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LM5140QRWGRQ1
DUAL SYNCHRONOUS BUCK CONTROLLER
- Fabricante
- Mfr. Parte #LM5140QRWGRQ1
- Paquete
- Hoja de datos LM5140QRWGRQ1 DataSheet
- En stock8494
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Especificaciones
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 2 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 3.8V ~ 65V |
| Frequency - Switching | 440kHz, 2.2MHz |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount, Wettable Flank |
| Package / Case | 40-VFQFN Exposed Pad |
| Supplier Device Package | 40-VQFNP (6x6) |
| Base Product Number | LM5140 |
| Grade | Automotive |
| Qualification | AEC-Q100 |
Descripción general
Description
Key features of the LM5140 include a dual-phase architecture that enables high output current capability while maintaining compact design. It offers adjustable switching frequency, extensive protection features (such as overcurrent, thermal shutdown, and under-voltage lockout), and a flexible control scheme. The device is designed to meet stringent automotive standards, making it suitable for critical applications that require reliability and performance under harsh conditions.
Overall, the LM5140QRWGRQ1 is a versatile solution for designers looking to implement efficient and reliable power conversion in automotive systems.
Features
1. Wide Input Voltage Range: Operates from 4.5V to 60V, accommodating various automotive power systems.
2. High Efficiency: Supports PWM operation for efficient power conversion, minimizing heat generation.
3. Adaptive On-Time Control: Ensures stable operation across a wide range of output voltages and load conditions.
4. Integrated Gate Drivers: Features high-side and low-side MOSFET drivers for optimal switching performance.
5. Fault Protection: Includes features like over-voltage protection, under-voltage lockout, and thermal shutdown to enhance reliability.
6. Adjustable Switching Frequency: Allows flexibility in design to meet specific application requirements.
7. Phase Spread: Supports multi-phase operation to improve efficiency and reduce output ripple.
8. Automotive Grade: AEC-Q100 qualified, ensuring robustness for automotive environments.
These features make the LM5140QRWGRQ1 suitable for powering various automotive systems, including infotainment, ADAS, and electric vehicle applications.
Package
Pinout
Key functions include:
1. Dual Buck Control: It supports dual-channel output for efficient power conversion.
2. Voltage Regulation: Provides precise output voltage regulation suitable for various loads.
3. Sync and Phase Control: Allows for phase interleaving to improve efficiency and reduce ripple.
4. Compensation Network: Integrated compensation simplifies design and enhances stability.
5. Programmable Design Features: Features like programmable switching frequency and adjustable soft-start for flexibility in design.
6. Protection Features: Includes over-voltage protection, under-voltage lockout, and thermal shutdown for reliable operation.
These features make the LM5140QRWGRQ1 suitable for automotive applications requiring efficient and reliable power management.
Manufacturer
Application
Equivalent
1. LM5140-Q1 (automotive grade)
2. LT8640 (from Analog Devices)
3. TPS561201 (from Texas Instruments)
4. ISL8273 (from Renesas)
5. LTC3780 (from Analog Devices)
Always verify specifications and compatibility for your specific application.
Envío
Métodos de envíoNosotros
ofrecer servicios de envío globales a través de DHL, FedEx, TNT, UPS, o cualquier otro expediente de su elección.
Referencia de tarifas de envío (DHL/FedEx):
DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.
FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.
Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.
Pagos
Payment Methods
El plazo de pago es 100% prepagado.
Actualmente, solo aceptamos los siguientes métodos de pago:
1. de PayPal
2. Tarjeta de crédito/débito
3. Transferencia bancaria
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