M4703 ENERCON | Alldatasheet

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Technical content

Page 1 of 15 Sep 14, 2023 | Rev (g) | Doc: DS_M4703 Series M4703 Series– DC/DC Power Supply Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in

Description

M4703 is a military grade 6U VPX, SOSA™-aligned power supply that provides 12V and 3.3VAUX per VITA 62 that is rated at 1200W output power. Features include: conduction cooling, 1" pitch, current-sharing, internal EMI filters, VITA 46.11 system management. DC input is 270V per MIL-STD-704. Designed to meet MIL-STD-810 and MIL-STD-461. M4703 SERIES DC/DC POWER SUPPLY PRODUCT HIGHLIGHTS

  • VITA 62 COMPLIANT
  • 6U VPX FORM FACTOR
  • SOSATM ALIGNED
  • DC/DC CONVERTER
  • Up to 1200W Steady State
  • Cyber Secure

Page 2 of 15 Sep 14, 2023 | Rev (g) | Doc: DS_M4703 Series M4703 Series– DC/DC Power Supply Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in

Applications

Military (Airborne, ground-fix, shipboard), Ruggedized, Telecom, Industrial Special Features

  • VITA 62 6U • Fixed switching frequency • Indefinite short circuit
  • SOSATM Aligned • Parallel configuration protection with auto-recovery
  • High efficiency • 46.11 Tier 2 communication • Over temperature shutdown
  • Input / Output isolation • External Inhibit & Enable with auto recovery
  • Remote sense
  • EMI filters included Electrical Specifications Notes:

1 Contact Factory for peak power options

2 RE102 Supported at system Level

270 VDC

  • Works Through MIL-STD-704 (B-F) Normal and Abnormal Steady State.
  • Works Through MIL-STD-704(E-F) Normal transients
  • Protected MIL-STD-704(B-D) Normal/Abnormal Transients
  • Protected MIL-STD-704(E-F) Abnormal Transients
  • Optional: Works Through MIL- STD-704(E-D) Abnormal Transients Line/Load regulation ±1% or better (no load to full load, low line to high line (–55°C to 85°C). Ripple and Noise Less than 50mVp-p, typical (max. 1%), measured across 0.1µF and 10µF on Load System Management Options 1) I2C 2) VITA 46.11 Tier II IPMC Data available:
  • Output voltages and currents
  • Input voltage
  • Card temperature
  • Card status DC Outputs PO1/PO2/PO3 12V/90A 3.3Vaux 3.3V/20A Total Steady state Power 1200W (–55°C to +85°C). Hold Up N/A Current Share 12V Active Current share 3.3Vaux Passive Current Share (3.3Vaux ACS optional) Load Transient Output dynamic response up to 5% at step load of 30%-90%. Output return to steady stated within 300-500µSec Power Factor N/A Isolation 500VDC Input to Output 500VDC Input to Case 500VDC Output to Case EMC Designed to meet MIL-STD-461F 2 CE102, CS101, CS114, CS115 &CS116,CS117 RE102 Efficiency Typical 89% (Nominal line, nominal load, room temperature)

Page 3 of 15 Sep 14, 2023 | Rev (g) | Doc: DS_M4703 Series M4703 Series– DC/DC Power Supply Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in Protections (Thresholds and protections can be modified / removed – please consult factory). Input

  • Inrush Current Limiter: peak value of 5 x IIN for inrush currents lasting longer than 100μs.
  • Under Voltage Lock-Out Unit shuts down when input voltage is below 190Vdc ± 5Vdc.
  • Catastrophic Failure Protection Fuses are available to protect from catastrophic failure. The fuses are rated not to engage due to any normal type operation. Outputs
  • Over Voltage Protection: 12V Active & Passive OVP 3.3Vaux Active & Passive OVP
  • Overload / Short Circuit Protection 12V&3.3Vaux Output-Continuous Hiccup protection (110-130%). General
  • Over temperature Protection: Shutdown at +100 °C ± 5°C Recovery at +90 °C ± 5°C Temperature measured at Unit edge. Environmental Designed to meet MIL-STD-810G and VITA 47 Temperature Operating: –55°C to +85°C (at plug-in card edge, IAW VITA 62 CC4) Storage: –55°C to +125°C Humidity 810G Method 507.5 & VITA 47 Para. 5.6, Up to RH 95%. Reliability > 314,000 hours, calculated per MIL-STD-217F Notice 2 at +65°C at wedge lock edge, Ground Fixed. Altitude 810G Method 500.5, Procedure II (Operational) & VITA 47 para. 5.7 60,000 ft. Vibration 810G Method 514.6 Procedure I. General minimum integrity exposure. (1 hour per axis & VITA 47 Vibration Class V3 Salt Fog Method 509.5 Shock 810G Method 516.6 Procedure I & VITA 47 Shock Class OS2 Saw-tooth, 40g peak, 11ms Fungus Does not support fungus growth, in accordance with the guidelines of MIL – STD – 454, Requirement 4. Environmental Stress Screening (ESS) Including random vibration and thermal cycles is also available. Please consult factory for details.

