規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Function | Step-Up |
| OutputConfiguration | Positive |
| Topology | Boost |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 0.9V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 1.8V |
| Voltage-Output(Max) | 5.5V |
| Current-Output | 500mA (Switch) |
| Frequency-Switching | 1.2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-6 Thin, TSOT-23-6 |
概述
Description
The TPS61071DDCR is a high-efficiency boost converter integrated circuit (IC) manufactured by Texas Instruments. Designed for battery-powered applications, it efficiently steps up input voltages ranging from 0.9V to 5.5V to a stable output voltage, making it ideal for devices powered by single or dual-cell alkaline, NiCd, or NiMH batteries. This IC is capable of delivering up to 250mA of output current at a 3.3V output from a 1.8V input.
Key features include a high switching frequency of 1.2 MHz, which allows the use of small external components, thus saving space and reducing overall circuit size. The TPS61071DDCR also includes features such as over-current protection, under-voltage lockout, and thermal shutdown for enhanced reliability. Housed in a small 6-pin SOT-23 package, it offers an efficient and compact solution for portable and handheld electronics, particularly where space and efficiency are critical. Its minimal external component requirements and robust feature set make it a versatile choice for various low-voltage boost applications.
Key features include a high switching frequency of 1.2 MHz, which allows the use of small external components, thus saving space and reducing overall circuit size. The TPS61071DDCR also includes features such as over-current protection, under-voltage lockout, and thermal shutdown for enhanced reliability. Housed in a small 6-pin SOT-23 package, it offers an efficient and compact solution for portable and handheld electronics, particularly where space and efficiency are critical. Its minimal external component requirements and robust feature set make it a versatile choice for various low-voltage boost applications.
Equivalent
Equivalent products to the TPS61071DDCR, a boost converter from Texas Instruments, include the following:
1. MIC2250 from Microchip Technology: A high-efficiency boost converter suitable for similar applications.
2. LTC3122 from Analog Devices: Known for wide input voltage and efficiency.
3. NCP1402 from ON Semiconductor: Offers low quiescent current characteristics.
Always consult datasheets and manufacturer specifications to ensure compatibility with your specific application needs.
1. MIC2250 from Microchip Technology: A high-efficiency boost converter suitable for similar applications.
2. LTC3122 from Analog Devices: Known for wide input voltage and efficiency.
3. NCP1402 from ON Semiconductor: Offers low quiescent current characteristics.
Always consult datasheets and manufacturer specifications to ensure compatibility with your specific application needs.
Features
The TPS61071DDCR is a high-efficiency boost converter from Texas Instruments. Key features include:
1. Wide Input Voltage Range: It operates from 0.9V to 5.5V, making it suitable for single-cell or dual-cell alkaline, NiMH, or Li-ion battery applications.
2. High Efficiency: The converter achieves efficiencies up to 96%, which helps in maximizing battery life.
3. Adjustable Output Voltage: It provides an output voltage range from 1.8V to 5.5V, adjustable via external resistors.
4. Fixed Frequency Operation: Operates at a 600 kHz fixed switching frequency for easy filtering and low output ripple.
5. Compact Package: Available in a small 3mm x 3mm 6-pin SOT-23 package, saving board space.
6. Low Quiescent Current: It features a low quiescent current of 19 μA, which is beneficial for battery-powered applications.
7. Over-Temperature Protection: Includes protection features like over-temperature shutdown to enhance reliability.
These attributes make the TPS61071DDCR ideal for portable devices and battery-powered applications where efficient power conversion is crucial.
1. Wide Input Voltage Range: It operates from 0.9V to 5.5V, making it suitable for single-cell or dual-cell alkaline, NiMH, or Li-ion battery applications.
2. High Efficiency: The converter achieves efficiencies up to 96%, which helps in maximizing battery life.
3. Adjustable Output Voltage: It provides an output voltage range from 1.8V to 5.5V, adjustable via external resistors.
4. Fixed Frequency Operation: Operates at a 600 kHz fixed switching frequency for easy filtering and low output ripple.
5. Compact Package: Available in a small 3mm x 3mm 6-pin SOT-23 package, saving board space.
6. Low Quiescent Current: It features a low quiescent current of 19 μA, which is beneficial for battery-powered applications.
7. Over-Temperature Protection: Includes protection features like over-temperature shutdown to enhance reliability.
These attributes make the TPS61071DDCR ideal for portable devices and battery-powered applications where efficient power conversion is crucial.
Pinout
The TPS61071DDCR is a boost converter IC manufactured by Texas Instruments. It comes in an 8-pin package, specifically a small SOT-23 (DDC) package. Here is a brief overview of its pin configuration and functions:
1. Pin 1 (SW): Switch pin. This is the switching node of the converter where the inductor is connected.
2. Pin 2 (GND): Ground pin. It is the reference point for the IC and connected to the ground plane.
3. Pin 3 (FB): Feedback pin. This pin is used to set the output voltage through an external resistor divider.
4. Pin 4 (EN): Enable pin. It is used to enable or disable the converter.
5. Pin 5 (VOUT): Output pin. This is where the output voltage is available.
6. Pin 6 (VIN): Input voltage pin. Supply voltage for the IC.
7. Pin 7 (NC): No connection. This pin is generally not connected to any circuit.
8. Pin 8 (LBI/LBO): Low-battery input/output pin. It is used to monitor the battery voltage and provide a low-battery warning.
This IC is commonly used for applications requiring efficient voltage boosting, such as battery-powered devices.
1. Pin 1 (SW): Switch pin. This is the switching node of the converter where the inductor is connected.
2. Pin 2 (GND): Ground pin. It is the reference point for the IC and connected to the ground plane.
3. Pin 3 (FB): Feedback pin. This pin is used to set the output voltage through an external resistor divider.
4. Pin 4 (EN): Enable pin. It is used to enable or disable the converter.
5. Pin 5 (VOUT): Output pin. This is where the output voltage is available.
6. Pin 6 (VIN): Input voltage pin. Supply voltage for the IC.
7. Pin 7 (NC): No connection. This pin is generally not connected to any circuit.
8. Pin 8 (LBI/LBO): Low-battery input/output pin. It is used to monitor the battery voltage and provide a low-battery warning.
This IC is commonly used for applications requiring efficient voltage boosting, such as battery-powered devices.
Manufacturer
The TPS61071DDCR is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is a global semiconductor company that designs and manufactures a broad range of analog and embedded processing chips. With its headquarters in Dallas, Texas, TI is a leading player in the semiconductor industry and serves various markets, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company is known for its innovations in analog and digital signal processing technologies, which are essential for a wide array of electronic devices and systems.
Application
The TPS61071DDCR is a high-efficiency step-up DC-DC converter used in various applications requiring efficient power management. Its primary application areas include portable electronics, such as smartphones and tablets, where it boosts battery voltage to drive components like displays or processors. It's also utilized in wearable devices, wireless communication modules, and low-power sensors, where compact size and high efficiency are crucial. Additionally, the TPS61071DDCR is suitable for powering white LED backlights, small motors, and other components in battery-operated devices. Its ability to operate at low input voltages makes it ideal for energy harvesting and other applications that rely on small, rechargeable batteries.
Package
The TPS61071DDCR is available in a 6-pin SOT-23 package type. This compact package is suitable for space-constrained applications, providing a balance of size and thermal performance for the boost converter integrated circuit.
