Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification SWITCHED MODE POWER SUPPLY SPECIFICATION Model Name:150W Revision: A Date: 2006.10.02 APPROVAL BY CHECKED BY DRAWE BY Page 1 of 16 Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification Contents 1. Introduction…………………………………………………………….……4 1.1 Scope……………………………………………………………….…….4 1.2 General Description………………………………………………….….4 2. Electrical……………………………………………………………………. 4 2.1 AC Input…………………………………………………..………………4 2.1.1 Input Over current Protection…………………………………....4 2.1.2 Inrush Current Limiting…………………………….……………..4 2.1.3 Withstand Voltage………………………………......…………….5 2.1.4 Catastrophic Failure Protection……………………….…………5 2.2 DC Output……………………………………………………….………..5 2.2.1 DC Voltage Regulation……………….…………………………..5 2.2.2 Output DC Current Ranges……….…………………………….. 6 2.2.3 Out Output Voltage Line Regulation. ………………..………….6 2.2.4 Cross Regulation…………………………………..………………7 2.2.5 Efficiency ……………………………………………….................7 2.2.6 Output Ripple/Noise……………………………………………….7 2.2.7 Output Transient Response…………...………………………….8 2.2.8 Capacitive Load ……………………………………………………8 2.2.9 Closed-loop Stability ………………………………………………8 2.2.10 Power Sequencing………………………………………………..8 2.2.11 Voltage Hold-up Time…………………………………..…………9 2.3 Timing / Housekeeping / Control…………………….…………………. 9 2.3.1 PWR_OK……………………………………….……………………9 2.3.2 PS_ON#…………………………………………………..…………10 2.3.3 +5VSB……………………..……………….……………….……….10 2.3.4 Power-on Time…………………………………...……………..…..10 2.3.5 Rise time………………………………………………………..……10 2.3.6 Overshoot at Turn-on / Turn-off…………………………..………..10 2.3.7 Reset after Shutdown……………………………………………….10 Page 2 of 16 Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification 2.4 Output Protection…………………………………………………………..11 2.4.1 Over voltage Protection………………………………...…..………11 2.4.2 Over Current Protection…..........……………………..……………11 2.4.3 Short-circuit Protection.....................................................…..…..11 3. Mechanical……………………………………………………..……………….12 3.1 Physical Dimension…………………………..…………………………….12 3.2 AC Connector. ………………………………..…………………………….12 3.3 DC Connector Pin Description…………………….……..………………..13 3.4 Fan Control Function (Optional)…………………………………………14 4. Environmental…………………………..………………………………………14 4.1 Environmental (Operating)…………………..……………………………..14 4.2 Environmental (Non-Operating)…………..……………………………….15 5. Electromagnetic Compatibility…………………………..…………………..15 5.1 EMI…………………………………………………..……………………….15 6. Reliability……………………………………………………………………..…15 6.1 Component Derating………………………………………..……………..15 6.2 Mean Time Between Failures(MTBF)…………………..………………..16 7. Safety / Agency Approval………………………………………..……………16 Page 3 of 16 Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification 1. Introduction 1.1 Scope This specification defines the performance and characteristic for the model of 150W power supply. 1.2 General Description 150W is a switching power supply, 150W self-contained, AC to DC power source supply suitable for mounting in PC, and IPC Chassis. 2. Electrical 2.1 AC Input Table 1 list AC input voltage and frequency requirements for continuous operation. The power supply is capable of supplying full-rated output power over tow input voltage ranges rated 95-132 VAC and 190-264 VAC rms nominal. The correct input range for use in a given environment may be either switch-selectable or auto ranging. The power supply is automatically recovered from AC power loss. Table 1. AC Input Line Requirements (1) Parameter Min. Nom. Max. Unit Vin (115 VAC) 95 115 132 VACrms Vin (230VAC) 190 230 264 VACrms Vin Frequency 47 --- 63 VACrms (1) Nominal voltages for test purposes are considered to be within ±1.0 V of nominal. 2.1.1 Input Over current Protection The power supply is incorporate primary fusing for input over current protection to prevent damage to the power supply and meet product safety requirements. 2.1.2 Inrush Current Limiting Maximum inrush current from power-on (with power on at any point on the AC sine) and including, but not limited to, three line cycles, shall be limited to a level below the surge rating of the input line cord, AC switch if present, bridge rectifier, fuse, and EMI filter components. Repetitive ON/OFF cycling of the AC input voltage should not damage the power supply or cause the input fuse to blow. Page 4 of 16 Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification 2.1.3 Withstand Voltage The power supply is capable of withstanding a maximum 2200 VDC potential between the input and ground for a period of 1 minute. 