PRELIMINARY V•I Chip Intermediate Bus Converter IBC V•I Chip – VIC-in-a-Brick TM • Up to 600 W Intermediate Bus Converters Quarter-Brick, 48 Vin Family 1.5 to 48 Vdc Bus Voltages; 100 A - 600 W Output • 94% Efficiency @ 3 Vdc • 600 W @ 55ºC, 400 LFM • 125°C operating temperature • 400 W/in3 power density • 38-55 Vdc input range • 100 V input surge for 100 ms © • SAC topology • Low noise ZCS/ZVS architecture • 3.5 MHz switching frequency • Fast dynamic response • 2,250 Vdc basic insulation • Parallelable, with faul tolerance Product Description Absolute Maximum Ratings These "VIC-in-a-Brick" Intermediate Bus Converter (IBC) modules use Vicor’s V•I Chip Bus Converter Modules (BCM) to achieve the highest performance for Intermediate Bus Architecture applications. Operating from a 38 – 55 Vdc input, ten different fixed ratio outputs are available from 3 to 48 Vdc. You can choose the intermediate bus voltage that is optimal for your system and load requirements. These quarter-bricks are available with a single BCM, rated up to 300 W or 70 A, or with dual BCMs, capable of 600 W or 100 A. Dual output pins are used for output currents over 50 A. Utilizing breakthrough Sine Amplitude Converter (SAC) technology, BCMs offer the highest efficiency, lowest noise, fastest transient response and highest power density. And full load power is available at 55ºC with only 200 LFM of air for single BCM versions and 400 LFM for dual BCM versions, without a heat sink. vicorpower.com Parameter Values Unit -1.0 to 60 Vdc 100 Vdc -0.3 to 7.0 Vdc Notes +In to -In voltage Continuous Surge ON/OFF to -In voltage Isolation voltage Basic insulation Input to output 2,250 Vdc In/Out to heat sink 1,500 Vdc -40 to 125 °C Operating temperature <100ms Junction Pin soldering temperature Wave 500 (260) °F (°C) <5 sec Hand 750 (390) °F (°C) <7 sec Thermal Resistance and Capacity Parameter Typ Unit VIC to ambient; 0 LFM (Single BCM) 13.3 °C/W VIC to ambient; 0 LFM (Dual BCM) 11.7 °C/W VIC to ambient; 200 LFM (Single BCM) 6.1 °C/W VIC to ambient; 200 LFM (Dual BCM) 4.3 °C/W Thermal capacity (Single BCM) 14.3 Ws/°C Thermal capacity (Dual BCM) 22.8 Ws/°C 800-735-6200 V•I Chip Intermediate Bus Converter Rev. 1.5 Page 1 of 8 PRELIMINARY General Specifications V•I Chip Intermediate Bus Converter Part Numbering I 048 C 030 T 015 P 2 Format I = IBC Nominal Input Voltage C = 1/4 Brick Nominal Output Voltage (x10) Product Grade T= -40 to 125°C Output Power (x 0.1) Enable Polarity P=”+” M=”–” (see note 3) Package Style (See pg 7) Product Matrix Output Voltage (1) 1.5 Full Load Output (2) Watts Amps 135 90 150 3.0 210 300 4.0 6.0 8.0 9.6 12 16 24 32 48 50 * 70 100 ** Bus Converter Model Number (2) Number of BCMs I048C015T014P2 1 I048C030T015P1 1 I048C030T021P2 1 I048C030T030P2 2 200 50 I048C040T020P1 1 400 100 I048C040T040P2 2 240 40 I048C060T024P1 1 480 80 I048C060T048P2 2 240 30 I048C080T024P1 1 480 60 I048C080T048P2 2 240 25 I048C096T024P1 1 480 50 I048C096T048P1 2 300 25 I048C120T030P1 1 600 50 I048C120T060P1 2 240 15.0 I048C160T024P1 1 480 30.0 I048C160T048P1 2 240 10.0 I048C240T024P1 1 480 20.0 I048C240T048P1 2 300 9.4 I048C320T030P1 1 600 18.7 I048C320T060P1 2 300 6.3 I048C480T030P1 1 600 12.5 I048C480T060P1 2 K Factor (Transformation Ratio) 1/32 1/16 1/12 1/8 1/5 1/4 Full Load Efficiency (%) ROUT (mΩ) 92.0 1.0 100,000 µF 94.5 2.0 31,000 µF Max Load Capacitance (4) 94.1 2.0 31,000 µF 94.3 1.0 62,000 µF 93.7 3.0 17,000 µF 93.5 1.5 34,000 µF 7.5 7,600 µF 3.8 15,200 µF 95.8 8.3 4,300 µF 95.8 4.2 8,600 µF 94.8 96.3 10.0 3,000 µF 5.1 6,000 µF 96.0 14.0 1,000 µF 96.0 7.0 2,000 µF 1/3 95.7 1/2 95.0 2/3 95.0 1 96.3 30.0 900 µF 15.0 1,800 µF 60.0 470 µF 30.0 940 µF 99.0 200 µF 48.0 400 µF 190.0 100 µF 95.0 200 µF * Full load capability is actually 70 