BQ55090QPA40

Technical S pecification BQ55090QPA40 35-55V Input I nput 9.6V Output 43A Current 2000Vdc Isolation Quar ter-brick DC Bus Conver ter T h e Bu s Qor ® B Q 5 5 0 9 0 Q P A 4 0 bu s c o n v e r t e r i s a n e x t - g e n e ra t ion , b oa r d- mou n ta b le , is ol at e d, fixed s wit ch ing fr equ en c y DC/DC con v erter th at u s es sy n ch ro nou s r ectifica tion to a ch iev e extrem ely high c on ver s ion eff icien cy . Th e po wer dis sipated b y the c onver ter is so l ow that a h eatsi nk i s no t r eq ui red , wh ich s aves co st, we ight, h eigh t, a nd a pp l ica tion e ffor t. T he B us Q or ser ies pr ov id es an is ola t ed st ep d own v ol t a ge f ro m 48 V t o a 9.6 V in te rmed i a t e b us w i t h n o r eg u l a tio n in a s ta n da r d “q u ar t er- b ric k” m od ul e. Bu sQ o r con ver ter s a re ide al for cr ea ting t h e mid -b u s v ol tage req u ire d t o d r iv e p oin t- of -l oa d (no n- is ol at ed ) co nv er t er s in in t er med ia te bus architectures. RoHS compliant (see page 12 ). Operational Features • Ultra-high efficiency, 96.5% at 40A • Delivers up to 43 amps of output current with minimal derating - no heatsink required • Input voltage range: 35V – 55V provides 6.5-11V bus for distributed power architectures • Fixed frequency switching provides predictable EMI performance Bus Conver ter BQ55090QPA40 Module Pr otection Features • Input under-voltage lockout and over-voltage shutdown protects against abnormal input voltages • Output current limit and short circuit protection • Thermal shutdown Mechanical Features • Industry standard quarter-brick bus converter pin-out • Industry standard size: 1.45” x 2.3” (36.8x58.4mm) • Total height only 0.467” (11.86mm), permits better airflow and smaller card pitch • Total weight: 1.5 oz. (42 grams) • Flanged pins designed to permit surface mount soldering (avoid wave solder) using FPiP technique Safety Features • 2000V, 30 MW input-to-output isolation • UL/cUL 60950-1 recognized (US & Canada), basic insulation rating • TUV certified to EN60950-1 • Meets 72/23/EEC and 93/68/EEC directives • Meets UL94V-0 flammability requirements Contr ol Features • On/Off control referenced to input side (positive and negative logic options available) • Inherent current share (by droop method) for high current and parallel applications. Product # BQ55090QPA40 Phone 1-888-567-9596 www.synqor.com Doc.# 005-2BQ559K Rev. A 3/6/07 Page 1 Technical Specification MECHANICAL DIAGRAM 0.14 (3.6) Input: Output: Current: Package: 35-55 V 9.6 V 43 A Quarter-brick 2.30 (58.4) 2.00 (50.8) 1 5 Top View 2 3 0.600 (15.24) 1.45 (36.8) 4 0.300 (7.62) 0.600 0.43 (10.9) (15.24) 0.467 +0.020 (11.86 +0.5) 0.145 (3.68) See Note 3 Side View Load Board Lowest Component 0.063 +0.020 Flanged Pin See Note 10 (1.6 +0.5) Bottom side Clearance See Note 9 NOTES 1) Pins 1-3 are 0.040” (1.02mm) diameter with 0.080” (2.03 mm) diameter standoff shoulders. 2) Pins 4 and 5 are 0.062” (1.57 mm) diameter with 0.100” (2.54 mm) diameter standoff shoulders. 3) Other pin extension lengths available. Recommended pin length is 0.03” (0.76mm) greater than the PCB thickness. 4) All Pins: Material - Copper Alloy Finish - Matte Tin over Nickel plate 5) Undimensioned components are shown for visual reference only. 6) All dimensions in inches (mm) Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm) 7) Weight: 1.5 oz. (42 g) typical 8) Workmanship: Meets or exceeds IPC-A-610C Class II 9) UL/TUV standards require a clearance of 0.04” (1.02mm) around primary areas of the module. Refer to section on Keep Out Areas under Application Considerations for details. 10) The flanged pins are designed to permit surface mount soldering (allowing to avoid the wave soldering process) through the use of the flanged pin-in-paste technique. Product # BQ55090QPA40 Phone 1-888-567-9596 PIN DESIGNATIONS Pin No. 1 2 3 4 5 Name Vin(+) ON/OFF Vin(-) Vout(-) Vout(+) Function Input Positive (35V - 55V) Logic control input to turn converter on and off. Input Negative Output Negative Output Positive www.synqor.com Doc.