Overview
The SZNUD3160LT1G is an industrial inductive load driver manufactured by onsemi. This component provides a single, integrated solution for switching inductive loads such as relays, solenoids, and small DC motors. It eliminates the need for a free-wheeling diode and can be driven by logic level inputs from devices like logic gates, inverters, and microcontrollers. The SZNUD3160LT1G is particularly suited for automotive and industrial environments due to its robust design and compliance with automotive specifications like AEC-Q100 and load dump requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-to-Source Voltage (Continuous) | 60 | V |
| Gate-to-Source Voltage (Continuous) | 12 | V |
| Drain Current (Continuous) | 150 | mA |
| Total Power Dissipation (SOT-23) | 225 | mW |
| Total Power Dissipation (SC-74) | 380 | mW |
| Thermal Resistance, Junction-to-Ambient (SOT-23) | 556 | °C/W |
| Thermal Resistance, Junction-to-Ambient (SC-74) | 398 | °C/W |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | SOT-23-3 (TO-236) | |
| Number of Pins | 3 |
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 V, 24 V, or 48 V.
- Replaces 3 or 4 discrete components for lower cost and reduced complexity.
- Internal Zener diode eliminates the need for a free-wheeling diode.
- Meets load dump and other automotive specifications (AEC-Q100 qualified).
- SZ prefix indicates suitability for automotive and other applications requiring unique site and control change requirements.
Applications
- Automotive environments: drives window, latch, door, and antenna relays.
- Industrial environments: suitable for controlling relays, solenoids, and small DC motors.
- General use in systems requiring the switching of inductive loads without the need for external free-wheeling diodes.
Q & A
- What is the primary function of the SZNUD3160LT1G?
The primary function of the SZNUD3160LT1G is to switch inductive loads such as relays, solenoids, and small DC motors without the need for a free-wheeling diode.
- What are the typical applications of the SZNUD3160LT1G?
Typical applications include automotive and industrial environments, particularly for driving window, latch, door, and antenna relays, as well as controlling other inductive loads.
- What is the maximum drain-to-source voltage of the SZNUD3160LT1G?
The maximum drain-to-source voltage is 60 V.
- What is the maximum drain current of the SZNUD3160LT1G?
The maximum drain current is 150 mA.
- What is the operating temperature range of the SZNUD3160LT1G?
The operating temperature range is from -40°C to 125°C.
- What package type is the SZNUD3160LT1G available in?
The SZNUD3160LT1G is available in the SOT-23-3 (TO-236) package.
- Is the SZNUD3160LT1G AEC-Q100 qualified?
Yes, the SZNUD3160LT1G is AEC-Q100 qualified.
- Does the SZNUD3160LT1G require a free-wheeling diode?
No, the SZNUD3160LT1G has an internal Zener diode that eliminates the need for a free-wheeling diode.
- What is the thermal resistance of the SZNUD3160LT1G in the SOT-23 package?
The thermal resistance, junction-to-ambient, for the SOT-23 package is 556 °C/W.
- Can the SZNUD3160LT1G be driven by logic level inputs?
Yes, the SZNUD3160LT1G can be driven by logic level inputs from devices such as logic gates, inverters, and microcontrollers.
