Overview
The NSIC2030JBT3G is a linear 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, similar to a Constant Current Diode (CCD). It is based on Self-Biased Transistor (SBT) technology, which allows it to regulate current over a wide voltage range. The NSIC2030JBT3G is particularly robust, with a high anode-cathode voltage rating of 120 V, making it suitable for various applications including automotive, industrial, and commercial signage.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Anode-Cathode Voltage | Vak | 120 | V | ||
| Steady State Current @ Vak = 7.5 V | Ireg(SS) | 25.5 | 30 | 34.5 | mA |
| Voltage Overhead | Voverhead | 1.8 | V | ||
| Operating Junction and Storage Temperature Range | TJ, Tstg | -55 | 175 | °C | |
| ESD Rating: Human Body Model | 4000 | V | |||
| ESD Rating: Machine Model | 400 | V | |||
| Thermal Resistance, Junction-to-Ambient | RθJA | 124 | °C/W |
Key Features
- Robust Power Package: 3 W
- Wide Operating Voltage Range
- Immediate Turn-On: Typically at 20% of regulation with only 0.5 V across it
- Voltage Surge Suppressing: Protects LEDs from thermal runaway and voltage surges
- UL94-V0 Certified
- Self-Biased Transistor (SBT) Technology
- Negative Temperature Coefficient: Reduces current as temperature rises to protect LEDs
- Pb-Free, Halogen Free/BFR Free, and RoHS Compliant
- AEC-Q101 Qualified and PPAP Capable for automotive and other applications requiring unique site and control change requirements
Applications
- Automotive: Chevron side mirror markers, cluster displays, instruments backlighting, CHMSL, map light
- AC Lighting Panels, Display Signage, Decorative Lighting, Channel Lettering
- Industrial and Commercial Signage
- Single LED String: Can be used as a high or low-side driver
- Higher Current LED Strings: Multiple CCRs can be connected in parallel
- Dimming using PWM: Achieved by placing a BJT in series with the CCR
Q & A
- What is the primary function of the NSIC2030JBT3G?
The NSIC2030JBT3G is a linear constant current regulator (CCR) designed to regulate current in LEDs. - What is the maximum anode-cathode voltage rating of the NSIC2030JBT3G?
The maximum anode-cathode voltage rating is 120 V. - What technology is used in the NSIC2030JBT3G?
The device is based on Self-Biased Transistor (SBT) technology. - How does the NSIC2030JBT3G protect LEDs from thermal runaway?
The device has a negative temperature coefficient, which reduces the current as the temperature rises. - Is the NSIC2030JBT3G suitable for automotive applications?
Yes, it is AEC-Q101 Qualified and PPAP Capable, making it suitable for automotive and other demanding applications. - Can the NSIC2030JBT3G be used in AC applications?
Yes, it can be used with full wave rectified AC as described in application notes and design notes. - How is dimming achieved with the NSIC2030JBT3G?
Dimming can be achieved using Pulse Width Modulation (PWM) by placing a BJT in series with the CCR. - What are the thermal considerations for the NSIC2030JBT3G?
The maximum power dissipation is dependent on the board design, layout, and ambient temperature. Proper thermal management is necessary to prevent overheating. - Is the NSIC2030JBT3G environmentally friendly?
Yes, it is Pb-Free, Halogen Free/BFR Free, and RoHS Compliant. - What certifications does the NSIC2030JBT3G hold?
The device is UL94-V0 Certified and AEC-Q101 Qualified.
