VPX Power Backplane 3U 1Slot High Input Voltage

 

Part number: B1931AM220

Key Features
  • Compliant to VITA 62.0
  • High Input Voltage (85 - 265VAC)
  • Input (max.): 17A limited by P(Out = 600W)
  • Power input: 3U-Power VITA 62
  • Output (max.): 680W (90% eff.)
  • Output nominal:
    • VS1: 12VDC – 40A
    • VS2: 3V3 – 20A
    • VS3: 5VDC – 40A
    • 3V3AUX – 6
    • ± 12VAUX – 1,5A
  • limited by Power-GND to 680W (12V + 5V)
  • M4 studs for output 12V, 5V and GND
  • M3 studs for output 3,3V and 3,3VAUX
  • PCB size 128,5 mm x 38,92 mm x 3,0 mm
  • Operating temperature: -40° - +85°C
  • Storage temperature: -55°C - +85°C
  • Flammability rating: UL94-V0
Layout
Connectors

XPSU

Connector XPSU

R4, R6, R8, R9, R10 is optional if sense lines cannot be connected

XIN

Input Voltage Connector for VPX Power Backplane 3U

1: CASE GND
2,3: Input voltage 36 - 500V (AC/DC)

 

XSIG

VPX - Signal Connector from Power Backplane to Backplane (XSIG)

1,3: Return path for signals, grounded on VPX-Backplane
2: Failure in PSU (out, L)
4: System Reset (in, L)
5,6: User defined signals - for future use
7,8: Nuclear event detection
10-14: Sense for voltage adjustment

 

XI2CA + XI2CB

IPMB (A+B) Connector for VPX Power Backplanes (XI2CA + XI2CB)

1,3: Serial clock and data, IPMBA (SM0,SM1) of VPX
4: IPMB-Power is connected at VPX-Backplane
5: Not available from PSU

 

XCTR

Connector for control of VPX Power Backplanes (XCTR)

1,3: Return path for signals, grounded on VPX-Backplane
2: Enable PSU (in, L)
4: Inhibit PSU (in, L)

 

R15 is optional for continuous Power supply ENABLE-Signal

R28 is optional for access to 12V by XCTR connector

XAUX

Connector for auxiliary voltages (XAUX)

1: Auxiliary voltage ~ 3.0 V (2.55-3.5V, for setups, volatile memories etc.)

 

SW1

Switch SW1

RA0, RA1 resistor is optional for fixed geographic address