Overview
The NUD3124DMT1G, produced by onsemi, is an automotive inductive load driver designed to provide a single-component solution for switching inductive loads such as relays, solenoids, and small DC motors. This device is particularly useful in automotive and other applications requiring robust and reliable control of inductive loads. Although it is currently discontinued and not recommended for new designs, it remains a significant component in existing systems.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Drain-to-Source Voltage – Continuous | VDSS | - | - | 28 | V |
| Gate-to-Source Voltage – Continuous | VGSS | - | - | 12 | V |
| Drain Current – Continuous | ID | - | - | 150 | mA |
| Maximum Junction Temperature | TJ | - | - | 150 | °C |
| Storage Temperature Range | TSTG | -65 | - | 150 | °C |
| Total Power Dissipation (SOT-23) | PD | - | - | 225 | mW |
| Total Power Dissipation (SC-74) | PD | - | - | 380 | mW |
| Thermal Resistance Junction-to-Ambient (SOT-23) | RθJA | - | - | 556 | °C/W |
| Thermal Resistance Junction-to-Ambient (SC-74) | RθJA | - | - | 329 | °C/W |
| Output Continuous Current | IDS(on) | 150 | - | - | mA |
| Forward Transconductance | gFS | - | 500 | - | mmho |
Key Features
- Provides a robust interface between DC relay coils and sensitive logic circuits.
- Capable of driving relay coils rated up to 150 mA at 12 volts.
- Replaces 3 or 4 discrete components, reducing overall cost.
- Internal Zener diode eliminates the need for a free-wheeling diode.
- Meets load dump and other automotive specifications.
- AEC-Q101 qualified and PPAP capable, ensuring high reliability in automotive applications.
Applications
The NUD3124DMT1G is designed for use in various automotive and industrial applications, including:
- Relay control systems.
- Solenoid control systems.
- Small DC motor control systems.
- Any application requiring the switching of inductive loads without the need for a free-wheeling diode.
Q & A
- What is the NUD3124DMT1G used for?
The NUD3124DMT1G is used to switch inductive loads such as relays, solenoids, and small DC motors in automotive and industrial applications.
- What is the maximum drain current of the NUD3124DMT1G?
The maximum drain current is 150 mA.
- What is the maximum junction temperature of the NUD3124DMT1G?
The maximum junction temperature is 150°C.
- Does the NUD3124DMT1G require a free-wheeling diode?
No, it has an internal Zener diode that eliminates the need for a free-wheeling diode.
- What are the package options for the NUD3124DMT1G?
The device is available in SOT-23 and SC-74 packages.
- Is the NUD3124DMT1G AEC-Q101 qualified?
- What is the thermal resistance junction-to-ambient for the SOT-23 package?
The thermal resistance junction-to-ambient for the SOT-23 package is 556°C/W.
- What is the total power dissipation for the SC-74 package?
The total power dissipation for the SC-74 package is 380 mW.
- Can the NUD3124DMT1G be driven by logic gates and microcontrollers?
- Is the NUD3124DMT1G still recommended for new designs?
No, the NUD3124DMT1G is discontinued and not recommended for new designs.
