Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Type | DC DC Regulator |
| Topology | Step-Up (Boost) |
| InternalSwitch(s) | Yes |
| NumberofOutputs | 1 |
| Voltage-Supply(Min) | 1.8V |
| Voltage-Supply(Max) | 6V |
| Voltage-Output | 28V |
| Current-Output/Channel | 350mA (Switch) |
| Frequency | 1MHz |
| Dimming | PWM |
| Applications | Backlight |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
Tổng quan
Description
The TPS61040DBVR is a step-up DC-DC boost converter from Texas Instruments, designed for applications requiring a low-power, high-efficiency power supply. It operates with input voltages ranging from 1.8V to 6V and can output voltages up to 28V, making it suitable for battery-powered devices that need higher voltage levels. The device features a fixed-frequency PWM control scheme, ensuring stable operation and minimizing interference with sensitive circuits.
The TPS61040DBVR is compact, available in a small SOT-23-6 package, and requires minimal external components, which is ideal for space-constrained applications. Key features include a 400mA switch current limit, low quiescent current, and a shutdown mode to conserve power during inactivity. It also offers integrated protection features, such as over-temperature protection and current limiting, for enhanced reliability.
This boost converter is commonly used in applications like LCD bias supplies, white LED drivers, and portable electronics, where efficient voltage boosting is critical. Its versatility and efficiency make it a popular choice among designers for various low-power design requirements.
The TPS61040DBVR is compact, available in a small SOT-23-6 package, and requires minimal external components, which is ideal for space-constrained applications. Key features include a 400mA switch current limit, low quiescent current, and a shutdown mode to conserve power during inactivity. It also offers integrated protection features, such as over-temperature protection and current limiting, for enhanced reliability.
This boost converter is commonly used in applications like LCD bias supplies, white LED drivers, and portable electronics, where efficient voltage boosting is critical. Its versatility and efficiency make it a popular choice among designers for various low-power design requirements.
Equivalent
The TPS61040DBVR is a boost converter IC from Texas Instruments. Equivalent products include:
1. LT1930 from Analog Devices: A boost converter with similar voltage and current capabilities.
2. MIC2288 from Microchip Technology: Another boost converter with comparable specifications.
3. NCP1400 from ON Semiconductor: Offers similar functionality in a boost converter form.
4. MT3608 from Monolithic Power Systems: A widely used boost converter for similar applications.
Ensure to check specific electrical and mechanical requirements before substituting.
1. LT1930 from Analog Devices: A boost converter with similar voltage and current capabilities.
2. MIC2288 from Microchip Technology: Another boost converter with comparable specifications.
3. NCP1400 from ON Semiconductor: Offers similar functionality in a boost converter form.
4. MT3608 from Monolithic Power Systems: A widely used boost converter for similar applications.
Ensure to check specific electrical and mechanical requirements before substituting.
Features
The TPS61040DBVR is a low-power, high-efficiency boost converter from Texas Instruments. Key features include:
1. Wide Input Voltage Range: 1.8 V to 6 V, suitable for single-cell or multi-cell battery configurations.
2. High Efficiency: Up to 80% efficiency to prolong battery life.
3. Adjustable Output Voltage: It provides an adjustable output voltage from 1.8 V to 28 V, accommodating various applications.
4. Low Quiescent Current: Typically 28 µA, minimizing power consumption when idle.
5. Fixed-Frequency Operation: Operates at 1.2 MHz, allowing for the use of small external components and compact design.
6. Integrated Switch: Includes a 400 mA switch for efficient power conversion.
7. Soft Start Functionality: Reduces inrush current, enhancing reliability.
8. Shutdown Capability: Features a shutdown mode that reduces current consumption to 1 µA.
9. Protection Features: Includes overcurrent protection and thermal shutdown for safety and robustness.
These features make the TPS61040DBVR ideal for battery-powered devices, portable electronics, and applications requiring efficient voltage boosting.
1. Wide Input Voltage Range: 1.8 V to 6 V, suitable for single-cell or multi-cell battery configurations.
2. High Efficiency: Up to 80% efficiency to prolong battery life.
3. Adjustable Output Voltage: It provides an adjustable output voltage from 1.8 V to 28 V, accommodating various applications.