2.1.4 Catastrophic Failure Protection If a component failure occurs, the power supply will not exhibit any of the following: * Flame * Excessive smoke * Charred PCB * Fused PCB conductor * Startling noise * Emission of molten material 2.2 DC Output 2.2.1 DC Voltage Regulation The DC output voltages are remain within the regulation ranges shown in Table 2 when measured at the load end of the output connectors under all line, Load, and environmental conditions. Table 2. DC Input Line Requirements Output Range Min. Nom.(1) Max. Unit (1) +12VDC ± 5% +11.40 +12.00 +12.60 Volts +5VDC ± 5% +4.75 +5.00 +5.25 Volts +3.3VDC ± 5% +3.14 +3.30 +3.47 Volts -12VDC ± 10% -10.80 -12.00 -13.20 Volts +5VSB ± 5% +4.75 +5.00 +5.25 Volts (1) ATX +12VDC peak loading, regulation at the + 12Vdc output can go to±10%. Page 5 of 16 Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification 2.2.2 Output DC Current Ranges All outputs are within the specified limits of regulation when each output is subjected to the conditions listed below. Table 3. DC Input Line Requirements Parameter Min. Max. Unit +5V 0.3 15 A +12V 0.5 6 A +3.3V 0.3 8 A -12V 0.1 0.5 A -5V 0.1 0.3 A +5VSB 0.1 2 A Notes:(1) The maximum continuous total DC outputs power shall not exceed 150W. (2) The maximum continuous load on +5V and +3.3V outputs shall not exceed 75W. (3) The maximum combined current for the +12V output is 6A for 72W. (4) The maximum continuous load on +12V, +5V and 3.3V outputs have not exceeded 140W. (5) Peak current is limited to total duration of 10 seconds from the instance of PWROK driven true. The power supply is able to sustain maximum current for an unlimited after these initial 10 seconds. 2.2.3 Output Voltage Line Regulation The following table specifies line regulation as measured from minimum to maximum load including the transient response requirements as detailed in this document. Table 4. DC Output Tolerance Specifications DC Nominal Output Output Voltage Tolerance +12 VDC ±1% +5 VDC ±1% +3.3 VDC ±1% -12 VDC ±2% -5 VDC ±1% +5 VSB ±1% Page 6 of 16 Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification 2.2.4 Cross Regulation The power supply DC outputs perform within all line and load specifications Regardless of the static or transient loads on any of the outputs. 2.2.5 Efficiency 65% minimum at 115VAC, 150W output. 2.2.6 Output Ripple/Noise The output ripple/noise requirements listed in Table 5 should be met throughout the load ranges specified and under all input voltage conditions as specified. Ripple and noise are defined as periodic or random signals over a frequency band of 10 Hz to 20MHz. Measurements shall be made with an oscilloscope with 20 MHZ bandwidth. Outputs should be bypassed at the connector with a 0.1μF ceramic disk capacitor and a 10μF electrolytic capacitor to simulate system loading. See Figure1. Table 5. DC Output Ripple/Noise Max. Ripple Noise Output (mVpp) (mVpp) +12 VDC 120 240 +5 VDC 50 100 +3.3 VDC 50 100 -12 VDC 120 240 -5 VDC 50 100 +5 VSB 50 100 Figure1. Differential Noise Test Setup Power Supply V out Load must be AC Hot isolated from the 10μF 0.1μF Load V return AC Neutral ground of the power supply AC Ground General Notes: 1.Load the output with its minimum load current. 2.Connect the probes as shown. Scope 3.Repeat the measurement with maximum load on the output. Page 7 of 16 Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification 2.2.7 Output Transient Response Table 6 summarizes the expected output transient step sizes for each output. The transient load slew rate is = 1.0A/μs. Table 6. DC Output Ripple/Noise Max. step size Max. step size Output voltage Output (1) (% of rated output amps) (amps) (Tolerance) +12 VDC 50% - ± 5% +5 VDC 50% - ± 5% +3.3 VDC 30% - ± 5% -12 VDC - 0.1A ± 10% -5 VDC - 0.1A ± 10% +5 VSB - 0.1A ± 5% (1) For example, for a rated +5 VDC output of 30 A, the transient step would be 30%*30A =9A. 2.2.8 Capacitive Load The power supply is able to power up and operate normally with the following capacitances simultaneously present on the DC outputs. Table 7. Output Capacitive Loads ATX12V Output Capacitive load (µF) +12 VDC 1,000 +5 VDC 10,000 +3.3 VDC 6,000 -12 VDC 350 -5 VDC 350 +5 VSB 350 2.2.9 Closed-loop Stability The power supply is unconditionally stable under all line/load/transient loads Conditions including capacitive loads specified in Table 7. A minimum of 45 degrees phase margin and 10 dB gain margin is recommended at both the maximum and minimum loads. 