規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | DCS-Control™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3V |
| Voltage - Input (Max) | 17V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Current - Output | 1A |
| Frequency - Switching | 2.25MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The TPS62161DSGR is a high-efficiency synchronous step-down DC-DC converter from Texas Instruments. It is designed for applications requiring a compact size and high power efficiency, making it an ideal choice for battery-powered devices. The device operates with an input voltage range of 3V to 17V, and it can provide an adjustable output voltage down to 0.9V with a maximum output current of 1A.
The TPS62161DSGR features a high switching frequency of 2.25MHz, which allows the use of small inductors and capacitors, contributing to a smaller overall solution size. It also includes a Power Save Mode for improved efficiency at light loads and features an output discharge function, thermal shutdown, and overcurrent protection for enhanced reliability.
The converter is available in a small 8-pin VSON package, which helps in minimizing space on the PCB. This device is commonly used in applications such as industrial automation, portable electronics, and distributed power systems, where efficiency and space savings are critical design considerations.
The TPS62161DSGR features a high switching frequency of 2.25MHz, which allows the use of small inductors and capacitors, contributing to a smaller overall solution size. It also includes a Power Save Mode for improved efficiency at light loads and features an output discharge function, thermal shutdown, and overcurrent protection for enhanced reliability.
The converter is available in a small 8-pin VSON package, which helps in minimizing space on the PCB. This device is commonly used in applications such as industrial automation, portable electronics, and distributed power systems, where efficiency and space savings are critical design considerations.
Equivalent
The TPS62161DSGR is a step-down converter from Texas Instruments. Equivalent products from other manufacturers include:
1. LMR33630 from Texas Instruments
2. MP2112 from Monolithic Power Systems
3. LTC3621 from Analog Devices
4. RT8059 from Richtek
5. AP63300 from Diodes Incorporated
These alternatives offer similar functionality in terms of input voltage range, output current capability, and package size, but always verify specific requirements for compatibility.
1. LMR33630 from Texas Instruments
2. MP2112 from Monolithic Power Systems
3. LTC3621 from Analog Devices
4. RT8059 from Richtek
5. AP63300 from Diodes Incorporated
These alternatives offer similar functionality in terms of input voltage range, output current capability, and package size, but always verify specific requirements for compatibility.
Features
The TPS62161DSGR is a high-efficiency, synchronous step-down DC-DC converter from Texas Instruments. Key features include:
1. Output Current: Capable of delivering up to 1A continuous output current.
2. Input Voltage Range: Operates over a wide input voltage range of 3V to 17V.
3. Efficiency: High efficiency of up to 95% for optimal power management.
4. Adjustable Output Voltage: Output voltage can be set between 0.9V and 6V using external resistors.
5. Switching Frequency: Operates with a fixed frequency of 2.25MHz, allowing for a compact design due to smaller external components.
6. Low Quiescent Current: Features low quiescent current of 17µA during operation, aiding in power conservation.
7. Internal Compensation and Soft Start: Simplifies design and ensures reliable startup.
8. Protection Features: Includes overcurrent protection (OCP) and thermal shutdown for enhanced safety.
9. Package: Available in a compact 8-pin VSSOP package, suitable for space-constrained applications.
These features make the TPS62161DSGR ideal for battery-powered applications requiring high efficiency and compact design.
1. Output Current: Capable of delivering up to 1A continuous output current.
2. Input Voltage Range: Operates over a wide input voltage range of 3V to 17V.
3. Efficiency: High efficiency of up to 95% for optimal power management.
4. Adjustable Output Voltage: Output voltage can be set between 0.9V and 6V using external resistors.
5. Switching Frequency: Operates with a fixed frequency of 2.25MHz, allowing for a compact design due to smaller external components.
6. Low Quiescent Current: Features low quiescent current of 17µA during operation, aiding in power conservation.
7. Internal Compensation and Soft Start: Simplifies design and ensures reliable startup.
8. Protection Features: Includes overcurrent protection (OCP) and thermal shutdown for enhanced safety.
9. Package: Available in a compact 8-pin VSSOP package, suitable for space-constrained applications.
These features make the TPS62161DSGR ideal for battery-powered applications requiring high efficiency and compact design.
Pinout
The TPS62161DSGR is a step-down converter IC from Texas Instruments. It typically comes in an 8-pin WSON (DSG) package. Here is a brief overview of its pin functions:
1. SW (Pin 1): Switch Node - Connect this to the inductor.
2. VIN (Pin 2): Input Voltage - Connect the input supply voltage here.
3. EN (Pin 3): Enable - This pin is used to enable or disable the IC.
4. GND (Pin 4 and Tab): Ground - Connect this to the system ground.
5. FB (Pin 5): Feedback - Connect this to the output voltage divider.
6. NC (Pin 6): No Connection - Not internally connected.
7. PG (Pin 7): Power Good - An open-drain output used to indicate the status of the output voltage.
8. VOS (Pin 8): Output Voltage Sense - Used for voltage sensing directly at the output capacitor.
These functions facilitate efficient voltage conversion while maintaining a compact form factor suitable for various applications. Always refer to the datasheet for detailed specifications and guidelines.
1. SW (Pin 1): Switch Node - Connect this to the inductor.
2. VIN (Pin 2): Input Voltage - Connect the input supply voltage here.
3. EN (Pin 3): Enable - This pin is used to enable or disable the IC.
4. GND (Pin 4 and Tab): Ground - Connect this to the system ground.
5. FB (Pin 5): Feedback - Connect this to the output voltage divider.
6. NC (Pin 6): No Connection - Not internally connected.
7. PG (Pin 7): Power Good - An open-drain output used to indicate the status of the output voltage.
8. VOS (Pin 8): Output Voltage Sense - Used for voltage sensing directly at the output capacitor.
These functions facilitate efficient voltage conversion while maintaining a compact form factor suitable for various applications. Always refer to the datasheet for detailed specifications and guidelines.
Manufacturer
The TPS62161DSGR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits. Their products are used in various applications, including industrial, automotive, personal electronics, and communications equipment. The company is well-known for its innovation in analog and embedded processing technologies, which form the core of many electronic devices. TI is headquartered in Dallas, Texas, and operates globally, providing solutions that help make electronics more affordable and accessible.
Application
The TPS62161DSGR is a step-down DC-DC converter designed for high-efficiency power supply applications. It is commonly used in areas such as telecommunications, industrial automation, consumer electronics, and automotive systems. Specifically, it serves applications that require efficient power management, such as powering microcontrollers, sensors, and other low-voltage digital circuits. Its compact size and high efficiency make it ideal for portable devices, battery-powered applications, and distributed power systems. Additionally, it is suitable for use in medical devices and networking equipment where stable power supply with minimal heat generation is crucial.
Package
The TPS62161DSGR is a DC-DC step-down converter from Texas Instruments, housed in a small 8-pin WSON (DSG) package. This compact package type is designed to optimize thermal performance and is suitable for space-constrained applications.
