Manufacturer Part Number
LT3650IMSE-8.4#PBF
Manufacturer
Analog Devices
Introduction
The LT3650IMSE-8.4#PBF is a highly integrated power management IC specializing in battery charging for lithium-ion or lithium-polymer batteries.
Product Features and Performance
Integrated battery charger controller for lithium chemistries
2-cell lithium-ion/polymer battery charging support
Programmable charge rate via an external resistor
End-of-charge control via charge timer
Over-temperature fault protection
Maximum charge current of 2A
Automatic recharge feature
Battery pack voltage of 8.4V nominal
Wide input voltage range up to 32V
Precision charge current monitoring
Soft-start limits inrush current
Product Advantages
Optimized for lithium-ion/polymer battery chemistry
Programmable charging parameters for design flexibility
Highly integrated for a compact footprint
Thermal protection ensures safe operation
High reliability due to over-temperature protection
Suitable for a variety of lithium-based battery applications
Key Technical Parameters
Battery Chemistry: Lithium Ion/Polymer
Number of Cells: 2
Current - Charging: Constant - Programmable
Programmable Features: Timer
Fault Protection: Over Temperature
Charge Current - Max: 2A
Battery Pack Voltage: 8.4V
Voltage - Supply (Max): 32V
Operating Temperature: -40°C to 85°C
Mounting Type: Surface Mount
Quality and Safety Features
Over-temperature protection
Charging timer for end-of-charge control
Precision charge current monitoring
Compatibility
Meant for devices requiring 2-cell lithium-ion/polymer batteries
Surface mount compatible with 12-TSSOP exposed pad package
Application Areas
Portable electronic devices
Battery-powered equipment
Consumer electronics with rechargeable batteries
Mobile and wireless devices
Product Lifecycle
Product Status: Active
No known discontinuation, with ongoing support and availability of replacements or upgrades
Reasons to Choose This Product
High integration optimizes board space
Flexible and programmable charge parameters for a wide range of battery specifications
Proven manufacturer Analog Devices reliability and performance
Wide operating temperature for harsh environments
Advanced safety features ensure device and user protection
Suitable for a range of portable applications due to versatile feature set