Overview
The NCV8405ASTT1G is a self-protected low-side smart discrete device manufactured by onsemi. This three-terminal device is designed to operate in harsh automotive environments and other applications requiring robust protection features. It integrates various protection mechanisms, including overcurrent, overtemperature, ESD, and overvoltage protection, making it a reliable choice for switching a variety of resistive, inductive, and capacitive loads.
Key Specifications
| Rating | Symbol | Value | Unit |
|---|---|---|---|
| Drain-to-Source Voltage Internally Clamped | VDSS | 42 | V |
| Drain-to-Gate Voltage Internally Clamped | VDGR | 42 | V |
| Gate-to-Source Voltage | VGS | ±14 | V |
| Continuous Drain Current | ID | Internally Limited | A |
| Power Dissipation - SOT-223 Version @ TA = 25°C | PD | 1.0 / 1.7 / 11.4 | W |
| Thermal Resistance - SOT-223 Version Junction-to-Ambient Steady State | RθJA | Varies (see datasheet for details) | °C/W |
| Gate Threshold Voltage | VGS(th) | 1.0 - 2.0 | V |
| Static Drain-to-Source On-Resistance @ VGS = 10 V, ID = 1.4 A, TJ = 25°C | RDS(on) | 90 - 100 | mΩ |
| ESD Protection (Human Body Model) | ESD | 4000 | V |
Key Features
- Short-Circuit Protection
- Thermal Shutdown with Automatic Restart
- Overvoltage Protection with Integrated Drain-to-Gate Clamping
- Integrated Clamp for Inductive Switching
- ESD Protection
- dV/dt Robustness
- Analog Drive Capability (Logic Level Input)
- AEC-Q101 Qualified and PPAP Capable
- Pb-Free, Halogen Free/BFR Free, and RoHS Compliant
Applications
- Switching a variety of resistive, inductive, and capacitive loads
- Replacing electromechanical relays and discrete circuits
- Harsh automotive environments and other applications requiring unique site and control change requirements
Q & A
- What is the NCV8405ASTT1G device?
The NCV8405ASTT1G is a self-protected low-side smart discrete device manufactured by onsemi.
- What are the key protection features of the NCV8405ASTT1G?
The device includes overcurrent, overtemperature, ESD, and overvoltage protection with integrated Drain-to-Gate clamping.
- What is the maximum drain-to-source voltage for the NCV8405ASTT1G?
The maximum drain-to-source voltage is 42 V.
- What is the gate threshold voltage range for the NCV8405ASTT1G?
The gate threshold voltage range is 1.0 to 2.0 V.
- Is the NCV8405ASTT1G RoHS compliant?
- What are the typical applications for the NCV8405ASTT1G?
It is used for switching various loads and can replace electromechanical relays and discrete circuits, especially in harsh automotive environments.
- What is the maximum power dissipation for the SOT-223 version at TA = 25°C?
The maximum power dissipation is 1.0 / 1.7 / 11.4 W depending on the conditions.
- Does the NCV8405ASTT1G have ESD protection?
- Is the NCV8405ASTT1G AEC-Q101 qualified?
- What is the thermal shutdown feature of the NCV8405ASTT1G?
The device features thermal shutdown with automatic restart.
