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