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Velleman K7302, Illustrated Assembly Manual

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Velleman K7302 Illustrated Assembly Manual Download Page 10

10 

 

11. Schematic diagram

 

6.5...21VDC

1.2...12V ACCU

R2

47/0.25W
18/0.25W
6.8/0.25W
3.9/0.5W
2.7/0.5W

CHARGE CURRENT

50mA
100mA
200mA
300mA
400mA

IN+

IN-

SK1

+

-

SW

DJ-005

D1

C1

120/0...5W

T1

R2

LD1

+OUT

-OUT

IN+

220µF/25V

R1

BD135

L-934LSRD RED

Schematic diagram 

Summary of Contents for K7302

Page 1: ...UNIVERSAL BATTERY CHARGER K7302 ILLUSTRATED ASSEMBLY MANUAL H7302IP 1 Low cost soluton for charging of both NiCd and NiMh batteries...

Page 2: ...rtables video batteries Selectable charge current LED charge indication Features Charge current 20 50mA 100mA 200mA 300mA 400mA selectable Supply voltage from 6 5VDC to 21VDC depending on used battery...

Page 3: ...vers A basic range is fine For some projects a basic multi meter is required or might be handy 1 2 Assembly Hints Make sure the skill level matches your experience to avoid disappointments Follow the...

Page 4: ...DO NOT BLINDLY FOLLOW THE ORDER OF THE COMPONENTS ONTO THE TAPE ALWAYS CHECK THEIR VALUE ON THE PARTS LIST REMOVE THEM FROM THE TAPE ONE AT A TIME...

Page 5: ...e the battery in half the time Example A battery pack of 6V 1000mAh can be charged with 100mA during 15 hours If you want to charge faster then a charge current of 200mA can be used for about 7 hours...

Page 6: ...6V 12V 15V PS1205 7 2V 13 2V 16V PS1505 8 4V 14 5V 17V PS1505 9 6V 15 6V 18V PS1505 10 8V 16 8V 19V 12V 18V 21V Determining the supply voltage This table indicates the minimum and maximum voltages to...

Page 7: ...n to make it visible through a hole in the housing 4 LED check the polarity The value of resistor R2 deter mines the charge current R2 3 Resistor R 50mA 47 1 4W 4 7 0 B 100mA 18 1 4W 1 8 0 B 200mA 6 8...

Page 8: ...necessary Take care that the metal back of the transistor touches the heatsink Check that the leads of the tran sistor do not touch the heatsink 8 Transistor TRANSISTOR METAL SIDE UP 10mm M3 BOLT PCB...

Page 9: ...VDC IN ACCU OUT P7302 RECHARGEABLE BATTERY DC POWER SUPPLY VDC IN ACCU OUT P7302 RECHARGEABLE BATTERY DC ADAPTOR VDC IN P7302 OUT ACCU RECHARGEABLE BATTERY Connecting the supply voltage and the batter...

Page 10: ...6 5 21VDC 1 2 12V ACCU R2 47 0 25W 18 0 25W 6 8 0 25W 3 9 0 5W 2 7 0 5W CHARGE CURRENT 50mA 100mA 200mA 300mA 400mA IN IN SK1 SW DJ 005 D1 C1 120 0 5W T1 R2 LD1 OUT OUT IN 220 F 25V R1 BD135 L 934LSR...

Page 11: ...11 12 PCB PCB c SK1 SW b VDC IN e T1 P7302 VELLEMAN ACCU OUT SK3 R1 R2 LD1 C1 SK2 D1...

Page 12: ...Modifications and typographical errors reserved Velleman nv H7302IP 2 2014 rev 1 5 4 1 0 3 2 9 2 9 0 3 6 8 VELLEMAN NV Legen Heirweg 33 B 9890 GAVERE Belgium Europe...

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