UV-5R Charger.pdf

5

4

3

2

1

Input Voltage 10V D

CK1

0.5_OHM

D

1         2

2.1MM

CAP

1

 

470

LED1

2

GREEN

3 4

1K

RED

10K

+VIN

V_OUT

2

I_IN

8 7

D3

LED GND

BATT_DET

5

+

4007

BATTERY

C3

BT?

10_uF

SC6038

C

C

Output Voltage and Current Readings B

Volt mA 8.24 0 7.93 350 8.14 375 8.34 350 8.36 250 8.35 125 8.27 0

LED Flashing Red Red Red Red Red Green

SC6038 is made by Suncore Microelectronics Co., Ltd http://www.scsuncore.com/aspcms/product/2011-8-3/43.html Chinese description says 9-18V in, 8.4V out

No Load Discharged battery charging Battery charging Battery charging Battery charging Battery charging Charged battery

Assumed SC6038 Pin Functions Pin 1  2 3 5 6 7 8

When battery reaches 8.36V, voltage and current start decreasing. A

5

4

B

3

Function Input power for IC ?? LED Drive Low=Green Reverse Battery Detect No Connect Input current for battery Output current to battery

2

A

1