CS5095 USB 5V input three-cell lithium battery boost charging management solution

12V power supply is the standard power supply voltage for many Electronic components or many electronic products. Portable electronic products are no exception, such as portable outdoor juicers that require higher motor speeds, handheld printers that require faster heating speeds, and portable Bluetooth speakers that require greater output power. Three lithium batteries connected in series with 12.6V power supply are the main corresponding methods.

12V power supply is the standard power supply voltage for many electronic components or many electronic products. Portable electronic products are no exception, such as portable outdoor juicers that require higher motor speeds, handheld printers that require faster heating speeds, and portable Bluetooth speakers that require greater output power. Three lithium batteries connected in series with 12.6V power supply are the main corresponding methods.

Lithium batteries are of course inseparable from the charging circuit. The traditional three-cell series lithium battery charging management is mainly based on step-down charging. At present, it is no exaggeration to say that there are more than one USB 5V chargers, and 5V/3A output chargers are also very common. In order to meet the needs of consumers and the market, the USB 5V input boost charging management used for three lithium batteries in series came into being. It can be charged with a single USB cable, which greatly improves the ease of use of such portable products, and manufacturers of finished products can consider shipping without a charger, which reduces the overall cost.

Shenzhen Yongfukang Technology Co., Ltd. has launched USB_5V input boost charging management_CS5095 for three lithium batteries connected in series with 12.6V for practical applications. CS5095 has input adaptive function, any kind of USB interface can be charged normally, the maximum charging current is 1.2A. The simplified general-purpose SOP8 package also has NTC temperature control function. The 18V input withstand voltage margin is sufficient, safe and reliable. It is widely used in Bluetooth audio, square dance audio, drones and other cases.

CS5095 application characteristics

1. CS5095 pin map

CS5095 USB 5V input three-cell lithium battery boost charging management solution

2. CS5095 pin description

CS5095 USB 5V input three-cell lithium battery boost charging management solution

3.CS5095 DEMO schematic

CS5095 USB 5V input three-cell lithium battery boost charging management solution

4. CS5095 DEMO board PCB top design drawing

CS5095 USB 5V input three-cell lithium battery boost charging management solution

5. CS5095 DEMO board PCB bottom design drawing

CS5095 USB 5V input three-cell lithium battery boost charging management solution

6. CS5095 DEMO board patch map

CS5095 USB 5V input three-cell lithium battery boost charging management solution

7. CS5095 DEMO board bill of materials

CS5095 USB 5V input three-cell lithium battery boost charging management solution

8. The physical picture of the CS5095 DEMO board

CS5095 USB 5V input three-cell lithium battery boost charging management solution

9. Two-cell and three-cell lithium battery USB 5V boost charging management selection table

model

Battery

Charging characteristics

Encapsulation

Adaptive function

Withstand voltage

recharging current

CS5080

Double section 7.4V

USB5V input boost type charging, the charging current is adjustable

ESOP-8

≤7V

≤1A

CS5082

USB5V input boost type charging, NTC function, adjustable charging current

ESOP-8

≤7V

≤1A

CS5086

USB5V input boost type charging, NTC function, equalization function, adjustable charging current

ESOP-10

≤18V

≤1.5A

CS5090

USB5V input boost type charging, NTC function, adjustable charging current, high voltage resistance

ESOP-8

≤18V

≤1.5A

CS5095

Three sections 12.6V

USB5V input boost type charging, NTC function, adjustable charging current, high voltage resistance

ESOP-8

≤18V

≤1.2A

Remarks: CS5080/CS5082/CS5090/CS5095 series pins are compatible

The Links:   6DI15A-050 LM190E08-TLJ4 GETCOMPONENT

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