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MAX8677AETG+T

MAX8677AETG+T

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Analog Devices Inc./Maxim Integrated

1.5A DUAL-INPUT, USB/AC ADAPTER CHARGER AND SMART POWER SELECTOR

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MAX8677AETG+T

MAX8677AETG+T

Active
Analog Devices Inc./Maxim Integrated

1.5A DUAL-INPUT, USB/AC ADAPTER CHARGER AND SMART POWER SELECTOR

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Description

General part information

MAX8677 Series

The MAX8677A is an integrated 1-cell Li+ charger and Smart Power Selector™ with dual (DC and USB) power inputs. It can operate with either separate inputs for USB and AC adapter power*, or from a single input that accepts both. All power switches for charging and switching the load between battery and external power are included on-chip. No external MOSFETs are required.The MAX8677A features a Smart Power Selector to make the best use of limited USB or adapter power. The battery charge current and input current limit are independently set up to 1.5A and 2A, respectively. Input power not used by the system charges the battery. USB input current can be set to 100mA or 500mA. Automatic input selection switches the system load from battery to external power.Other features include overvoltage protection (OVP), charge status and fault outputs, power-OK monitors, charge timer, and battery thermistor monitor. Additionally, on-chip thermal limiting reduces the battery charge rate to prevent overheating. The MAX8677A is available in a 4mm x 4mm, 24-pin TQFN-EP package.ApplicationsDigital CamerasGPS NavigationPDAs, Palmtops, and Wireless HandheldsPortable Media/MP3 PlayersSmart Cell Phones

Technical Specifications

Parameters and characteristics for this part

SpecificationMAX8677AETG+T
Battery ChemistryLithium Ion
Battery Pack Voltage4.2 V
Charge Current - Max1.5 A
Current - ChargingConstant, Programmable
Fault ProtectionOver Voltage
InterfaceUSB
Mounting TypeSurface Mount
Number of Cells1
Operating Temperature (Max)85 °C
Operating Temperature (Min)-40 °C
Package / Case24-WFQFN Exposed Pad
Package Length4 mm
Package Name24-TQFN
Package Width4 mm
Programmable FeaturesTimer, Current
Voltage - Supply (Max)6.6 V

Pricing

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CAD

3D models and CAD resources for this part