Overview
The NCV8461DR2G, produced by onsemi, is a fully protected High-Side driver designed to switch a wide variety of loads, including bulbs, solenoids, and other activators. This device is internally protected with features such as active current limit, thermal shutdown, and overvoltage protection, ensuring robust and reliable operation. The NCV8461DR2G is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and industrial applications. It also offers low standby current and reverse battery protection, enhancing its versatility and safety.
Key Specifications
| Parameter | Symbol | Value | Unit | Conditions |
|---|---|---|---|---|
| DC Supply Voltage | VD | −16 to 40 | V | |
| Peak Transient Input Voltage | Vpeak | 52 | V | Load Dump 38 V, VD = 14 V, ISO7637−2 pulse5 |
| Input Voltage | Vin | −10 to 16 | V | |
| Output Current | Iout | Internally Limited | A | |
| Operating Junction Temperature | TJ | −40 to 150 | °C | |
| On Resistance | RON | 250 to 700 | mΩ | Iout = 0.3 A; 6 V < VD < 40 V, TJ = 25°C to 150°C |
| Standby Current | ID | 1.7 to 35 | μA | Off State, Vin = Vout = 0 V; On State, Vin = 5 V, Iout = 0 A |
| Input Voltage - Low | Vin_low | 0.8 | V | |
| Input Voltage - High | Vin_high | 2.2 | V | |
| Turn-On Delay Time | td_on | 140 | μs | to 90% Vout, RL = 47 Ω |
| Turn-Off Delay Time | td_off | 170 | μs | to 10% Vout, RL = 47 Ω |
Key Features
- Short Circuit Protection: Protects against short circuit conditions.
- Thermal Shutdown with Automatic Restart: Shuts down the device in case of overheating and restarts once the temperature drops.
- CMOS (3 V / 5 V) Compatible Control Input: Compatible with standard CMOS logic levels.
- Off State Open Load Detection: Detects open load conditions when the device is in the off state.
- Open Drain Diagnostic Output: Provides diagnostic information through an open drain output.
- Overvoltage Protection: Protects against overvoltage conditions up to 41 V.
- Undervoltage Shutdown: Shuts down the device if the supply voltage drops below a certain threshold.
- Loss of Ground and Loss of VD Protection: Protects against loss of ground and supply voltage.
- ESD Protection: Protects against electrostatic discharge.
- Reverse Battery Protection: Protects against reverse battery conditions up to 32 V with an external resistor.
- Very Low Standby Current: Minimizes power consumption in standby mode.
Applications
- Switching a Variety of Loads: Suitable for switching resistive, inductive, and capacitive loads.
- Replacing Electromechanical Relays and Discrete Circuits: Can replace traditional relays and discrete circuits in many applications.
- Automotive and Industrial Applications: AEC-Q100 qualified and PPAP capable, making it suitable for automotive and industrial use.
Q & A
- What is the NCV8461DR2G used for?
The NCV8461DR2G is used to switch a wide variety of loads such as bulbs, solenoids, and other activators.
- What are the key protection features of the NCV8461DR2G?
The device features short circuit protection, thermal shutdown with automatic restart, overvoltage protection, undervoltage shutdown, and reverse battery protection among others.
- What is the operating voltage range of the NCV8461DR2G?
The operating voltage range is from 5 V to 34 V.
- What is the maximum on resistance of the NCV8461DR2G?
The maximum on resistance is 700 mΩ at TJ = 150°C.
- How does the NCV8461DR2G handle thermal shutdown?
The device shuts down in case of overheating and automatically restarts once the temperature drops.
- What is the purpose of the diagnostic output in the NCV8461DR2G?
The diagnostic output provides information about the device's status, including open load conditions and thermal shutdown.
- Is the NCV8461DR2G suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and industrial applications.
- How does the NCV8461DR2G protect against reverse battery conditions?
The device provides reverse battery protection up to 32 V with the use of an external resistor in the GND path.
- What is the typical standby current of the NCV8461DR2G?
The typical standby current is 1.7 μA.
- What are the typical turn-on and turn-off delay times of the NCV8461DR2G?
The turn-on delay time is 140 μs, and the turn-off delay time is 170 μs.
