Review of ZK-5JX 6.5-36V to 1.2-32V 5A 75W Step Down Converter with LCD
Review of ZK-5JX 6.5-36V to 1.2-32V 5A 75W Step Down Converter with LCD
The module is explained fully. Setting voltage and currents is shown. All components and datasheet visited. Accuracy of the reading voltage is tested. The module is tested with 30V, 24V, 15V, 12V, 5V, 3.3V and 1.5V at different currents. Lithium Battery charging is shown and ripple voltage of the output is measured on oscilloscope.
Code to turn ON or OFF
Please watch the video for full details and demonstration. To turn ON send A0 01 01 A2To turn OFF send A0 01 00 A1
Chapters of this video
- 01:14 Introduction to ZK-J5X
- 05:36 Components Explained
- 09:06 Input and output voltage
- 13:47 Display value accuracy
- 15:57 Setting Current Limit
- 18:12 Charging 1 cell Battery
- 21:52 Charging more than 2 Cell battery
- Test with Input voltage: 30V
- 23:24 Output voltage 24V
- 25:56 Output voltage 15V
- 27:04 Output voltage 12V
- 27:39 Output voltage 5V
- 28:29 Add it heat sink
- 28:47 Output voltage 3.3V
- 29:50 Output voltage 1.5V
- Test with Input voltage: 24V
- 30:09 Output voltage 15V
- 31:20 Output voltage 12V
- 31:41 Output voltage 5V
- 32:43 Output voltage 3.3V
- Test with Input voltage: 15V 33:07 Output voltage 12V
- 33:49 Output voltage 5V
- 34:06 Output voltage 3.3V
- Test with Input voltage: 12V
- 34:20 Output voltage 5V
- 35:00 Output voltage 3.3V
- 35:16 Test with Input voltage: 5V
- 35:29 Measuring Output Ripple voltage
- 36:51 Conclusion remarks
ZK-5JX 5A Buck Converter: Main
Click on image to enlarge
ZK-5JX 5A Buck Converter: Main
Click on image to enlarge
ZK-5JX 5A Buck Converter: Main
Click on image to enlarge
ZK-5JX 5A Buck Converter: Main
Click on image to enlarge
ZK-5JX 5A Buck Converter: Main
Click on image to enlarge
ZK-5JX 5A Buck Converter: Main
Click on image to enlarge
ZK-5JX 5A Buck Converter: Main
Click on image to enlarge
Resources for this sketch
- XL415 5A Buck Converter datasheet (pdf)
- NCE4060K N-Channel Enhancement Mode Power MOSFET datasheet (pdf)
- N76E003AT20 MCU datasheet (pdf)
- SS54 Schottky Diode datasheet (pdf)
- HT1621B Display Driver datasheet (pdf)
- LM358 Singl Supply Dual Opamp datasheet (pdf)
- SMD DK 2SB1025 Transistor datasheet (pdf)
- V1SJ 2SC945, C945 Transistor datasheet (pdf)
- datasheet (pdf)
- datasheet (pdf)
- datasheet (pdf)
- My Arduino Course on Udemy.com. Get Wiring diagram
- Get Early Access to my videos via Patreaon
- I2C Scanner
- Introduction to LCD1602-I2C with code