MAX17005AETP+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Battery Chemistry:	Multi-Chemistry
Number of Cells:	3 ~ 4
Current - Charging:	Constant - Programmable
Programmable Features:	--
Fault Protection:	Over Current, Short Circuit
Charge Current - Max:	5A
Battery Pack Voltage:	16.8V
Voltage - Supply (Max):	26V
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	20-WFQFN Exposed Pad
Supplier Device Package:	20-TQFN (4x4)
Base Part Number:	MAX17005

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Introduction
The MAX17005AETP+T is a high-efficiency controller IC, designed to provide a constant current and constant voltage for both NiMH and NiCd battery. It supports a variety of input voltage sources and PWM control techniques to regulate a constant current for the battery. With an integrated voltage comparator and threshold comparator, the MAX17005AETP+T can work with a wide range of battery cell. It features an intelligent safety monitoring, including an Overtemperature Protection (OTP) and overvoltage protection (OVP). Besides, its integrated power regulator operates over a wide input voltage range, which makes it suitable for various power management applications.

Application Field of MAX17005AETP+T
The MAX17005AETP+T is a member of the MAX17005AETP+T family of battery chargers, which makes it suitable for a variety of portable devices and power tools. This battery charger IC is suitable for use in robotic vehicles, medical equipment, portable navigation systems, communication systems, and other power management applications where reliable and constantcharging of battery cells is required. It also works for digital cameras, camcorders, cell phones and other digital devices that require a constant voltage charge for their internal batteries. With its advanced features and wide input voltage range, it is a cost efficient solution for devices that require constant current and constant voltage conditions for safe battery charging.

Working Principle of MAX17005AETP+T
The MAX17005AETP+T works on the principle of voltage regulation. It regulates the input voltage and the output current to ensure the battery cells receive a consistent level of charge. It also works to protect the battery cells from overcharging, overvoltage, and overtemperature. The internal PWM loop regulates the charging current, while its integrated OVP/OTP comparators continually monitor the temperature of the battery cells and will automatically disconnect them if they exceed the set threshold limits. The MAX17005AETP+T also features fast turn-off, adjustable overvoltage and overcurrent protection, low input threshold voltage, and quick start-up capability for greater efficiency.

Conclusion
The MAX17005AETP+T is a reliable and efficient controller IC, suitable for use in a wide range of applications where constant voltage and current are required for battery cell charging. Its integrated voltage comparator and threshold comparator makes it compatible with a wide range of cells, while its intelligent safety monitoring feature ensures the safety of the cells from overvoltage, overtemperature and overcharging. The wide input voltage range and quick start-up capability makes it suitable for any power management application, while its efficient power regulating feature ensures that the current delivered to the battery cells is always optimal.

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