BQ2002ESNG4

Series:	--
Packaging:	Tube
Part Status:	Active
Battery Chemistry:	Multi-Chemistry
Number of Cells:	--
Current - Charging:	Constant, Pulsed
Programmable Features:	Voltage
Fault Protection:	--
Charge Current - Max:	--
Battery Pack Voltage:	2V
Voltage - Supply (Max):	6V
Interface:	--
Operating Temperature:	0°C ~ 70°C (TA)
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	BQ2002

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PMIC - Battery Chargers: BQ2002ESNG4 Application Field and Working Principle

Battery charging systems are an integral part of any electronic device or system. They ensure that the battery is kept at an optimal level at all times, guaranteeing efficient and prolonged battery life. Battery chargers are responsible for charging and maintaining the battery, and the battery charger used in any given system will determine the overall reliability and longevity of the device. The BQ2002ESNG4 is a highly reliable and efficient battery charger that is suitable for a wide range of applications. The BQ2002ESNG4 is a switched-mode Power Management Integrated Circuit (PMIC) that is typically used in battery charger applications. It is a high-efficiency charging device that can be used for both NiMH and NiCd batteries, with an input voltage range of 0.9V to 8 V, and an output voltage range of 1.2 V to 6 V. The BQ2002ESNG4 can be used for both single-cell and multi-cell battery chemistries, providing the user with flexibility and control. The BQ2002ESNG4 has a number of important features that make it an ideal choice for a wide range of applications. It is capable of charging batteries of varying sizes, from 40 mAh to 2000 mAh, and the maximum charge current is adjustable between 200 mA and 1.5 A. Additionally, the battery charger includes an integrated current thermal limit function, overvoltage protection and reverse battery protection, as well as an adjustable charge termination voltage. The BQ2002ESNG4 is also equipped with an integrated miniature ADC and an onboard temperature sensor, allowing for true high-performance, precision charging. The BQ2002ESNG4 is packaged in a small 5x6mm lead-free package, with the output pins on one side and the input pins on the other. It has an integrated power switch on the input side, allowing for a simple and reliable connection to the external charging source. The BQ2002ESNG4 can be used in a wide range of applications and projects, such as portable electronics, toys, radio-controlled devices and medical devices. It can also be used for powering LED lighting applications, as well as for solar charger applications. The BQ2002ESNG4 is a reliable, efficient and cost-effective battery charger for a variety of applications, providing the user with flexibility, control and reliable charging performance.The BQ2002ESNG4 works by regulating the flow of current from the input source (battery charger or AC adapter) to the battery. It utilises a switched-mode power supply (SMPS) to regulate the current, and the input and output voltages are finely controlled using Pulse Width Modulation (PWM). This ensures that the battery is kept at an optimal level at all times. The BQ2002ESNG4 also features safety features such as current thermal limit and overvoltage protection. The BQ2002ESNG4 is one of the most widely used and widely relied upon battery chargers on the market. It is a reliable, efficient and cost-effective choice for a variety of applications and projects. It offers the user flexibility, control and reliable performance, as well as added safety features for peace of mind. The BQ2002ESNG4 is an excellent choice for applications requiring reliable and highly efficient battery charging.

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