LT3650EDD-4.2#TRPBF

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LT3650EDD-4.2#TRPBF

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IC BATT CHG LI-ION 1CELL 12DFN

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規格

屬性 價值
Part Status Active
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Timer
Fault Protection Over Temperature
Charge Current - Max 2A
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 32V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 12-WFDFN Exposed Pad
Supplier Device Package 12-DFN (3x3)
Base Product Number LT3650

概述

Description

The LT3650EDD-4.2#TRPBF is a highly integrated lithium-ion battery charger IC designed for applications requiring efficient charging with minimal external components. It features a constant current/constant voltage (CC/CV) charging algorithm, optimizing battery life and performance. The device operates with an input voltage range of 4.5V to 32V, making it suitable for various power sources, including solar panels and USB chargers.
Key features include programmable charging current, temperature monitoring, and safety timers to prevent overcharging. The charger incorporates a built-in power path management system, allowing simultaneous charging and system operation. Additionally, it supports a wide range of battery chemistries and includes protection against overvoltage, undervoltage, and thermal regulation.
The LT3650EDD-4.2#TRPBF is housed in a compact, thermally-enhanced package, making it ideal for space-constrained designs. Its efficiency and reliability make it suitable for portable devices, electric vehicles, and energy storage systems. Overall, it represents a robust solution for modern battery charging applications.

Equivalent

Equivalent products to the LT3650EDD-4.2#TRPBF chip include the MCP73831, LM3651, and BQ24125. These chips offer similar functionality for lithium-ion battery charging with varying input voltage and current specifications. Always check the datasheets for specific requirements and performance characteristics to ensure compatibility.

Features

The LT3650EDD-4.2#TRPBF is a high-efficiency, dual-channel battery charger designed for lithium-ion and lithium-polymer batteries. Key features include:
1. Input Voltage Range: Operates from 4.5V to 32V, accommodating various power sources.
2. Charge Current: Adjustable charge current up to 1A, suitable for fast charging applications.
3. Voltage Regulation: Provides a constant output voltage of 4.2V, ideal for lithium battery charging.
4. Thermal Regulation: Includes thermal foldback to prevent overheating during operation.
5. Integrated Switching: Features a built-in power switch that enhances efficiency and reduces external component count.
6. Fault Protection: Offers overvoltage, overcurrent, and thermal protection to ensure safe operation.
7. Low Quiescent Current: Low standby current helps extend battery life during idle times.
8. Compact Package: Available in a thermally enhanced MSOP-16 package, suitable for space-constrained applications.
This device is ideal for portable electronics, electric vehicles, and renewable energy systems.

Pinout

The LT3650EDD-4.2#TRPBF is a battery charger IC from Analog Devices, specifically designed for lithium-ion batteries. It comes in a 16-lead TSSOP package.
Pin Count: 16 pins
Key Functions:
1. VIN: Input voltage supply.
2. GND: Ground.
3. BAT: Battery connection.
4. PG: Power good output.
5. ISET: Current setting resistor connection.
6. STRT: Start pin for initiating charging.
7. CHRG: Charging status output.
8. TEMP: Temperature sensing input for safety.
9. SW: Switching node for the internal regulator.
10. CSN/ CSP: Current sense inputs for monitoring charging current.
11. REF: Reference voltage output.
12. VOUT: Output voltage for the load.
13. PROG: Programming pin for setting charging parameters.
14. FBA: Feedback for the internal voltage regulator.
15. COMP: Compensation pin for stability.
16. LIM: Current limit setting.
This IC is optimized for efficiency and provides multiple safety features for battery management.

Manufacturer

The LT3650EDD-4.2#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a prominent semiconductor company that specializes in data conversion, signal processing, and power management solutions. Founded in 1965, the company is known for its high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs) used in various applications, including communications, automotive, industrial, and consumer electronics.
The LT3650EDD-4.2#TRPBF is a part of their power management portfolio, specifically designed for battery management and charging applications. Analog Devices focuses on innovative technologies that improve performance and efficiency in electronic systems, catering to a wide range of industries and applications. The company is headquartered in Norwood, Massachusetts, and has a global presence with numerous facilities and design centers worldwide.

Application

The LT3650EDD-4.2#TRPBF is a high-efficiency battery charger primarily designed for lithium-ion and lithium-polymer battery applications. Its key application areas include portable devices, medical equipment, drones, and electric vehicles. It supports solar-powered charging systems and is suitable for use in consumer electronics such as smartphones and tablets, where compact size and efficiency are crucial. Additionally, it can be utilized in backup power supplies and energy storage systems. Its features include thermal regulation, voltage and current control, making it versatile for various charging scenarios.

Package

The LT3650EDD-4.2#TRPBF is packaged in a 20-lead TSSOP (Thin Shrink Small Outline Package) format. This package type is designed for surface mounting and offers a compact footprint suitable for space-constrained applications.

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