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Applications:
VNQ660SP-E is commonly used in automotive applications, such as automotive lighting control, motor control, and power distribution systems. It is also appropriate for a variety of industrial applications that call for load control and high-side switching.
Key Features:
- VNQ660SP-E features four high-side outputs (Ch1 to Ch4) that can handle high current and voltage levels to control various loads.
- The chip is equipped with built-in protection features like overcurrent protection, thermal shutdown, and open-load detection for enhanced safety and reliability.
- It offers low quiescent current and low standby current consumption to minimize power dissipation.
Example Circuit: Automotive Lighting Control
Let's consider an example circuit using VNQ660SP-E to control automotive lighting:
1. Load Connection:
- Connect the positive terminal of the automotive lighting (e.g., incandescent bulbs or LED lamps) to one of the high-side output channels (Ch1 to Ch4) of VNQ660SP-E.
- Connect the negative terminal of the automotive lighting to the automotive ground (GND).
2. Control Signals Connection:
- Connect the control signal (e.g., from a microcontroller or switch) to the Input pin (IN) of VNQ660SP-E.
- Apply a high-level voltage (e.g., 5V) to the IN pin to activate the respective high-side output channel and turn on the automotive lighting.
3. Power Supply Connection:
- Connect the VCC pin of VNQ660SP-E to the positive terminal of the car's battery (VBAT).
- Connect the GND pin of VNQ660SP-E to the automotive ground (GND).
4. Protection and Diagnostic Connection:
- Connect the thermal shutdown output pin (TSD) to a diagnostic circuit to monitor the IC's temperature.
- Connect the overcurrent output pin (OCP) to a diagnostic circuit to monitor the load's current.
Design Considerations:
When designing the automotive lighting control circuit with VNQ660SP-E, consider the following points:
1. Load Current and Voltage: Ensure that VNQ660SP-E is current and voltage ratings match the requirements of the automotive lighting being controlled.
2. Heat Dissipation: Consider the power dissipation of VNQ660SP-E and the load during operation to avoid overheating.
3. Protection Circuits: Implement additional protection circuits as required to safeguard the IC, loads, and the overall system from overcurrent, overtemperature, and other faults.
4. Driving Capability: Consider the driving capability of VNQ660SP-E to ensure it can effectively drive the loads, especially inductive loads, without voltage spikes or current transients.
In summary, VNQ660SP-E is a high-side driver IC used for controlling various loads in automotive and industrial applications. When designing the circuit, considerations should be given to load current and voltage, heat dissipation, protection circuits, and driving capability for reliable and safe load control.
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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of VNQ660SP-E.
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(1)Inform us within 90 days
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