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© 2014 Exar Corporation 

16/16 

Rev. 2.0.0 

DOCUMENT REVISION HISTORY 

Revision 

Date 

Description 

1.0.0 

09/28/12 

Initial release of document 

1.1.0 

06/18/2013  BOM- Change of Manufacturer P1,P2,P3,P4,P10. 

1.1.1 

10/14/2013  Deleted C36 from the bill of materials 

2.0.0 

01/31/2014  Added XRP7720-DEV and XRP7725 information 

BOARD REVISION HISTORY 

Board Revision 

Date 

Description 

XRP7724EVB-

DEMO-1-01 

10/01/12 

Initial release of evaluation board 

 

 

 

 

 

 

 
 

FOR FURTHER ASSISTANCE 

Email: 

 

[email protected] 

Exar Technical Documentation: 

 

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

 

 

E

XAR 

C

ORPORATION

 

H

EADQUARTERS AND 

S

ALES 

O

FFICES

 

48720 Kato Road 
Fremont, CA 94538 – USA 
Tel.: +1 (510) 668-7000 
Fax: +1 (510) 668-7030 
www.exar.com 

NOTICE 

EXAR Corporation reserves the right to make changes to the products contained in this publication in order to improve 

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 

user’s specific application. While the information in this publication has been carefully checked; no responsibility, however, 

is assumed for inaccuracies. 
EXAR Corporation does not recommend the use of any of its products in life support applications where the failure or 

malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its 

safety or effectiveness. Products are not authorized for use in such applications unless EXAR Corporation receives, in 

writing, assurances to its satisfaction that: (a) the risk of injury or damage has been minimized; (b) the user assumes all 

such risks; (c) potential liability of EXAR Corporation is adequately protected under the circumstances. 
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited. 

Содержание XRP7720EVB-DEMO-1

Страница 1: ...the 2 5V supply in 5mV increments and the 3 3V supply is adjustable in 10mV increments The order and ramp rates for each supply can be programmed to accommodate any sequencing requirement All power su...

Страница 2: ...S3 GPIO1 GPIO2 GND DNS 0603 R8 DNS 0603 R7 35V 10UF 1210 C20 744314200 2 0uH L3 6 3V 100uF 1210 C3 DNS 0805 R31 DNS 0603 C48 CH3_OUT T3 FDMC8882 G D S 4 5 6 7 8 1 2 3 Q4 FDMC7660 G D S 4 5 6 7 8 1 2 3...

Страница 3: ...RP7720 DEV Pin Assignment XRP7720 DEV PIN DESCRIPTION Name Pin Number Description VCC 41 Input voltage Place a decoupling capacitor close to the pin This input is used in UVLO fault generation DVDD 16...

Страница 4: ...ivers the BST pin voltage to the high side FET gate each cycle GPI0 GPIO1 9 10 These pins can be configured as inputs or outputs to implement custom flags power good signals enable disable controls an...

Страница 5: ...Description VCC 41 Input voltage Place a decoupling capacitor close to the pin This input is used in UVLO fault generation DVDD 16 1 8V supply for digital circuitry Connect pin to AVDD Place a decoupl...

Страница 6: ...and off shedding the load for fine grained power management They can also be configures as standard logic outputs or inputs just as any of the GPIOs can be configured but as open drains require an ex...

Страница 7: ...el connector or a test bench DC power supply the voltage must be in the range of the controller VCC specification 5 5V to 18V connected to the Vin phoenix connector the positive side is indicated with...

Страница 8: ...PowerArchitectTM 5 1 will go through the process of loading configuration in the flash Once it has successfully completed the task it will report the outcome as seen above and reset the device if Auto...

Страница 9: ...2014 Exar Corporation 9 16 Rev 2 0 0 Channels can be turned on off individually if desired Note Make sure there is a jumper shorting JP1 pins 1 and 2 installed on your board Channel 4 will not regulat...

Страница 10: ...801 P0C4101 P0L102 P0P101 P0R101 P0R2001 P0R2101 P0R2102 P0T100 P0U105 N0CH10OUT N0CH10OUT N0CH10OUT N0VOUT1 P0C201 P0C601 P0C901 P0C4201 P0L202 P0P201 P0R2201 P0R2301 P0R2302 P0T200 P0U106 N0CH20OUT...

Страница 11: ...PowerPAK SO 8 N Ch 30 V D S MOSFET L1 1 WURTH ELEKTRONIK 744314490 7 0x6 9mm Inductor 4 9uH 14 5m 6 5A L2 1 WURTH ELEKTRONIK 744314330 7 0x6 9mm Inductor 3 3uH 9 0m 9 0A L3 1 WURTH ELEKTRONIK 7443142...

Страница 12: ...ONIK 613 010 243 121 2 54mm Angled Dual Socket 2 54mm dual Pin Socket Header WR PHD JP1 1 WURTH ELEKTRONIK 61300311121 2 54mm Pin Header 2 54mm Pin Header WR PHD 3 Pins JP1 jumper 1 WURTH ELEKTRONIK 6...

Страница 13: ...el l D Di ig gi it ta al l P PW WM M P PF FM M D De em mo o B Bo oa ar rd d P Pr ro og gr ra am mm ma ab bl le e P Po ow we er r M Ma an na ag ge em me en nt t S Sy ys st te em m 2014 Exar Corporation...

Страница 14: ...C Ch ha an nn ne el l D Di ig gi it ta al l P PW WM M P PF FM M D De em mo o B Bo oa ar rd d P Pr ro og gr ra am mm ma ab bl le e P Po ow we er r M Ma an na ag ge em me en nt t S Sy ys st te em m 2014...

Страница 15: ...Qu ua ad d C Ch ha an nn ne el l D Di ig gi it ta al l P PW WM M P PF FM M D De em mo o B Bo oa ar rd d P Pr ro og gr ra am mm ma ab bl le e P Po ow we er r M Ma an na ag ge em me en nt t S Sy ys st t...

Страница 16: ...ucts contained in this publication in order to improve design performance or reliability EXAR Corporation assumes no responsibility for the use of any circuits described herein conveys no license unde...

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