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TPS40190DRCR
+NomenclatureIC REG CTRLR BUCK 10SON
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FabricantTexas Instruments
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Pièce fabricant #TPS40190DRCR
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Package SON-10
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En stock2504
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 4.5V ~ 15V |
| Frequency-Switching | 300kHz |
| DutyCycle(Max) | 85% |
| SynchronousRectifier | Yes |
| ClockSync | No |
| ControlFeatures | Enable |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 10-VFDFN Exposed Pad |
Présentation
Description
Equivalent
1. LM2743 by Texas Instruments: A synchronous buck controller with similar functionalities.
2. TPS5430 by Texas Instruments: An integrated buck converter, suitable for similar applications.
3. ADP1864 by Analog Devices: A step-down DC-DC controller with comparable features.
4. MAX15035 by Maxim Integrated: A synchronous buck controller for similar uses.
Ensure compatibility with your specific application by checking the datasheets.
Features
1. Wide Input Voltage Range: It operates from 2.5 V to 5.5 V, making it suitable for various power supply designs.
2. Adjustable Output: The device supports adjustable output voltages, allowing flexibility in power supply configurations.
3. High Efficiency: By supporting synchronous rectification, it offers high efficiency, crucial for battery-powered and energy-sensitive applications.
4. Integrated MOSFET Drivers: This feature simplifies the design process and reduces the need for external components.
5. Fixed Frequency Operation: The controller operates at a fixed frequency, enhancing predictability and reducing electromagnetic interference (EMI).
6. Programmable Soft Start: It includes a programmable soft-start capability to prevent inrush currents during start-up.
7. Current Limit Protection: The device offers protection features, including cycle-by-cycle current limit, to enhance reliability and safety.
8. Small Package Size: Available in a 10-pin VSON package, the TPS40190DRCR is compact, making it ideal for space-constrained applications.
These features make it suitable for use in point-of-load applications, telecommunications, and networking equipment.
Pinout
1. VIN: Input voltage supply.
2. BP: Bypass capacitor connection for internal 5V regulator.
3. EN: Enable input for the controller.
4. SS: Soft-start control to limit inrush current during startup.
5. RT: Resistor timing input to set the switching frequency.
6. GND: Ground connection.
7. ILIM: Current limit setting.
8. FB: Feedback input for voltage regulation.
9. COMP: Compensation point for loop stability.
10. SW: Switch node, connected to the inductor.
These pins together facilitate the control and regulation of a DC-DC buck converter, allowing for efficient voltage regulation and power management.
Manufacturer
Application
1. Computing Systems: Power management for CPUs, GPUs, and memory modules.
2. Telecommunications: Voltage regulation in network switches and routers.
3. Consumer Electronics: Power supply for devices like set-top boxes and gaming consoles.
4. Industrial Equipment: Motor drives and control systems.
5. Embedded Systems: Microcontroller and FPGA power supply.
6. Point-of-Load Converters: High-performance electronics with compact power needs.
Its features make it suitable for systems requiring precise voltage regulation and high efficiency.