A at 3 V. The maximum rating of the output pins is 50 A. ** Full load capability is actually 140 A at 3 V. The maximum rating of the output pins is 100 A. Notes: (1) Output voltage at 48 Vdc input, no load and 25°C temperature. (2) Maximum power and current ratings should not be exceeded under normal operating conditions. (3) The ending "P" indicates positive enable logic (pull PC pin low to disable). Change to "M" to indicate negative logic (pull PC pin low to enable). (4) Exceeding this value can cause the unit not to turn on into load. vicorpower.com 800-735-6200 V•I Chip Intermediate Bus Converter Rev. 1.5 Page 2 of 8 PRELIMINARY Electrical Specifications V•I Chip Intermediate Bus Converter For comprehensive data on any of the configurations, please refer to the data sheet for the BCM with output voltage (K Factor) of the Intermediate Bus Converter of interest. Data sheets are available from our website at vicorpower.com. Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and case temperature, unless otherwise specified. Input Specifications Parameter Operating input voltage Min Typ Max Unit 38 48 55 Vdc 100 Vdc 38 Vdc Input surge withstand Notes <100 ms Undervoltage Turn-on 36.1 Turn-off 32.6 33.8 Vdc Overvoltage Turn-off 55.0 Vdc Turn-on 59 Input reflected ripple current 3 Input dV/dt Vdc % Iin 10 mA p-p with recommended external input capacitor V/µs Turn-on time Power up PC enable No load power dissipation Recommended external input capacitance 300 ms 50 µs 2.5 W per BCM 10 50 µF 200 nH maximum source inductance Min Typ ±2 Output Specifications Parameter Output voltage accuracy Peak repetitive output current Current limit Average short circuit current Efficiency Output OVP setpoint Line regulation Load regulation Temperature regulation Ripple and noise, p-p Switching frequency Power sharing accuracy Transient response Voltage deviation Response time Recovery time Max 150 125 200 96.0 120 Unit % % % mA % % Notes 48 V input; no load; 25°C <1 ms; see Note 2 below See Note 1 below 48 Vin; full load; 25°C Fixed ratio; Vout = Vin•K (see product matrix) ∆Vout = ∆Iout•Rout (see product matrix) ±0.05 100 3.5 ±5 ±10 2 200 1 % / °C mV MHz % 48 Vin; full load; 20 MHz bandwidth Fixed 10 to 100% load No load - full load step change, see Note 2 below % ns µs Note (1) Current limit parameter does not apply for all models. Please see product matrix on Page 2 for exceptions. (2) For important information relative to applications where the unit is subjected to continuous dynamic loading, contact Vicor applications engineering at 800-927-9474. vicorpower.com 800-735-6200 V•I Chip Intermediate Bus Converter Rev. 1.5 Page 3 of 8 PRELIMINARY Electrical Specifications V•I Chip Intermediate Bus Converter (continued) Safety Specification Parameter Min Typ Max Unit Isolation voltage Notes Complies with basic insulation requirements Input to output 2,250 Vdc In/Out to chassis 1,500 Vdc Isolation resistance 10 MΩ Agency approvals (pending) cTÜVus CE Mark Input to output UL/CSA 60950, EN 60950 Low voltage directive Thremal Specifications Parameter Min Max Unit Operating junction temperature -40 Typ +125 °C Storage temperature -40 +150 °C Temperature limiting 125 135 °C 130 Notes Junction temperature Thermal capacity 1 BCM 14.3 Ws/°C 2 BCM 22.8 Ws/°C Pin soldering temperature Wave 500 (260) °F (°C) <5 sec Hand 750 (390) °F (°C) <7 sec Max Unit Notes General Specifications Parameter Min Typ MTBF MIL-HDBK-217F 3,600 Khrs 25°C, GB; per BCM Telcordia TR-NT-000332 4,200 Khrs per BCM 3.7 (104) oz (g) Weight Dimensions 2.3 x 1.45 x 0.47 in LxWxH 58,4 x 36,8 x 11,9 mm LxWxH Notes Control Specifications – Primary Control (PC Pin) Parameter Min Typ Max Unit Voltage (P version) 4.8 5.0 5.2 Vdc Disable voltage (P version) 2.4 Enable