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CST5080H
CST5080H is a synchronous boost dual cell lithium battery charging management chip.
CST5080H supports a maximum charging current of 2A, and the charging current in constant current mode can be adjusted by setting the resistance value of the RCHG resistor.
CST5080H provides standard packaging for eSOP-8L.
CST5080H supports a maximum charging current of 2A, and the charging current in constant current mode can be adjusted by setting the resistance value of the RCHG resistor.
CST5080H provides standard packaging for eSOP-8L.
CST5080H Description:
CST5080H is a synchronous boost dual cell lithium battery charging management chip. The chip integrates low on resistance power transistors to achieve high charging efficiency. The chip uses a switching frequency of 1.2MHz and supports 1uH small volume power inductors, requiring only a few peripheral devices to operate.
CST5080H has a built-in input adapter current limiting DPM function. Different DPM clamp voltage values can be set through external voltage divider resistors to match the output capabilities of different adapters. The chip also has an LED light status indicator function, which can determine the working status of the battery through the LED light effect.
CST5080H supports a maximum charging current of 2A, and the charging current in constant current mode can be adjusted by setting the resistance value of the RCHG resistor. In addition, the chip integration has multiple protection functions, which can maximize the protection of the chip and improve the reliability of the product.
CST5080H provides standard packaging for eSOP-8L.
CST5080H Features:
Fixed 1.2MHz switching frequency, capable of supporting 1uH inductance
Maximum 2A charging current, adjustable current
Support battery short circuit/trickle/constant current/constant voltage mode charging
The default float charging voltage of the battery is 8.4V (8.7V can be customized)
External input current limiting DPM function, voltage adjustable
Support LED charging status indication
Built in input UVLO and OVP protection functions
Built in battery overvoltage and thermal regulation protection functions, etc
Battery anti reverse connection function
CST5080H provides ESOP-8L packaging
CST5080H Applications:
CST5080H is a synchronous boost dual cell lithium battery charging management chip. The chip integrates low on resistance power transistors to achieve high charging efficiency. The chip uses a switching frequency of 1.2MHz and supports 1uH small volume power inductors, requiring only a few peripheral devices to operate.
CST5080H has a built-in input adapter current limiting DPM function. Different DPM clamp voltage values can be set through external voltage divider resistors to match the output capabilities of different adapters. The chip also has an LED light status indicator function, which can determine the working status of the battery through the LED light effect.
CST5080H supports a maximum charging current of 2A, and the charging current in constant current mode can be adjusted by setting the resistance value of the RCHG resistor. In addition, the chip integration has multiple protection functions, which can maximize the protection of the chip and improve the reliability of the product.
CST5080H provides standard packaging for eSOP-8L.
CST5080H Features:
Fixed 1.2MHz switching frequency, capable of supporting 1uH inductance
Maximum 2A charging current, adjustable current
Support battery short circuit/trickle/constant current/constant voltage mode charging
The default float charging voltage of the battery is 8.4V (8.7V can be customized)
External input current limiting DPM function, voltage adjustable
Support LED charging status indication
Built in input UVLO and OVP protection functions
Built in battery overvoltage and thermal regulation protection functions, etc
Battery anti reverse connection function
CST5080H provides ESOP-8L packaging
CST5080H Applications:
Bluetooth lithium battery applications, electronic cigarettes, electric toothbrushes, portable lithium battery laptops, lithium battery smartphones, PDAs, MP3 and PM4 players, PSP and NDS portable game consoles, etc
CST5080H Typical schematic diagram:
CST5080H Pin diagram and pin description：
CST5080H Internal Block Diagram:
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