TP4055 500mA linear lithium-ion battery charger Top Power

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Product Details

Brand Name	Top Power	Place of Origin	China
Model Number	TP4055	Type	Other, Linear lithium-ion battery charger
Package	SOT-23-5	D/C	21+

Product Description

Factory

TP4055 NanJing Top Power ASIC Corp 500mA linear lithium-ion battery charger describe TP4055 is a complete single section lithium-ion battery charger with battery positive and negative polarity reverse protection, using constant Linear control of current/constant voltage. Its SOT packaging and fewer external components make the TP4055 a portable application Ideal choice for use. TP4055 can be suitable for USB power supply and adapter power supply operation. Due to the use of an internal PMOSFET architecture and an anti backcharging circuit, there is no need for external detection resistors and Isolation diode. Thermal feedback can automatically adjust the charging current for high-power operation or high ambient temperature conditions Lower the temperature limit on the chip. The full charge voltage is fixed at 4.2V, while the charging current can be externally controlled through a resistor Settings. When the battery reaches 4.2V and the charging current drops to 1/10 of the set value, TP4055 will automatically terminate charging. When the input voltage (AC adapter or USB power supply) is removed, TP4055 automatically enters a low current state State, the battery leakage current is below 2uA. Other features of TP4055 include charging current monitor, undervoltage lockout, and self Dynamic recharge and a status pin used to indicate the end of charging and input voltage connection. characteristic ·Lithium battery positive and negative polarity reverse protection; ·Programmable charging current up to 500mA; ·No need for MOSFETs, detection resistors, or isolation diodes; ·For single lithium-ion batteries ·Constant current/constant voltage operation, with the ability to operate without overheating risk Thermal regulation function to maximize charging rate in case of danger; ·Single lithium-ion batteries can be charged directly from the USB port; ·The maximum input can reach 9V; ·4.2V preset charging voltage with an accuracy of ± 1%; ·Automatic recharge; ·1 charging state open drain output pin; ·C/10 charging termination; ·The power supply current in standby mode is 40uA; ·2.9V trickle charging; ·Soft start limits surge current; ·Using a 5-pin SOT-23 package. application ·Charging stand ·Cellular phone, PDA, MP3 player ·Bluetooth applications Typical Applications 500mA single lithium-ion battery charger Absolute maximum rating ·Input power voltage (VCC): -0.3V~9V ·PROG: -0.3V~VCC+0.3V ·BAT: -4.2V~7V ·CHRG: -0.3V~10V ·BAT short-circuit duration: continuous ·BAT pin current: 500mA ·PROG pin current: 800uA ·Maximum junction temperature: 145 ℃ ·Working environment temperature range: -40 ℃~85 ℃ ·Storage temperature range: -65 ℃~125 ℃ ·Pin temperature (welding time 10 seconds): 260 ℃

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Shenzhen Kexinxin Technology Co., Ltd.: Contact nameAaron Lin
Chat Now; Phone86-0755-23617721; AddressFutian, Shenzhen, Guangdong

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TP4055 500mA linear lithium-ion battery charger Top Power

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