4. Low Quiescent Current: Typically 28 µA, minimizing power consumption when idle.
5. Fixed-Frequency Operation: Operates at 1.2 MHz, allowing for the use of small external components and compact design.
6. Integrated Switch: Includes a 400 mA switch for efficient power conversion.
7. Soft Start Functionality: Reduces inrush current, enhancing reliability.
8. Shutdown Capability: Features a shutdown mode that reduces current consumption to 1 µA.
9. Protection Features: Includes overcurrent protection and thermal shutdown for safety and robustness.
These features make the TPS61040DBVR ideal for battery-powered devices, portable electronics, and applications requiring efficient voltage boosting.
Pinout
The TPS61040DBVR is a boost converter integrated circuit from Texas Instruments. It comes in a SOT-23-5 package, which means it has 5 pins. Here are the pin functions:
1. SW (Pin 1): This is the switch pin, connected to the inductor and the diode. It acts as the switching node of the boost converter.
2. GND (Pin 2): Ground pin, which is the reference point for the IC.
3. FB (Pin 3): Feedback pin. It is used to set the output voltage by connecting it to a resistor divider from the output.
4. EN (Pin 4): Enable pin. It is used to enable or disable the device. A high level on this pin turns the device on.
5. VIN (Pin 5): Input voltage pin, where the supply voltage is applied.
This IC is designed for boost applications and is used when a stable, higher output voltage is needed from a lower input voltage supply.
1. SW (Pin 1): This is the switch pin, connected to the inductor and the diode. It acts as the switching node of the boost converter.
2. GND (Pin 2): Ground pin, which is the reference point for the IC.
3. FB (Pin 3): Feedback pin. It is used to set the output voltage by connecting it to a resistor divider from the output.
4. EN (Pin 4): Enable pin. It is used to enable or disable the device. A high level on this pin turns the device on.
5. VIN (Pin 5): Input voltage pin, where the supply voltage is applied.
This IC is designed for boost applications and is used when a stable, higher output voltage is needed from a lower input voltage supply.
Manufacturer
The TPS61040DBVR is manufactured by Texas Instruments (TI). Texas Instruments is a globally recognized American technology company that designs and manufactures semiconductors and various integrated circuits. They are primarily known for their wide range of products, including analog chips, digital signal processors, and embedded processors, which are used in various electronic devices and systems.
TI is considered one of the leading companies in the semiconductor industry and is known for its innovation and contributions to electronics technology. The company serves a diverse set of markets, including consumer electronics, automotive, industrial, communications, and more. With a strong emphasis on research and development, Texas Instruments has built a reputation for producing high-quality, reliable, and efficient semiconductor products that are used by engineers and designers worldwide to develop cutting-edge technological solutions.
TI is considered one of the leading companies in the semiconductor industry and is known for its innovation and contributions to electronics technology. The company serves a diverse set of markets, including consumer electronics, automotive, industrial, communications, and more. With a strong emphasis on research and development, Texas Instruments has built a reputation for producing high-quality, reliable, and efficient semiconductor products that are used by engineers and designers worldwide to develop cutting-edge technological solutions.
Application
The TPS61040DBVR is a boost converter commonly used in applications requiring efficient voltage step-up. Key application areas include:
1. Portable Devices: Powers portable electronics by boosting battery voltage to required levels.
2. LED Drivers: Provides constant current to drive LEDs in displays and lighting applications.
3. LCD Bias Supplies: Supplies voltage for LCD screens in devices like smartphones and tablets.
4. Battery-Powered Equipment: Enhances battery life by efficiently managing power conversion.
5. Low-Power Audio Systems: Provides power for small audio amplifiers and speakers.
6. Wireless Communication Devices: Supports power requirements in RF and other communication modules.
Its compact form and efficiency make it ideal for space-constrained and battery-operated devices.
1. Portable Devices: Powers portable electronics by boosting battery voltage to required levels.
2. LED Drivers: Provides constant current to drive LEDs in displays and lighting applications.
3. LCD Bias Supplies: Supplies voltage for LCD screens in devices like smartphones and tablets.
4. Battery-Powered Equipment: Enhances battery life by efficiently managing power conversion.
5. Low-Power Audio Systems: Provides power for small audio amplifiers and speakers.
6. Wireless Communication Devices: Supports power requirements in RF and other communication modules.
Its compact form and efficiency make it ideal for space-constrained and battery-operated devices.
Package
The TPS61040DBVR is a boost converter IC from Texas Instruments, packaged in a SOT-23-6 format. This is a small, surface-mount package with six pins, designed for efficient, compact power management solutions in various electronics applications.
