MAX8903HETI+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX8903HETI+T

Manufacturer

Analog Devices

Introduction

High-efficiency power management and battery charger IC

Product Features and Performance

Offers Smart Power Selector technology

Integrates battery charging with power-path management

Enables direct powering of the system while charging the battery

Delivers up to 2A charge current

Supports Lithium-Ion battery chemistry

Provides a programmable charge timer for added safety

Includes over-voltage fault protection

High efficiency due to DC-DC conversion technology

Wide input voltage range up to 16V

Thermal regulation prevents overheating

Small 28-WFQFN package with exposed thermal pad for improved heat dissipation

Product Advantages

Ensures continuous system operation even when the battery is fully discharged

Minimizes heat generation and improves system longevity

Flexible USB or adapter charging options

Extends battery life with precise charge management

Simplified system design due to integrated power-path management

Capable of handling higher current requirements for modern devices

Key Technical Parameters

Battery Chemistry: Lithium Ion

Number of Cells: 1

Constant Charging Current: Programmable

Maximum Charge Current: 2A

Battery Pack Voltage: 4.2V

Voltage Supply (Max): 16V

Interface: USB

Operating Temperature: -40°C ~ 85°C (TA)

Mounting Type: Surface Mount

Package / Case: 28-WFQFN Exposed Pad

Supplier Device Package: 28-TQFN (4x4)

Quality and Safety Features

Integrated fault protection adds a layer of safety

Programmable charging parameters to avoid overcharging

Operates reliably over a wide temperature range

Compatibility

Compatible with single-cell Lithium Ion batteries

Adaptable to various USB interfaces for charging

Application Areas

Portable electronics

Mobile devices

Handheld medical devices

Battery-powered consumer products

Product Lifecycle

Product status is active

Not currently listed as nearing discontinuation

Availability of replacements or upgrades to be monitored through Analog Devices

Several Key Reasons to Choose This Product

Smart Power Selector technology allows for optimized system operation

High 2A charge capability for faster charging times

Flexibility in charging via USB or an external adapter

Over voltage protection and programmable safety features enhance reliability

Wide operating temperature range suitable for a variety of environments

Compact form factor enables integration into space-constrained applications