Maxim Integrated
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MAX1661EUB
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MAX1661EUB

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Battery Charger
  • Characteristics: High Efficiency, Low Quiescent Current, Small Package Size
  • Package: µMAX® (8-pin)
  • Essence: Power Management IC for Lithium-Ion/Polymer Battery Charging
  • Packaging/Quantity: Tape and Reel (2500 units per reel)

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Charge Voltage Accuracy: ±0.75%
  • Maximum Charge Current: 1A
  • Operating Temperature Range: -40°C to +85°C
  • Shutdown Current: <1µA
  • Thermal Shutdown Protection: Yes
  • Battery Temperature Monitoring: Yes

Detailed Pin Configuration

The MAX1661EUB has the following pin configuration:

  1. GND: Ground
  2. BAT: Battery Connection
  3. PROG: Charge Current Programming Pin
  4. STAT: Status Output Pin
  5. THERM: Battery Temperature Monitor Pin
  6. VCC: Supply Voltage Input
  7. CE: Enable Control Pin
  8. OUT: Charge Current Output Pin

Functional Features

  • Constant-Current/Constant-Voltage (CC/CV) Charging Algorithm
  • Programmable Charge Current
  • Automatic Recharge
  • Overvoltage Protection
  • Undervoltage Lockout
  • LED Indication of Charging Status
  • Thermal Regulation for Safe Operation

Advantages and Disadvantages

Advantages: - High charging efficiency - Low power consumption in standby mode - Compact package size - Accurate charge voltage control - Built-in thermal protection

Disadvantages: - Limited maximum charge current (1A) - Requires an external microcontroller for advanced control

Working Principles

The MAX1661EUB is a battery charger IC designed for Lithium-Ion/Polymer batteries. It utilizes a CC/CV charging algorithm to ensure optimal charging performance. The charge current can be programmed using an external resistor connected to the PROG pin. The IC also features automatic recharge, overvoltage protection, and undervoltage lockout for enhanced safety. The built-in thermal regulation protects the battery and the IC from overheating.

Detailed Application Field Plans

The MAX1661EUB is commonly used in various portable electronic devices that require Lithium-Ion/Polymer battery charging. Some of the application fields include:

  1. Mobile Phones
  2. Tablets
  3. Portable Media Players
  4. Digital Cameras
  5. Bluetooth Headsets
  6. Handheld Gaming Devices

Detailed and Complete Alternative Models

  • MCP73831: Microchip Technology
  • BQ24075: Texas Instruments
  • LTC4054: Linear Technology
  • TP4056: NanJing Top Power

These alternative models offer similar functionality and can be considered as alternatives to the MAX1661EUB depending on specific requirements and design constraints.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af MAX1661EUB i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of MAX1661EUB in technical solutions:

Q1: What is the MAX1661EUB? A1: The MAX1661EUB is a high-efficiency, multichemistry battery charger IC designed for portable applications.

Q2: What types of batteries can the MAX1661EUB charge? A2: The MAX1661EUB can charge lithium-ion (Li+), lithium-polymer (Li-Poly), and nickel-metal hydride (NiMH) batteries.

Q3: What is the input voltage range supported by the MAX1661EUB? A3: The MAX1661EUB supports an input voltage range of 4.5V to 28V.

Q4: Can the MAX1661EUB charge multiple batteries simultaneously? A4: Yes, the MAX1661EUB can charge multiple batteries in series or parallel configurations.

Q5: Does the MAX1661EUB provide overvoltage protection? A5: Yes, the MAX1661EUB provides overvoltage protection to prevent damage to the batteries.

Q6: Is the MAX1661EUB capable of fast charging? A6: Yes, the MAX1661EUB supports fast charging with programmable charge current up to 2A.

Q7: Does the MAX1661EUB have thermal protection features? A7: Yes, the MAX1661EUB includes thermal shutdown and thermal foldback protection to prevent overheating.

Q8: Can the MAX1661EUB operate in a wide temperature range? A8: Yes, the MAX1661EUB can operate in a temperature range of -40°C to +85°C.

Q9: Does the MAX1661EUB provide charging status indication? A9: Yes, the MAX1661EUB has an integrated LED driver for charging status indication.

Q10: What package options are available for the MAX1661EUB? A10: The MAX1661EUB is available in a 10-pin µMAX® package and a 16-pin QSOP package.

Please note that these answers are general and may vary depending on the specific application and implementation of the MAX1661EUB.