voltage (P version) Enable voltage (M version) 1.2 Disable voltage (M version) Current limit (P version) 2.5 2.5 2.4 vicorpower.com Vdc 2.6 1.5 Vdc Vdc 1.5 3.5 Vdc 2.5 2.9 mA 800-735-6200 Source only V•I Chip Intermediate Bus Converter Rev. 1.5 Page 4 of 8 PRELIMINARY Pin/Control Function V•I Chip Intermediate Bus Converter +IN / -IN DC Voltage Input Pins Alarm The "VIC-in-a-Brick" Intermediate Bus Converter (IBC) input voltage range should not be exceeded. The V•I Chip BCM’s internal under/over voltage lockout-function prevents operation outside of the normal input range. The BCM turns ON within an input voltage window bounded by the "Input under-voltage turn-on" and "Input over-voltage turn-off" levels, as specified. The IBC may be protected against accidental application of a reverse input voltage by the addition of a rectifier in series with the positive input, or a reverse rectifier in shunt with the positive input located on the load side of the input fuse. The BCM contains watchdog circuitry that monitors output overload, input over voltage or under voltage, and internal junction temperatures. In response to an abnormal condition in any of the monitored parameters, the PC pin will toggle. (P version only) Input Impedance Vicor recommends a minimum of 10 µF bypass capacitance be used on-board across the +IN and –IN pins. The type of capacitor used should have a low Q with some inherent ESR such as an electrolytic capacitor. If ceramic capacitance is required for space or MTBF purposes, it should be damped with approximately 0.3 Ω series resistance. Anomalies in the response of the source will appear at the output of the IBC multiplied by its K factor. The DC resistance of the source should be kept as low as possible to minimize voltage deviations. This is especially important if the IBC is operated near low or high line as the over/under voltage detection circuitry of the BCM(s) could be activated. +OUT / – OUT — DC Voltage Output Pins The 0.062" diameter + and – output pins are rated for a maximum current of 50 A. Two sets of pins are provided for all units with a current rating over 50 A. These pins must be connected in parallel with minimal interconnect resistance. Within the specified operating range, the average output voltage is defined by the Level 1 DC behavioral model of the on board BCM(s) as defined in the appropriate BCM data sheet. Output Impedance The very low output impedance of the IBC, as shown in the Product Matrix table, reduces or eliminates the need for limited life aluminum electrolytic or tantalum capacitors at the input of the non-isolated point-of-load converters. Load Capacitance ON/OFF – Primary Control The Primary Control pin is a multifunction node that provides the following functions: Enable/Disable Standard "P" configuration — If the PC pin is left floating, the BCM output is enabled. Once this port is pulled lower than 2.4 Vdc with respect to –IN, the output is disabled. This action can be realized by employing a relay, opto-coupler or open collector transistor. This port should not be toggled at a rate higher than 1 Hz. Optional "M" configuration — This is the reverse function as above: when the PC pin is left floating , the BCM output is disabled. Total load capacitance at the output of the IBC should not exceed the specified maximum as shown in the Product Matrix table. Owing to the wide bandwidth and low output impedance of the BCM, low frequency bypass capacitance and significant energy storage may be more densely and efficiently provided by adding capacitance at the input of the IBC. Bi-directional Operation The BCM power train and control architecture allow bi-directional power transfer, including reverse power processing from the BCM output to its