SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power Supply User Guide
- June 15, 2024
- SilverStone
Table of Contents
SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power Supply User Guide
SPECIFICATION
SilverStone Gemini Series
Gemini 800C Platinum
SST-GM800C-PF/SST-GM800C-PFU
1+1 2U CRPS Redundant Switching Power Supply
80 PLUS Platinum efficiency certified.
800W+800W
Introduction
This specification defines the electrical and functional characteristics for
two 800W Power modules .Unless otherwise noted, the requirements in this
specification are applicable for each of the above listed power supplies.
The 800W power supply modules will be used for 1+1 redundant (load sharing)
operation and should be designed to be inserted and removed (“hot plugging”)
while the system is running.
The power supply must provide a PMBus interface through which the system is
able to read and write various devices. Note that, with 2 power supplies
present in a system (redundant configuration), the I2C devices with-in a power
supply must be accessible even if the power supply has failed or faulted.
Input Power
2.1 Voltage and Current
Input voltage
Input current
※1. At 264Vac 25°C, max load cold start, any Inrush current spike shall not
exceed 35A peak.
※2. At 90~264Vac 25°C, max load hot start, any inrush current of the AC line
shall not cause damage to the power supply.
2.2 Efficiency
Only power module efficiency meet Cybenetics Platinum at all specified load points. The efficiency should be measured at 230VAC and with external fan power according to Climate efficiency measurement specifications.
2.3 Power Factor
The power factor of the power supply should greater than 0.95 at 115Vac/60Hz
input voltage and 50% of maximum load.
2.4 Harmonic Current
The harmonic current of the power supply shall be measured at the maximum load
with input voltage of 230Vac/50Hz. Meet EN 61000-3-2, Class A.
Output Power
3.1 Voltage and Current
Output voltage and current
※1. Maximum combined power on +3.3V and +5V shall not exceed 170W.
※2. Maximum combined power for all output shall not exceed 800W.
3.2 Ripple and Noise
The maximum allowed ripple and noise output of the power supply is defined in
below table. This is measured over a bandwidth of 10Hz to 20MHz at the power
supply output connectors. A 10uF low ESR electrolytic capacitor in parallel
with a 0.1uF ceramic capacitor is placed at the point of measurement. To help
reduce switching ripple further, an additional 2200uF low ESR electrolytic
capacitor may be placed in parallel.
Measurements made where the cable connectors attach to the load.
3.3 Dynamic Loads
The output voltages shall remain within limits specified for the step loading
and capacitive loading specified in the test table below. The load transient
repetition rate shall be tested between 50Hz and 5KHz frequency and above 25%
load.
3.4 Hot Swap Transient Load
When an additional power module is ORed together, or, removed from a group of one power module, the outputs shall maintain regulation.
3.5 Turn On/Off Overshoot
Overshoot at turn on shall be less than 10% of the nominal output voltage.
3.6 Load Capacitance
The power supply shall be stable and meet all requirements with the following
capacitive loading ranges.
Protection
If the power supply is protected when OCP, OVP, OTP or short protection (except +5Vsb), the power supply shall shut down and latch off. The power supply return to normal operation after the fault condition has been remove and PS_ON signal must reset for OFF/ON cycle with a minimum OFF time of 1 second or AC power must reset for OFF/ON cycle with a minimum OFF time more than 1 minute. Then it will turn on again. +5Vsb by output protection shall be auto recovery.
4.1 Shutdown Definition
Shutdown is defined as a condition where the +12V, +5V, +3.3V and -12V outputs latches off. The +5Vsb output shall remain on.
4.2 Over Current Protection
The overload currents testing slew rate is 10 A/s starting from maximum load.
4.3 Over Voltage Protection
The over voltage sense circuitry and reference shall reside in packages that
are separate and distinct from the regulator control circuitry and reference.
The power supply shall provide latch off mode for over voltage protection as
defined in below.
4.4 Short Circuit Protection
An output short circuit is defined as any output impedance of less than 10m Ω.
