Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2V |
| Voltage-Input(Max) | 15V |
| Voltage-Output(Min/Fixed) | 1.2V |
| Voltage-Output(Max) | 5.5V |
| Current-Output | 75mA |
| Frequency-Switching | Up to 800kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-8 |
Tổng quan
Description
The TPS62120DCNR is a high-efficiency, synchronous step-down converter from Texas Instruments, designed for low-power applications. It operates with an input voltage range of 2 V to 15 V, making it versatile for various power sources, including batteries and regulated supplies. The device delivers an output current of up to 75 mA, ideal for portable and energy-sensitive devices.
Key features of the TPS62120DCNR include its high efficiency, which can reach up to 96%, thus extending battery life. It also supports a low quiescent current, further enhancing power efficiency. The device incorporates a power-save mode to maintain efficiency at light loads and a soft-start feature to limit inrush current during power-up.
The TPS62120DCNR is housed in a tiny package, making it suitable for compact designs. Its protection features include thermal shutdown, output short-circuit protection, and overcurrent protection, ensuring reliable performance. The device is commonly used in applications like wireless sensors, metering devices, and other battery-operated equipment.
Key features of the TPS62120DCNR include its high efficiency, which can reach up to 96%, thus extending battery life. It also supports a low quiescent current, further enhancing power efficiency. The device incorporates a power-save mode to maintain efficiency at light loads and a soft-start feature to limit inrush current during power-up.
The TPS62120DCNR is housed in a tiny package, making it suitable for compact designs. Its protection features include thermal shutdown, output short-circuit protection, and overcurrent protection, ensuring reliable performance. The device is commonly used in applications like wireless sensors, metering devices, and other battery-operated equipment.
Equivalent
The TPS62120DCNR is a step-down DC-DC converter from Texas Instruments. Equivalent products may include:
1. LTC3105 from Analog Devices: A high-efficiency step-up DC/DC converter.
2. LM3670 from Texas Instruments: A step-down DC-DC converter for low power applications.
3. MAX17244 from Maxim Integrated (now part of Analog Devices): A synchronous step-down converter.
4. RT8010 from Richtek: A low-power step-down converter.
Ensure that the specific requirements such as voltage range, current capacity, and efficiency are met when selecting an alternative.
1. LTC3105 from Analog Devices: A high-efficiency step-up DC/DC converter.
2. LM3670 from Texas Instruments: A step-down DC-DC converter for low power applications.
3. MAX17244 from Maxim Integrated (now part of Analog Devices): A synchronous step-down converter.
4. RT8010 from Richtek: A low-power step-down converter.
Ensure that the specific requirements such as voltage range, current capacity, and efficiency are met when selecting an alternative.
Features
The TPS62120DCNR is a highly efficient, ultra-low power step-down converter from Texas Instruments, designed for applications requiring long battery life. It features a wide input voltage range from 2 V to 15 V, making it suitable for various power sources. The device delivers up to 75 mA output current and offers a high efficiency of up to 96%, which is crucial for battery-powered applications.
Key features include:
- Adjustable output voltage ranging from 0.9 V to 6 V.
- Ultra-low quiescent current of 11 µA, minimizing power consumption during idle states.
- Power Save Mode for improved efficiency at light loads.
- Slew rate controlled switch node for reduced EMI.
- Thermal shutdown and overcurrent protection for enhanced reliability.
- Small SOT-23 package for space-constrained applications.
These features make the TPS62120DCNR an ideal choice for portable devices, medical applications, and energy harvesting systems, where efficient power management and extended battery life are essential.
Key features include:
- Adjustable output voltage ranging from 0.9 V to 6 V.
- Ultra-low quiescent current of 11 µA, minimizing power consumption during idle states.
- Power Save Mode for improved efficiency at light loads.
- Slew rate controlled switch node for reduced EMI.
- Thermal shutdown and overcurrent protection for enhanced reliability.
- Small SOT-23 package for space-constrained applications.
These features make the TPS62120DCNR an ideal choice for portable devices, medical applications, and energy harvesting systems, where efficient power management and extended battery life are essential.
Pinout
The TPS62120DCNR is a step-down converter from Texas Instruments, designed for low-power applications. It comes in a 6-pin package. Here’s a quick overview of the pin functions:
1. EN (Enable): Activating this pin starts the converter. It is used to enable or disable the device.
2. GND (Ground): This pin is the ground reference for the device.
3. SW (Switch): This pin is connected to the inductor and is used to switch the current.
4. VIN (Input Voltage): This pin is the input power supply, accepting a voltage range to power the device.
5. FB (Feedback): This pin is used to set the output voltage through an external resistor divider network.
6. VOS (Output Voltage Sense): This pin is used for sensing the output voltage to maintain regulation.
These functions allow the TPS62120DCNR to efficiently convert input voltage to a lower, stable output voltage suitable for various electronic applications.
1. EN (Enable): Activating this pin starts the converter. It is used to enable or disable the device.
2. GND (Ground): This pin is the ground reference for the device.
3. SW (Switch): This pin is connected to the inductor and is used to switch the current.
4. VIN (Input Voltage): This pin is the input power supply, accepting a voltage range to power the device.
5. FB (Feedback): This pin is used to set the output voltage through an external resistor divider network.
6. VOS (Output Voltage Sense): This pin is used for sensing the output voltage to maintain regulation.
These functions allow the TPS62120DCNR to efficiently convert input voltage to a lower, stable output voltage suitable for various electronic applications.
Manufacturer
The TPS62120DCNR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide range of electronic devices. TI is known for its innovation in analog and embedded processing products, catering to industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is one of the largest semiconductor manufacturers in the world and is headquartered in Dallas, Texas.
Application
The TPS62120DCNR is a step-down converter from Texas Instruments. It is designed for applications requiring efficient power management with ultra-low power consumption. Key application areas include:
1. Battery-powered devices: Ideal for extending battery life in devices like wearable electronics, medical instruments, and portable gadgets.
2. Industrial and IoT sensors: Suitable for powering sensors and modules requiring low power in industrial environments.
3. Energy harvesting systems: Used in applications where power is derived from sources like solar or thermal energy.
4. Personal electronics: Fits well in applications like hearing aids and health monitors due to its compact size and efficiency.
Its adaptability and efficiency make it a versatile choice for low-power, small-footprint applications.
1. Battery-powered devices: Ideal for extending battery life in devices like wearable electronics, medical instruments, and portable gadgets.
2. Industrial and IoT sensors: Suitable for powering sensors and modules requiring low power in industrial environments.
3. Energy harvesting systems: Used in applications where power is derived from sources like solar or thermal energy.
4. Personal electronics: Fits well in applications like hearing aids and health monitors due to its compact size and efficiency.
Its adaptability and efficiency make it a versatile choice for low-power, small-footprint applications.
Package
The TPS62120DCNR is a step-down converter from Texas Instruments, provided in a 6-pin SOT-23 package, specifically termed DCN. This compact package is suitable for space-constrained applications and offers efficient power regulation in battery-powered devices.
