Contents
What is lithium battery protection?
Lithium-ion battery protection ICs protect the lithium-ion battery packs from overcharge, overdischarge, overcurrent and short-circuit condition.
What does IMR battery mean?
An IMR battery is a rechargeable lithium-Ion Manganese battery that is Round. The first letter represents the anode, the second the cathode, and the third the shape. An IMR battery uses Manganese Oxide, where other types of Li-ion rechargeable uses Cobalt Oxide in their cells.
When to use a lithium ion battery protection circuit?
A battery protection circuit should be used to prevent this. Lithium batteries are completely empty when discharged to 2.5 V/cell. Discharging a lithium cell this low is stressful to the cell and reduces cell lifetime. A good battery protection circuit will also provide over-discharge protection.
What do you need to know about protection circuitry?
For specifics on each battery you must look at the datasheet to know what the safe voltages, currents and temperatures are – they can vary from cell to cell. For the first 3 items, a circuit board attached to the battery can monitor the battery voltage and the current going out. These are often referred to simply as protection circuits.
Where is the protection circuit on a LiPoly Battery?
These are often referred to simply as protection circuits. They are very common on standard batteries but you must check the datasheet or product image to verify that a protection circuit is attached. On the batteries we sell, the protection circuit is soldered onto the battery and then taped into the little cavity at the top of the battery.
What should I look for when charging a battery?
There are five main things to watch for when charging and using batteries: Do not charge them above their maximum safe voltage (say 4.2V) – usually taken care of by any on-cell protection circuit Do not discharge them below their minimum safe voltage (say 3.0V) – usually taken care of by any on-cell protection circuit