Page 4 of 15 Sep 14, 2023 | Rev (g) | Doc: DS_M4703 Series M4703 Series– DC/DC Power Supply Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in Functions and Signals (according to VITA 62.0) Notes: ¹ All Signals referenced to SIGNAL RTN ² When not used leave open ³ Non-SOSATM configuration Signal Name Type Description FAIL* Output Indicates to other modules in the system that a failure has occurred in one of the outputs. Please refer to Figure 2 SYSRESET* Output Indicates to other modules in the system that all outputs are within ¹ their working level. Please refer to Figure 2 INHIBIT* Input Controls power supply outputs. This signal in conjunction with Enable controls the outputs. Please refer to Table 1 and Figure ENABLE* Input Controls power supply outputs. This signal in conjunction with INHIBIT controls the outputs. Please refer to Table 1 and Figure 1 GA0-4*, GAP* Input Used for geographical addressing. GA4 is the most significant bit and GA0 is the least significant bit. SCL, SDA Bidirectional I2C bus Clock and Data respectively. Through this bus the voltage and temperature readouts can be shared. Sync In Input The Sync signal is used to allow the power supply frequency to sync with the system frequency. (Optional) Sync Out Output Send Internal switching frequency. (Optional) VOUT SENSE Input The SENSE is used to achieve accurate load regulations at load terminals (this is done by connecting the pins directly to the load’s terminals). 12VCS Bidirectional Support current share between Outputs. Two pins required. ¹ ² 12V ACS Bidirectional Support Active current share between Outputs. See Current Share para. ¹ ² 3.3Vaux CS Bidirectional Support current share between Outputs. See Current Share para. ¹ ² 3.3Vaux ACS Bidirectional Support Active current share between Outputs. See Current Share para. ¹ ² ³

Page 6 of 15 Sep 14, 2023 | Rev (g) | Doc: DS_M4703 Series M4703 Series– DC/DC Power Supply Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in Detailed Information 1. Input Voltage Operation. The M4703 steady state operation is per Mil-STD-704. Unit will work thorough all Normal Transients per Mil- STD-704 B to F, protected to all other transients and interrupts. 2. Outputs Voltage Regulation The M4703 contains accurate internal sense lines to keep output voltage at less than 3% regulation for all Line / Load and temperature range (see Table 2). The M4703 contains three 12V sense line pairs. These sense lines are all shorted together internally. For proper operation, connect only a single sense line to the point of load regulation. The same recommendation applies to the sense return line. For proper current shared operation, connect a single sense line from each M4703 to the same point of load regulation. Output 12V Output 3.3Vaux Output Voltage Range 11.85 – 12.15 3.25 – 3.4 Table 2: Outputs voltage regulation. Temperature -55°C – 85°C Figure 3 – Sense Lines connection

Page 7 of 15 Sep 14, 2023 | Rev (g) | Doc: DS_M4703 Series M4703 Series– DC/DC Power Supply Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in 3. Current Share (C.S) Current Share of two or more units is optional (Contact Factory) 12V output and 3.3VAux will current share with about 2-4A load balance. 3.1 Active Current Sharing (A.C.S) Current share done in a closed-loop. All paralleled outputs are compared and feedback is used to balance their load current. The result is a more stable, less sensitive output voltage without voltage drop. Typical Load Balance of about 1 to 4A for all Load range is expected. ACS is supported by the 12V output. Optional for 3.3Vaux¹ ². 3.2 3.3Vaux Passive current sharing (P.C.S) Current sharing is done in open loop, output voltage drops as a function of output load. Load Balance of about 5 -10% is expected. 3.3Vaux ACS is optional¹ ² 3.3 Current share connection between two Units. For a required output to current share please connect the following Pins between the two units

  • PO#_Sense & PO#_Sense_RTN (for best performance, Pins from paralleled units should be connected to a single point and as close as possible to the load point)
  • Connect A7, B7 AND C7 to corresponding pin between units (A7 to A7, etc.)
  • Connect B1 for 3.3Vaux ACS (Optional, not per SOSA pinout. This pin is internally N.C if not ordered) When not used, all share pins can be left open. Figure 4 -Typical ACS Dynamic Load of Two 12V Paralleled Outputs Notes: ¹ When not used, share pins can be left open. ² When ordering 3.3Vaux P.C.S or Non-Current Share unit, those pins are Internally disconnected

