D1U86 Datasheet, PDF (4/7 Pages) Murata Power Solutions Inc. – 86mm 1U Front End DC-DC Power Supply Converter

D1U86-D-1600-12-HBxDC Series
86mm 1U Front End DC-DC Power Supply Converter
STATUS AND CONTROL SIGNALS (CONTINUED)
Signal Name
I/O Description
Interface Details
ADDR (Address Select)
Input An analogue input that is used to set the address of the internal slave devices (EEPROM and
microprocessor) used during digital communications.
DC voltage between the limits of 0 and
+3.3Vdc.
Connection of a suitable resistor to +12V_GND, in conjunction with an internal resistor divider chain,
will configure the required address.
HEX Address Combinations by Analogue ADDR External Resistance Value
ADDR External Resistance to Power Module Secondary Power Module
RTN/Ground
Main Controller (Serial Slave EEPROM (Serial
(KΩ; ±5% Tolerance)
Address)
Slave Address)
0.82
0xB0
0xA0
2.7
0xB2
0xA2
5.6
0xB4
0xA4
8.2
0xB6
0xA6
15
0xB8
0xA8
27
0xBA
0xAA
56
0xBC
0xAC
180
0xBE
0xAE
SCL (Serial Clock)
SDA (Serial Data)
IMONITOR
Both
Both
Analogue
Voltage
A serial clock line compatible with PMBus^TM Power Systems Management Protocol Part 1 – General
Requirements Rev 1.1.
No additional internal capacitance is added that would affect the speed of the bus.
The signal is provided with a series isolator device to disconnect the internal power supply bus in the
event that the power module is unpowered,
A serial data line compatible with PMBus^TM Power Systems Management Protocol Part 1 – General
Requirements Rev 1.1.
The signal is provided with a series isolator device to disconnect the internal power supply bus in the
event that the power module is unpowered,
The current monitor signal is an analogue DC voltage that indicates the actual current contribution
provided by a single unit. If the power module is the sole contributor to the system load current
then the indicated current (proportional to the DC voltage) is the total load current.
If the power module is one of a number (“N”) of units “sharing” the overall load current then the
indicated current should be considered as a contribution where the total load will be ”N” times
that of the indicated current of a single module.
For a single unit the voltage of the signal pin would read 8VDC at 100% module capability.
For two identical units sharing the same 100% current this would read 4VDC for perfect current
sharing (i.e. 50% module load capability per unit).
VIL is 0.8V maximum
VOL is 0.4V maximum when sinking
3mA
VIH is 2.1V minimum
VIL is 0.8V maximum
VOL is 0.4V maximum when sinking
3mA
VIH is 2.1V minimum
Analogue voltage:
+8V maximum; 10K to +12V_GND
STATUS INDICATOR CONDITIONS
LED State
1. Off
2. Green – blinking 1Hz
3. Green – solid
4. Yellow – blinking 1Hz
5. Yellow – solid
Mode
DC Turn-off
Standby
Power-good
Warning
Fault
Operating Condition
The incoming DC source is below the minimum power module turn-on specification
The power module VStandby output is operating within normal parameters and main output is disabled
The power module VStandby & Main outputs are operating within normal parameters and delivering power
A warning condition within the power supply has been detected
A fault condition within the power supply has been detected.
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D1U86-D-1600-12-HBxDC.A02 Page 4 of 7