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ISL61852ECRZ

ISL61852ECRZ

Product Overview

Category

The ISL61852ECRZ belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable and reliable power supply.

Characteristics

  • High efficiency
  • Low dropout voltage
  • Overcurrent protection
  • Thermal shutdown protection

Package

The ISL61852ECRZ comes in a small outline package (SOP) for easy integration into circuit designs.

Essence

The essence of the ISL61852ECRZ lies in its ability to provide consistent and regulated power to sensitive electronic components.

Packaging/Quantity

The ISL61852ECRZ is typically packaged in reels and is available in varying quantities depending on the supplier.

Specifications

  • Input Voltage Range: 2.7V to 6V
  • Output Voltage Range: 1.2V to 3.3V
  • Maximum Output Current: 3A
  • Dropout Voltage: 300mV at 3A
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The ISL61852ECRZ has a standard pin configuration with input, output, and ground pins, as well as additional pins for features such as enable and thermal shutdown.

Functional Features

  • Overcurrent Protection: The regulator can limit the output current to prevent damage in case of a fault.
  • Thermal Shutdown Protection: It shuts down when the temperature exceeds safe limits, protecting the device from overheating.
  • Enable Function: Allows the regulator to be turned on or off as needed.

Advantages and Disadvantages

Advantages

  • High efficiency leads to less heat dissipation.
  • Wide input voltage range allows for flexibility in various applications.
  • Overcurrent and thermal shutdown protection enhance reliability.

Disadvantages

  • Higher cost compared to basic linear regulators.
  • Requires careful PCB layout due to high-frequency switching.

Working Principles

The ISL61852ECRZ utilizes a switching regulator topology to efficiently convert the input voltage to a stable output voltage. It employs pulse-width modulation (PWM) to control the output voltage and maintain regulation under varying load conditions.

Detailed Application Field Plans

The ISL61852ECRZ is commonly used in portable electronic devices, battery-powered systems, and other applications requiring efficient voltage regulation. Its ability to operate with a wide input voltage range makes it suitable for diverse scenarios where battery life and power efficiency are crucial.

Detailed and Complete Alternative Models

  • ISL61852B: Similar specifications with minor variations in performance characteristics.
  • LM3671: A comparable voltage regulator with slightly different features and pin configuration.

In conclusion, the ISL61852ECRZ is a versatile voltage regulator offering high efficiency, robust protection features, and flexibility in various electronic applications. Its compact package and wide input voltage range make it an ideal choice for designers seeking reliable power regulation solutions.

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Énumérez 10 questions et réponses courantes liées à l'application de ISL61852ECRZ dans les solutions techniques

  1. What is the ISL61852ECRZ?

    • The ISL61852ECRZ is a highly integrated single-cell Li-ion or Li-polymer battery charger IC with system power path management functionality.
  2. What is the input voltage range for the ISL61852ECRZ?

    • The input voltage range for the ISL61852ECRZ is typically 4.0V to 6.5V, making it suitable for various power sources such as USB and AC adapters.
  3. What is the maximum charge current supported by the ISL61852ECRZ?

    • The ISL61852ECRZ supports a maximum charge current of up to 2A, allowing for fast charging of the connected battery.
  4. Does the ISL61852ECRZ support thermal regulation during charging?

    • Yes, the ISL61852ECRZ features thermal regulation to optimize charging performance and protect the device from overheating.
  5. Can the ISL61852ECRZ be used in portable electronic devices?

    • Yes, the ISL61852ECRZ is designed for use in portable electronic devices such as smartphones, tablets, and wearable devices.
  6. What are the key safety features of the ISL61852ECRZ?

    • The ISL61852ECRZ includes multiple safety features such as overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe operation.
  7. Does the ISL61852ECRZ support USB On-The-Go (OTG) functionality?

    • Yes, the ISL61852ECRZ supports USB OTG functionality, allowing the connected device to act as a host or peripheral.
  8. What is the standby current consumption of the ISL61852ECRZ?

    • The standby current consumption of the ISL61852ECRZ is typically low, helping to conserve power when the device is not in active use.
  9. Is the ISL61852ECRZ compatible with various battery chemistries?

    • Yes, the ISL61852ECRZ is compatible with lithium-ion (Li-ion) and lithium-polymer (Li-poly) battery chemistries, offering flexibility in battery selection.
  10. What are the typical applications for the ISL61852ECRZ?

    • Typical applications for the ISL61852ECRZ include smartphones, tablets, portable media players, and other handheld electronic devices requiring battery charging and power management.