LT3650EDD-8.2#TRPBF

Product Overview

Use

This product is primarily used for charging lithium-ion batteries in various electronic devices such as smartphones, tablets, portable media players, and other portable electronic devices.

Characteristics

Input Voltage Range: 4V to 40V
Output Voltage: 8.2V
Charging Current: Up to 2A
Package Type: DFN-12
Essence: High-efficiency battery charger IC with thermal regulation and constant current/constant voltage charging algorithm.
Packaging/Quantity: The LT3650EDD-8.2#TRPBF is typically sold in reels containing 250 units.

Specifications

Input Voltage Range: 4V to 40V
Output Voltage: 8.2V ±1%
Maximum Charging Current: 2A
Operating Temperature Range: -40°C to 85°C
Efficiency: Up to 95%
Charge Termination: Programmable timer or C/10 termination
Battery Float Voltage: 4.2V
Battery Absorption Voltage: 4.1V
Battery Trickle Charge Voltage: 4.05V
Battery Recharge Threshold: 3.9V
Thermal Regulation: Yes
Reverse Battery Protection: Yes
Short-Circuit Protection: Yes
Package Type: DFN-12

Detailed Pin Configuration

The LT3650EDD-8.2#TRPBF package consists of 12 pins arranged as follows:

VIN: Input voltage pin
GND: Ground pin
PROG: Programming pin for setting the charge termination current
ISET: Programming pin for setting the charging current
STAT: Status output pin indicating charging status
FLT: Fault indicator output pin
TS: Thermal shutdown pin
BAT: Battery voltage sense pin
VFB: Feedback voltage pin
SS: Soft-start capacitor pin
PGND: Power ground pin
VOUT: Output voltage pin

Functional Features

High-efficiency charging: The LT3650EDD-8.2#TRPBF utilizes a high-efficiency switching regulator to maximize charging efficiency and minimize power dissipation.
Thermal regulation: The IC incorporates thermal regulation to prevent overheating during charging, ensuring safe operation.
Constant current/constant voltage charging: The LT3650EDD-8.2#TRPBF employs a constant current/constant voltage charging algorithm to optimize battery charging performance.
Programmable charge termination: The charge termination current can be programmed using the PROG pin, allowing flexibility in charging different battery types.
Reverse battery protection: The IC includes reverse battery protection to prevent damage in case of accidental reverse battery connection.
Short-circuit protection: The LT3650EDD-8.2#TRPBF features built-in short-circuit protection to safeguard against potential damage caused by short circuits.

Advantages and Disadvantages

Advantages

Wide input voltage range allows compatibility with various power sources.
High charging efficiency reduces power consumption and charging time.
Thermal regulation ensures safe and reliable charging.
Programmable charge termination provides flexibility for different battery types.
Built-in reverse battery and short-circuit protection enhance safety.

Disadvantages

Limited output voltage options may not be suitable for all applications.
Requires external components for complete charging circuit implementation.

Working Principles

The LT3650EDD-8.2#TRPBF operates by converting the input voltage to a regulated output voltage suitable for charging lithium-ion batteries. It employs a switching regulator topology to achieve high efficiency and minimize power dissipation. The IC utilizes a constant current/constant voltage charging algorithm to optimize battery charging performance. Thermal regulation is implemented to prevent overheating during charging, ensuring safe operation.

Detailed Application Field Plans

The LT3650EDD-8.2#TRPBF is widely used in various portable electronic devices that require lithium-ion battery charging capabilities. Some common application fields include: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Wearable devices - GPS navigation systems - Portable gaming consoles

Detailed and Complete Alternative Models

LT3650EDD-8.4#TRPBF: Similar to LT3650EDD-8.2#TRPBF, but with an output voltage of 8.4V.
LT3650EDD-7.4#TRPBF: Similar to LT3650EDD-8.2#TRPBF, but with

Orodhesha maswali na majibu 10 ya kawaida yanayohusiana na utumiaji wa LT3650EDD-8.2#TRPBF katika suluhu za kiufundi

Sure! Here are 10 common questions and answers related to the application of LT3650EDD-8.2#TRPBF in technical solutions:

Q: What is the input voltage range for LT3650EDD-8.2#TRPBF? A: The input voltage range for LT3650EDD-8.2#TRPBF is typically between 4.95V and 32V.
Q: What is the output voltage of LT3650EDD-8.2#TRPBF? A: The output voltage of LT3650EDD-8.2#TRPBF is fixed at 8.2V.
Q: What is the maximum charging current supported by LT3650EDD-8.2#TRPBF? A: LT3650EDD-8.2#TRPBF can support a maximum charging current of 2A.
Q: Can LT3650EDD-8.2#TRPBF be used for charging lithium-ion batteries? A: Yes, LT3650EDD-8.2#TRPBF is specifically designed for charging single-cell lithium-ion batteries.
Q: Does LT3650EDD-8.2#TRPBF have built-in thermal protection? A: Yes, LT3650EDD-8.2#TRPBF includes thermal shutdown protection to prevent overheating.
Q: Is LT3650EDD-8.2#TRPBF suitable for portable applications? A: Yes, LT3650EDD-8.2#TRPBF is well-suited for portable applications due to its small form factor and low power consumption.
Q: Can LT3650EDD-8.2#TRPBF operate in a wide temperature range? A: Yes, LT3650EDD-8.2#TRPBF can operate within a temperature range of -40°C to 85°C.
Q: Does LT3650EDD-8.2#TRPBF support battery temperature monitoring? A: No, LT3650EDD-8.2#TRPBF does not have built-in battery temperature monitoring capabilities.
Q: Can LT3650EDD-8.2#TRPBF be used for fast charging applications? A: Yes, LT3650EDD-8.2#TRPBF supports a high charging current, making it suitable for fast charging requirements.
Q: Is LT3650EDD-8.2#TRPBF RoHS compliant? A: Yes, LT3650EDD-8.2#TRPBF is RoHS compliant, ensuring it meets environmental regulations.

Please note that these answers are based on general information about LT3650EDD-8.2#TRPBF and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with technical experts for accurate and detailed information.