Page 8 of 15 Sep 14, 2023 | Rev (g) | Doc: DS_M4703 Series M4703 Series– DC/DC Power Supply Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in 4. Communication Protocol Unit communication protocol can be configured as VITA 46.11 Tier 2 IPMC, VITA 46.11 Tier 1 IPMC or Advanced I2C protocol. For more details on protocols refer to para. 5.1 and 5.2

4.1 Advanced I2C Protocol

Vcc 3.3VDC Pull-up 20kOhm Input capacitance 100pf Slave Device Addressing - 256 address spaces - Baud rate: 200kHz maximum - 7 Bit Protocol - Support Slot Addressing per VITA 62 MSB LSB Slot Number A6 A5/*GAP A4/*GA41 A3/*GA3 A2/*GA2 A1/*GA1 A0/*GA0 R/W Slot0 1 0 0 0 0 0 0 Slot1 1 0 0 0 0 0 1 Slot2 1 0 0 0 0 1 0 Slot3 1 0 0 0 0 1 1 * Slot location is determined by GAx per VITA 62. Communication Supported Read Command – 21Hex, deliver 64Bytes of Data. (More commands are available by request) The communication starts when the master sends a start followed by the unit slave address, command, checksum and a stop. A second start followed by the slave address and a read will be followed by a 64 Bites response. S Slave Address R/W A Command A Check sum A P A6:A0 0 0 21 Hex 0 DF Hex 0 S Slave Address R/W A DATA A DATA A DATA A • • • DATA A Check sum N/A P A6:A0 1 0 D7:D0 0 D7:D0 0 D7:D0 0 D7:D0 0 D7:D0 1 Command -21Hex read all 64 Bytes S- Start P-Stop Master Transmit Unit Transmit

Page 9 of 15 Sep 14, 2023 | Rev (g) | Doc: DS_M4703 Series M4703 Series– DC/DC Power Supply Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in Memory Space Note: M2=20.48 / 𝟐𝟏6-1 M3=140 / 𝟐𝟏6-1 M4=10 / 𝟐𝟏6-1 M5=20 / 𝟐𝟏6-1 *Matching unit part number Response Byte # Data Type Meaning Interpretation Reading Range

0 U Integer, MSB First Echo of Command 21 Hex

1 U Integer, MSB First N/A 00 Hex

2 S Integer, MSB First Temperature T(Cᵒ)=+/- 7bit Dec -55 to 125 ᵒC

3 U Integer, MSB First Reserved 00Hex

4-5 U Integer, MSB First PO1 12V Voltage V(out) = Data/ m2 20.48V 6-7 U Integer, MSB First PO2 12V Voltage V(out) = Data/ m2 20.48V 8-9 U Integer, MSB First PO3 12V Voltage V(out) = Data/ m2 20.48V 10-11 U Integer, MSB First 3.3V Aux Voltage V(out) = Data/ m2 20.48V 12-13 U Integer, MSB First 12VAux Voltage V(out) = Data/ m2 Optional 14-15 U Integer, MSB First (-)12V Aux Voltage V(out) = Data/ m2 Optional 16-17 U Integer, MSB First 12V Total Current V(out) = Data/ m3 140A 18-19 U Integer, MSB First 12V Total Current - Copy V(out) = Data/ m3 140A 20-21 U Integer, MSB First 12V Total Current - Copy V(out) = Data/ m3 140A 22-23 U Integer, MSB First 3.3VAux Current V(out) = Data/ m5 20A 24-35 U Integer, MSB First 12V Aux Current V(out) = Data/ m4 Optional 26-27 U Integer, MSB First (-)12V Aux Current V(out) = Data/ m4 Optional 28-29 U Integer, MSB First Reserved 00Hex 30-31 U Integer, MSB First Reserved 00Hex 32-51 Character String (ASCII) Part Number M4703-xxx* (Note1) 20 Characters 52-53 Decimal, MSB First Serial Number, 2MSB Dig X,X Dec (Note2) Optional 54-55 Decimal, MSB First Serial Number, 2LSB Dig X,X Dec (Note2) Optional 56-57 Decimal, MSB First Date Code Week, Year (Note3) Optional 58-59 Character String (ASCII) Hardware Rev B01 & B02 Boards (note4) 2 Characters 60-61 Decimal, MSB First Firmware Rev X,X,X,X Dec (Note5) 4 digits

62 U Integer, MSB First Reserved AA Hex

63 U Integer, MSB First Zero Checksum Value required to make the sum of bytes 0 to

62 added to a multiple of 256

Page 10 of 15 Sep 14, 2023 | Rev (g) | Doc: DS_M4703 Series M4703 Series– DC/DC Power Supply Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in Notes 1 to 5: 1. Part Number Example: M4065-4 Byte No’ 32 33 34 35 36 37 38 39-51 Character M 4 0 6 5 (-) 4 0 Hex 4D 34 30 36 35 2D 34 00 3. Serial Number Example: 25 Byte No’ 52 53 54 55 Dec Number 0 0 0 0 0 0 2 5 4. Date Code Example: week 35 of 2018 Byte No’ 56 57 Dec Number 3 5 1 8 5. Hardware Rev Example: B01 Rev (-), B01 Rev A Byte No’ 58 59 Character (-) A Hex 2D 41 6. Firmware Rev Example: 2.1.0.0 Byte No’ 60 61 Dec Number 2 1 0 0

