規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Up |
| OutputConfiguration | Positive |
| Topology | Boost |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 0.7V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 1.8V |
| Voltage-Output(Max) | 6V |
| Current-Output | 200mA (Switch) |
| Frequency-Switching | Up to 2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 6-TSSOP, SC-88, SOT-363 |
概述
Description
The TPS61220DCKR is a step-up DC-DC boost converter from Texas Instruments designed to provide a regulated output voltage from a lower input voltage source. It is particularly useful in battery-operated and portable devices where efficiency and size are critical. The device supports input voltages as low as 0.7V and can deliver an output current of up to 75 mA with high efficiency, making it ideal for single-cell alkaline, NiMH, or Li-ion battery applications.
Key features include a low quiescent current of 5 µA, synchronous rectification for improved efficiency, and a load disconnect function to prevent battery drain when the device is off. Its small 2x2 mm SC-70 (DCK) package makes it suitable for space-constrained applications. Additionally, the TPS61220DCKR offers features like thermal shutdown and overcurrent protection, enhancing its reliability. Its simple design requires minimal external components, making it easy to integrate into various applications. These features make the TPS61220DCKR a versatile choice for boosting low input voltages to the desired output level efficiently.
Key features include a low quiescent current of 5 µA, synchronous rectification for improved efficiency, and a load disconnect function to prevent battery drain when the device is off. Its small 2x2 mm SC-70 (DCK) package makes it suitable for space-constrained applications. Additionally, the TPS61220DCKR offers features like thermal shutdown and overcurrent protection, enhancing its reliability. Its simple design requires minimal external components, making it easy to integrate into various applications. These features make the TPS61220DCKR a versatile choice for boosting low input voltages to the desired output level efficiently.
Equivalent
Equivalent products to the TPS61220DCKR, which is a low-input voltage boost converter by Texas Instruments, include:
1. LTC3105 by Analog Devices: Offers similar functionality with integrated MPPT.
2. MAX17222 by Maxim Integrated: Features ultra-low quiescent current.
3. NCP1402 by ON Semiconductor: Known for low start-up voltage.
4. MIC2288 by Microchip: Provides compact boost conversion.
5. AP3012 by Diodes Incorporated: Offers low quiescent current and high efficiency.
These alternatives vary in specific features like efficiency, output current, and package type.
1. LTC3105 by Analog Devices: Offers similar functionality with integrated MPPT.
2. MAX17222 by Maxim Integrated: Features ultra-low quiescent current.
3. NCP1402 by ON Semiconductor: Known for low start-up voltage.
4. MIC2288 by Microchip: Provides compact boost conversion.
5. AP3012 by Diodes Incorporated: Offers low quiescent current and high efficiency.
These alternatives vary in specific features like efficiency, output current, and package type.
Features
The TPS61220DCKR is a high-efficiency step-up converter from Texas Instruments. Key features include:
1. Wide Input Voltage Range: Operates from 0.7V to 5.5V, suitable for single-cell battery applications.
2. Adjustable Output Voltage: Provides output voltages from 1.8V to 5.5V, supporting various applications.
3. High Efficiency: Delivers up to 95% efficiency, optimizing battery life.
4. Low Start-Up Voltage: Starts at 0.7V, enabling operation from low battery voltages.
5. Low Quiescent Current: Consumes only 10µA during operation, minimizing power usage during standby.
6. Automatic Transitions: Seamlessly switches between boost and pass-through modes to maintain efficiency.
7. Small Footprint: Available in a small 6-pin SC70 package, suitable for space-constrained designs.
8. Protection Features: Includes over-temperature and short-circuit protection, enhancing device reliability.
9. Fixed Switching Frequency: Operates at 1MHz frequency, allowing the use of small external components.
These features make the TPS61220DCKR a versatile solution for portable, battery-powered applications requiring efficient voltage boosting.
1. Wide Input Voltage Range: Operates from 0.7V to 5.5V, suitable for single-cell battery applications.
2. Adjustable Output Voltage: Provides output voltages from 1.8V to 5.5V, supporting various applications.
3. High Efficiency: Delivers up to 95% efficiency, optimizing battery life.
4. Low Start-Up Voltage: Starts at 0.7V, enabling operation from low battery voltages.
5. Low Quiescent Current: Consumes only 10µA during operation, minimizing power usage during standby.
6. Automatic Transitions: Seamlessly switches between boost and pass-through modes to maintain efficiency.
7. Small Footprint: Available in a small 6-pin SC70 package, suitable for space-constrained designs.
8. Protection Features: Includes over-temperature and short-circuit protection, enhancing device reliability.
9. Fixed Switching Frequency: Operates at 1MHz frequency, allowing the use of small external components.
These features make the TPS61220DCKR a versatile solution for portable, battery-powered applications requiring efficient voltage boosting.
Pinout
The TPS61220DCKR is a boost converter IC developed by Texas Instruments. It is typically housed in a 6-pin SC-70 package. The main function of this device is to convert a lower input voltage to a higher output voltage, making it ideal for applications requiring efficient step-up voltage conversion.
Here is a brief overview of its pin functions:
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground connection.
3. EN (Pin 3): Enable pin to turn the device on or off.
4. VOUT (Pin 4): Output voltage pin.
5. L (Pin 5): Connection for the inductor.
6. FB (Pin 6): Feedback pin for setting the output voltage.
The TPS61220DCKR is designed for applications such as portable devices and battery-operated products, where efficiency and compact size are desired.
Here is a brief overview of its pin functions:
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground connection.
3. EN (Pin 3): Enable pin to turn the device on or off.
4. VOUT (Pin 4): Output voltage pin.
5. L (Pin 5): Connection for the inductor.
6. FB (Pin 6): Feedback pin for setting the output voltage.
The TPS61220DCKR is designed for applications such as portable devices and battery-operated products, where efficiency and compact size are desired.
Manufacturer
The TPS61220DCKR is manufactured by Texas Instruments. Texas Instruments is a global technology company that designs and produces semiconductors and various integrated circuits. These components are used in a wide range of electronic devices and systems. Texas Instruments operates in multiple sectors, including industrial, automotive, personal electronics, and communications. The company is known for its innovation in analog and embedded processing technologies, providing solutions that help customers manage power, control processes, and process data efficiently.
Application
The TPS61220DCKR is a boost converter specifically designed for low-power applications. Key application areas include battery-powered devices such as wearable electronics, medical instruments, wireless sensors, and portable consumer products. It is ideal for devices requiring a stable power supply from a single-cell alkaline, NiMH, or lithium battery. This component is also used in energy harvesting systems due to its ability to operate at very low input voltages and high efficiency. Its compact size makes it suitable for space-constrained applications. Additionally, the TPS61220DCKR is utilized in devices needing low standby current and fast transient response to enhance overall power management and battery life.
Package
The TPS61220DCKR is a Texas Instruments boost converter, and it is available in a 6-pin SC-70 package. This compact package is suitable for applications requiring small form factor electronic components.
