Overview
The NCV47822PAAJR2G is a dual-channel High Side Switch (HSS) designed by ON Semiconductor for use in harsh automotive environments. This device is part of the AEC-Q100 Grade 1 qualified and PPAP capable series, ensuring high reliability and compliance with automotive standards. It features adjustable current limits, extensive diagnostic capabilities, and robust protection mechanisms, making it suitable for a variety of automotive applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage (DC) | -42 | 45 | V | |
| Input Voltage (Load Dump - Suppressed) | 60 | V | ||
| Output Current per Channel | 250 | mA | ||
| Adjustable Current Limit | 10 | 350 | mA | |
| Junction Temperature | -40 | 150 | °C | |
| Thermal Shutdown Temperature | 150 | 175 | 195 | °C |
| Enable Input Threshold Voltage (Logic Low) | 0.99 | 1.8 | 2.31 | V |
| Enable Input Current | 2 | 7 | 20 | μA |
| Turn On Time from Enable ON to Vout | 25 | μs |
Key Features
- Adjustable Current Limits: Up to 350 mA, adjustable by resistor connected to the CSO pin.
- Protection Features: Current limitation, thermal shutdown, reverse input voltage, and reverse bias voltage protection.
- Diagnostic Features: Short to battery (STB) and open load (OL) diagnostics in OFF state, internal components for OFF state diagnostics, open collector flag output, and two output voltage monitoring outputs (analog).
- Enable Inputs: Two independent enable inputs (3.3 V logic compatible) to control each channel.
- Current Sense Feature: Integrated current sense feature provides diagnosis and system protection functionality.
- Compliance: AEC-Q100 Grade 1 qualified, PPAP capable, Pb-free, halogen-free/BFR-free, and RoHS compliant.
Applications
- Audio and Infotainment Systems: Suitable for powering audio amplifiers and other infotainment components in vehicles.
- Active Safety Systems: Used in safety-critical systems such as lane departure warning, blind spot detection, and other advanced driver-assistance systems (ADAS).
Q & A
- What is the maximum output current per channel of the NCV47822PAAJR2G?
The maximum output current per channel is up to 250 mA.
- How can the current limit be adjusted on the NCV47822PAAJR2G?
The current limit can be adjusted by a resistor connected to the CSO pin for each channel.
- What protection features are included in the NCV47822PAAJR2G?
The device includes current limitation, thermal shutdown, reverse input voltage, and reverse bias voltage protection.
- What diagnostic features are available on the NCV47822PAAJR2G?
The device features short to battery (STB) and open load (OL) diagnostics in the OFF state, internal components for OFF state diagnostics, an open collector flag output, and two output voltage monitoring outputs (analog).
- What is the thermal shutdown temperature of the NCV47822PAAJR2G?
The thermal shutdown temperature is typically 175°C, with a range of 150°C to 195°C.
- Is the NCV47822PAAJR2G compliant with automotive standards?
Yes, it is AEC-Q100 Grade 1 qualified and PPAP capable.
- What is the input voltage range for the NCV47822PAAJR2G?
The input voltage range is from 4.4 V to 40 V.
- How many enable inputs does the NCV47822PAAJR2G have?
The device has two independent enable inputs (3.3 V logic compatible).
- What is the purpose of the CSO pin on the NCV47822PAAJR2G?
The CSO pin is used for current sense and diagnostic purposes, with the voltage on this pin being proportional to the output current.
- What package type is the NCV47822PAAJR2G available in?
The device is available in a TSSOP-14 exposed pad package.
