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dc2181afb

DEMO MANUAL  

DC2181A-A/B

Linear Technology  Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417  

(408) 432-1900 

 

FAX

: (408) 434-0507 

 

www.linear.com

 

LINEAR TECHNOLOGY CORPORATION 2014

LT 0815 REV B • PRINTED IN USA

The DC1968A Basic Wireless Transmitter is available from Linear Technology as part of the DC1969A-B Wireless Power Kit.  

To obtain the DC1968A Basic Wireless Transmitter, please order the DC1969A-B kit. 

The ProxiPoint Transmitters are available from PowerByProxy: 

www.powerbyproxi.com/evaluation-kits/proxi-point/

DEMONSTRATION BOARD IMPORTANT NOTICE

Linear Technology Corporation (LTC) provides the enclosed product(s) under the following 

AS IS

 conditions:

This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for 

ENGINEERING DEVELOPMENT 

OR EVALUATION PURPOSES ONLY

 and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete 

in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety 

measures typically found in finished commercial goods. As a prototype, this product does not fall within the scope of the European Union 

directive on electromagnetic compatibility and therefore may or may not meet the technical requirements of the directive, or other regulations.
If this evaluation kit does not meet the specifications recited in the DEMO BOARD manual 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 THE 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. EXCEPT TO THE EXTENT OF THIS INDEMNITY, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR 

ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user releases LTC from all claims 

arising from the handling or use of the goods. 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. Also be aware that the products herein may not be regulatory compliant or 

agency certified (FCC, UL, CE, etc.).
No License is granted under any patent right or other intellectual property whatsoever. 

LTC assumes no liability for applications assistance, 

customer product design, software performance, or infringement of patents or any other intellectual property rights of any kind.

LTC currently services a variety of customers for products around the world, and therefore this transaction 

is not exclusive

.

Please read the DEMO BOARD manual prior to handling the product

. Persons handling this product must have electronics training and 

observe good laboratory practice standards. 

Common sense is encouraged

.

This notice contains important safety information about temperatures and voltages. For further safety concerns, please contact a LTC applica-

tion engineer.

Mailing Address:

Linear Technology

1630 McCarthy Blvd.

Milpitas, CA 95035

Copyright © 2004, Linear Technology Corporation

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Содержание DC2181A-A

Страница 1: ...f their respective owners Performance Summary Board Photo FEATURED PART DC2181A A LTC4120EUD 4 2 Fixed Output DC2181A B LTC4120EUD Adjustable Output Design files for this circuit board are available a...

Страница 2: ...lacing a 3 6 resistor in parallel with a normal supply the supply can absorb up to 1A at 3 6V 3 Place the DC2181A receive board on the transmitter as shown in Figure 5c if you are using the PowerByPro...

Страница 3: ...o Board Mounted on PowerByProxi s ProxiPoint Transmitter Note All connections from equipment should be Kelvin connected directly to the board pins which they are connected on this diagram and any inpu...

Страница 4: ...Demo Board Mounted on DC1968A Wireless Power Basic Transmitter Note All connections from equipment should be Kelvin connected directly to the board pins which they are connected on this diagram and a...

Страница 5: ...V DIV VCy 10V DIV DC2181A F07 The blue and green traces are the drains of the transmit ter MOSFETs M1 and M2 see Schematic Basic Inductive Transmitter with Pre Regulator respectively The red trace is...

Страница 6: ...rrent The blue trace is the charge current into the bat tery and the red trace is the voltage at VIN on the receiver board VIN is about 25V while the LTC4120 delivers 1 5W at a distance of 8mm to the...

Страница 7: ...101303 AE1 wireless power receive antenna shipped with DC2181 The manufacturers can be contacted at Inter Technical www inter technical com search for LTC4120 TDK www tdk components com W rth http kat...

Страница 8: ...tional Demo Board Circuit Components 1 3 C6 C8 C9 CAP CHIP X7R 0 01 F 10 25V 0402 TDK C1005X7R1E103K 2 2 C7 C10 CAP CHIP X5R 1 F 10 16V 0402 TDK C1005X5R1C105K 3 1 D4 DIODE ZENER 39V 5 1W PowerDI123 D...

Страница 9: ...Y CHARGER 3mm 3mm QFN16 LINEAR TECHNOLOGY LTC4120EUD ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER PART NUMBER Hardware For Demo Board Only 1 4 E3 E4 E7 E8 TURRET 0 091 MILL MAX 2501 2 00 80 00 00...

Страница 10: ...E3 15 1 M3 MOSFET SMT P CHANNEL 12V 32m SOT23 VISHAY Si2333DS 16 1 M4 MOSFET SMT N CHANNEL 60V 7 5 115mA SOT23 ON SEMI 2N7002L 17 2 R1 R2 RES CHIP 100 5 1 16W 0402 VISHAY CRCW0402100RJNED 18 2 R3 R8 R...

Страница 11: ...TIC SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS SCALE NONE www linear com 3 DEMO CIRCUIT 2181A A B 1 2 400mA WIRELESS SYNCHRONOUS BUCK BATTERY CHARGER N A LTC4120EUD 4 2 LTC4120EUD NC GEORGE B 7 17...

Страница 12: ...EMO CIRCUIT 2181A A B 2 2 BAR GRAPH FOR 400mA WIRELESS SYNCHRONOUS N A LTC4120EUD 4 2 LTC4120EUD NC GEORGE B BUCK BATTERY CHARGER 7 17 14 SIZE DATE V E R O N C I SHEET OF TITLE APPROVALS PCB DES APP E...

Страница 13: ...ARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SCHEMATIC...

Страница 14: ...ERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THIS INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES The...

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