The power supply shall shut down and latch off for shorting the +3.3V, +5V, or
+12V rails to return.
The +5Vsb power supply will not latch under short circuit condition on +5Vsb
output. It will return to its normal operating mode once the short circuit is
removed.
4.5 Over Temperature Protection
The power supply shall have thermal protection against over temperature
condition caused by loss of airflow or excessive ambient or hot spot
temperature. The PSU should shut down and latch off when over temperature
triggered.
4.6 Fan Fault Protection
After 10 sec the power supply should be latch off when fan fault occur. When
fan speed malfunction, fan warning signal should be sent it out first then
latch off the power supply.
4.7 Backplane Buzzer Alarm
When power supply operate at 1+1 redundant mod, if any one of power supplies fails, the buzzer should make a continuous sound.
4.7.1 Two Ways to Stop the Buzzer Sound
- Remove the damaged power.
- Press the push switch.
4.8 LED Indicator
All LEDs shall protrude beyond the supply chassis surface for good visibility. There is a bi-color LED.
Sequencing and Signals
T1: +5Vsb power on delay time ≦ 1.5s.
T2: The output voltages rise time from 10% to 90% during 0.1ms to 70ms.
T3: PWOK signal delay time during 100ms to 500ms.
T4: AC loss to PWOK signal hold up time ≧ 10ms.
T5: PWOK signal turn off delay time ≧ 1ms.
T6: Power on delay time ≦ 400ms.
T7: AC loss to +5Vsb output hold up time ≧ 50ms.
5.1 Hold-up Time
When AC is removed, the output must remain regulation for at least 12ms with 70% of maximum load and over 100-240VAC input.
5.2 PWOK Signal
PWOK is an active high output signal from the power supply used to indicate
that:
- The PS ON signal is active low
- The +12V, +5V and +3.3V outputs is above its under voltage threshold and below its over voltage threshold
- The load is below the over current threshold
- The power supply is operating normally and within thermal limits.
If the PWOK signal transitions from high to low (de-asserted) shows the power supply shut down.
The electrical and timing characteristics of the PWOK signal are given in below.
- For test purposes, the PWOK signal shall be terminated at the output power supply connector with a 0.01uF ceramic capacitor.
- When only one power module, the AC loss to PWOK hold up time ≧ 10ms at 70% load condition.
5.3 PS ON Signal on/off Control
PS ON is an active-low, TTL-compatible signal that allows a motherboard to
remotely control the power supply in conjunction with features such as soft
on/off. The OFF/ON cycle with a minimum OFF time is 1s.
The power supply shall provide an internal pull-up to TTL high. The power
supply shall also provide de-bounce circuitry on PS ON to prevent it from
oscillating on/off at startup when activated by a mechanical switch.
5.4 Power on Delay Time
The power-on time is defined as the time from when PS ON is pulled low to when the +12V, +5V and +3.3V outputs are within the regulation ranges specified in Section 3.1. The power-on time shall be less than 400ms.
5.5 Rise time
The output voltages shall rise from 10% to 90% of nominal to within the regulation ranges specified in Section 3.1 within 0.1ms to 70ms.
5.6 Serial Bus Interface
The system will utilize PMBus for communication between itself and the power supply. The bus is to be compatible with both SMBus 2.0‘high power’ and I2C. The bus will be 3.3V. A voltage shifting circuit may be needed to accomplish this. Except where specifically called out, there will be no pull-ups in the power supply. The pull-ups will be provided external to the power supply via 4.7K~10Kohm in the host system.
5.6.1 Address (ADDR)
The PMbus device address locations are shown below.
5.6.2 SCL and SDA
SCL and SDA comprise a bi-directional serial data bus used to communicate
between the SMBus devices with-in the power supply and the host system.
The host system has pull-ups on these signals; the power supply must not.
Redundant Operation
The power supply may be used in a system with up to one additional, redundant, power supplies. The load is shared between the power supplies that are ORed together. When two supplies are ORed together, they may be used in 1+1 configuration.
