ss w Embedded Power for Business-Critical Continuity Rev. 05.06.11_112 ATCR250 Series 1 of 3 ATCR250-48D12-03J Total Power: 250 Watts Input Voltage: -48 VDC Output: 12 VIntermediate Bus 3.3VManagement Bus Electrical Specifications Input Special Features * Optimized footprint for high density ATCAapplications * Accepts inputs from -48 V and BFeeds * CISPRClass AEMI * Adjustable Hold Up Voltage from 50 to 80 VDC * I2C serial bus interface for monitoring and reporting * Programmable alarm thresholds via I2Cbus * Hardware alarms via opto isolators for loss of A or BFeeds * Comprehensive protection circuitry - current, voltage and temperature * EU directive 2002/95/EC compliant for RoHS Input range: Transient: - 36 V to -72 VDC -100 VDC (< 1 ms) External Input Capacitance: 82uF max Inrush Current: 11 A typ Inrush Duration: < 2ms Undervoltage Lockout: -36 < VIN Overvoltage Lockout: Efficiency: -77.5 VIN < 72 VDC 89% @ 250W Output Nominal Setpoint: Total Regulation Band1: Output Current: Current Limit: Short Circuit: Ripple and Noise2: Overvoltage: Undervoltage: External Output Capacitance: 12 V Intermediate Bus 12.2 V 11.4 - 12.6 V 0 - 20.83 A 118% lo, max (typ) Shutdown/Autorecovery 50 mVp-p Vo > 13.4 VDC NA 1000 uF min 3.3 V Management Bus 3.32V 3.20 - 3.40 V 0 - 4.5 A 130% lo, max (typ) 40 mVp-p Vo > 3.6 VDC (typ) Vo < 3.0 VDC (typ) 100 uF min Control/Monitoring ON/OFF+ and ON/OFF-: I2C Serial Bus Interface: Remote activation of Module. See ATCR250 Application Note For digital monitoring (Vout, Vin, Temp, lin) referenced to secondary side Isolation Characteristic Input to Output Isolation Voltage: 2250 VDC Input to Output Insulation: Basic Safety * UL, cUL 60950-1 * TUV EN60950-1 Environmental Specifications Operating ambient temperature range: Storage temperature: MTBF: -25 C to +85 C ambient -40 C to +125 C > 1 MHrs @ 25 C 100%Load (Target) ess w Embedded Power for Business-Critical Continuity Rev. 05.06.11_112 ATCR250 Series 2 of 3 Part Number System with Options Product Family Rated O/P Power Input Voltage ATCR 250 48 ATCA Product Series 250 Watts -36 to -72 VDC Ouput Voltage RoHS Compliance D12-03 J Dual Output: 12.0V @ 20.83A - Intermediate Bus 3.3V @ 4.5A - Management Bus J = RoHS 6/6 - Pin Assignments Pin Number/Pin Name Function Note 1. -48VA Power input from A' bus Connects to ATCAZone 1 connector pin 33 via external 12 A fuse 2. -48VB Power input from B' bus Connects to ATCAZone 1 connector pin 34 via external 12 A fuse 3. Reserved For future use 4. Hold Up Trim Hold up voltage trim Connects a resistor between this pin and pin 11 to trim hold up voltage 5. RTN A Power return from A' bus Connects to ATCAZone 1 connector pin 28 via external 15 A fuse 6. RTN B Power return from B' bus When connected to RTN A, turns ON isolated open collector A enabled' device (See Note 3) When connected to RTN B, turns ON isolated open collector B enabled' device (See Note 3) Connection to module of auxiliary capacitor hold up array -ve Connection to module of hold up capacitor array -ve Connection from on board filter and management circuits to hold up capacitor array +ve Connection to main power converter from hold up capacitor array +ve Connects to ATCAZone 1 connector pin 29 via external 15 A fuse Connects to ATCAZone 1 connector pin 32 via external 1 A fuse. Used to signal to management system correct board insertion and presence of A' bus Connects to ATCAZone 1 connector pin 27 via external 1 A fuse. Used to signal to management system correct board insertion and presence of B' bus Utilizes greater capacitance in a given can size of lower voltage capacitors. Clamped to -50V wrt HU+OUT when pin 4 is open. 7. ENA 8. ENB 9. C_CL10. HU11.HU+OUT 12.HU+IN 13.ON/OFF- Current from pin to turn main output ON 14.ON/OFF+ Current into pin to turn main output ON 15.B_OK# Open collector signal, monitors status of B feed 16.A_OK# Open collector signal, monitors status of A feed Interrupt Alarm Low when OK I2C Register out of limits, LM80 pin INT#' direct connection I2C lines, address strapping 19.A1 20.SCL May also connect to output of boost module to reduce hold up storage area Fully floating remote ON/OFF signal, may be used with management system or ATCA ENABLE_A/B via R-D network Fully floating remote ON/OFF signal, may be used with management system or ATCA ENABLE_A/B via R-D network Low when OK I 2C lines, address strapping 17.A2 18.INTRPT May also connect to input of boost module to reduce hold up storage area Clock I2C lines, clock line input I2C lines, address strapping 21.A0 22.SDA Data I2C lines, serial data 23., 24. 3V3 RTN Management power return and I2C Also return for A_OK#' and `B_OK#' signals Externally connected to ATCA Zone 1 connector pin 26 25., 26. 3V3 OUT 3V3, 14.85 W management power 27., 28. 3V3 TRIM Trim pin for management power 29.12V RTN 12V return 30.12V OUT 12V power Externally connected to ATCA Zone 1 connector pin 26 Notes: 1. Regulation band over line, load and temperature. 2. Measured at 20 MHz with external 10 mF Tantalum in parallel with 1 mF ceramic, 25V rated low ESR type capacitors across each output. 3. All specifications are typical at nominal line, TA = 25 C unless otherwise indicated. 4. All specifications are subject to change without notice. 5. Technical Reference Notes and Application Notes should be consulted for complete product details 6. Warranty 2 years. ess w Embedded Power for Business-Critical Continuity Mechanical Drawing ATCR250-48D12-03J Americas Rev. 05.06.11_112 ATCR250 Series 3 of 3 5810 Van Allen Way Carlsbad, CA 92008 USA Telephone:+1 760 930 4600 Facsimile: +1 760 930 0698 Europe (UK) Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX United Kingdom Telephone:+44 (0) 1384 842 211 Facsimile: +44 (0) 1384 843 355 Asia (HK) 14/F, Lu Plaza 2 Wing Yip Street Kwun Tong, Kowloon Hong Kong Telephone:+852 2176 3333 Facsimile: +852 2176 3888 For global contact, visit: www.Emerson.com/EmbeddedPower techsupport.embeddedpower @emerson.com While every precaution has been taken to ensure accuracy and completeness in this literature, Emerson Network Power assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions. Emerson Network Power. The global leader in enabling business-critical continuity. 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