NCV7703D2R2G

Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High voltage capability - Low quiescent current - Overvoltage protection - Thermal shutdown protection - Short-circuit protection

Package: D2PAK-7

Essence: The NCV7703D2R2G is a power management IC designed for automotive applications. It provides high voltage capability and various protection features to ensure reliable operation in harsh environments.

Packaging/Quantity: The NCV7703D2R2G is available in a D2PAK-7 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 0.8V to 37V
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Overvoltage Protection Threshold: 45V (typical)
• Thermal Shutdown Temperature: 150°C (typical)
• Short-Circuit Protection: Yes

Pin Configuration

The NCV7703D2R2G has the following pin configuration:

_______ | | IN1| |OUT1 IN2| |OUT2 GND| |EN IN3| |FB |_______|

Functional Features

1. High Voltage Capability: The NCV7703D2R2G can handle input voltages up to 40V, making it suitable for automotive applications where high voltage spikes may occur.

2. Low Quiescent Current: With a typical quiescent current of only 50µA, the NCV7703D2R2G minimizes power consumption when the load is light.

3. Overvoltage Protection: The IC incorporates overvoltage protection, which safeguards the connected circuitry from voltage spikes above the specified threshold (typically 45V).

4. Thermal Shutdown Protection: To prevent overheating, the NCV7703D2R2G features a thermal shutdown mechanism that activates when the junction temperature reaches the specified threshold (typically 150°C).

5. Short-Circuit Protection: The IC includes short-circuit protection to prevent damage in case of a short circuit on the output.

Advantages and Disadvantages

Advantages: - High voltage capability ensures compatibility with automotive applications. - Low quiescent current reduces power consumption. - Overvoltage protection safeguards connected circuitry. - Thermal shutdown protection prevents overheating. - Short-circuit protection prevents damage in case of a short circuit.

Disadvantages: - Limited output voltage range (0.8V to 37V). - May not be suitable for applications requiring higher output voltages.

Working Principles

The NCV7703D2R2G is a voltage regulator IC that regulates the input voltage to a desired output voltage. It utilizes internal circuitry to maintain a stable output voltage even when the input voltage or load conditions vary.

The IC continuously monitors the output voltage through the feedback pin (FB) and adjusts the internal circuitry accordingly to maintain the desired output voltage. It also incorporates various protection mechanisms, such as overvoltage protection, thermal shutdown, and short-circuit protection, to ensure safe and reliable operation.

Application Field Plans

The NCV7703D2R2G is primarily designed for automotive applications, where it can be used in various power management tasks. Some potential application fields include:

1. Automotive Lighting Systems: The IC can be used to regulate the voltage for automotive lighting systems, ensuring stable and reliable operation.

2. Motor Control: The NCV7703D2R2G can be employed in motor control applications, providing regulated power to drive motors efficiently.

3. Battery Management Systems: It can be utilized in battery management systems to regulate the charging voltage and protect the battery from overvoltage conditions.

4. Power Distribution Modules: The IC can be integrated into power distribution modules to regulate voltages for different components within the vehicle.

Alternative Models

1. NCV7703D2R2G-ADJ: Similar to the NCV7703D2R2G, but with an adjustable output voltage range.
2. NCV7703D2R2G-5V0: Variant with a fixed output voltage of 5V.
3. NCV7703D2R2G-12V: Variant with a fixed output voltage of 12V.
4. NCV7703D2R2G-24V: Variant with a fixed output voltage of 24V.

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