HY2110 - HB is a protection IC for 1 - cell lithium - ion/lithium - polymer batteries by HYCON

Functions

• High - precision voltage detection: It has a built - in high - precision voltage detection circuit. 
• The over - charge detection voltage is 4.250~4.350V with an accuracy of ±50mV, and the over -
•  charge release voltage is 4.050~4.150V with an accuracy of ±50mV. 
• The over - discharge detection voltage is 2.30~2.90V with an accuracy of ±100mV, 
• and the over - discharge release voltage is 2.90~3.00V with an accuracy of ±100mV. 
• The discharge over - current detection voltage is 150mV with an accuracy of ±30mV, 
• and the load short - circuit detection voltage is a fixed 0.85V with an accuracy of ±300mV.
• Internal delay setting: Each delay time is set by the internal circuit without the need for an external capacitor. 
• The typical value of the over - charge detection delay time is 100ms, 
• the typical value of the over - discharge detection delay time is 25ms, 
• the typical value of the discharge over - current detection delay time is 10ms, 
• and the typical value of the load short - circuit detection delay time is 500μs.
• Selectable functions: It has selectable sleep function and over - discharge self -
•  recovery function. Users can refer to the product catalog for specific settings.
• Low power consumption: In the working mode, the typical value of the current is 3.0μA, 
• and the maximum value is 6.0μA (VDD = 3.9V) for the models with sleep function.
• High - voltage resistant design: The terminals connected to the charger
•  (CS terminal and OC terminal) adopt a high - voltage resistant design, with a rated value of 20V.
• Selectable charging function for 0V battery: The function of charging a 0V battery
•  can be selected as "allowed" or "prohibited", and the specific situation can be found in the product catalog.
• Wide temperature range: It has a wide operating temperature range of - 40℃~+85℃, 
• and a storage temperature range of - 40℃~+125℃. The allowable power consumption is 250mW.
• Environment - friendly product: It is a halogen - free green product.
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Applications

HY2110 - HB is suitable for 1 - cell lithium - ion rechargeable battery packs and 1 - cell lithium - polymer rechargeable battery packs, 

and can be used in scenarios where single - cell lithium - ion/lithium - polymer rechargeable batteries need to be protected, 

such as some portable electronic devices, small - scale energy storage devices, et

electric toothbrushes, telephone watches, electric fans, etc.

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