ماژول کاهنده ولتاژ BUCK POWER 10A با قابلیت تنظیم جریان

ماژول کاهنده ولتاژ 10 آمپر با قابلیت تنظیم جریان

ویژگی ها: 

• ولتاژ ورودی: 7 تا 32 ولت
• ولتاژ خروجی: 1.25 تا 28 ولت
• فرکانس: 300KHZ
• توان خروجی: حداکثر 200 وات

DC - DC voltage adjustable constant pressure constant current power 10 a battery charging LED drive car power module

Scope: High-power constant-current buck LED driver lithium battery (including ferroelectric), 4V, 6V, 12V, 14V, 24V battery charging, batteries, nickel-cadmium nickel-metal hydride batteries (battery pack) The charging, solar panels, Wind Turbines.
Module Properties: non-synchronous rectification module non-isolated step-down constant current charging module CC CV
Module parameters:
Input voltage: 7-32V (12V input and output can be constant over time)
Output voltage: 1.25V~28V adjustable
Low pressure 1.5V: input voltage must be higher than the output voltage of 1.5V can not boost above)
Output Current: 8A time within the maximum 10A (power tube temperature exceeds 65 degrees, please add cooling fan, 24V switch 12V 6A less at room temperature using a general can not add fan)
Output power: maximum power of about 200W, the module more than 65 degrees, please add fan.
Conversion efficiency: up to about 95% (efficiency and input and output voltage, current, pressure related)
Constant current range: 0.3-10A (adjustment)
Turn lamp current: constant current value  (0.1), turn the lamp current constant current value linkage, such as constant value 3A, turn the lamp current is set to a constant current of 0.1 times (0.1 * 3A = 0.3A), when the constant when the current value is adjusted to 2A, then turn the lamp current constant current of 0.1 times (0.1 x 2A = 0.2A).
Operating frequency: 300KHZ
Output ripple: about the ripple 50mV (excluding noise) 20M bandwidth (for reference) Input 24V Output 12V 5A measured
Operating temperature: Industrial grade (-40 ℃ to + 85 ℃) (Please note that the actual use of the power tube temperature, high temperature, please enhance heat dissipation)
No-load current: Typical 20mA (24V switch 12V)
Load regulation: ± 1% (constant voltage)
Voltage Regulation: ± 1%
Constant accuracy and temperature: the actual test, the module temperature changes from 25 degrees to 60 degrees, the change is less than 5% of the current value (current value 5A)
Dynamic response speed: 5% 200uS
Potentiometer adjustment direction: clockwise (increase), counterclockwise (decrease)
Indicator: Two-color LED, charging bright red, fully charged will turn green (no-load of green)
Output short circuit protection: Yes, constant current (constant current setting values)
Input reverse polarity protection: None
Anti actually output stream: No, for charging the battery needs plus two diode!
Connection: Terminals
Battery charging method:
1. Determine whether you need to recharge battery float voltage and charge current, input voltage of the module;
2. Adjust the constant voltage potentiometer, the output voltage is regulated to about 5V.
3. 10A current with a multimeter measuring the output short-circuit current block, while adjusting the constant current potentiometer allows the output current reaches a predetermined charge current value;
4. Adjust the constant voltage potentiometer allows the output voltage reaches the float voltage;
5. connected to the battery, try charging. (1,2,3,4 take steps to block input power, output load is not connected to the battery.) LED constant current driver Usage:
1. Determine whether you need to drive LED current and the maximum operating voltage;
2. Adjust the constant voltage potentiometer, the output voltage is regulated to about 5V.
3. 10A current with a multimeter measuring the output short-circuit current block, while adjusting the constant current potentiometer allows the output current reaches a predetermined LED working current;
4. Adjust the constant voltage potentiometer allows the output voltage reaches the LED maximum working voltage;
5. connected to the LED, the test machine.
(1,2,3,4 take steps to block input power, output load is not connected LED.)
Applications:
Adjustable power supply (10A power), high-power LED driver, LED display driver, rechargeable lead-acid batteries, lithium battery charging, car power, car laptop power supply (Buck), power supply, low voltage power supply system, (such as children's toys vehicles with 12V battery down to 6V), 24V switch 12V 10A / 12V turn 5V 12A \/24V turn 5V 12A / 24V 19V switch to laptop charging, etc., a very wide range of applications.