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dc2181afa

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 1214 REV A • 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

Содержание DC2181A Series

Страница 1: ...he property of 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 ar...

Страница 2: ...ming from the charger By placing 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 yo...

Страница 3: ...igure 5c DC2181A A B Wireless Power Demo Board Mounted on PowerByProxi s ProxiPoint Transmitter Note All connections from equipment should be Kelvin connected directly to the board pins which they are...

Страница 4: ...tter Connection Figure 6c DC2181A A B Wireless Power Demo Board Mounted on DC1968A Wireless Power Basic Transmitter Note All connections from equipment should be Kelvin connected directly to the board...

Страница 5: ...tank voltage is 31 5V see Figure 7 2 s DIV VCx Cy 20V DIV VCx 10V 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 Induct...

Страница 6: ...transmit distance Figure 9 shows VIN to the LTC4120 and the battery charge current The blue trace is the charge current into the bat tery and the red trace is the voltage at VIN on the receiver board...

Страница 7: ...Ferrite on PCB L41200R05 TDK Wire on Ferrite WR282830 37M8 LR4 W rth Wire on Ferrite 760308101303 AE1 wireless power receive antenna shipped with DC2181 The manufacturers can be contacted at Inter Tec...

Страница 8: ...1 1 16W 0402 VISHAY CRCW04023K01FKED 16 1 R36 RES CHIP 0 JUMPER 1 16W 0402 VISHAY CRCW04020000Z0ED Additional Demo Board Circuit Components 1 3 C6 C8 C9 CAP CHIP X7R 0 01 F 10 25V 0402 TDK C1005X7R1E...

Страница 9: ...4021M40FKED 2 1 R10 RES CHIP 1 05M 1 1 16W 0402 VISHAY CRCW04021M05FKED 3 1 U1 400mA WIRELESS SYNCHRONOUS BUCK BATTERY CHARGER 3mm 3mm QFN16 LINEAR TECHNOLOGY LTC4120EUD ITEM QTY REFERENCE PART DESCRI...

Страница 10: ...COILCRAFT LPS4018 472M 13 1 Lx TRANSMIT COIL TDK WT 505060 8K2 LT 14 2 M1 M2 MOSFET SMT N CHANNEL 60V 11m SO8 VISHAY Si4108DY T1 GE3 15 1 M3 MOSFET SMT P CHANNEL 12V 32m SOT23 VISHAY Si2333DS 16 1 M4...

Страница 11: ...E CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RE...

Страница 12: ...CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND...

Страница 13: ...PECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANT...

Страница 14: ...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...

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