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IC REG BUCK ADJ 3A 20TSSOP
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FabricanteMonolithic Power Systems Inc.
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Peça do Fabricante #MPQ4570GF-AEC1
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Pacote TSSOP-20
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Em Estoque4508
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Especificações
| Atributo | Valor |
| Package / Case | Tube |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 55V |
| Voltage - Output (Min/Fixed) | 1V |
| Voltage - Output (Max) | 49.5V |
| Current - Output | 3A |
| Frequency - Switching | 520kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
The converter offers a programmable switching frequency that can be set between 100kHz and 2.5MHz, allowing for flexibility in design and optimization for efficiency or size constraints. It incorporates a synchronous rectification scheme to enhance efficiency and reduce power losses. The MPQ4570GF-AEC1 also includes various protection features such as over-current protection, thermal shutdown, and under-voltage lockout to ensure robustness and reliability in harsh environments.
Additional features include a soft-start mechanism to minimize inrush current during startup and a power-good indicator to signal proper operation. The device is often used in automotive infotainment systems, telematics, and other in-vehicle electronics where efficient power conversion is crucial.
Equivalent
Features
1. Wide Input Voltage Range: Operates from 3.5V to 36V, making it suitable for various automotive power supply conditions.
2. Output Current: Delivers up to 2A continuous output current, supporting a variety of load requirements.
3. High Efficiency: Features a synchronous rectification design for high efficiency and reduced heat generation.
4. Adjustable Output Voltage: Output can be adjusted to meet specific needs, enhancing flexibility in different applications.
5. Low Quiescent Current: Minimizes power consumption in idle mode, extending battery life.
6. Protection Features: Includes overcurrent protection (OCP), thermal shutdown, and input undervoltage lockout for enhanced safety and reliability.
7. Compact Package: Available in a small, thermally enhanced QFN package, optimizing space in constrained environments.
8. AEC-Q100 Qualified: Meets automotive industry standards, ensuring high quality and reliability for automotive applications.
These features make the MPQ4570GF-AEC1 an ideal choice for automotive power management solutions requiring efficiency, compactness, and durability.
Pinout
1. EN (Enable): Activates the device when high, and shuts it down when low.
2. VIN (Input Voltage): Provides the input supply voltage, can handle a wide input range.
3. SW (Switch Node): Connects to the inductor and provides the switched voltage output.
4. GND (Ground): Ground reference for the circuit.
5. FB (Feedback): Used to set the output voltage via an external resistor network.
6. VCC (Internal Regulator Output): Supplies power to internal circuitry and can be used to power external components.
7. COMP (Compensation): Connects to an external network to stabilize the control loop.
8. BST (Bootstrap): Supplies voltage to the high-side driver.
This configuration provides a compact and efficient solution for automotive power management applications.