# 005-2BQ559K Rev. A 3/6/07 Page 2 Technical Specification BQ55090QPA40 ELECTRICAL CHARACTERISTICS Parameter ABSOLUTE MAXIMUM RATINGS Input: Output: Current: Package: 35-55 V 9.6 V 43 A Quarter-brick TA=25°C, airflow rate=300 LFM, Vin=48Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C ambient temperature with appropriate power derating. Specifications subject to change without notice. Min. Typ. Max. 60 55 2000 100 125 18 48 55 34 31 4 59.5 58 7.0 7 140 0.22\11 47 9.6 42\4.0 5.2\500 2\200 6.5 50 12 50 5 +10 10 14 200 100 3 0 96.5 97.0 125 125 125 2000 30 250 5 11.0 100 43 Units V V V °C °C V V V V V V V A A mA A 2s mA mA A µH\µF µF V %\V %\mV %\mV V mV mV A A V % mA µF dB mV µs µs ms % % % °C °C °C V MW Notes & Conditions Continuous Continuous Basic insulation, Pollution Degree 2 Input Voltage Non-Operating Operating Isolation Voltage (input to output) Operating Temperature Storage Temperature Voltage at ON/OFF input pin Operating Input Voltage Range Input Under-Voltage Lockout Turn-On Voltage Threshold Turn-Off Voltage Threshold Lockout Voltage Hysteresis Input Over-Voltage Shutdown Turn-Off Voltage Threshold Turn-On Voltage Threshold Maximum Input Current No-Load Input Current Disabled Input Current Inrush Current Transient Rating Input Reflected Ripple Current Input Terminal Ripple Current Recommended Input Fuse Input Filter Component Values (L\C) Recommended External Input Capacitance -40 -55 -2 35 30 29 2 58.5 57 INPUT CHARACTERISTICS 9.5 0.13 15 0.01 10 20 100% Load, 35 Vin RMS through 10µH inductor; Figure 14 RMS; Figure 13 Fast blow external fuse recommended Internal values Typical ESR 0.1-0.2W, 48Vin, no load OUTPUT CHARACTERISTICS Output Voltage Set Point Output Voltage Regulation Over Line Over Load Over Temperature Total Output Voltage Range Output Voltage Ripple and Noise Peak-to-Peak RMS Operating Output Current Range Output DC Current-Limit Inception Output DC Current-Limit Shutdown Voltage Current Share Accuracy (3 units paralleled) Back-Drive Current Limit while Disabled Maximum Output Capacitance Input Voltage Ripple Rejection Output Voltage during Load Current Transient For a Step Change in Output Current (0.1A/µs) Settling Time Turn-On Transient Turn-On Time (without output capacitance) Turn-On Time (with output capacitance) Output Voltage Overshoot 93% Load 50% Load Semiconductor Junction Temperature (see Note 1) Board Temperature Transformer Temperature Isolation Voltage (dielectric strength) Isolation Resistance 0 Over sample, line, load, temperature & life 20MHz bandwidth Full Load; see Figure 15 Full Load Subject to derating Above 50% of rated output current Negative current drawn from output 9.6Vout at 40A Resistive Load Figure 19 50%-75%-50% Iout max; Figure 11 To within 1% Vout nom Full load, Vout=90% nom., 0 output cap. Full load, Vout=90% nom., 3,000 µF cap. 3,000 µF load cap., Iout = 0A, Vin nom. Figure 1; 48Vin, 40A Figure 1 Package rated to 175°C Board rated to 165°C 4,000 DYNAMIC CHARACTERISTICS EFFICIENCY TEMPERATURE LIMITS FOR POWER DERATING CURVES ISOLATION CHARACTERISTICS 1. For normal operating conditions of 55°C ambient temperature and 200 LFM airflow. Device is designed to operate for a minimum of 72 hours, once per year under the following conditions: 70°C, 200 LFM airflow, 38Vin, 300W output power. Junction temperature during those conditions will exceed the listed specification. Product # BQ55090QPA40 Phone 1-888-567-9596 www.synqor.com Doc.# 005-2BQ559K Rev. A 3/6/07 Page 3 Technical Specification ELECTRICAL CHARACTERISTICS (Continued) Parameter P FEATURE CHARACTERISTICS Input: Output: Current: Package: 35-55 V 9.6 V 43 A Quarter-brick Min. 170 -1.0 2.4 2.4 -1.0 Typ. 200 Max. 230 0.8 18 18 0.8 Units kHz V V V V V kW °C °C Notes & Conditions Switching Frequency ON/OFF Control (Option P) Off-State Voltage On-State Voltage ON/OFF Control (Option N) Off-State Voltage On-State Voltage ON/OFF Control (Either Option) Pull-Up Voltage Pull-Up Resistance Over-Temperature Shutdown Over-Temperature Shutdown Restart Hysteresis Load Current Scale Factor Calculated MTBF (Telcordia) Calculated MTBF (MIL-217) Field Demonstrated MTBF 145 10 28 10 3333 4.8 3.3 Figures A & B Average PCB Temperature See App Note: Output Load Current Calc. 150 RELIABILITY CHARACTERISTICS 106 Hrs. TR-NWT-000332; 80% load,300LFM, 40oC Ta 106 Hrs. MIL-HDBK-217F; 80% load, 300LFM, 40oC Ta 106 Hrs. See our website for details STANDARDS COMPLIANCE Parameter P STANDARDS COMPLIANCE Notes File # E194341, Basic insulation & pollution degree 2 Certified by TUV Test on entire assembly; board & plastic components UL94V-0 compliant ESD test, 8kV - NP, 15kV air - NP (Normal