TPS65140PWPR
Overview
Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: - High efficiency - Low power consumption - Wide input voltage range - Multiple output channels - Small form factor
Package: TSSOP (Thin Shrink Small Outline Package)
Essence: The TPS65140PWPR is a power management IC designed to provide efficient and reliable power supply solutions for various electronic devices.
Packaging/Quantity: The TPS65140PWPR is typically sold in reels of 2500 units.
Specifications
The TPS65140PWPR offers the following specifications:
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage Range: Adjustable from -4.5V to -20V
- Output Current: Up to 200mA
- Operating Temperature Range: -40°C to 85°C
- Quiescent Current: 50µA (typical)
- Switching Frequency: 1.2MHz (typical)
Pin Configuration
The TPS65140PWPR features a 20-pin TSSOP package with the following pin configuration:
- VCOM
- VNEG
- VPOS
- GND
- EN
- FB
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- VIN
- VOUT
Functional Features
The TPS65140PWPR offers the following functional features:
- Integrated boost converter and negative charge pump
- Adjustable output voltage through external resistors
- Soft start and soft stop functions
- Overvoltage and overcurrent protection
- Thermal shutdown protection
- Low dropout voltage
Advantages and Disadvantages
Advantages: - High efficiency power conversion - Wide input voltage range allows compatibility with various power sources - Small form factor enables space-saving designs - Multiple output channels for versatile applications - Overvoltage and overcurrent protection ensures device safety
Disadvantages: - Limited output current capacity (up to 200mA) - Requires external resistors for output voltage adjustment
Working Principles
The TPS65140PWPR operates by converting the input voltage into a regulated negative output voltage. The integrated boost converter increases the input voltage, while the negative charge pump generates the negative output voltage. The output voltage can be adjusted through external resistors connected to the FB pin.
Detailed Application Field Plans
The TPS65140PWPR is commonly used in the following application fields:
- LCD Displays: Provides power supply for the display panel and backlighting.
- Portable Devices: Powers various components such as sensors, microcontrollers, and communication modules.
- Industrial Equipment: Offers efficient power management for control systems and interface circuits.
- Automotive Electronics: Supports power requirements of infotainment systems, instrument clusters, and advanced driver-assistance systems (ADAS).
Detailed and Complete Alternative Models
- TPS65141PWPR: Similar to TPS65140PWPR but with higher output current capability (up to 400mA).
- TPS65142PWPR: Features additional integrated functions such as voltage regulators and level shifters.
- TPS65143PWPR: Designed specifically for automotive applications with enhanced temperature range and reliability.
These alternative models provide similar functionality to the TPS65140PWPR but may offer different specifications or additional features based on specific application requirements.
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10個與TPS65140PWPR在技術方案中應用相關的常見問題與解答
Sure! Here are 10 common questions and answers related to the application of TPS65140PWPR:
Q: What is TPS65140PWPR? A: TPS65140PWPR is a power management IC (PMIC) designed for small-size LCD bias power supplies.
Q: What are the typical applications of TPS65140PWPR? A: TPS65140PWPR is commonly used in portable devices such as smartphones, tablets, e-readers, and other handheld devices with LCD displays.
Q: What is the input voltage range supported by TPS65140PWPR? A: TPS65140PWPR supports an input voltage range from 2.7V to 5.5V.
Q: What is the output voltage range provided by TPS65140PWPR? A: TPS65140PWPR provides adjustable positive and negative output voltages ranging from -4V to -20V and 4V to 20V, respectively.
Q: Can TPS65140PWPR support multiple LCD panels simultaneously? A: Yes, TPS65140PWPR can support multiple LCD panels by providing separate outputs for each panel.
Q: Does TPS65140PWPR have built-in protection features? A: Yes, TPS65140PWPR includes various protection features like overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown.
Q: What is the maximum output current capability of TPS65140PWPR? A: TPS65140PWPR can provide up to 200mA of output current.
Q: Is TPS65140PWPR compatible with both TFT and OLED displays? A: Yes, TPS65140PWPR is compatible with both TFT (Thin-Film Transistor) and OLED (Organic Light-Emitting Diode) displays.
Q: Can TPS65140PWPR operate in a wide temperature range? A: Yes, TPS65140PWPR can operate in a temperature range from -40°C to 85°C.
Q: What package type does TPS65140PWPR come in? A: TPS65140PWPR is available in a small-size HTSSOP-28 package.
Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult the manufacturer for detailed information.