Overview
The onsemi NSI45020T1G is a linear constant current regulator (CCR) and LED driver designed to provide a cost-effective solution for regulating current in LEDs. This device is based on Self-Biased Transistor (SBT) technology and is known for its simplicity, economy, and robustness. It regulates current over a wide voltage range and is designed with a negative temperature coefficient to protect LEDs from thermal runaway at extreme voltages and currents. The NSI45020T1G is AEC-Q101 qualified, making it suitable for automotive and other demanding applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| No of Outputs | Single | |
| Supply Voltage | 45 | V |
| Output Current per Channel | 20 mA ± 15% | mA |
| Operating Temperature Range | -55°C to +150°C | °C |
| Moisture Sensitivity Level | 1 | |
| Package Style | SOD-123 | |
| Mounting Method | Surface Mount | |
| Power Dissipation | 460 mW | mW |
Key Features
- Robust Power Package: 460 mW
- Wide Operating Voltage Range
- Immediate Turn-On: Turns on at 25% of regulation with only 0.5 V Vak
- Voltage Surge Suppressing: Protects LEDs from voltage surges
- SBT (Self-Biased Transistor) Technology
- Negative Temperature Coefficient: Protects LEDs from thermal runaway
- No external components required: Can be designed as a high or low-side regulator
- AEC-Q101 Qualified and PPAP Capable
- Pb-Free, Halogen Free/BFR Free, and RoHS Compliant
Applications
- Automotive: Chevron Side Mirror Markers, Cluster, Display & Instrument backlighting, CHMSL, Map Light
- AC Lighting Panels, Display Signage, Decorative Lighting, Channel Lettering
- Switch Contact Wetting
- Power Dissipation Considerations
- Automotive CHMSL
Q & A
- What is the primary function of the NSI45020T1G?
The NSI45020T1G is a linear constant current regulator (CCR) and LED driver designed to regulate current in LEDs.
- What is the operating voltage range of the NSI45020T1G?
The NSI45020T1G operates up to a supply voltage of 45 V.
- What is the output current of the NSI45020T1G?
The output current is 20 mA ± 15%.
- What is the operating temperature range of the NSI45020T1G?
The operating temperature range is -55°C to +150°C.
- Is the NSI45020T1G AEC-Q101 qualified?
Yes, the NSI45020T1G is AEC-Q101 qualified.
- What package style does the NSI45020T1G come in?
The NSI45020T1G comes in a SOD-123 package.
- Does the NSI45020T1G require external components?
No, the NSI45020T1G does not require external components.
- What is the power dissipation of the NSI45020T1G?
The power dissipation is 460 mW.
- Is the NSI45020T1G RoHS compliant?
Yes, the NSI45020T1G is Pb-Free, Halogen Free/BFR Free, and RoHS Compliant.
- What are some common applications of the NSI45020T1G?
Common applications include automotive lighting, AC lighting panels, display signage, decorative lighting, and switch contact wetting.
