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The product is intended for specialists and requires qualified and authorized personnel. The product does not include assembly/use instructions . Putting the product into operation by unqualified persons leads to the loss of the warranty according to the Terms and Conditions on the site.
The specified technical parameters (current, power, etc.) represent maximum allowable values under ideal operating conditions. For safe use and optimal lifespan, it is recommended to operate the product continuously at no more than 50% of the specified maximum values.
Automatic DC-DC converter, 3000W, Step Up-Down, 9–60V, 50A
3000W DC-DC buck-boost converter for automatic voltage increase or decrease, ideal for charging Li-Ion batteries and powering automotive, solar or industrial equipment. Offers precise CC/CV regulation, current up to 50A, efficiency up to 98.7% and integrated overcurrent, overvoltage and overheating protections, with passive cooling or optional fan.
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The automatic power supply module, BKT60V50A, is a high-performance DC-DC buck-boost power supply, capable of raising or lowering the voltage according to needs.
It has a maximum power of 3000W and an adjustable current of up to 50A, making this module ideal for charging Li-Ion batteries, powering industrial equipment, solar, automotive or DIY systems.
The robust construction and efficiency of over 98% ensure stable operation and efficient heat dissipation.
The module offers precise voltage and current regulation (CC/CV), complete protection against overheating, short circuit, overvoltage and overcurrent, as well as automatic shutdown and controlled start (EN/ACC) function.
It is also equipped with a heatsink and supports the addition of a thermally controlled 12VDC fan for continuous operation at high loads.
Do not test the module with small laboratory power supplies (3A/5A) or electronic loads in DC mode.
Specifications:
Model: YF-BKT60V50A
Input voltage: DC 9–58V (can be switched to 5V)
Input Current: 50A Maximum
Output voltage: DC 3–56V adjustable
Output current: up to 50A
Maximum power: 3000W
Conversion efficiency: up to 98.7%
Switching frequency: 200kHz
Function: CC/CV (constant current / constant voltage)
Protections: overvoltage, overcurrent, overtemperature, short circuit
Cooling: passive (up to 10W) / active with fan over 10W
Working temperature: -45°C ~ +85°C
Maximum controller temperature: 125°C
Optional heatsink weight: 140g
Fan start temperature: 50–55°C
Thermal protection: 90–95°C
Weight: 180g
Dimensions: 100 × 65 × 21 mm
| Parameter | Typical value | unity | Observations |
|---|---|---|---|
| Fan voltage | 11.5 – 12.2 | V | Active above 14 V Vin |
| Fan current | 0.2 – 0.3 | A | Automatic control at 50–55 °C |
| Thermal protection | 90–95 | °C | Automatically shuts off for protection |
| Conversion efficiency | 96.8 – 98.7 | % | Depending on voltage and load |
| Switching frequency | 200 | kHz | Constant, synchronized |
| size | 100 × 65 × 21 | MM | Without radiator |
| Weight | 180g | – | With the main board |
| Optional radiator | 140g | – | 105 × 70 × 15mm |
Dynamic performance:
Start-up time: 4– 4.5ms
Voltage recovery rate: <2%
Voltage variation in load: max. 0.8%
Output voltage ripple: max. 240mV (1.2kW)
Current limiting: 59.5A
Fast response to variable load (10–100%)
Pinout:
| PCB marking | Function | Detailed description |
|---|---|---|
| WIN+ | Positive power input | Connects input voltage (9–58 V DC). Does not accept alternating current (AC). Be careful of polarity – reversing may damage the board. |
| GND | Common table (entry/exit) | Negative common pole for power and output. Must be connected firmly for stable operation. |
| VO+ | Adjustable positive output | Adjustable output between 3 V and 56 V (depending on setting). Polarity must be respected. |
| RX1 | Output voltage adjustment | 25-turn potentiometer; rotate clockwise to increase output voltage (2.4 – 56 V). |
| X2 | Output current setting | 25-turn potentiometer; adjusts the current limit (5 – 59 A). Clockwise = higher current. |
| RX3 | Input tracking voltage adjustment | Range 9.5–56 V. Used for sources with automatic tracking (e.g. solar panels, fuel cells). Clockwise → higher tracking voltage. |
| P1-1 | External current control | Analog signal 0.26–1.25 V corresponding to 6–59 A. Requires input signal > 1 mA. |
| P1-2 | EN (Enable) input | When connected to GND → the power supply stops completely (including the auxiliary board). Recommended for external controlled shutdown. |
| P1-3 | GND control signal | Ground for external control signals (P1-1 / P1-2). |
| P2 | 12 V fan connector (optional) | Automatically activates the fan at 50–55 °C. Max. current. 0.3 A. Requires auxiliary power board. |
| P3 | ACC (auto control) start | 5–28 V for on/off control. A+ and A– for optocoupler control. |
| P4 (1-4) | Voltage/current display connector | An external voltmeter/ammeter or optional display module can be connected. |
| P5 | External voltage control | Signal 0–2 V → output voltage 0–56 V (proportional). Recommended for microcontroller control. |
| P6 | Auxiliary board power supply | 14V input required for fan and display when connected. |
| LED1 | Input voltage tracking indicator | On = activate input voltage tracking function (tracking mode). |
| LED2 | Power/work indicator | On = the module is active and properly powered. |
Use:
Connect the polarities correctly: VIN+, VO+, GND.
Adjust the desired voltage with the RX1 potentiometer.
Adjust the maximum output current with RX2.
Turns on the fan if you exceed 10W load.
Do not test the module with small laboratory power supplies (3A/5A) or electronic loads in DC mode.
Produs destinat utilizarii in proiecte electronice, automatizari, prototipare, educatie si cercetare.
Produsul trebuie utilizat numai conform specificatiilor tehnice mentionate in descriere si/sau in documentatia produsului.
Avertismente generale de siguranta:
Nu utilizati produsul la tensiuni, curenti sau temperaturi peste valorile specificate.
Montajul si conectarea trebuie realizate de persoane cu cunostinte tehnice minime in domeniul electric/electronic.
Evitati scurtcircuitele, inversarea polaritatii si conectarea gresita a alimentarii.
Nu lasati produsul alimentat nesupravegheat in timpul testelor.
Produsul nu este jucarie si nu este destinat copiilor.
Pentru modulele electronice, se recomanda utilizarea in carcase, panouri sau montaje protejate, dupa caz.
Identificare produs:
Denumirea produsului, codul/SKU-ul si caracteristicile tehnice sunt mentionate in pagina produsului si/sau pe eticheta ambalajului.
Producator / Importator / Distribuitor:
Sigmanortec S.R.L.
Calea Bucuresti nr. 9, Targu Jiu, Gorj, Romania
E-mail: [email protected]
Website: www.sigmanortec.ro
Persoana responsabila in UE:
Sigmanortec S.R.L.
Calea Bucuresti nr. 9, Targu Jiu, Gorj, Romania
E-mail: [email protected]
Documentatie si siguranta:
Pentru informatii suplimentare, fise tehnice, declaratii de conformitate sau instructiuni, ne puteti contacta la [email protected].