2.2.10 Power Sequencing All outputs, regardless of loading, turn on within 50ms of each other. The +5VSB output is in regulation for a minimum of 10ms prior to the other output rails reaching regulation. Page 8 of 16 Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification 2.2.11 Voltage Hold-up Time The power supply would maintain output regulation despite a loss of input power at the low-end nominal range-115VAC/60Hz or 230 VAC/50Hz-at Maximum continuous output load as applicable for a minimum of 16 ms. 2.3 Timing / Housekeeping / Control T5 T1 VAC_ON ~ VAC_OFF PS_OFF# PS_ON# ~ T2 +12VDC ~ 95% +5VDC O/P’s 10% +3.3VDC T3 ~ PWR_OK T4 T6 PWR_OK Sense Level=95% of nominal Figure 2. Power Supply Timing T1：Power-on Time T1 ＜ 100ms T2：Rise Time 0.1ms ≦ T2 ≦ 25ms T3：PWR_OK Delay 100ms ＜ T3 ＜ 500ms T4：PWR_OK Rise time T4 ≦ 10ms T5：AC Loss to PWR_OK Hold-up Time T5 ≧ 16ms T6：Power-down Warning T6 ≧ 1ms 2.3.1 PWR_OK The power supply accepts a logic collector level, which will disable/enable all the output voltages. As the logic level is low, output voltages are enabling, as the logic level is high, output voltages are disabling. The definition of logic low/high level is as: High Level: 2.50V ~ 5.25V while sourcing 0.4mA maximum Low Level: 0.0V ~ 0.50V while sinking 5.0mA maximum Rise Time: 3.0ms maximum (10.0% ~ 90.0%) Page 9 of 16 Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification 2.3.2 PS_ON# The power supply provides an internal pull-up to TTL high. The power supply also provides denounce circuitry on PS_ON# to prevent it from oscillating on/off at startup when activated by a mechanical switch. The DC output enable circuitry is SELV-complaint. Table 8. PS_ON# Signal Characteristics Min. Max. VIL, Input Low Voltage 0.0V 0.8V VIL, Input Low Current (Vin = 0.4 V) -1.6mA VIH, Input High Voltage (lin = -200 µA) 2.0V VIH, open circuit, lin = 0 5.25V 2.3.3 +5VSB The +5VSB is capable of delivering a maximum of 2.0A at +5V ±5% to external circuit. The power supply +5VSB is with over current protection. 2.3.4 Power-on Time The power-on time is less than 100ms (T1 < 100ms). The +5VSB has a power-on time of two seconds maximum after application of valid AC voltages. (Figure 1) 2.3.5 Rise time The output voltages rise from ≤ 10% of nominal to within the regulation ranges within 0.1ms to 25ms ( 0.1ms ≤ T2 ≤ 25ms). (Figure 2) 2.3.6 Overshoot at Turn-on / Turn-off Any overshoot at turn on or turn off is under 10% of the nominal DC output voltage with further stipulation that all DC outputs are within their specified DC voltage ranges before the generation of the power good signal. Additionally, no voltage may undershoot or overshoot once the power good signal has been asserted. 2.3.7 Reset after Shutdown The power supply latches into a shutdown state because of a fault condition on its outputs, the power supply returns to normal operating after the fault has been removed and the PS_ON# (or AC input) has been cycled OFF/ON with a minimum OFF time of 1 second. Page 10 of 16 Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification 2.4 Output Protection Each DC output is protected from over voltage, over current and short circuit. The following sections include the details for these protection mechanisms. 2.4.1 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. No single point fault is able to cause a sustained over voltage condition on any or all outputs. The power supply provides latch-mode over voltage protection as defined in Table 9. Table 9. Over voltage Protection Output Min. Nom.Max. Unit. +12 VDC 13.4 15.0 15.6 Volts +5 VDC 5.74 6.3 7.0 Volts +3.3 VDC 3.76 4.2 4.3 Volts 2.4.2 Over Current Protection The power supply DC outputs are protected from supplying output current above the maximum ratings defined in Table 1, and when output power is between 110%~150%. With the exception of the 5VSB output, all DC outputs are latched off in the event of an over-current event on any of the DC outputs. In the event of a short circuit on any output, except the 5VSB rail, all outputs are disabled and remain disabled until the power supply is powered off back on. The 5VSB rail will recover upon removal of the over current condition. 