CY0175 75V 20A DC DC switching power supply
Brand : CassspowerProduct origin : Shenzhen, China
Delivery time : 30 days
Supply capacity : 50K
Feature: ·Protections: Short circuit, it is reliability and stability. ·High efficiency is ≥98% . ·Complete protection function with high precision constant output current, low noise as well. ·The most economical & useful power supply with low wattage,100% full load burn-in test. ·2 years warranty.
Feature:
·Protections: Short circuit, it is reliability and stability.
·High efficiency is ≥98% .
·Complete protection function with high precision constant output current, low noise as well.
·The most economical & useful power supply with low wattage,100% full load burn-in test.
·2 years warranty.
Electrical Requirements
1.1 | Input Requirements
| |||||||
Item | Project | Technical Specifications | Unit | Note | ||||
1.1.1 | Input Voltage | 42~58 | Vdc | |||||
1.1.2 | Input Voltage Range | - | Vac | |||||
1.1.3 | AC Input Voltage Frequency | - | Hz | |||||
1.1.4 | Inrush Starting Current | - | A | Vin=220Vac,Cold | ||||
1.1.5 | Max Input Current | 30 | A | Vin=220Vac | ||||
1.1.6 | Efficiency | ≥98% | Vin=220Vac,Rated load | |||||
1.2 | Output Requirements | |||||||
Item | Project | Technical Specifications | Unit | Note | ||||
1.2.1 | Output Voltage | 75 | Vdc | |||||
1.2.2 | Output Voltage Range | 40-75 | Vdc | |||||
1.2.3 | Load Output Current | 20 | A | |||||
1.2.4 | Output minimum current | 0 | A | |||||
1.2.5 | stabilized voltage precision | ±0.6% | ||||||
1.2.6 | Power | 1200 | W | |||||
1.2.7 | Ripple & Noise | ≤200 | mVp-p | Vin=220Vac Limiting bandwidth 20MHz, load end 0.1 F & 10 F capacitors. | ||||
1.2.8 | ON/OFF overshoot amplitude | ±5% | ||||||
1.2.9 | Dynamic
Response | Overshoot amplitude | ±5% | 25%-50%-25% or 50%-75%-50% load changes | ||||
Recovery time | △t≤200 | µS | ||||||
1.2.10 | Voltage Regulation | 1% | ||||||
1.2.11 | Load Regulation | 1% | ||||||
1.2.12 | Start Time | ≤3 | mS | Vin=220Vac,Rated load | ||||
1.2.13 | Hold up Time | ≥10 | mS | Vin=220Vac,Rated load |
Protection
Item | Unit | Min.value | Typical values | Max.value | Remark | |
Input under-voltage protection | Under-voltage point | Vac | 38 | / | After a fault is rectified, the system automatically resets. | |
Restore point | / | / | 41.5 | |||
Backlash | 2 | / | / | |||
Output over-voltage protection | Over-voltage point | Vac | / | / | 62 | After a fault is rectified, the system automatically resets. |
Restore point | / | / | 59 | |||
Backlash | 2 | / | / | |||
V | / | / | Vout+2.5V | After a fault is rectified, the system automatically resets. | ||
Output short circuit protection | (Yes) | After a fault is rectified, the system automatically resets. | ||||
Over temperature protection
| (Yes)105℃ | When the internal temperature of the coil is>105℃ per 30 sec., the output power is reduced by 3.125% from the existing base to 0. When the temperature is less than105℃ per 60 sec., the output power is increased by 3.125% from the existing base to the rated power. | ||||
Battery reverse connection protection | (Yes) | The battery is connected inversely and the power supply does not turn on | ||||
Communication interruption | (Yes) | The charger will automatically shut down if no master command is received within 20S. | ||||
Charging timeout
| (Yes) | Charge continuously for more than 4 hours, power off. | ||||
NTC fault | (Yes) | NTC fault 1) When the temperature is less than -30℃ (NTC open circuit ), to be shutdown lasts more than 5 min. 2) Temperature >125℃ (NTC short circuit ),shutdown in 15sec. |
Isolation &Safety Requirements
Item | Project | Technical Specifications/ Testing Condition | Note | |
2.1 | Electrical strength | Input & Output | 3000Vac(4240Vdc)/10mA/1min(No case) | No arcing, No breakdown |
Input&earth connection | 1500Vac(2120Vdc)/10mA/1min | |||
Output&earth connection | 500Vac(700Vdc)/10mA/1min |
Environmental Requirements
Item | Project | Technical Specifications | Unit | Note |
4.1 | Working TEMP. | -25~+60 | ℃ | Typical value 25℃ |
4.2 | Storage TEMP. | -25~+85 | ℃ | Typical value 25℃ |
4.3 | Working Humidity | 10%~95% (RH) | ||
4.4 | Storage Humidity | 5%~95% (RH) | ||
4.5 | Altitude | ≤3000 | m | working proper |
4.6 | Cooling mode | Natural cooling |
Environmental Test & Reliability Requirements
Item | Project | Technical Specifications | Note |
5.1 | High temperature working | +60℃ 8hrs | Standard(Small batch could be produced) |
5.2 | Low Temperature working | -25℃ 8hrs | Standard(Small batch could be produced) |
5.3 | High temperature storage | +70℃ 24hrs | Standard(Small batch could be produced) |
5.4 | Low temperature storage | -25℃ 24hrs | Standard(Small batch could be produced) |
5.5 | Steady-state damp heat test | Standard(Small batch could be produced) | |
5.6 | High-low temperature cycling test | Standard(Small batch could be produced) |
Mechanical structure
Item | Project | Technical Specifications | Unit | Note |
6.1 | Dimension | 163 ×87×49 ±1 | mm | (L×W×H) |
6.2 | Installation Dimension | Refer to the figure 1 | ||
6.3 | Output connecting terminal | refer to the figure1 | ||
6.4 | Package | 24pcs/carton(separated with knife clip) |
CON1 Connecting pin function
Turn pin NO. | Definition | Function | Diagram |
XHD2.5-2*2P | CANH | CAN+ | ![]()
|
CANL | CAN- | ||
CANH | CAN+ | ||
CANL | CAN- | ||
XHD2.5-2*2P | 485A | 485+ | |
485B | 485- | ||
485A1 | Standby485+ | ||
485B1 | Standby485- | ||
KV636-7.62-2P | VIN- | Input negative | |
VIN+ | Input positive | ||
KV636-7.62-2P | BAT- | Battery negative | |
BAT+ | Battery positive | ||
4-Coding switch | 16-bit address code switch |
Installation Dimension Diagram
Packaging and Transport :
Standard export carton. Each piece is packed by vacuum plastic bag into a inner box then 1pcs to a carton.
Delivery Detail: 5-15working days against payment.
Our Services:
1. Any inquiries will be replied within 24 hours;
2. Professional manufacturer , welcome to visit our website;
3. OEM/ODM available:
a) Print logo on our products
b) Customized specification
c) Customized color package box
d) Any your idea on our products,we can help you to design and put it into production
4. High qulity,fashion design,reasonable&competitive price,fast lead time
5. After-sale service:
a) All products will have been strictly quality checked in test house before packing
b) All products will be well packed before shipping
c) All products have 1-2 years warranty, and we sure the products will be free from maintenance within warranty period
6. Faster delivery:
Sample order in stock, and 3-7days for bulk production
7. Payment term:
L/C T/T open account transaction, westion union & paypal