TEC Laser Drivers
- Compact design
- Bidirectional TEC Control
- Switching technology: high efficient driver
- NTC resistor as a temperature sensor
- PID for precise temperature control (0,01º C)
- Security stop when the sensor is open/shorted
- External shutdown control 2,5 V
- Reference voltage output
- Current soft-start for controlled start-up
- Visible running by LED
Technical specification
| Parameters | |
| Output current | <4.5 A |
| Max. compliance voltage | 4.7 V |
| Supply voltage | 5 V |
| Operation mode | Automatic |
| Max. output power | 20 W |
| Temperature sensor | 10 kΩ @25º C, B25/100=3497 |
| Temperature set | Internal pot./input signal |
| Thermal power control | PID |
| Cooling | No required |
| Signals | |
| TSET | Temp selected (mV) |
| REF | 2,5 V |
| ERR | V between TSET and the TNTC |
| SDW | Shutdown signal |
| IT | 0.1*ITEC |
| VT | = voltage across the TEC |
| FAULT | = 5 V if exist a sensor problem |
| TOK | = 0V if ERR < 1 º |
| OK | Over temperature at TNTC |
| UT | Under temperature at TNTC |
| Visual interface | |
| RED right | Over temperature |
| YELLOW right | Under temperature |
| GREEN righ | Temperature OK |
| RED1 center | Heating |
| YELLOW center | Cooling |
| RED2 center | NTC error |
| Mechanics | |
| Dimensions | 68.8 x 33.1 x 16.6 mm |
| Operating temperature | 15 to 40 º C |
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