Overview
The NSI45025AT1G is a Constant Current Regulator (CCR) and LED Driver produced by onsemi. This device is designed to provide a cost-effective solution for regulating current in LEDs, utilizing patent-pending Self-Biased Transistor (SBT) technology. It is robust, economical, and simple to implement, requiring no external components. The NSI45025AT1G is suitable for a wide range of applications, including automotive, industrial, and commercial signage, due to its high anode-cathode voltage rating and ability to withstand voltage surges.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (Vak Max) | 45 | V |
| Output Current per Channel (Ireg(SS)) | 25 mA ±10% | mA |
| Package Style | SOD-123 | |
| Mounting Type | Surface Mount | |
| Operating and Storage Junction Temperature Range | -55°C to +150°C | °C |
| Power Package | 460 mW | mW |
| ESD Rating (Human Body Model) | Class 1C | |
| ESD Rating (Machine Model) | Class B |
Key Features
- Robust Power Package: 460 mW
- Wide Operating Voltage Range: Up to 45V
- Immediate Turn-On: At 25% of regulation with only 0.5 V Vak
- Voltage Surge Suppressing: Protecting LEDs from thermal runaway
- AEC-Q101 Qualified and UL94-V0 Certified: Ensuring high reliability and safety standards
- SBT (Self-Biased Transistor) Technology: For efficient current regulation
- Negative Temperature Coefficient: Protects LEDs from thermal runaway at extreme temperatures
- Pb-Free, Halogen Free/BFR Free and RoHS Compliant: Environmentally friendly and compliant with regulatory standards
Applications
- Automotive Electronics: Chevron side mirror markers, cluster, display & instrument backlighting, CHMSL, map light
- AC Lighting Panels: Display signage, decorative lighting, channel lettering
- LED Lighting Systems: General LED lighting applications
- Battery Management Systems: For controlled current conditions
- Industrial Power Modules: For various industrial applications requiring stable current regulation
- Switch Contact Wetting: Ensuring reliable switch operation
Q & A
- What is the maximum supply voltage for the NSI45025AT1G?
The maximum supply voltage (Vak Max) for the NSI45025AT1G is 45V.
- What is the output current per channel for the NSI45025AT1G?
The output current per channel is 25 mA with an accuracy of ±10%.
- What is the package style and mounting type of the NSI45025AT1G?
The package style is SOD-123, and the mounting type is Surface Mount.
- What is the operating temperature range for the NSI45025AT1G?
The operating and storage junction temperature range is -55°C to +150°C.
- Is the NSI45025AT1G AEC-Q101 qualified?
- What technology is used in the NSI45025AT1G for current regulation?
The NSI45025AT1G uses Self-Biased Transistor (SBT) technology for efficient current regulation.
- How does the NSI45025AT1G protect LEDs from thermal runaway?
The device has a negative temperature coefficient that reduces the current as the temperature rises, protecting the LEDs from thermal runaway.
- Can the NSI45025AT1G be used in high or low-side configurations?
- Is the NSI45025AT1G environmentally friendly?
- What are some common applications of the NSI45025AT1G?
