs, test pads, and optional DNP input suppression. ## Project Details - **Owner:** harleysanders - **Created:** 6/6/2026 - **Last Updated:** 6/7/2026 - **Visibility:** Public ## Key Components ### J1 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - Part Type: Connector - Role: Input Connector - Role Details: Bela IN6 1x2 Dupont: pin 1 IN6-, pin 2 IN6+ - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### J10 — [B2P-VH(LF)(SN)](https://www.flux.ai/lcsc/b2p-vhlfsn~n4oo.md) - Connector Rows: 1 - Connector Positions: 2 - Operating Temperature: -25 ~ +85℃ - Connector Type: Header - Current Rating: 10A - Manufacturer Part Number: B2P-VH(LF)(SN) - Connector Gender: Male - Voltage Rating: 250V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B2P-VH-LF-SN_C160315.pdf - Part Type: Wire To Board / Wire To Wire Connector - Package or Case Code: CONN-TH_B2P-VH-LF-SN - Role Details: JST VH speaker output CH3: pin 1 SPK_CH3-, pin 2 SPK_CH3+ - Product Info Url: https://lcsc.com/product-detail/_JST_B2P-VH-LF-SN_B2P-VH-LF-SN_C160315.html - Manufacturer Name: JST - LCSC Part Number: C160315 - JLCPCB Part Class: Extended Part - Role: Amplification - Connector Pitch: 3.96mm **Pins:** - 1 [pin 1] - 2 [pin 2] ### J11 — [B2P-VH(LF)(SN)](https://www.flux.ai/lcsc/b2p-vhlfsn~n4oo.md) - Connector Pitch: 3.96mm - JLCPCB Part Class: Extended Part - Manufacturer Name: JST - LCSC Part Number: C160315 - Product Info Url: https://lcsc.com/product-detail/_JST_B2P-VH-LF-SN_B2P-VH-LF-SN_C160315.html - Role: Amplification - Part Type: Wire To Board / Wire To Wire Connector - Package or Case Code: CONN-TH_B2P-VH-LF-SN - Role Details: JST VH speaker output CH4: pin 1 SPK_CH4-, pin 2 SPK_CH4+ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B2P-VH-LF-SN_C160315.pdf - Voltage Rating: 250V - Connector Positions: 2 - Operating Temperature: -25 ~ +85℃ - Connector Rows: 1 - Current Rating: 10A - Manufacturer Part Number: B2P-VH(LF)(SN) - Connector Gender: Male - Connector Type: Header **Pins:** - 1 [pin 1] - 2 [pin 2] ### J2 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Role: Input Connector - Role Details: Bela IN7 1x2 Dupont: pin 1 IN7-, pin 2 IN7+ **Pins:** - P1 [pin 1] - P2 [pin 2] ### J3 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: Input Connector - Role Details: Bela IN8 1x2 Dupont: pin 1 IN8-, pin 2 IN8+ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### J4 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: Input Connector - Part Type: Connector - Role Details: Bela IN9 1x2 Dupont: pin 1 IN9-, pin 2 IN9+ **Pins:** - P1 [pin 1] - P2 [pin 2] ### J5 — [DF40HC(3.0)-70DS-0.4V(51)](https://www.flux.ai/lcsc/df40hc3p0-70ds-0p4v51~sj73.md) - Role Details: TEMPORARY FOOTPRINT: logical symbol/net mapping is the exact 69-pin Hypex DSA254 datasheet pinout on pins 1-69; pin 70 is marked NC only because the exact 69-pin Hypex connector footprint is unavailable. Do not renumber or remap pins without replacing with exact datasheet footprint. - Package or Case Code: CONN-SMD_DF40HC-4.0-70DS-0.4V-51 - Manufacturer Part Number: DF40HC(3.0)-70DS-0.4V(51) - Product Info Url: https://lcsc.com/product-detail/presales_HRS-Hirose-HRS-DF40HC-3-0-70DS-0-4V-51_C597944.html - Manufacturer Name: HRS(广濑) - LCSC Part Number: C597944 - Role: Amplifier Interface - JLCPCB Part Class: Extended Part - Part Type: Mezzanine Connectors (Board to Board) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_HRS-Hirose-DF40HC-3-0-70DS-0-4V-51_C597944.pdf - Allow Substitutes: No **Pins:** - 1 [pin 1] - 10 [pin 10] - 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] - 8 [pin 8] - 9 [pin 9] ### J6 — [B06P-VL](https://www.flux.ai/lcsc/b06p-vl~rtw.md) - JLCPCB Part Class: Extended Part - Manufacturer Name: JST - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2211282230_JST-B06P-VL_C493426.pdf - Package or Case Code: CONN-TH_B06P-VL - Role Details: SMPS1200A400 main power VLP-06V/B06P-VL: VDR+, HV+, GND, VDR-, HV-, GND - LCSC Part Number: C493426 - Product Info Url: https://lcsc.com/product-detail/New-Arrivals_JST-Sales-America-B06P-VL_C493426.html - Part Type: Wire To Board / Wire To Wire Connector - Manufacturer Part Number: B06P-VL - Role: Power Conversion **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### J7 — [Pin Header 01x07 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x07-254mm-vertical~nle.md) - Role Details: SMPS aux/control: SMPS_STBY, AMP_STBY, VAUX+, NC, GND, NC, VAUX- - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Role: Power Conversion **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] ### J8 — [B2P-VH(LF)(SN)](https://www.flux.ai/lcsc/b2p-vhlfsn~n4oo.md) - Voltage Rating: 250V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B2P-VH-LF-SN_C160315.pdf - Connector Gender: Male - Current Rating: 10A - Role Details: JST VH speaker output CH1: pin 1 SPK_CH1-, pin 2 SPK_CH1+ - Manufacturer Part Number: B2P-VH(LF)(SN) - Connector Type: Header - Operating Temperature: -25 ~ +85℃ - Connector Positions: 2 - Connector Rows: 1 - LCSC Part Number: C160315 - Role: Amplification - Manufacturer Name: JST - Connector Pitch: 3.96mm - JLCPCB Part Class: Extended Part - Package or Case Code: CONN-TH_B2P-VH-LF-SN - Part Type: Wire To Board / Wire To Wire Connector - Product Info Url: https://lcsc.com/product-detail/_JST_B2P-VH-LF-SN_B2P-VH-LF-SN_C160315.html **Pins:** - 1 [pin 1] - 2 [pin 2] ### J9 — [B2P-VH(LF)(SN)](https://www.flux.ai/lcsc/b2p-vhlfsn~n4oo.md) - LCSC Part Number: C160315 - Manufacturer Name: JST - JLCPCB Part Class: Extended Part - Connector Pitch: 3.96mm - Package or Case Code: CONN-TH_B2P-VH-LF-SN - Part Type: Wire To Board / Wire To Wire Connector - Product Info Url: https://lcsc.com/product-detail/_JST_B2P-VH-LF-SN_B2P-VH-LF-SN_C160315.html - Voltage Rating: 250V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B2P-VH-LF-SN_C160315.pdf - Role: Amplification - Connector Type: Header - Manufacturer Part Number: B2P-VH(LF)(SN) - Current Rating: 10A - Connector Gender: Male - Connector Rows: 1 - Role Details: JST VH speaker output CH2: pin 1 SPK_CH2-, pin 2 SPK_CH2+ - Operating Temperature: -25 ~ +85℃ - Connector Positions: 2 **Pins:** - 1 [pin 1] - 2 [pin 2] ### TP1 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role: Sensing (Shunt) - Role Details: Test pad for nFATAL - Testpoint Size: 0.5 **Pins:** - P1 ### TP2 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role Details: Test pad for nAMP_RDY - Role: Sensing (Shunt) - Testpoint Size: 0.5 **Pins:** - P1 ### TP3 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role Details: Test pad for nTMP_WRN1 - Role: Sensing (Shunt) - Testpoint Size: 0.5 **Pins:** - P1 ### TP4 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Testpoint Size: 0.5 - Role Details: Test pad for nTMP_WRN2 - Role: Sensing (Shunt) **Pins:** - P1 ### TP5 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Testpoint Size: 0.5 - Role: Sensing (Shunt) - Role Details: Test pad for nCLP_CH1CH2 **Pins:** - P1 ### TP6 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role: Sensing (Shunt) - Testpoint Size: 0.5 - Role Details: Test pad for nCLP_CH3CH4 **Pins:** - P1 ### TP7 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role: Sensing (Shunt) - Role Details: Test pad for I2C_SCL - Testpoint Size: 0.5 **Pins:** - P1 ### TP8 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role Details: Test pad for I2C_SDA - Role: Sensing (Shunt) - Testpoint Size: 0.5 **Pins:** - P1 ### TP9 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role: Sensing (Shunt) - Role Details: Test pad for nPWRGD - Testpoint Size: 0.5 **Pins:** - P1 *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/harleysanders/hypex-dsa254-interface-board-rev-a~d7](https://www.flux.ai/harleysanders/hypex-dsa254-interface-board-rev-a~d7).* --- *Generated from [https://www.flux.ai/harleysanders/hypex-dsa254-interface-board-rev-a~d7](https://www.flux.ai/harleysanders/hypex-dsa254-interface-board-rev-a~d7)*