Performance) Section 7 - electrical safety, Section 9 - bonding/grounding UL/cUL 60950-1 EN60950-1 72/23/EEC 93/68/EEC Needle Flame Test (IEC 695-2-2) IEC 61000-4-2 GR-1089-CORE • An external input fuse must always be used to meet these safety requirements. Contact SynQor for official safety certificates on new releases or download from the SynQor website. QUALIFICATION TESTING Parameter P QUALIFICATION TESTING # Units 32 5 5 10 5 5 5 15 pins Test Conditions 10-55Hz sweep, 0.060” total excursion,1 min./sweep, 120 sweeps for 3 axis Life Test Vibration Mechanical Shock Temperature Cycling Power/Thermal Cycling Design Marginality Humidity Solderability 95% rated Vin and load, units at derating point, 1000 hours 100g minimum, 2 drops in x and y axis, 1 drop in z axis -40°C to 100°C, unit temp. ramp 15°C/min., 500 cycles Toperating = min to max, Vin = min to max, full load, 100 cycles Tmin-10°C to Tmax+10°C, 5°C steps, Vin = min to max, 0-105% load 85°C, 85% RH, 1000 hours, 2 minutes on and 6 hours off MIL-STD-883, method 2003 • Extensive characterization testing of all SynQor products and manufacturing processes is performed to ensure that we supply robust, reliable product. Contact the factory for official product family qualification documents. OPTIONS SynQor provides various options for Logic Sense, Pin Length and Feature Set for this family of DC/DC converters. Please consult the last page of this specification sheet for information on available options. Product # BQ55090QPA40 Phone 1-888-567-9596 PATENTS SynQor is protected under various patents. Please consult the last page for further information. www.synqor.com Doc.# 005-2BQ559K Rev. A 3/6/07 Page 4 Technical Specification 100 20 18 95 16 Input: Output: Current: Package: 35-55 V 9.6 V 43 A Quarter-brick Power Dissipation (W) 35 Vin Efficiency (%) 90 14 12 10 8 6 4 2 0 35 Vin 48 Vin 55 Vin 85 80 75 48 Vin 55 Vin 70 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 35 40 Load Current (A) Load Current (A) Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25°C. Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25°C. 98 12 10 97 Output Voltage (V) 25 ºC 40 ºC 55 ºC Efficiency (%) 8 96 6 4 35V 2 48V 55V 0 95 94 100 200 300 400 0 5 10 15 20 25 30 35 40 Air Flow (LFM) Load Current (A) Figure 3: Efficiency at nominal output voltage and 60% rated power vs. airflow rate for ambient air temperatures of 25°C, 40°C, and 55°C (nominal input voltage). 45 40 35 30 Figure 4: Output voltage regulation vs. load current for minimum, nominal, and maximum input voltage at 25°C. Iout (A) 25 20 15 400 LFM (2.0 m/s) 10 5 0 25 40 55 70 85 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) Ambient Air Temperature (ºC) Semiconductor junction temperature is within 1°C of surface temperature Figure 5: Maximum output power derating curves vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM with air flowing from pin 3 to pin 1 (nominal input voltage). Product # BQ55090QPA40 Phone 1-888-567-9596 Figure 6: Thermal plot of converter at 43 amp load current (400W) with 55°C air flowing at the rate of 200 LFM. Air is flowing across the converter from pin 3 to pin 1 (nominal input voltage). Doc.# 005-2BQ559K Rev. A 3/6/07 Page 5 www.synqor.com Technical Specification 45 40 Input: Output: Current: Package: 35-55 V 9.6 V 43 A Quarter-brick Semiconductor junction temperature is within 1°C of surface temperature 35 30 Iout (A) 25 20 15 400 LFM (2.0 m/s) 10 5 0 25 40 55 70 85 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) Ambient Air Temperature (ºC) Figure 7: Maximum output power derating curves vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM with air flowing from output to input (nominal input voltage). Figure 8: Thermal plot of converter at 43 amp load current (400W) with 55°C air flowing at the rate of 200 LFM. Air is flowing across the converter from output to input (nominal input voltage). Figure 9: Turn-on transient at half load (resistive load) and 3mF output capacitance (2.0ms/div). Input voltage pre-applied. Channel 1: Vout (2V/div). Channel 2: ON/OFF input (2V/div). Figure 10: Turn-on transient at zero load and 3mF output capacitance (2.0ms/div). Input voltage pre-applied. Channel 1: Vout (2V/div). Channel 2: ON/OFF input (2V/div). See Fig. 14 source impedance 10 µH See Fig. 13 See Fig. 15 iS VSOURCE iC DC/DC Converter 1 µF VOUT 15 µF, 47 µF,