input. Reverse power transfer is enabled if the BCM input is within its operating range and the BCM is otherwise enabled. The BCM’s ability to process power in reverse significantly improves the IBC transient response to an output load dump. Primary Auxiliary Supply The PC pin can source up to 2.4 mA at 5.0 Vdc. (P version only) Thermal Management Figures 2 to 5 provide the IBC’s maximum ambient operating temperature vs. BCM power dissipation for a variety of airflows. In order to determine the maximum ambient environment for a given application, the following procedure should be used: 1. Determine the maximum load powered by the IBC. 2. Determine the power dissipated at this load by the on-board BCM(s). a) If using a 1 BCM configuration, this dissipation is found in Fig. 6 on the appropriate BCM data sheet corresponding to the output voltage of the IBC. 3. Determine the airflow orientation from Fig.1. 4. Using the chart corresponding to the appropriate airflow angle, find the curve corresponding to the airflow velocity and read the maximum ambient operating temperature of the IBC (y-axis) based on the total BCM power dissipation (x-axis). For additional information on V•I Chip thermal design, please read the "Thermal Management" section of the BCM data sheet. b) If using a 2 BCM configuration, divide the maximum load by two. The power dissipated by each BCM is found in Fig. 6 on the appropriate BCM data sheet corresponding to the output voltage of the IBC. This number should then be multiplied by two to reflect the total dissipation. vicorpower.com 800-735-6200 V•I Chip Intermediate Bus Converter Rev. 1.5 Page 5 of 8 PRELIMINARY Thermal Management V•I Chip Intermediate Bus Converter (continued) ™ BCM 0 degree airflow BCM ™ 90 degree airflow 130 120 110 100 90 1000LFM 850LFM 80 70 600LFM 500LFM 400LFM 60 50 300LFM 40 200LFM 30 20 100LFM 10 0 1 2 3 4 5 6 7 8 9 10 11 Maximum Operating Ambient Temperature (C) Maximum Operating Ambient Temperature (C) Figure 1— 0 and 90 degree airflow orientations for one or two BCM configurations 130 120 110 100 80 60 600LFM 500LFM 400LFM 300LFM 50 200LFM 70 40 20 10 0 1 Power Dissipation (W) Max. Operating Ambient (C) 120 110 100 90 80 70 1000LFM 850LFM 60 50 40 600LFM 30 500LFM 20 400LFM 10 0 100LFM 200LFM 300LFM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Power Dissipation (W) 3 4 5 6 7 8 Power Dissipation (W) 9 10 11 12 130 120 110 100 90 1000LFM 850LFM 80 70 60 600LFM 500LFM 50 400LFM 40 300LFM 30 200LFM 20 10 100LFM 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Power Dissipation (W) Figure 4— Maximum operating ambient temp. curves for 2 BCM with 0 degree airflow vicorpower.com 2 Figure 3— Maximum operating ambient temp. curves for 1 BCM with 90 degree airflow Maximum Ambient Operating Temperature 130 100LFM 30 12 Figure 2— Maximum operating ambient temp. curves for 1 BCM with 0 degree airflow 1000LFM 850LFM 90 800-735-6200 Figure 5— Maximum operating ambient temp. curves for 2 BCM with 90 degree airflow V•I Chip Intermediate Bus Converter Rev. 1.5 Page 6 of 8 PRELIMINARY Pin/Control Functions V•I Chip Intermediate Bus Converter TWO OUTSIDE PINS ONLY PRESENT FOR OUTPUT CURRENTS OVER 50 A (PACKAGE 2) 9.2 0.36 57.9 2.28 (+)OUT (+)IN 27.94 1.100 36.8 1.45 ON/OFF 21.59 0.850 13.97 0.550 (-)IN 6.35 0.250 (-)OUT 4.4 0.18 3.6 0.14 TOP VIEW (COMPONENT SIDE) SEATING PLANE 50.8 2.00 SECOND BCM FOR DUAL MODELS BOTTOM VIEW 13.1 0.51 NOTES: mm 1. DIMENSIONS ARE: inch 2. UNLESS OTHERWISE SPECIFIED, TOLERANCES ARE: .X/[.XX]= ±0.5/[0.02], .XX/[.XXX]= ±0.25/[0.010]. ø 1.52 (4) PL. 0.060 ø 1.02 (3) PL. 0.040 Input Fuse Value Package Configurations Package Style Description 1 Single output pins 2 Dual output pins Bus Converter Model No. Little Fuse Nano 451/453 Series