SAFETY AND EMS REQUIREMENTS
7.1 Safety requirements
7.1.1 UL/cUL UL62368-1, 3rd Edition
7.1.2 TUV EN62368-1, 3rd Edition
7.1.3 CB IEC62368-1, 3rd Edition
7.2 EMC requirements
EN55032 / EN55035 requirements
7.2.1 EMI Requirements
7.2.1.1 Meet FCC part 15 class A.
7.2.1.2 Meet EN55032 class A.
7.2.2 Electrostatic Discharge Immunity Test (ESD)
Meet IEC61000-4-2 level 4, Criteria A for contact +/- 8KV and air +/-15KV.
7.2.3 Radio Frequency Electromagnetic Field Immunity Test (RS)
Meet IEC61000-4-3 level 3, Criteria A for 80~1000MHz, 10V/m.
7.2.4 Electrical Fast Transient/Burst Immunity Test (EFT/BURST)
Meet IEC61000-4-4 level 3, Criteria A for L to N 2KV
7.2.5 Surge Immunity Test
Meet IEC61000-4-5 level 3, L to N 1KV, line to Earth 2KV, Criteria A.
7.2.6 Conducted Disturbances Induced by Radio-Frequency Field Immunity Test
Meet IEC61000-4-6 level 3, Criterion A for 0.15~80MHz, 10V/m.
7.2.7 Power Frequency Magnetic Field Immunity Test
Meet IEC61000-4-8 level 3, Criterion A for 50Hz, 10A/m.
7.2.8 Voltage Dips and Voltage Interruptions Immunity Test
Meet IEC61000-4-11
Criterion B for 0% residual 0.5 cycle at 50Hz.
Criterion C for 70% residual 25/30 cycles at 50Hz/60Hz.
Criterion C for 0% residual 250/300 cycles at 50Hz/60Hz.
7.2.9 Suppression of Harmonics Test
Meet EN 61000-3-2 Class A.
7.2.10 Voltage Fluctuations Test
Meet EN 61000-3-3
7.2.11 Dielectric Strength Test
Each unit must pass a 1.8KV (AC) between line and ground (FG) hi-pot test for a minimum of 3 second without failure, current limit 10mA.
7.2.12 Touch Current Test
AC input 264V/63Hz, touch current should not exceed 3.5mA.
7.2.13 Insulation Resistance Test
Line to ground/chassis, input DC 500V,3 seconds >20MΩ at 25°C and relative humidity 70% of reference.
Environment
8.1. Temperature
8.1.1 Operation temperature of the supply will be between 0°Cto 45°C
8.1.2 Storage temperature of the supply will be -40°C to +80°C.
8.2. Humidity
8.2.1 Operation relative humidity of the supply will be between 10% and 90%
(non-condensing).
8.2.2 Storage relative humidity of the supply will be between 5% and 95% (non-
condensing).
8.3.1 The maximum operation altitude of the supply is 5000 meter.
(The ambient operating temperature decreases by 1°C for every 305m increase in
altitude.)
8.3.2 The maximum storage altitude of the supply is 15000 meter.
Reliability
9.1 MTBF
300,000 Hours at 230Vac/50HZ maximum load 25℃ condition. The failure rate shall be calculated with Telcordia SR-332 issue 4.
9.2 Vibration
9.2.1 Operating
2.94 , 10-500Hz, 10 minutes per cycle, 30 minutes for each X, Y and Z axis.
9.2.2 Non-operating 5.88 , 10-500Hz, 10 minutes per cycle, 30 minutes for each
X, Y and Z axis.
9.3 Shock
Non-operating (package)：20G, half sin-wave, each per axis.
Dimension
The power supply dimension is 245mm (L) x 84.8mm (W) x 82mm (H). (Refer to outline drawing)
Serial Bus Commands
This feature only the power module (TG17-0800-01) support
11.1 PMBus
The power supply will provide the following access via PMBus protocol:
● Power supply status
● Input/output power metering
In the following sections, all operations, values and definitions are in
compliance with the PMBus specifications unless explicitly noted.
