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EVM IMPORTANT NOTICE

Texas Instruments (TI) provides the enclosed product(s) under the following conditions:

This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION
PURPOSES ONLY
 and is not considered by TI to be fit for commercial use. As such, the goods being provided
may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective
considerations, including product safety measures typically found in the end product incorporating the goods.
As a prototype, this product does not fall within the scope of the European Union directive on electromagnetic
compatibility and therefore may not meet the technical requirements of the directive.

Should this evaluation kit not meet the specifications indicated in the EVM User’s Guide, the kit may be returned
within 30 days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE
WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED,
IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY
PARTICULAR PURPOSE.

The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user
indemnifies TI from all claims arising from the handling or use of the goods. Please be aware that the products
received may not be regulatory compliant or agency certified  (FCC, UL, CE, etc.). Due to the open construction
of the product, it is the user’s responsibility to take any and all appropriate precautions with regard to electrostatic
discharge.

EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE
TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.

TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not
exclusive
.

TI assumes no liability for applications assistance, customer product design, software performance, or
infringement of patents or services described herein
.

Please read the EVM User’s Guide and, specifically, the EVM Warnings and Restrictions notice in the EVM
User’s Guide prior to handling the product. This notice contains important safety information about temperatures
and voltages. For further safety concerns, please contact the TI application engineer.

Persons handling the product must have electronics training and observe good laboratory practice standards.

No license is granted under any patent right or other intellectual property right of TI covering or relating to any
machine, process, or combination in which such TI products or services might be or are used.

Mailing Address:

Texas Instruments
Post Office Box 655303
Dallas, Texas 75265

Copyright 

 2002, Texas Instruments Incorporated

Summary of Contents for TPS2398EBM

Page 1: ...User s Guide 1 User s Guide...

Page 2: ...handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s...

Page 3: ...rtainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 50 C The EVM is designed to operat...

Page 4: ...The TPS2398 and TPS2399 are negative voltage hot swap controllers intended for use in systems needing to hot swap telecom distribution level voltages They integrate inrush current control peak current...

Page 5: ...tion of the user s electronic or resistive load if desired The board also contains two through hole patterns for the installation of large value aluminum electrolytic capacitors This capacitance is us...

Page 6: ...U172 October 2003 6 Evaluation Modules for 48 V Hot Swap Controllers Figure 1 Evaluation Module Top Assembly 2 2 EVM Schematic Diagram and List of Materials The EVM schematic diagram is shown in Figur...

Page 7: ...TP1 D1 C8 USER 1 TP2 OFF ON ENABLE TP12 TP10 J2 48 V_IN TP8 S2 TP11 TP9 S1 OFF ON J1 48 V_RTN TP5 POWER 1 C6 100 F 100 V C7 100 F 100 V R5 20 k 1 W R4 20 m 0 5 W C2 0 01 F C3 0 047 F C4 0 1 F C9 0 082...

Page 8: ...2 0 5W 1 Vishay Dale WSL 2010 020 1 R5 R6 2 2 Resistor 20 k 1W 5 Venkel CR2512 1W203J Q1 1 1 XSTR MOSFET N channel V BR 100V Int l Rectifier IRF530S J1 J2 J3 J4 4 4 Jack banana non insulated PC mount...

Page 9: ...and negative out of the specified terminal As supplied from the factory the 48 V hot swap EVM is configured for operation under the following target conditions shown in Table 3 Table 3 Recommended Op...

Page 10: ...t 3 A Turn off the power supply 4 Connect the EVM and test equipment as shown in Figure 3 5 On the oscilloscope set the channel amplifiers to the following scales CH1 20 V div CH2 2 V div CH3 5 V div...

Page 11: ...ut supply voltage level The scope should have acquired a sweep similar to that shown in Figure 4 The brief fault timing ramp which is shown in Figure 4 FLTTIME trace may or may not be present dependin...

Page 12: ...erence node TP9 48V_RTN The high side of input power to the EVM When used in conjunction with a lab supply this connects to the TP11 48V_RTN The high side of input power to the EVM When used in conjun...

Page 13: ...m resistor is the closest approximate standard value that is readily available A smaller value resistor is also acceptable but carries a corresponding increase in the maximum current limit 4 4 Changi...

Page 14: ...maximum slew rate in amperes second 4 5 Fault Timing with the TPS2398 TPS2399 Whenever the hot swap controller is limiting current to the load an on chip timer is monitoring this operation against an...

Page 15: ...VIN with a maximum specification value of 36 V This setting is targeted at general telecom applications However it is possible to raise the minimum start up threshold and potentially tighten the tole...

Page 16: ...ute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual pro...

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