SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power Supply User Guide

June 15, 2024
SilverStone

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power Supply User Guide

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

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Input voltage

Input current

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - 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

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - 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

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - 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.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Ripple and Noise 2

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.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Dynamic Loads

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.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Load Capacitance

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.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Over Current Protection

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.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Over Voltage Protection

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

  1. Remove the damaged power.
  2. 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.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - LED Indicator

Sequencing and Signals

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - 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:

  1. The PS ON signal is active low
  2. The +12V, +5V and +3.3V outputs is above its under voltage threshold and below its over voltage threshold
  3. The load is below the over current threshold
  4. 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.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - The electrical and timing characteristics of the PWOK signal are
given in below

  1. For test purposes, the PWOK signal shall be terminated at the output power supply connector with a 0.01uF ceramic capacitor.
  2. 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.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - PS ON Signal on off Control

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.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Address \(ADDR\)

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

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Serial Bus Commands

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.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Read commands

PMBus direct format set m = 01h, R = 00h, b = 00h.

Accuracy

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Accuracy

11.2.2 Capability and inventory reporting
The follow commands shall be supported for discovery of the power supplies capabilities.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Capability and inventory reporting

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.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Coefficients

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.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Status commands

The Status_Vout (7Ah) command returns one data byte with contents as below:

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - 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:

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - 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:

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - 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:

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - The Status_Temperature \(7Dh\) command returns one data
byte

The Status_CML (7Eh) command returns one data byte with contents as below:

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - The Status_CML \(7Eh\) command returns

The Status_Fans (81h) command reports on the status of fans installed in position

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - The Status_Fans \(81h\) command reports on the status of fans
installed

11.3 Output Voltage Related Commands

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - 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.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - FRU Data Format

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - FRU Data Format 2

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - FRU Data Format 3

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - FRU Data Format 4

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - FRU Data Format 5

Field replaceable unit data memory (Hex) show in below table:

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Field replaceable unit data memory \(Hex\) show in below
table

POWER SUPPLY CONNECTOR OVERUSE DEFINITION

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - 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.

SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power
Supply - Openings that do not exceed 5mm in any
dimension

This device complies with Part 15 of the FCC Rules.Operation is subject to the following two conditions:

  1. this device may not cause harmful interference, and
  2. 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

www.silverstonetek.com

support@silverstonetek.com

Documents / Resources

| SILVERSTONE SST-GM800C-PF 80 Plus Platinum 800W 2U CRPS Redundant Power Supply [pdf] User Guide
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