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3

DEMO MANUAL 

DC2769A-A-KIT

Rev. 0

QUICK START PROCEDURE

Figure 5. DC2775A-A Top

+

+

AMI

BATTERY EMULATOR

VMI

RBAT1

200Ω

PS1

3.7V DC

0.5A

Figure 6. DC2771A-A Top

Figure 7. DC2775A-A on top of DC2771A-A

PS2

5.0V DC

0.1A

CONNECT TO A 5V POWER 

SUPPLY TO V

IN

 AND GND 

TURRENTS

OR

+

POWER DC2771A-A 

USING MICRO-USB 

CABLE TO HOST OR A 

5V ADAPTER.

Summary of Contents for Analog Devices LTC4124

Page 1: ...ons are at TA 25 C Figure 1 DC2771A A Picture Figure 2 DC2775A A Picture Figure 3 DC2774A Picture SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN DC2771A A Voltage Input IVIN 100mA 4 5 5 5 V IIN DC2771A A VIN Current VIN 5V 100 mA VBAT DC2775A Battery Charge Voltage VSEL1 VCC VSEL2 GND 4 2 V VBAT DC2775A A Battery Charge Voltage VSEL1 HI VSEL2 HI 4 35 V VSEL1 HI VSEL2 LO 4 2 V VSEL1 LO VSEL2 HI ...

Page 2: ...ively Figure 5 PS1 and RBAT1 make up the battery emulator Typical power supplies cannot sink current By adding a resistor across the power supply inputs that draws more current than the maximum bat tery charging current the power supply only sources current even when the battery charge current is at its maximum value 4 Connect an ammeter AM1 between PS1 and the DC2775A A BAT turret Connect a voltm...

Page 3: ...5 DC2775A A Top AMI BATTERY EMULATOR VMI RBAT1 200Ω PS1 3 7V DC 0 5A Figure 6 DC2771A A Top Figure 7 DC2775A A on top of DC2771A A PS2 5 0V DC 0 1A CONNECT TO A 5V POWER SUPPLY TO VIN AND GND TURRENTS OR POWER DC2771A A USING MICRO USB CABLE TO HOST OR A 5V ADAPTER ...

Page 4: ...774A on top of DC2771A A in Operation Figure 9 Measuring Input or Output Ripple Note All connections from equipment should be Kelvin connected directly to the board pins which they are connected on this diagram and any input or output leads should be twisted pair ...

Page 5: ...5V DIV DC2769AA F10 Figure 10 ZVS Operation on M1 when fTX_TANK 1 29 fDRIVE DC2775A A Wireless Power Receiver Board Featuring the LTC4124 The DC2775A A demo board implements a parallel res onant LC circuit that connects the LTC4124 between ACIN and GND pins The AC waveform on the resonant circuit is rectified by the internal wireless power managing cir cuitry to DC voltage on VCC pin This DC sourc...

Page 6: ...B FLANGELESS TE CONNECTIVITY 1932788 1 DC2775A A Required Circuit Components 1 1 CRx1 CAP 3300pF X7R 50V 10 0402 AVX 04025C332KAT2A 2 1 LRx1 IND 7 2μH WIRELESS CHRG COIL RX 10 500mA 440mΩ 6mm 2mm 1 COIL 1 LAYER WURTH ELEKTRONIK 760308101216 3 1 U1 IC 100mA WIRELESS LI ION CHARGER WITH LOW BATTERY DISCONNECT LQFN 12 ANALOG DEVICES INC LTC4124EV PBF Additional Circuit Components 1 1 D1 LED RED WATER...

Page 7: ...ER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS 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 SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR...

Page 8: ...CUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE THIS CIRCUIT IS PROPRIETARY TO ANALO DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICE PARTS SCALE NONE SIZE SKU NO SCHEMATIC NO AND REVISION PCA BOM PCA ASS Y TM DEVICES Milpitas CA 95035 Fax 408 434 0507 www analog com Phone 408 432 1900 ANALOG 1630 McCart...

Page 9: ...OTICE ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS 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 SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSIST...

Page 10: ...ot disclose or transfer any portion of the Evaluation Board to any other party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promptly return the Evaluation Board to ADI ADDITIONAL RESTRICTIONS Customer may not disassemble decompile or reverse engineer chips on the Evaluation Board Customer shall inform ADI of any occurred dam...

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