MAX8677AETG+T

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MAX8677AETG+T

+BOM

IC BATT CHG LI-ION 1CELL 24TQFN

  • 제조업체아날로그 장비 주식회사/Maxim 통합

  • 제조업체 부품 #MAX8677AETG+T

  • 재고2564

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사양

속성 가치
Series Smart Power Selector™
Part Status Active
Base Product Number MAX8677
Battery Chemistry Lithium Ion
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Current, Timer
Fault Protection Over Voltage
Charge Current - Max 1.5A
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 6.6V
Interface USB
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package 24-WFQFN Exposed Pad
Supplier Device Package 24-TQFN (4x4)
Packaging Cut Tape (CT), Tape & Reel (TR)

개요

Description

The MAX8677AETG+T is a dual-input, linear battery charger designed by Maxim Integrated for portable devices. It is capable of charging a single-cell lithium-ion (Li+) battery from either an AC adapter or a USB source, offering flexibility in power source options. The device features automatic source detection, prioritizing AC adapter input when available, and can manage charging currents up to 1.5A from the adapter and up to 500mA from USB, adhering to USB power specifications.
The MAX8677AETG+T supports smart power management, integrating features like thermal regulation, battery temperature monitoring, and adjustable charge timers to ensure safe and efficient charging cycles. It also includes safety features such as overvoltage protection and a battery pack thermistor interface for temperature supervision.
The compact package and high level of integration make it suitable for space-constrained applications, providing designers with a versatile solution for efficient battery charging in portable electronics like smartphones, MP3 players, and other handheld devices.

Equivalent

The MAX8677AETG+T is a dual input USB/AC adapter linear battery charger with Smart Power Selector. Equivalent products include:
1. BQ24072 - From Texas Instruments, offering similar single-cell Li-Ion battery charging capabilities.
2. LTC4098 - From Analog Devices, providing comparable features in power management.
3. MCP73871 - From Microchip Technology, a similar single-cell battery charge management controller.
Each of these devices caters to similar functionalities with slight variations in specifications.

Features

The MAX8677AETG+T is a dual-input USB/high-voltage charger with Smart Power Selector for portable devices. Key features include:
1. Dual Input: Accepts power from both a USB and an AC adapter, automatically selecting the best source.
2. Smart Power Selector: Simultaneously powers the system and charges the battery, optimizing power usage.
3. High-Voltage Charging: Supports charging from high-voltage sources up to 28V.
4. Efficiency: Features a high-efficiency step-down regulator to minimize power loss.
5. Integrated Switches: Includes internal power MOSFETs for reduced external component count.
6. Battery Safety: Offers protections such as overvoltage, overcurrent, and thermal shutdown to ensure safe battery charging.
7. Compact Package: Comes in a 4mm x 4mm TQFN package, suitable for space-constrained designs.
8. Flexibility: Programmable charge current and input current limit settings provide design flexibility.
9. PMIC Compatibility: Can be used in tandem with PMICs for improved power management in complex applications.
These features make it ideal for portable electronics requiring efficient and flexible charging solutions.

Pinout

The MAX8677AETG+T is a power management IC with a 28-pin configuration. It is designed for portable applications to manage battery charging and power distribution efficiently. The primary functions of the MAX8677AETG+T include:
1. Battery Charger: It is capable of charging single-cell lithium-ion (Li+) batteries with high efficiency.
2. Power Path Management: Facilitates seamless switching between battery and external power sources, ensuring continuous power supply.
3. USB and AC Adapter Compatibility: Supports USB and AC adapter inputs with automatic source selection.
4. Current Limiting: Provides accurate current limiting to protect the device and battery during charging.
5. Thermal Regulation: Includes thermal regulation to prevent overheating during charging and operation.
6. Low Dropout (LDO) Linear Regulators: Offers integrated low dropout regulators for powering additional system circuitry.
These features make the MAX8677AETG+T suitable for a variety of portable device applications, ensuring efficient power management and battery charging.

Manufacturer

The MAX8677AETG+T is manufactured by Maxim Integrated. Maxim Integrated is a company known for designing and manufacturing analog and mixed-signal integrated circuits. It serves various industries, including consumer electronics, automotive, industrial, and communications, by providing solutions that improve performance, reduce power consumption, and enable advanced features in electronic devices.

Application

The MAX8677AETG+T is a power management IC primarily used in battery-powered devices. Its application areas include smartphones, tablets, digital cameras, portable media players, and other handheld electronics. It offers features such as charging control, power path management, and integrated battery monitoring, making it suitable for managing Li-ion or Li-polymer batteries. Its compact design and efficient power management capabilities help extend battery life and improve device performance.

Package

The MAX8677AETG+T is a power management IC with a TDFN (Thin Dual Flat No-lead) package type. It typically comes in a 4mm x 4mm, 24-pin configuration, which is compact and suitable for portable devices. The "+T" suffix indicates that it is supplied in tape and reel packaging, convenient for automated manufacturing processes.

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