Manufacturer Part Number
LTC4002EDD-8.4#PBF
Manufacturer
Analog Devices
Introduction
High-efficiency, stand-alone lithium-ion battery charger
Product Features and Performance
Stand-alone operation simplifies design
Selectable charging current for design flexibility
Constant-current/constant-voltage charge algorithm
Preserves battery life with proper charging cycle
Thermal regulation maximizes charge rate without risk of overheating
Charges two-cell lithium-ion batteries
Product Advantages
No microcontroller required for charger logic
Compact 10-DFN package conserves board space
Wide input voltage range accommodates variable power supplies
Automatic recharge ensures battery remains fully charged
Programmable charge timer for added security and customization
Key Technical Parameters
Battery chemistry compatibility: Lithium Ion
Designed for 2-cell configurations
Programmable charge current
Supports a battery pack voltage of 8.4V
Operates with supply voltages up to 22V
Robust operating temperature range of -40°C to 85°C
Quality and Safety Features
Integrated thermal regulation for safe operation
Over-temperature protection
Compatibility
Optimized for use in portable electronic devices
Surface mount form factor for integration into PCB designs
Application Areas
Portable consumer electronics
Battery-powered equipment
Handheld devices
Product Lifecycle
Product status: Active
Not near discontinuation, with replacements or upgrades not immediately required
Several Key Reasons to Choose This Product
Ease of integration into existing designs due to stand-alone nature
Versatile charging options tailored to various battery capacities
High level of integration reduces external component count
Reliable operation in a wide range of environmental conditions
Robust safety features protect against common fault conditions