I048C015T014P1 6.3 A I048C030T015P1 6.3 A I048C030T021P2 8A I048C030T030P2 12 A Input Fusing I048C040T020P1 8A V•I Chips are not internally fused in order to provide flexibility in power system configuration. However, input line fusing of V•I Chips must always be incorporated within the power system. The input line fuse should be placed in series with +IN. I048C040T040P2 15 A I048C060T024P1 12 A I048C060T048P2 I048C080T024P1 25 A 25 A 10 A I048C096T048P1 I048C120T030P1 20A 12 A I048C120T060P1 I048C160T024P1 25 A 12 A I048C160T048P1 25 A I048C240T024P1 12 A I048C240T048P1 25 A I048C480T030P1 12 A I048C480T060P1 vicorpower.com 800-735-6200 Little Fuse 3AB Series 12 A I048C080T048P2 I048C096T024P1 San–O SV 12/14 5/20 Series V•I Chip Intermediate Bus Converter 25 A Rev. 1.5 Page 7 of 8 Warranty Vicor products are guaranteed for two years from date of shipment against defects in material or workmanship when in normal use and service. This warranty does not extend to products subjected to misuse, accident, or improper application or maintenance. Vicor shall not be liable for collateral or consequential damage. This warranty is extended to the original purchaser only. EXCEPT FOR THE FOREGOING EXPRESS WARRANTY, VICOR MAKES NO WARRANTY, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Vicor will repair or replace defective products in accordance with its own best judgement. For service under this warranty, the buyer must contact Vicor to obtain a Return Material Authorization (RMA) number and shipping instructions. Products returned without prior authorization will be returned to the buyer. The buyer will pay all charges incurred in returning the product to the factory. Vicor will pay all reshipment charges if the product was defective within the terms of this warranty. Information published by Vicor has been carefully checked and is believed to be accurate; however, no responsibility is assumed for inaccuracies. Vicor reserves the right to make changes to any products without further notice to improve reliability, function, or design. Vicor does not assume any liability arising out of the application or use of any product or circuit; neither does it convey any license under its patent rights nor the rights of others. Vicor general policy does not recommend the use of its components in life support applications wherein a failure or malfunction may directly threaten life or injury. Per Vicor Terms and Conditions of Sale, the user of Vicor components in life support applications assumes all risks of such use and indemnifies Vicor against all damages. Vicor’s comprehensive line of power solutions includes high density AC-DC and DC-DC modules and accessory components, fully configurable AC-DC and DC-DC power supplies, and complete custom power systems. Information furnished by Vicor is believed to be accurate and reliable. However, no responsibility is assumed by Vicor for its use. Vicor components are not designed to be used in applications, such as life support systems, wherein a failure or malfunction could result in injury or death. All sales are subject to Vicor’s Terms and Conditions of Sale, which are available upon request. Specifications are subject to change without notice. Intellectual Property Notice Vicor and its subsidiaries own Intellectual Property (including issued U.S. and Foreign Patents and pending patent applications) relating to the products described in this data sheet. Interested parties should contact Vicor's Intellectual Property Department. Vicor Corporation 25 Frontage Road Andover, MA, USA 01810 Tel: 800-735-6200 Fax: 978-475-6715 email Vicor Express: [email protected] Technical Support: [email protected] vicorpower.com 800-735-6200 V•I Chip Intermediate Bus Converter Rev. 1.5 6/05