Only PMBus commands and bits explicitly identified in the tables under Section
13.2 are supported. Therefore, any attempt to write using these commands must
be handled as unsupported.
11.2 PMBus Command Summary
PMBus commands are one byte command codes. As below listing is power supply
can support of PMBus commands.
11.2.1 Read commands
The READ commands allow the host to read temperature, current, voltage, power
and energy parameters of the power supply.
PMBus direct format set m = 01h, R = 00h, b = 00h.
Accuracy
11.2.2 Capability and inventory reporting
The follow commands shall be supported for discovery of the power supplies
capabilities.
11.2.3 PAGE_PLUS_WRITE
The PAGE_PLUS_WRITE command is used to set the page within a device, send a
command, and send the data for the command in one packet.
11.2.4 PAGE_PLUS_READ
The PAGE_PLUS_READ command is used to set the page within a device, send a
command, and read the data returned by the command in one packet.
11.2.5 Coefficients
This command is used to retrieve the m, b and R coefficients needed by data in
the DIRECT format.
11.2.6 Status commands
Status information is binary. A value of 1 indicates a fault or warning event
has occurred and a value of 0 indicates that a fault or warning event has not
occurred.
When the power an exception occurs, will set the warning bit. Warning bit will
be automatically cleared when the anomalies remove.
The Status_Byte (78h) and Status_Word (79h) message content is described as
shown below.
The Status_Vout (7Ah) command returns one data byte with contents as below:
The Status_Iout (7Bh) command returns one data byte with contents as below:
The Status_Input (7Ch) command returns one data byte with contents as below:
Notes:
1.Input voltage sense in front of PSU.
The Status_Temperature (7Dh) command returns one data byte with contents as
below:
The Status_CML (7Eh) command returns one data byte with contents as below:
The Status_Fans (81h) command reports on the status of fans installed in position
11.3 Output Voltage Related Commands
11.3.1 FRU Data Format
The information to be contained in the FRU device is shown in the following
table.
Field replaceable unit data memory (Hex) show in below table:
POWER SUPPLY CONNECTOR OVERUSE DEFINITION
Power supply connector overuse definition
A single PCIe 8pin cable and connector’s maximum current rating is 12.5A,
which is 150W (+12V x 12.5A). So SilverStone’s warranty will not cover damages
or malfunction resulting from the use of a graphics card
or expansion card with a single PCIe 8pin connector that exceeds standard 225W
total power draw (150W from PCIe 8pin connector + 75W from PCIe motherboard
slot). Similarly, a graphics card or expansion card with dual PCIe 8pin
connectors that exceed 375W total power draw (300W from two PCIe 8pin
connectors + 75W from PCIe motherboard slot) will also not be covered under
warranty.
Peripheral (molex) or SATA connector’s maximum current rating is 5A, which is 60W (+12V x 5A) or 25W (+5V x 5A). Please ensure connected devices are operating under these limits. SilverStone’s warranty will not cover damages or malfunction resulting from usages exceeding these connectors and their associated cables.
24pin motherboard connector’s maximum current rating for its dual +12V metal pins are 5A each, which totals 120W (+12V x 5A x 2). Please ensure +12V drawing devices connected to the motherboard are operating under these limits. SilverStone’s warranty will not cover damages or malfunction resulting from usages exceeding these connectors and their associated cables.
This device complies with Part 15 of the FCC Rules.Operation is subject to the following two conditions:
- this device may not cause harmful interference, and
- this device must accept any interference received, including interference that may cause undesired operation.
the power supply is only suitable for Information Technology & Audio/Video equipment.
Model (safety certification) : SST-CS0800FCPT-A
Please refer to SilverStone website for latest specifications updates.
Silver Stone Technology Co.,Ltd
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SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
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