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© 2013 Exar Corporation 

18/18 

Rev. 1.0.0 

 

DOCUMENT REVISION HISTORY 

Revision 

Date 

Description 

1.0.0 

07/31/13

 

Initial release of document 

BOARD REVISION HISTORY 

Board Revision 

Date 

Description 

REV1.0 

07/31/2013  Initial release of evaluation board 7740EVB-HIC-01 

 

FOR FURTHER ASSISTANCE 

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http://www.exar.com/TechDoc/default.aspx? 

 

 

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ORPORATION

 

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design, performance or reliability. EXAR Corporation assumes no responsibility for the use of any circuits described herein, 

conveys no license under any patent or other right, and makes no representation that the circuits are free of patent 

infringement. Charts and schedules contained here in are only for illustration purposes and may vary depending upon a 

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Содержание XRP7740EVB-HIC

Страница 1: ...to 2 5V and in 100mV increments for voltages from 2 6V to 5 1V The order and ramp rates for each supply can be programmed to accommodate any sequencing requirement Faults output voltages and currents...

Страница 2: ...74 40 0E EV VB B H HI IC C F Fo ou ur r C Ch ha an nn ne el l D Di ig gi it ta al l P PW WM M D De em mo o B Bo oa ar rd ds s 2009 Exar Corporation 2 18 Rev 1 0 EVALUATION BOARD Figure 2 XRP7740EVB H...

Страница 3: ...eeds to be tied to VIN2 on the board with a short trace VIN2 38 If the Vin2 pin voltage falls below the user programmed UVLO VIN2 level all channels are shut down The VIN2 pin needs to be tied to VIN1...

Страница 4: ...s Connect BST to an external boost diode and a capacitor as shown in the front page diagram The high side driver is connected between the BST pin and LX pin GPIO0 GPIO3 3 4 5 6 These pins can be conf...

Страница 5: ...igned to provide an output voltage from 0 9V to 5 0V The default voltage is 1 8V at 5A Channel 4 is designed to provide an output voltage from 9 to 5 0V The default voltage is 1 0V at 12A ENABLE PIN T...

Страница 6: ...iguration options are selected by adding a jumper to either pins 1 and 2 or pins 2 and 3 Figure 5 shows the factory jumper positions and the above table describes the function of each of the jumpers T...

Страница 7: ...ow and browse to the directory that contains the 7740 HiC Default Config File rev 130723 cfg file and select it This will bring you to the Overview tab of the main window If the XCM board is recognize...

Страница 8: ...4 40 0E EV VB B H HI IC C F Fo ou ur r C Ch ha an nn ne el l D Di ig gi it ta al l P PW WM M D De em mo o B Bo oa ar rd ds s 2013 Exar Corporation 8 18 Rev 1 0 0 Evaluation Board Schematics Figure 7 B...

Страница 9: ...744373680045 Wurth Elektronik 11x10mm WE LHMI SMD Power Inductor C1 C38 2 GRM32ER71E226KE15L Murata Corp 1210 CAP CER 22uF 25V 10 X7R C2 C3 C4 C11 C12 C15 C16 C3 9 C42 C44 C45 C55 C57 C58 C 67 C68 C6...

Страница 10: ...3 1 CRCW060347K5FKEA Vishay Dale 0603 RES 47 5K OHM 1 10W 1 SMD R34 1 CRCW06032K49FKEA Vishay Dale 0603 RES 2 49K OHM 1 10W 1 SMD J12 1 RAPC722X Switchcraft Inc 2 1mm D 5 5mm OD CONN POWERJACK MINI R...

Страница 11: ...74 40 0E EV VB B H HI IC C F Fo ou ur r C Ch ha an nn ne el l D Di ig gi it ta al l P PW WM M D De em mo o B Bo oa ar rd ds s 2013 Exar Corporation 11 18 Rev 1 0 0 EVALUATION BOARD LAYOUT Figure 8 Lay...

Страница 12: ...X XR RP P7 77 74 40 0E EV VB B H HI IC C F Fo ou ur r C Ch ha an nn ne el l D Di ig gi it ta al l P PW WM M D De em mo o B Bo oa ar rd ds s 2013 Exar Corporation 12 18 Rev 1 0 0 Figure 9 Layer 1 Top...

Страница 13: ...RP P7 77 74 40 0E EV VB B H HI IC C F Fo ou ur r C Ch ha an nn ne el l D Di ig gi it ta al l P PW WM M D De em mo o B Bo oa ar rd ds s 2013 Exar Corporation 13 18 Rev 1 0 0 Figure 10 Layer 2 Power Gr...

Страница 14: ...XR RP P7 77 74 40 0E EV VB B H HI IC C F Fo ou ur r C Ch ha an nn ne el l D Di ig gi it ta al l P PW WM M D De em mo o B Bo oa ar rd ds s 2013 Exar Corporation 14 18 Rev 1 0 0 Figure 11 Layer 3 Intern...

Страница 15: ...XR RP P7 77 74 40 0E EV VB B H HI IC C F Fo ou ur r C Ch ha an nn ne el l D Di ig gi it ta al l P PW WM M D De em mo o B Bo oa ar rd ds s 2013 Exar Corporation 15 18 Rev 1 0 0 Figure 12 Layer 4 Intern...

Страница 16: ...RP P7 77 74 40 0E EV VB B H HI IC C F Fo ou ur r C Ch ha an nn ne el l D Di ig gi it ta al l P PW WM M D De em mo o B Bo oa ar rd ds s 2013 Exar Corporation 16 18 Rev 1 0 0 Figure 13 Layer 5 Analog Gr...

Страница 17: ...XR RP P7 77 74 40 0E EV VB B H HI IC C F Fo ou ur r C Ch ha an nn ne el l D Di ig gi it ta al l P PW WM M D De em mo o B Bo oa ar rd ds s 2013 Exar Corporation 17 18 Rev 1 0 0 Figure 14 Layer 6 Botto...

Страница 18: ...of any circuits described herein conveys no license under any patent or other right and makes no representation that the circuits are free of patent infringement Charts and schedules contained here in...

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