Page 11 of 15 Sep 14, 2023 | Rev (g) | Doc: DS_M4703 Series M4703 Series– DC/DC Power Supply Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in 4.2 VITA 46.11 Tier 1 and Tier 2 IPMC Please see 46.11 User Manual for detailed information of operation. Sensors included are seen in the table below. Record ID Sensor ID Sensor Type Name 0000 00 F0h FRU State Sensor 0001 01 F1h System IPMB Link Sensor 0002 02 F2h FRU Health Sensor 0003 03 02h FRU Voltage Sensor 0004 04 F3h FRU Temperature Sensor 0005 05 F4h Payload Test Results Sensor 0006 06 F5h Payload Test Status Sensor 0100 07 02h VS1 Voltage 0103 0A 02h 3.3VAux Voltage 0106 0D 03h VS1 Current 0109 10 03h 3.3VAux Current 010C 13 01h Analog Temperature 010D 14 01h Analog Temperature 2

9999 N/A N/A Device Management

Page 12 of 15 Sep 14, 2023 | Rev (g) | Doc: DS_M4703 Series M4703 Series– DC/DC Power Supply Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in Block diagram

Page 13 of 15 Sep 14, 2023 | Rev (g) | Doc: DS_M4703 Series M4703 Series– DC/DC Power Supply Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in 5. Pin Assignment Pin Number Signal Name P7 +DC P6 +DC P5 -DC P4 -DC P1 CHASSIS_GND Connector P1: Connector type: 6450849-6 or eq Connector P0 Connector type: 2348886-1 or eq. Pin Number Pin Name P10 12V/35A (VS1, VS2) P9 12V/35A (VS1, VS2) A9 12V_SENSE B9 12V_SENSE C9 12V_SENSE D9 Sync in A8 12V_SENSE_RTN B8 12V_SENSE_RTN C8 12V_SENSE_RTN D8 Sync Out A7 12V_CS B7 12V_ACS C7 3.3Vaux_CS D7 SIGNAL_RETURN P8 POWER_RETURN P7 POWER_RETURN A6 SCL_B B6 SDA_B C6 -12V_AUX / N.C D6 SYSRESET* A5 GAP* B5 GA4* C5 SCL D5 SDA A4 GA3* B4 GA2* C4 GA1* D4 GA0* A3 N.C B3 +12V_AUX/N.C C3 N.C D3 N.C P6 12V/35A (VS1, VS2) P5 12V/35A (VS1, VS2) P4 POWER_RETURN P3 POWER_RETURN A2 N.C B2 FAIL* C2 INHIBIT* D2 ENABLE* A1 N.C B1 3.3Vaux ACS C1 3.3Vaux Sense D1 3.3Vaux Sense return P2 3.3V/15A P1 POWER_RETURN Notes:

  • P5,P6 are shorted internally.
  • P10,P9 are not shorted internally.
  • P10 or P9 are not shorted internally to P5,P6.

Page 14 of 15 Sep 14, 2023 | Rev (g) | Doc: DS_M4703 Series M4703 Series– DC/DC Power Supply Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in Outline Drawing For detailed dimensions and tolerances see Drawing: M4703001 Rev 1

Page 15 of 15 Sep 14, 2023 | Rev (g) | Doc: DS_M4703 Series M4703 Series– DC/DC Power Supply Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in NOTES : 1. CONNECTOR AND BARRIER: 1.1: TYCO P/N 2348886-1 OR EQ. MATES WITH: TYCO P/N 2348888-1. 1.2: TYCO P/N 6450849-6 OR EQ. MATES WITH: TYCO P/N 1-6450869-0. 1.3: BARRIER INSERT, TYCO P/N 2313445-1.

2.1 MATERIAL: ALUMINUM 6061-T651

2.2 FINISH: CONVERSION COAT PER MIL-DTL-5541, TYPE I or II, CLASS 1A.

2.3 FINISH:BLACK ANODIZE PER MIL-A-8625, TYPE II, CLASS 2

  1. MATERIAL: 303 PER ASTM A895/A582 OR 304 PER ASTM A240/A276 FINISH: SAE AMS 2700 TYPE II PASSIVATE 4. WORKMANSHIP SHALL BE MIL-STD-454, REQT. 9 5. Weight Approx. 4 lbs. * Specifications are subject to change without prior notice by the manufacturer.