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TPS61181RTER
Product Overview
Category
The TPS61181RTER belongs to the category of integrated circuits (ICs) and specifically falls under the category of boost converters.
Use
This product is primarily used for voltage boosting applications, where it efficiently steps up the input voltage to a higher output voltage level.
Characteristics
- High efficiency: The TPS61181RTER offers high conversion efficiency, ensuring minimal power loss during voltage boosting.
- Wide input voltage range: It can accept a wide range of input voltages, making it suitable for various applications.
- Adjustable output voltage: The output voltage can be adjusted according to the specific requirements of the application.
- Low quiescent current: The device has a low quiescent current, reducing power consumption when not actively boosting the voltage.
Package
The TPS61181RTER is available in a small package, typically a 16-pin QFN (Quad Flat No-Lead) package. This compact package allows for easy integration into space-constrained designs.
Essence
The essence of the TPS61181RTER lies in its ability to efficiently boost input voltages to higher levels, enabling the operation of devices that require higher voltage levels than the available input.
Packaging/Quantity
The TPS61181RTER is commonly packaged in reels or tape and reel packaging, with a quantity of typically 2500 units per reel.
Specifications
- Input Voltage Range: 2.7V to 18V
- Output Voltage Range: Adjustable from 4V to 28V
- Switching Frequency: Up to 1.2MHz
- Quiescent Current: Less than 100µA
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The TPS61181RTER features a 16-pin QFN package with the following pin configuration:
- VIN: Input voltage pin
- EN: Enable pin for controlling the device's operation
- FB: Feedback pin for adjusting the output voltage
- GND: Ground reference pin
- SW: Switching node pin
- LX: Inductor connection pin
- PGND: Power ground pin
- VOUT: Output voltage pin
Functional Features
- Soft Start: The TPS61181RTER incorporates a soft start feature to prevent excessive inrush current during startup.
- Overcurrent Protection: It includes overcurrent protection to safeguard against excessive current flow.
- Thermal Shutdown: The device features thermal shutdown protection, which activates when the temperature exceeds a specified threshold.
- Adjustable Output Voltage: The output voltage can be easily adjusted using an external resistor divider network connected to the FB pin.
Advantages and Disadvantages
Advantages
- High efficiency conversion
- Wide input voltage range
- Compact package size
- Adjustable output voltage
Disadvantages
- Limited maximum output voltage range
- Requires external components for proper operation
Working Principles
The TPS61181RTER operates as a boost converter, utilizing a switching regulator topology. It converts the input voltage to a higher output voltage by storing energy in an inductor during the switch-on period and releasing it to the output during the switch-off period. This process allows for efficient voltage boosting while minimizing power loss.
Detailed Application Field Plans
The TPS61181RTER finds applications in various fields, including but not limited to: - Battery-powered devices requiring higher voltage levels - LED backlighting for LCD displays - Portable audio devices - Industrial automation systems - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the TPS61181RTER include: - TPS61182RTER - TPS61183RTER - TPS61184RTER - TPS61185RTER
These alternative models provide comparable voltage boosting capabilities and may offer additional features or different package options to suit specific application requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TPS61181RTER v technických řešeních
Sure! Here are 10 common questions and answers related to the application of TPS61181RTER in technical solutions:
Q: What is TPS61181RTER? A: TPS61181RTER is a boost converter IC (integrated circuit) designed for driving white LEDs in series.
Q: What is the input voltage range of TPS61181RTER? A: The input voltage range of TPS61181RTER is typically between 2.7V and 18V.
Q: What is the maximum output current of TPS61181RTER? A: The maximum output current of TPS61181RTER is typically 30mA.
Q: Can TPS61181RTER be used to drive multiple LEDs in series? A: Yes, TPS61181RTER can be used to drive multiple LEDs in series, up to a maximum voltage of 38V.
Q: Does TPS61181RTER have built-in over-temperature protection? A: Yes, TPS61181RTER has built-in over-temperature protection to prevent damage due to excessive heat.
Q: Can TPS61181RTER be used in automotive applications? A: Yes, TPS61181RTER is suitable for automotive applications as it can operate within the required temperature range.
Q: Is TPS61181RTER compatible with both analog and PWM dimming control? A: Yes, TPS61181RTER supports both analog and PWM dimming control methods.
Q: What is the efficiency of TPS61181RTER? A: The efficiency of TPS61181RTER is typically around 85% to 90%, depending on the operating conditions.
Q: Can TPS61181RTER be used in battery-powered devices? A: Yes, TPS61181RTER can be used in battery-powered devices as it has a low quiescent current and supports low-voltage operation.
Q: Does TPS61181RTER require any external components for operation? A: Yes, TPS61181RTER requires a few external components such as input/output capacitors and an inductor to function properly.
Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes for detailed information.