LT1505CG-1#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Battery Chemistry:	Multi-Chemistry
Number of Cells:	3 ~ 4
Current - Charging:	Constant - Programmable
Programmable Features:	--
Fault Protection:	Over Voltage
Charge Current - Max:	--
Battery Pack Voltage:	20V (Max)
Voltage - Supply (Max):	24V
Interface:	--
Operating Temperature:	0°C ~ 70°C (TA)
Package / Case:	28-SSOP (0.209", 5.30mm Width)
Supplier Device Package:	28-SSOP
Base Part Number:	LT1505

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Introduction:

LT1505CG-1#TRPBF is a powerful integrated power solution from Linear Technology to support medium and high power applications such as from 1V to 6V of Li-ion/Li-polymer battery charging and various power management systems. This single chip IC is a highly efficient, low component count, and low cost solution for the design and development of any next-generation battery charging system. It enables designers to develop a complete power solution using just a few external components and has built-in protection features that make it highly reliable, robust and safe.

Battery Charging Applications:

LT1505CG-1#TRPBF is ideal for battery charging applications requiring an efficient, low component count, and low cost solution. This device can support both medium and high power applications requiring 1V~6V battery charge. It is designed to charge Li-ion and Li-polymer battery packs safely and efficiently with trickle, boost, and constant current and voltage control. It has built-in protection features for overvoltage, current, and temperature that ensure the system runs safely.

Features:

LT1505CG-1#TRPBF offers superior system performance with high efficiency automatic battery pack voltage regulation. Its impressive power delivery capabilities, up to 6V, enable designers to safely charge a variety of Li-ion and Li-polymer battery types. This device is an excellent choice for both medium and high power applications, such as cell phone chargers, portable devices, and other battery powered applications. The power adapter of this device utilizes a simple, low component count scheme with a voltage evaluation circuit and external MOSFETs to control the current supplied to the battery. The controller circuit senses the output current with an external sense resistor and can adjust the output current accurately.

Safety features:

LT1505CG-1#TRPBF provides superior safety features such as overvoltage protection, thermal shutdown, overcurrent protection, and current limit protection to ensure safe operation. It also has a built-in watchdog timer to ensure system reliability.

Performance:

The LT1505CG-1#TRPBF performs consistently under various input conditions, including high ripple input and varying environmental temperatures. Its high efficiency, low component count, and robust safety features make it an ideal solution for battery charging applications. The device also has a low quiescent current, making it suitable for battery powered applications.

Conclusion:

The LT1505CG-1#TRPBF is an excellent integrated power solution for any battery charging application. It is a highly efficient, low component count and cost-effective device for medium and high power applications, and has a variety of safety features to ensure safe operation. This device provides superior performance and reliability under various input conditions, making it ideal for charging Li-ion and Li-polymer batteries.

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