2.4.3 Short-circuit Protection The power supply DC outputs are protected from damage due to faults, when any output shorts to ground. In the event of a short circuit on any output, all outputs shall be disabled and remain disable until the power supply is powered off and back on. The 5VSB rail will recover upon removal of the over current condition. Page 11 of 16 Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification 3. Mechanical 3.1 Physical Dimension ATX 20PIN 4P 4P MOLEX 5557-20R or Equivalent MOLEX 8981-4P For M/B or Equivalent For FDD I/O SW. INLET 176mm FAN 40mm 40×40×20mm 85mm 3.2 AC Connector The AC input receptacle is an IEC 320 type or equivalent. In lieu of a dedicated switch, the IEC 320 receptacle may be considered the mains disconnect. Page 12 of 16 15P Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification 3.3 DC Connector Pin Description PinColor Signal Pin Color Signal Orange +3.3VDC 1 Orange +3.3VDC 13 Brown +3.3V default sense 2 Orange +3.3VDC 14 Blue -12VDC 3 Black COM 15 Black COM 4 Red +5VDC 16 Green PS_ON/OFF 5 Black COM 17 Black COM 6 Red +5VDC 18 Black COM 7 Black COM 19 Black COM 8 Gray PWR_OK 20 White -5VDC 9 Purple +5VSB 21 Red +5VDC 10 Yellow +12VDC 22 Red +5VDC 11 Yellow +12VDC 23 Red +5VDC 12 Orange +3.3VDC 24 Black COM 4 3 2 1 Pin Color Signal Pin Color Signal 1 Black COM 5 Yellow +12VDC 2 Black COM 6 Yellow +12VDC 3 Black COM 7 Yellow +12VDC 8 7 6 5 4 Black COM 8 Yellow +12VDC 15 Pincolor Wire Size Signal 2 BL UL1007#18AWG GND 3 Red UL1007#18AWG +5V 4 1 BL UL1007#18AWG GND 5 YL UL1007#18AWG +12V 1 Pin Color Signal Pin Color Signal 2 1 Red +5VDC 3 Black COM 2 Black COM 4 Yellow +12VDC 3 4 1 Pin Color Signal Pin Color Signal 2 1 Red +5VDC 3 Black COM 3 2 Black COM 4 Yellow +12VDC 4 Page 13 of 16 Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification 3.4 Fan Control Function (Optional) In order to prolong the fan’s life cycle, the power supply is facilitated with a thermostatic circuitry to monitor the fan speed under the power supply operating temperature. 4. Environmental 4.1 Environmental (Operating) Temperature: 0℃ to 50℃ Humidity: 20% to 80% Relative Humidity (non condensing) Altitude: -61meters to +3,048 meters Shock: T.B.S. Vibration: T.B.S. 4.2 Environmental (Non-Operating) Temperature: -25℃ to 85℃ Humidity: 10% to 90% Relative Humidity (non condensing) Altitude: -61meters to +15,244 meters Shock: T.B.S. Vibration: T.B.S. Page 14 of 16 Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification 5. Electromagnetic Compatibility The following subsections outline sample product regulations requirements for a typical Power supply. Actual requirements will depend on the design, product end use, target Geography, and other variables. Consult your company’s Product Safety and Regulations Department for more details. 5.1 EMI The power supply is complied with CISPR 22, Class B. Tests are performed at 110VAC 50Hz, 120VAC 60Hz, and 220VAC 50 Hz power. The TG900-U95 version meets the requirement of EN 61000-3-2 Class D, and EN 61000-3-3, and the Guidelines for the Suppression of Harmonics in Appliances and General Use Equipment Class D for harmonic line current content at full-rated power. 6. Reliability 6.1 Component Derating The following component derating guedelines are recommended: ‧Semiconductor junction temperatrues shall not exceed 110℃ with an ambient of 50℃. ‧Inductor case temperature shall not exceed safety agency requirements. ‧Capacitor case temperature shall not exceed 95% of rated temperature. ‧Component voltage and current derating shall be >10% at 50℃. ‧Magnetic saturation of any transformer will not be allowed under any line, load, startup or transient condition including 100% transients on the five main outputs or +5VSB. 6.2 Mean Time Between Failures(MTBF) The MTBF of the power supply can be calculated with the Part-Stress Analysis method of MIL-HDBK-217F using the quality factors listed in MIL-HDBK-217F. A target calculated MTBF of the power supply is greater than 100,000 hours under the following conditions: ‧Full-rated load ‧120 VAC input ‧Ground benign ‧25℃ ambient A target calculated MTBF of the power supply is greater than 30,000 hours under the following conditions: ‧Full-rated load ‧120 VAC input ‧Ground benign ‧50℃ ambient Page 15 of 16 Topower Computer Ind.Co.,Ltd. 150W Power Supply Specification 7. Safety / Agency Approval CUL 1950 TUV EN60950 CE EN 61000-3-2/1995, EN 61000-3-3/1995 EN 55024/1998, EN 5022/1994+A1: 1995+A2: 1997 FCC Part 15, Subpart B, Class B CISPR 22: 1993+A1: 1995+A2: 1996, Class B ANSI C63.4-1992 Page 16 of 16