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NCV887302D1R2G
+Lista de MateriaisAUTOMOTIVE SWITCHER
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Fabricanteonsemi
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Peça do Fabricante #NCV887302D1R2G
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Pacote SOIC-8
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Em Estoque3129
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up |
| OutputConfiguration | Positive |
| Topology | Boost |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 3.2V ~ 40V |
| Frequency-Switching | 400kHz |
| DutyCycle(Max) | 92.5% |
| SynchronousRectifier | No |
| ClockSync | Yes |
| ControlFeatures | Current Sense, Enable |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Visão Geral
Description
Key features of the NCV887302D1R2G include its ability to handle high switching frequencies up to 2.2 MHz, which allows for smaller external components and reduced overall design size. It also offers a programmable soft-start function to prevent inrush current during startup. The controller is primarily used in environments where space and efficiency are critical concerns, such as in automotive lighting, infotainment systems, and advanced driver-assistance systems (ADAS).
Overall, the NCV887302D1R2G is a versatile and efficient solution for boosting voltage in demanding automotive applications.
Equivalent
1. TI's LM5155: A high-performance boost/SEPIC controller.
2. Maxim Integrated's MAX16990: A boost controller with advanced features.
3. Microchip's MCP1650: A boost controller with similar functionalities.
When selecting alternatives, ensure compatibility in terms of specifications like input voltage range, switching frequency, and thermal characteristics for your specific application.
Features
1. Wide Input Voltage Range: It operates efficiently across a broad range of input voltages, making it suitable for various automotive battery conditions.
2. Output Voltage Regulation: The device provides precise output voltage regulation, ensuring stable and reliable performance.
3. Low Quiescent Current: It is designed to consume minimal power during standby, which is crucial for preserving battery life in automotive environments.
4. Programmable Soft-Start: The soft-start feature allows for controlled ramp-up of the output voltage, minimizing inrush current during startup.
5. Frequency Synchronization: The controller can synchronize with an external clock, enabling flexibility in switching frequency management.
6. Protection Features: It includes several protection mechanisms such as overvoltage protection, undervoltage lockout, and thermal shutdown to ensure robust operation and safety.
7. AEC-Q100 Qualified: Being AEC-Q100 qualified, it meets the rigorous standards required for automotive components, ensuring reliability and longevity.
These features make the NCV887302D1R2G well-suited for use in automotive power supply designs.
Pinout
1. COMP (Pin 1): Error amplifier compensation pin, used for stability and performance tuning.
2. FB (Pin 2): Feedback pin for voltage regulation, connected to a resistor divider from the output voltage.
3. CS (Pin 3): Current sense pin, used to monitor the current through an external sense resistor.
4. GATE (Pin 4): Gate drive output for the external power MOSFET.
5. GND (Pin 5): Ground reference for the device.
6. N/C (Pin 6): No connect, typically not internally connected.
7. EN/SYNC (Pin 7): Enable and synchronization pin, used to turn the device on/off or synchronize with an external clock.
8. VCC (Pin 8): Supply voltage pin for the internal circuitry.
These pins support the device's function as a boost controller, managing the conversion from a lower input voltage to a higher output voltage efficiently.
Manufacturer
Application
1. Automotive Power Supply Systems: It is used for boosting battery voltage to power various automotive subsystems.
2. LED Lighting: It can drive LED strings by providing a constant output voltage.
3. DC-DC Conversion: Useful in systems requiring voltage step-up from battery levels.
4. Infotainment Systems: Powers components that need higher voltages.
5. Electric and Hybrid Vehicles: Assists in managing the power distribution efficiently.
Overall, it's ideal for systems needing robust power management and efficiency in automotive environments.