Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Switch Type | General Purpose |
| Number of Outputs | 1 |
| Ratio - Input: Output | 1:1 |
| Output Configuration | High Side |
| Output Type | N-Channel |
| Interface | On/Off |
| Voltage - Load | 4.5V ~ 45V |
| Voltage - Supply (Vcc/Vdd) | Not Required |
| Current - Output (Max) | 500mA |
| Rds On (Typ) | 1Ohm |
| Input Type | Non-Inverting |
| Features | Auto Restart |
| Fault Protection | Current Limiting (Fixed), Over Temperature, Over Voltage |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | SOT-223 (TO-261) |
Overview
Description
The NCV8450ASTT3G is a self-protected high-side switch designed for automotive and industrial applications. It integrates a power MOSFET with built-in protection features, providing a robust solution for driving inductive, capacitive, or resistive loads. Key features include overcurrent protection, overtemperature shutdown, and overvoltage protection, ensuring reliable operation under various conditions. The device operates with input voltages ranging from 5.5 V to 42 V, making it versatile for different environments.
The NCV8450ASTT3G is designed to handle continuous currents up to 7 A and supports pulse currents of up to 20 A, allowing it to manage significant loads effectively. Its low on-resistance helps minimize power loss, enhancing efficiency. Additionally, the device includes an active high control input, making it compatible with microcontroller interfaces.
Its compact, surface-mount package (DPAK) facilitates easy integration into space-constrained designs. Overall, the NCV8450ASTT3G offers a reliable and efficient solution for high-side switching needs, suitable for applications requiring durable and protected load management.
The NCV8450ASTT3G is designed to handle continuous currents up to 7 A and supports pulse currents of up to 20 A, allowing it to manage significant loads effectively. Its low on-resistance helps minimize power loss, enhancing efficiency. Additionally, the device includes an active high control input, making it compatible with microcontroller interfaces.
Its compact, surface-mount package (DPAK) facilitates easy integration into space-constrained designs. Overall, the NCV8450ASTT3G offers a reliable and efficient solution for high-side switching needs, suitable for applications requiring durable and protected load management.
Equivalent
The NCV8450ASTT3G is a smart high-side power switch with protection and diagnostics. Equivalent products include the BTS442E2 from Infineon, VNQ5050AK-E from STMicroelectronics, and the IPS2041RPBF from Infineon (formerly International Rectifier). These alternatives offer similar functionalities like overcurrent protection, thermal shutdown, and diagnostic feedback. Always verify pin configuration and electrical characteristics for compatibility.
Features
The NCV8450ASTT3G is a Smart Discrete device from ON Semiconductor, featuring an integrated high-side MOSFET and control circuitry. Key features include:
1. High-Side Driver: Incorporates a single N-channel MOSFET with a current-sensing feature, suitable for driving resistive, inductive, and capacitive loads.
2. Protection Features: Built-in protection mechanisms such as overcurrent, overtemperature, and ESD protection enhance reliability. It also offers under-voltage lockout.
3. Diagnostic Capability: Provides diagnostic feedback through a status pin, enabling fault detection and system monitoring.
4. Low Standby Current: Designed to minimize power consumption when inactive, supporting energy-efficient applications.
5. Automotive-Grade: Qualified for automotive applications, ensuring robustness and durability under harsh conditions.
6. Compact Package: Available in a compact package, making it suitable for space-constrained applications.
This device is ideal for automotive and industrial applications requiring efficient load control and protection features.
1. High-Side Driver: Incorporates a single N-channel MOSFET with a current-sensing feature, suitable for driving resistive, inductive, and capacitive loads.
2. Protection Features: Built-in protection mechanisms such as overcurrent, overtemperature, and ESD protection enhance reliability. It also offers under-voltage lockout.
3. Diagnostic Capability: Provides diagnostic feedback through a status pin, enabling fault detection and system monitoring.
4. Low Standby Current: Designed to minimize power consumption when inactive, supporting energy-efficient applications.
5. Automotive-Grade: Qualified for automotive applications, ensuring robustness and durability under harsh conditions.
6. Compact Package: Available in a compact package, making it suitable for space-constrained applications.
This device is ideal for automotive and industrial applications requiring efficient load control and protection features.
Pinout
The NCV8450ASTT3G is a single intelligent high-side switch from ON Semiconductor designed for automotive applications. It features a 7-pin package. The primary function of this device is to control power to a load, offering protection and diagnostic features that enhance system reliability. Key features include protection against overcurrent, overtemperature, and short circuits. It also provides diagnostic feedback via a status pin, allowing for real-time monitoring of the load conditions. The device is typically used for driving resistive or inductive loads like lamps, motors, and solenoids in automotive settings.
Manufacturer
The NCV8450ASTT3G is manufactured by ON Semiconductor, now known as onsemi. onsemi is a leading semiconductor company that designs and manufactures a wide range of high-performance, energy-efficient, and market-specific solutions. These solutions are primarily used in automotive, industrial, cloud, and IoT sectors. The company focuses on intelligent power and sensing technologies, providing products that support smart applications and help reduce global energy use.
Application
The NCV8450ASTT3G is a self-protected high-side smart power switch commonly used in automotive and industrial applications. It is suitable for driving and protecting resistive, inductive, and capacitive loads. Key application areas include automotive lighting systems, HVAC controls, power management, motor drives, and electronic control units (ECUs). Its built-in protection features, such as overcurrent, overtemperature, and short-circuit protection, make it ideal for enhancing reliability and safety in these systems. Additionally, it can be used in battery management systems and in various other environments that demand robust and efficient power switching solutions.
Package
The NCV8450ASTT3G is a single-channel protected low-side smart switch in a SOT-223 package type.
