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  5. Operation Manual

TDK-Lambda CPFE1000F SERIES Operation Manual

Summary of CPFE1000F SERIES

  • Page 1

    Cpfe1000f series power supply operation manual 1 5 june 2013 general safety instructions.............................................................................................................................2 1. Timing sequence......................................................................

  • Page 2

    Cpfe1000f series power supply operation manual 2 5 june 2013 general safety instructions high voltage warning dangerous voltages are present within the power supply. Critical components this product is not authorized for use as a critical component in nuclear control systems, life support systems or...

  • Page 3

    Cpfe1000f series power supply operation manual 3 5 june 2013 • when the unit is operating, keep your hands and face away from it; you might be injured by an accident. • do not use unit under unusual conditions such as emission of smoke or abnormal smell and sound etc. It might cause fire and electri...

  • Page 4: 1. Timing Sequence

    Cpfe1000f series power supply operation manual 4 5 june 2013 1. Timing sequence note: bc terminal voltage is an internal factory measurement test point that is not accessible to the user. In p u t l in e o n o v p t ri p l v p t ri p o c p a ct iv e in p u t l in e o f f in p u t l in e o n o t p t ...

  • Page 5

    Cpfe1000f series power supply operation manual 5 5 june 2013 2. Output voltage adjustment range output voltage adjustment range: +/-20% of the typical voltage rating when increasing or decreasing the output voltage, care must be taken such as not to exceed the maximum output power. If remote sensing...

  • Page 6: 3. Ripple And Noise

    Cpfe1000f series power supply operation manual 6 5 june 2013 3. Ripple and noise ripple and noise is measured according to the description below in accordance with jeita-9131b (sections 7.16, 7.17 and 7.18). The measurement connection is shown in fig. 3-1. (ceramic capacitor: 2.2µf and electrolytic ...

  • Page 7

    Cpfe1000f series power supply operation manual 7 5 june 2013 7. Over voltage protection (ovp) the cpfe1000fxx is equipped with ovp feature. The unit will shutdown if the voltage on the output is between 125% to 145% of nominal output voltage. 8. Over temperature protection (otp) the cpfe1000fxx is e...

  • Page 8: 10. On/off Control

    Cpfe1000f series power supply operation manual 8 5 june 2013 10. On/off control (+on/off, -on/off terminal) the cpfe1000fxx is equipped with a on/off control function. Without turning the input supply on and off, the output can be enabled and disabled using this function. The on/off control circuit ...

  • Page 9

    Cpfe1000f series power supply operation manual 9 5 june 2013 11. Parallel operation (cs terminal) by connecting the cs terminal of each cpfe1000fxx, output current can be equally drawn from each unit. A maximum of 6 units of the same model can be connected. Maximum output current is derated by paral...

  • Page 10

    Cpfe1000f series power supply operation manual 10 5 june 2013 11a. Parallel for redundant operation: in cases where an end product or system cannot tolerate any downtime, a redundant power supply or system configuration should be considered. There are a number of ways to construct redundant or fault...

  • Page 11: 12. Series Operation

    Cpfe1000f series power supply operation manual 11 5 june 2013 12. Series operation the output of several units can be connected in series for increased output voltage. It is recommended that diodes be connected in parallel with each unit output to prevent reverse voltage during start-up sequence or ...

  • Page 12

    Cpfe1000f series power supply operation manual 12 5 june 2013 13. Power on signal (ena terminal) this signal is located at the secondary side (output side) and it is an open collector output. (maximum sink current is 10ma and maximum applied voltage is 75v.) return line for ena terminal is the com t...

  • Page 13: 17. Withstand Voltage

    Cpfe1000f series power supply operation manual 13 5 june 2013 17. Withstand voltage this module is designed to withstand applied voltage 2.5kvac between input and baseplate, 3kvac between input and output for a duration of 1 minute. When performing this test, set the current limit of test equipment ...

  • Page 14: 18. Insulation Resistance

    Cpfe1000f series power supply operation manual 14 5 june 2013 18. Insulation resistance use dc insulation resistance test equipment (max.500v) between output and baseplate. Insulation resistance must be 100mohm or more at 500vdc. Take caution that some types of test equipment generate high pulse vol...

  • Page 15: 20. Safety Approvals

    Cpfe1000f series power supply operation manual 15 5 june 2013 20. Safety approvals ul/csa 60950-1, iec/en60950-1 intended for installation in a non-operator access environment intended for installation in an external electrical/mechanical/fire enclosure 21. Emc & immunity conducted emissions - en550...

  • Page 16: 24. I

    Cpfe1000f series power supply operation manual 16 5 june 2013 24. I 2 c bus interface 1.- introduction the i 2 c interface option includes facilities to monitor operating parameters of the power supply (ps). The parameters are then transferred to the host pc if demanded, over a standard i 2 c bus. T...

  • Page 17

    Cpfe1000f series power supply operation manual 17 5 june 2013 5.- operation and functions 5.1 digital status digital status functions are provided by a status byte register. This is a 8-bit word when read by the i 2 c controller. On the status byte each bit corresponds to a specific digital function...

  • Page 18

    Cpfe1000f series power supply operation manual 18 5 june 2013 if over-current is applied to a 12v output unit 1.- read the status byte register (hex number) : 66 2.- convert the hex number to bin number: 1100110 3.- bin number is read from right to left: 5.2 eeprom functions a 512 bytes eeprom is in...

  • Page 19

    Cpfe1000f series power supply operation manual 19 5 june 2013 the adc has to be scaled to obtain a correct value for the voltage, current and temperature readings. The following scaling factor (sf) should be employed: cpfe1000f12 range sf accuracy cpfe1000f28 range sf accuracy cpfe1000f48 range sf a...

  • Page 20

    Cpfe1000f series power supply operation manual 20 5 june 2013 6.- typical application diagram pc rs232/usb to i2c convertor scl +v sda (j5) gnd cpfe1000f (j6, j7) -v a0 a1 a2 + load - clock data address setting.

  • Page 21: 25. Mechanical Drawing

    Cpfe1000f series power supply operation manual 21 5 june 2013 25. Mechanical drawing 26. Baseplate temperature measurement point see above drawing for temperature measurement point..

  • Page 22: 27. Heat Sink Selection

    Cpfe1000f series power supply operation manual 22 5 june 2013 27. Heat sink selection.