Manufacturer Part Number
LTC4058EDD-4.2#PBF
Manufacturer
Analog Devices
Introduction
LTC4058EDD-4.2#PBF is a portable power management integrated circuit, specifically a lithium-ion battery charger, designed for simplicity and efficiency in single-cell applications.
Product Features and Performance
Single-cell, standalone linear charger for lithium-ion batteries
Programmable charge current up to 950mA
Battery pack voltage precision of 4.2V for optimized charging
Wide supply voltage range up to 6.5V, accommodating various power sources
Automatic recharge feature
Thermal regulation optimizes the charge rate under all ambient conditions
No external MOSFET, sense resistor or blocking diode required
Compact, thermally enhanced 8-WFDFN exposed pad package
Product Advantages
Highly integrated design minimizes external component requirements
Thermal regulation ensures safe operation and extends battery lifespan
Availability in a small, low-profile DFN package suitable for space-constrained applications
Programmable current feature allows custom configuration to match specific battery requirements
Key Technical Parameters
Charge Current - Max: 950mA
Battery Pack Voltage: 4.2V
Voltage - Supply (Max): 6.5V
Operating Temperature: -40°C ~ 85°C (TA)
Quality and Safety Features
Integrated thermal protection to maintain safe charging temperatures
Built-in charge termination and automatic recharge enhances safety and prolongs battery life
Compatibility
Designed for use with lithium-ion batteries, specifically for a single cell configuration
Application Areas
Portable electronics such as smartphones, cameras, personal media players, and handheld devices
Product Lifecycle
Product Status: Active
The LTC4058 series is not nearing discontinuation and remains available, ensuring long-term supply stability
Key Reasons to Choose This Product
Supports a high level of integration for compact system designs
Balances fast, efficient charging with robust safety features
Adaptable to a range of single-cell lithium-ion battery applications
Operates across a broad temperature range, ensuring performance under extreme conditions
The manufacturer, Analog Devices, has a strong reputation for quality and reliability in power management solutions