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MAX1655EEE+T
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MAX1655EEE+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High-efficiency, Low-power consumption
  • Package: 16-pin QSOP (Quarter Small Outline Package)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 1.25V to 5.5V
  • Maximum Output Current: 500mA
  • Quiescent Current: 40µA (typical)
  • Dropout Voltage: 120mV at 100mA load
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1655EEE+T IC has a 16-pin QSOP package with the following pin configuration:

  1. VOUT
  2. GND
  3. FB
  4. EN
  5. VIN
  6. VCC
  7. PGND
  8. LX
  9. LX
  10. LX
  11. LX
  12. LX
  13. LX
  14. LX
  15. LX
  16. LX

Functional Features

  • High Efficiency: The MAX1655EEE+T offers high efficiency, ensuring minimal power loss during voltage regulation.
  • Low Power Consumption: With a quiescent current of only 40µA, the IC consumes very little power when in standby or low-load conditions.
  • Wide Input and Output Voltage Range: The IC can accept input voltages ranging from 2.7V to 5.5V and provide output voltages between 1.25V and 5.5V, making it versatile for various applications.
  • Dropout Voltage: The low dropout voltage of 120mV at a 100mA load ensures stable and reliable voltage regulation even when the input voltage is close to the output voltage.

Advantages and Disadvantages

Advantages

  • High efficiency leads to minimal power loss.
  • Low power consumption prolongs battery life in portable devices.
  • Wide input and output voltage range provides flexibility in design.
  • Low dropout voltage ensures stable voltage regulation.

Disadvantages

  • Limited maximum output current of 500mA may not be suitable for high-power applications.
  • The QSOP package may require specialized equipment for soldering and handling.

Working Principles

The MAX1655EEE+T is a voltage regulator IC that utilizes a step-down (buck) converter topology. It takes an input voltage from the VIN pin, steps it down to the desired output voltage, and provides a regulated output voltage at the VOUT pin. The feedback (FB) pin monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output voltage.

Detailed Application Field Plans

The MAX1655EEE+T is commonly used in various applications, including:

  1. Battery-Powered Devices: It is ideal for powering portable electronic devices such as smartphones, tablets, and wearable devices due to its low power consumption and wide input voltage range.
  2. IoT (Internet of Things) Devices: The IC can efficiently regulate power for IoT devices, enabling longer battery life and reliable operation.
  3. Industrial Applications: It can be used in industrial automation systems, sensors, and control circuits where stable and efficient power management is crucial.

Detailed and Complete Alternative Models

  • MAX1656EEE+T
  • MAX1657EEE+T
  • MAX1658EEE+T
  • MAX1659EEE+T

These alternative models offer similar functionality and characteristics to the MAX1655EEE+T, providing designers with options based on specific requirements.

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技術ソリューションにおける MAX1655EEE+T の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of MAX1655EEE+T in technical solutions:

  1. Q: What is the MAX1655EEE+T? A: The MAX1655EEE+T is a high-efficiency, low-quiescent current linear charger designed for single-cell lithium-ion (Li+) batteries.

  2. Q: What is the input voltage range of the MAX1655EEE+T? A: The input voltage range of the MAX1655EEE+T is typically between 4.5V and 28V.

  3. Q: What is the maximum charge current supported by the MAX1655EEE+T? A: The MAX1655EEE+T supports a maximum charge current of up to 1.5A.

  4. Q: Can the MAX1655EEE+T be used with other battery chemistries besides Li+? A: No, the MAX1655EEE+T is specifically designed for use with single-cell lithium-ion batteries.

  5. Q: Does the MAX1655EEE+T have built-in thermal regulation? A: Yes, the MAX1655EEE+T features built-in thermal regulation to prevent overheating during charging.

  6. Q: Is the MAX1655EEE+T capable of trickle charging? A: Yes, the MAX1655EEE+T supports trickle charging to maintain the battery at full capacity.

  7. Q: Can the MAX1655EEE+T operate while charging the battery? A: Yes, the MAX1655EEE+T can operate in "charge-on-the-fly" mode, allowing the system to run from the input supply while charging the battery simultaneously.

  8. Q: Does the MAX1655EEE+T provide any status indication during charging? A: Yes, the MAX1655EEE+T features an open-drain CHG pin that can be used to indicate charging status.

  9. Q: What is the typical efficiency of the MAX1655EEE+T? A: The typical efficiency of the MAX1655EEE+T is around 90%, ensuring minimal power loss during charging.

  10. Q: Are there any specific application notes or reference designs available for the MAX1655EEE+T? A: Yes, Maxim Integrated provides application notes and reference designs that offer guidance on using the MAX1655EEE+T in various technical solutions.

Please note that these answers are general and may vary depending on the specific requirements and implementation of the MAX1655EEE+T in a given technical solution.