사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2.4V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 4V |
| Current-Output | 1A |
| Frequency-Switching | 2.2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-VFDFN |
개요
Description
The TPS62821DLCR is a high-efficiency, step-down voltage regulator from Texas Instruments. It is part of the TPS6282x family, optimized for applications that require a compact power solution with minimal ripple and noise. This device features an input voltage range of 2.4V to 5.5V, making it suitable for applications powered by a single lithium-ion cell or standard 5V rail.
Key characteristics include its ability to deliver up to 1A of continuous output current, with a selectable output voltage through external resistors. It operates with a fixed frequency of 2.2 MHz, allowing for smaller external components and a compact overall design. The TPS62821DLCR also features an efficient mode of operation, maintaining high efficiency over a wide load range.
Additional features include an enable pin for power sequencing, internal soft start for reduced inrush current, and protection mechanisms such as short-circuit and thermal shutdown. Its small size and SOT-563 package make it ideal for space-constrained applications like portable devices, IoT, and consumer electronics.
Key characteristics include its ability to deliver up to 1A of continuous output current, with a selectable output voltage through external resistors. It operates with a fixed frequency of 2.2 MHz, allowing for smaller external components and a compact overall design. The TPS62821DLCR also features an efficient mode of operation, maintaining high efficiency over a wide load range.
Additional features include an enable pin for power sequencing, internal soft start for reduced inrush current, and protection mechanisms such as short-circuit and thermal shutdown. Its small size and SOT-563 package make it ideal for space-constrained applications like portable devices, IoT, and consumer electronics.
Equivalent
The TPS62821DLCR is a step-down converter from Texas Instruments. Equivalent products from other manufacturers may include:
1. Microchip Technology: MCP16311
2. Analog Devices: ADP5300
3. Maxim Integrated: MAX17222
4. ON Semiconductor: NCP161
These devices offer similar functionalities, but it's important to review their datasheets for detailed specifications to ensure compatibility with your application.
1. Microchip Technology: MCP16311
2. Analog Devices: ADP5300
3. Maxim Integrated: MAX17222
4. ON Semiconductor: NCP161
These devices offer similar functionalities, but it's important to review their datasheets for detailed specifications to ensure compatibility with your application.
Features
The TPS62821DLCR is a high-efficiency, step-down converter from Texas Instruments. Key features include:
1. Input Voltage Range: Supports an input voltage range from 2.4V to 5.5V, making it suitable for battery-powered applications.
2. Output Voltage: Provides a fixed output voltage of 1.8V.
3. Output Current: Can deliver up to 1A of output current.
4. Efficiency: Offers high efficiency up to 95%, reducing power loss and thermal impact.
5. Switching Frequency: Operates at a typical switching frequency of 2.25MHz, allowing the use of small external components.
6. Mode Selection: Features automatic PFM/PWM mode switching for improved efficiency at light loads.
7. Low Quiescent Current: Has a low quiescent current of 4 µA, ideal for extending battery life.
8. Protection Features: Includes overcurrent protection, short-circuit protection, and thermal shutdown for enhanced reliability.
9. Size: Available in a small 6-pin SOT-563 package, aiding compact design requirements.
10. Applications: Suitable for various applications including portable electronics, wearables, and industrial sensors.
1. Input Voltage Range: Supports an input voltage range from 2.4V to 5.5V, making it suitable for battery-powered applications.
2. Output Voltage: Provides a fixed output voltage of 1.8V.
3. Output Current: Can deliver up to 1A of output current.
4. Efficiency: Offers high efficiency up to 95%, reducing power loss and thermal impact.
5. Switching Frequency: Operates at a typical switching frequency of 2.25MHz, allowing the use of small external components.
6. Mode Selection: Features automatic PFM/PWM mode switching for improved efficiency at light loads.
7. Low Quiescent Current: Has a low quiescent current of 4 µA, ideal for extending battery life.
8. Protection Features: Includes overcurrent protection, short-circuit protection, and thermal shutdown for enhanced reliability.
9. Size: Available in a small 6-pin SOT-563 package, aiding compact design requirements.
10. Applications: Suitable for various applications including portable electronics, wearables, and industrial sensors.
Pinout
The TPS62821DLCR is a step-down converter by Texas Instruments. It typically comes in a 6-pin package. The main functions of the pins are as follows:
1. VIN - This is the input voltage pin where the supply voltage is connected. It supports a wide input voltage range.
2. SW - The switch pin connects to the inductor for energy transfer.
3. GND - The ground pin serves as the common ground for the device.
4. FB - The feedback pin is used to set the output voltage through a resistor divider network.
5. EN - The enable pin is used to turn the device on or off. Bringing this pin high enables the converter.
6. PG - The power good pin is an open-drain output that indicates when the output voltage is within a specified range.
Each pin plays a crucial role in the device's operation, ensuring efficient power conversion and regulation for various applications.
1. VIN - This is the input voltage pin where the supply voltage is connected. It supports a wide input voltage range.
2. SW - The switch pin connects to the inductor for energy transfer.
3. GND - The ground pin serves as the common ground for the device.
4. FB - The feedback pin is used to set the output voltage through a resistor divider network.
5. EN - The enable pin is used to turn the device on or off. Bringing this pin high enables the converter.
6. PG - The power good pin is an open-drain output that indicates when the output voltage is within a specified range.
Each pin plays a crucial role in the device's operation, ensuring efficient power conversion and regulation for various applications.
Manufacturer
The TPS62821DLCR is manufactured by Texas Instruments (TI). Texas Instruments is a leading American technology company headquartered in Dallas, Texas. It specializes in designing and manufacturing semiconductors and various integrated circuits, which are used in a broad range of electronic devices. TI is known for its innovations in analog technology, digital signal processing, and microcontroller solutions. The company serves diverse markets including industrial, automotive, personal electronics, communications equipment, and enterprise systems.
Application
The TPS62821DLCR is a high-efficiency, step-down converter from Texas Instruments designed for use in various applications. Key application areas include portable electronics, battery-powered devices, and consumer products like smartphones, tablets, and wearable technology. It is also suitable for use in computing and communication equipment, such as modems and routers, due to its low power consumption and high efficiency. Additionally, the TPS62821DLCR can be applied in industrial and medical equipment where space and power efficiency are critical. Its small size and excellent performance make it ideal for applications requiring compact and efficient power solutions.
Package
The TPS62821DLCR is a DC-DC step-down converter from Texas Instruments. It comes in a 6-pin SOT-563 package, which is a small outline transistor package designed to accommodate limited board space applications.
