LTC4079EDD#TRPBF

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LTC4079EDD#TRPBF

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IC BATT CHG MULTI-CHEM 10DFN

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  • メーカー品番 #LTC4079EDD#TRPBF

  • 在庫状況5595

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性 値
Part Status Active
Battery Chemistry Multi-Chemistry
Current - Charging Constant - Programmable
Programmable Features Timer
Charge Current - Max 250mA
Voltage - Supply (Max) 60V
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 10-WFDFN Exposed Pad
Supplier Device Package 10-DFN (3x3)
Base Product Number LTC4079

概要

Description

The LTC4079EDD#TRPBF is a high voltage, low current, precision shunt battery charger by Analog Devices (formerly Linear Technology). It is designed for charging various battery chemistries, including lithium-ion, lithium-polymer, and other rechargeable cells. This device can operate over a wide voltage range, accommodating input voltages from 3V to 60V, making it suitable for a diverse range of applications.
Key features include a constant-current/constant-voltage (CC/CV) charging profile, programmable charge current up to 250mA, and temperature-compensated voltage regulation. The LTC4079 allows for precise control of the charging process, which is crucial for optimizing battery life and performance. It also includes safety features such as overvoltage protection, undervoltage lockout, and thermal regulation to ensure reliable operation.
The device's compact DFN package and efficient design make it ideal for portable electronics, industrial applications, and backup power systems. Overall, the LTC4079 offers a versatile and robust solution for battery management in low power applications.

Equivalent

The LTC4079EDD#TRPBF is a high voltage, low current, standalone linear battery charger. Equivalent products include:
1. MCP73831 - Microchip's MCP73831 is a popular alternative for single-cell Li-Ion/Li-Polymer battery charging.
2. TP4056 - A common choice in budget applications for single-cell Li-Ion battery chargers.
3. BQ24040 - Texas Instruments offers this as a linear battery charger for single-cell Li-Ion/Li-Polymer batteries.
4. ISL6291 - Renesas' option for a similar single-cell Li-Ion charging application.

Features

The LTC4079EDD#TRPBF is a high-voltage, constant current/constant voltage (CC/CV) battery charger with a wide input voltage range. Key features include:
1. Wide Input Voltage Range: Supports input voltages from 2.7V to 60V, making it versatile for various applications.
2. CC/CV Charging: Offers constant current and constant voltage charging, suitable for single-cell Li-Ion/Polymer batteries.
3. Low Quiescent Current: Features low standby current, enhancing battery life.
4. Programmable Charge Current: Current can be set up to 250mA through external resistors.
5. Precision Float Voltage: Achieves accurate battery float voltage to optimize battery longevity.
6. Thermal Regulation: Automatically reduces charge current to prevent overheating.
7. Reverse Battery Protection: Guards against potential damage when the battery is connected in reverse.
8. Compact Package: Available in a thermally enhanced DFN package for efficient heat dissipation.
These features make the LTC4079EDD#TRPBF suitable for charging applications in various portable electronics where efficiency and safety are critical.

Pinout

The LTC4079EDD#TRPBF is a high voltage, high current, step-down battery charger IC manufactured by Analog Devices. It is designed to efficiently charge various types of batteries, including Li-Ion, LiFePO4, and other chemistries. The device is housed in a 10-lead DFN (3mm x 3mm) package.
Key features and pin functions include:
1. Pin Count: 10 pins.
2. Functions:
- VIN: Input voltage.
- CHRG: Open-drain charge status output.
- GND: Ground reference.
- BAT: Battery connection.
- N/C: Not connected.
- PROG: Programs the charge current.
- RNG/SS: Sets the charge current range and soft-start.
- VCC: Power supply for the IC’s internal circuitry.
- FB: Feedback input for voltage regulation.
- NTC: Input for battery temperature monitoring.
The LTC4079 offers programmable charge current, charge termination, and fault indication, making it versatile for various charging applications.

Manufacturer

The LTC4079EDD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a global company known for designing and manufacturing a wide range of semiconductor products and solutions. It specializes in analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in various electronic equipment. The company's solutions are utilized across multiple industries including automotive, communication, healthcare, industrial automation, and consumer electronics.

Application

The LTC4079EDD#TRPBF is a precision, high voltage, low current linear battery charger. It is ideal for applications requiring efficient and reliable charging of backup batteries, such as in energy harvesting systems, small IoT devices, and low-power portable electronics. It can be used in scenarios where minimizing power consumption and heat generation is crucial, and in systems powered by high-voltage sources like solar panels. Its wide input voltage range and accurate float voltage make it suitable for charging various battery chemistries, including Li-Ion, LiFePO4, and lead-acid batteries. The device is also useful in industrial and consumer electronics that need a compact and efficient battery management solution.

Package

The LTC4079EDD#TRPBF is a battery charger IC from Analog Devices. It is packaged in a 10-lead (3mm x 3mm) plastic DFN (Dual Flat No-Lead) package, which is thermally enhanced for efficient heat dissipation. The "TRPBF" suffix indicates it is tape and reel packaging, RoHS compliant, and lead-free.

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