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Roadmap — Hardware Product Through EVT, DVT and PVT Gates

A stage-gated hardware roadmap for a fictional 22 kW wall-box EV charger, from engineering validation to mass production, with gate reviews as milestones on the band above the lanes: 16 items (3 done, 5 in progress, 7 planned, 1 at risk) and 4 milestones over six quarters, status date 10 Jun 2027. All 22 dependencies finish before their dependents start, including CE (LVD, EMC, RED) and UL 2594 testing after design validation, and the longest chain runs from the G2 concept freeze through EVT, DVT and the CE campaign to the retail launch. Illustrative roadmap.

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Voltaris W22 wall-box charger — programme roadmapVoltaris W22 wall-box charger — programme roadmapEngineering, certification and supply chain to production release · gate reviews on the top bandDone 3In progress 5Planned 7At risk 14 milestones22 dependenciesStatus date 10 Jun 2027LANES · QUARTER20272028Q1Q2Q3Q4Q1Q2MILESTONESToday · 10 Jun 2027Electrical hardware3 itemsMechanical andthermal3 itemsFirmware and cloud3 items · 1 at riskCertification3 itemsManufacturing andsupply4 itemsEVT: power board and metering rev A · (2027-02 .. 2027-04) · doneDVT: rev B boards, 60 units · (2027-05 .. 2027-09) · in progress · 30%PVT: pilot build on the production line · (2027-11 .. 2028-01) · plannedEnclosure design to IK10 and IP65 · (2027-02 .. 2027-04) · doneInjection-mould tooling, T1 to T3 · (2027-05 .. 2027-10) · in progress · 20%Thermal derating tests at 50 °C · (2027-08 .. 2027-09) · plannedOCPP 2.0.1 charge-point stack · (2027-01 .. 2027-06) · in progress · 85%ISO 15118 Plug & Charge · (2027-07 .. 2027-12) · plannedSigned over-the-air updates · (2027-04 .. 2027-08) · at risk · owner Firmware securityEMC pre-compliance scans · (2027-06 .. 2027-08) · in progress · 10%CE test campaign: LVD, EMC and RED · (2027-10 .. 2027-12) · plannedUL 2594 and UL 2231 listing · (2027-10 .. 2028-02) · planned · owner Compliance leadContract manufacturer selected · (2027-03 .. 2027-05) · doneLong-lead buy: relays, RCD modules, MCUs · (2027-06 .. 2027-08) · in progress · 15%End-of-line test station · (2027-09 .. 2027-11) · plannedRamp to 2,000 units a month · (2028-02 .. 2028-06) · plannedG2 Concept freeze · (2027-01-29) · milestone, achievedG3 Design freeze · (2027-09-30) · milestone, plannedG4 Production release · (2028-01-31) · milestone, plannedRetail launch · (2028-03-15) · milestone, plannedEVT: power board andmetering rev ADVT: rev B boards, 60 units · 30%PVT: pilot build on theproduction lineEnclosure design to IK10and IP65Injection-mould tooling, T1 to T3 · 20%Thermal derating tests at 50 °COCPP 2.0.1 charge-point stack · 85%ISO 15118 Plug & ChargeSigned over-the-air updatesFirmware securityEMC pre-compliancescans · 10%CE test campaign: LVD,EMC and REDUL 2594 and UL 2231 listingCompliance leadContract manufacturerselectedLong-lead buy: relays, RCDmodules, MCUs · 15%End-of-line test stationRamp to 2,000 units a monthG2 Concept freezeG3 Design freezeG4 Production releaseRetail launchCHECKS16 items in 5 lanes and 4 milestones: 3 done, 5 in progress, 7 planned, 1 at risk — every dependency finishes before its dependent starts.1 item at risk: “Signed over-the-air updates”.Longest dependency chain: “G2 Concept freeze” → “EVT: power board and metering rev A” → “DVT: rev B boards, 60 units” → “CE test campaign: LVD, EMC and RED” → “G4 Production release” → “Retail launch” (6 steps, ending 15 Mar 2028).All 22 dependencies finish before their dependents start.Nothing is past its date and unfinished as of 10 Jun 2027.Illustrative example: Voltaris is a fictional manufacturer; quantities, test plans and dates are invented and are not compliance advice.

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title "Voltaris W22 wall-box charger — programme roadmap"
subtitle "Engineering, certification and supply chain to production release · gate reviews on the top band"
note "Illustrative example: Voltaris is a fictional manufacturer; quantities, test plans and dates are invented and are not compliance advice."
axis quarters 2027-Q1 .. 2028-Q2
today 2027-06-10

milestone g2 "G2 Concept freeze" 2027-01-29 done
milestone g3 "G3 Design freeze" 2027-09-30 planned after dvt
milestone g4 "G4 Production release" 2028-01-31 planned after pvt, ce
milestone launch "Retail launch" 2028-03-15 planned after g4, ul

lane "Electrical hardware" color: orange
  item evt "EVT: power board and metering rev A" 2027-02 .. 2027-04 done after g2
  item dvt "DVT: rev B boards, 60 units" 2027-05 .. 2027-09 in progress 30% after evt
  item pvt "PVT: pilot build on the production line" 2027-11 .. 2028-01 planned after dvt, tooling

lane "Mechanical and thermal" color: slate
  item enclosure "Enclosure design to IK10 and IP65" 2027-02 .. 2027-04 done after g2
  item tooling "Injection-mould tooling, T1 to T3" 2027-05 .. 2027-10 in progress 20% after enclosure
  item thermal "Thermal derating tests at 50 °C" 2027-08 .. 2027-09 planned after enclosure

lane "Firmware and cloud" color: violet
  item ocpp "OCPP 2.0.1 charge-point stack" 2027-01 .. 2027-06 in progress 85%
  item pnc "ISO 15118 Plug & Charge" 2027-07 .. 2027-12 planned after ocpp
  item ota "Signed over-the-air updates" 2027-04 .. 2027-08 at risk owner: "Firmware security"

lane "Certification" color: rose
  item precompliance "EMC pre-compliance scans" 2027-06 .. 2027-08 in progress 10% after evt
  item ce "CE test campaign: LVD, EMC and RED" 2027-10 .. 2027-12 planned after dvt, precompliance
  item ul "UL 2594 and UL 2231 listing" 2027-10 .. 2028-02 planned after dvt owner: "Compliance lead"

lane "Manufacturing and supply" color: teal
  item cm "Contract manufacturer selected" 2027-03 .. 2027-05 done
  item longlead "Long-lead buy: relays, RCD modules, MCUs" 2027-06 .. 2027-08 in progress 15% after cm
  item eol "End-of-line test station" 2027-09 .. 2027-11 planned after longlead
  item ramp "Ramp to 2,000 units a month" 2028-02 .. 2028-06 planned after pvt, ce, eol