-What is the difference between lithium-ion battery chargers and adapters?

What is the difference between lithium-ion battery chargers and adapters?
author:enerbyte source:本站 click129 Release date: 2024-01-05 09:56:23
abstract:
The lithium-ion battery charger should have current and voltage control functions that are suitable for battery charging, and be able to float charge and then turn off when fully charged. The basic composition of lithium-ion battery chargers and other rechargeable battery chargers is the same, consi...

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The lithium-ion battery charger should have current and voltage control functions that are suitable for battery charging, and be able to float charge and then turn off when fully charged. The basic composition of lithium-ion battery chargers and other rechargeable battery chargers is the same, consisting of three parts: 1. shell, 2. input/output lines, 3. circuit board, heat sink, and various electronic components. In principle, it is composed of a stable power supply and necessary control circuits such as constant current, voltage limiting, and time limiting.

Adapters usually only supply a DC power supply of around 5V and several hundred mA, which needs to be matched with a charging control circuit (such as a mobile phone) to charge. The adapter can be an independent hardware interface device or an information interface. The commonly used adapters include power adapters, USB and serial port adapter devices, etc.

The important function of an adapter is voltage stabilization, which generally consists of a casing, a power transformer, and a rectifier circuit. Suitable for power supply conversion devices for small portable electronic devices and electronic appliances. It is a type of auxiliary equipment widely used in mother and child computers, game consoles, language repeaters, and so on.

From this, it can be seen that lithium-ion battery chargers include adapter functions because they have an additional control circuit compared to adapters. For example, a mobile phone charger includes three stages: constant current, constant voltage, and trickle charging, which are determined by the charger's own design. On the other hand, the charging control of a laptop is within the computer's body, and the adapter only serves as a voltage regulator, without the constant current and voltage limiting design that these chargers have.

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