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TPS65251RHA

TPS65251RHA

Manufacturer No:

TPS65251RHA

Manufacturer:

Texas Instruments

Description:

IC REG BCK ADJ 3A/2A TRPL 40VQFN

Datasheet:

Datasheet

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TPS65251RHA Specifications

  • Type
    Parameter
  • Supplier Device Package
    40-VQFN (6x6)
  • Package / Case
    40-VFQFN Exposed Pad
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 125°C (TJ)
  • Synchronous Rectifier
    Yes
  • Frequency - Switching
    300kHz ~ 2.2MHz
  • Current - Output
    3A, 2A
  • Voltage - Output (Max)
    18V
  • Voltage - Output (Min/Fixed)
    0.8V
  • Voltage - Input (Max)
    18V
  • Voltage - Input (Min)
    4.5V
  • Number of Outputs
    3
  • Output Type
    Adjustable
  • Topology
    Buck
  • Output Configuration
    Positive
  • Function
    Step-Down
  • Packaging
    Tube
  • Product Status
    Obsolete
  • Series
    -
The TPS65251RHA is a highly integrated power management integrated circuit (PMIC) chip designed by Texas Instruments. It offers several advantages and can be applied in various scenarios:1. High Integration: The TPS65251RHA integrates multiple power management functions into a single chip, including voltage regulators, power switches, and battery charging circuits. This high level of integration reduces the overall component count and board space required, making it suitable for space-constrained applications.2. Wide Input Voltage Range: The chip supports a wide input voltage range, typically from 2.7V to 6.5V. This flexibility allows it to be used with various power sources, such as batteries, USB ports, or AC adapters.3. Multiple Output Channels: The TPS65251RHA provides multiple output channels with different voltage levels, allowing it to power different components of a system. It includes a buck converter, a boost converter, and two low-dropout (LDO) regulators, enabling efficient power delivery to various loads.4. Battery Charging: The chip incorporates a battery charging circuit, making it suitable for portable devices powered by rechargeable batteries. It supports different battery chemistries, such as Li-Ion, Li-Polymer, and NiMH, and includes features like thermal regulation and charge termination to ensure safe and efficient charging.5. Power Sequencing and Protection: The TPS65251RHA includes power sequencing and protection features, ensuring proper power-up and power-down sequences for different components. It provides overvoltage protection, undervoltage lockout, and thermal shutdown, safeguarding the system from potential damage.Application scenarios for the TPS65251RHA chip include:1. Portable Devices: The chip's small form factor, battery charging capabilities, and multiple output channels make it suitable for portable devices like smartphones, tablets, portable media players, and handheld gaming consoles.2. IoT Devices: With its wide input voltage range and power management features, the chip can be used in various Internet of Things (IoT) devices, such as smart home devices, wearables, and wireless sensors.3. Industrial Applications: The TPS65251RHA's robustness, protection features, and wide input voltage range make it suitable for industrial applications, including factory automation, robotics, and control systems.4. Consumer Electronics: The chip can be used in a range of consumer electronics, such as digital cameras, camcorders, portable audio devices, and gaming peripherals.Overall, the TPS65251RHA offers a compact and efficient solution for power management in a wide range of applications, providing integration, flexibility, and protection features.
TPS65251RHA Relevant information