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FUMAN ELECTRONICS

TC4056A Datasheet Preview

TC4056A Datasheet

1A Linear lithium ion battery charger

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Shenzhen Fu Man Electronics Group Co., Ltd.
SHEN ZHEN FINE MAD ELECTRONICS GROUPCO., LTD.
TC4056A ( File No: S & CIC1103)
1A Linear lithium ion battery charger
First, the product description
TC4056A It is a complete single lithium-ion battery with a constant current / constant-voltage linear charger. Bottom finned
ESOP8 / DIP8 With fewer number of external elements such that the package TC4056A Ideal for portable applications. TC4056A You can fit USB Power adapter and power supply.
As a result of internal PMOSFET Architecture, coupled with anti-down charge circuit, so that no external blocking diode. Thermal feedback to automatically adjust the charging current to
limit the die temperature during high power operation or high ambient temperature conditions. The charge voltage is fixed at 4.2V , The charge current can be set by an external resistor. When the
charge current drops to the final value after reaching float voltage 1/10 Time, TC4056A The charge cycle is automatically terminated.
When the input voltage (AC adapter or USB Power) is removed when, TC4056A Automatically enters a low current state, the drain current to the battery
2uA the following. TC4056A When a power supply may be placed in shutdown mode, reducing the supply current is reduced to 55uA . TC4056A Other features include a battery temperature
detection, undervoltage lockout, automatic recharge and two for indicating the charging end led State pin.
Second, characteristics
Up 1000mA Programmable charge current
No need MOSFET , Sense resistor or blocking diode
A single lithium-ion batteries, using SOP Complete Linear charger package
Constant-current / constant-voltage operation, and having a charge rate can be achieved without risk maximize overheating thermal regulation
Accuracy ± 1.5% of 4.2V Predetermined charge voltage
Current monitor for detecting the output of battery
Automatic recharge
Dual output state of charge, and fault-free battery status display
C / 10 Charge termination
Current supply in the standby mode 55uA
2.9V Trickle Charge version
Soft-start limits inrush current
Battery temperature monitoring function
• use 8 Pin package ( ESOP-8 , DIP-8 )
Third, the product application
mobile phone, PDA
• MP3 , MP4 player
Digital cameras
E-dictionary
• GPS
Portable equipment, various chargers
Fourth, the absolute maximum ratings
Input supply voltage ( Vcc ): - 0.3V ~ 8V
• PROG : - 0.3V ~ Vcc + 0.3V
• BAT : - 0.3V ~ 7V
• GHRG : - 0.3V ~ 10V
• STDBY : - 0.3V ~ 7V
• TEMP : - 0.3V ~ 7V
• CE : - 0.3V ~ 7V
www.superchip.cn
BAT Short circuit duration: Continuous
• BAT Pin Current: 1200mA
• PROG Pin Current: 1200uA
The maximum junction temperature: 145 ℃
Operating temperature range: - 40 ℃ ~ 85 ℃
Storage temperature range: - 65 ℃ ~ 125 ℃
Lead Temperature (Soldering 10 second): 260 ℃
The first 1 Total 20 page
Version 1.1




FUMAN ELECTRONICS

TC4056A Datasheet Preview

TC4056A Datasheet

1A Linear lithium ion battery charger

No Preview Available !

Shenzhen Fu Man Electronics Group Co., Ltd.
SHEN ZHEN FINE MAD ELECTRONICS GROUPCO., LTD.
TC4056A ( File No: S & CIC1103)
1A Linear lithium ion battery charger
Five complete charging cycle ( 1000mAh battery)
VI Package / ordering information and functions
TEMP 1234
PROG
GND
TC4056A
VCC
CE CHRG
STDBY
BAT
5678
TEMP (Pins 1 ): Battery temperature detection input terminal. will TEMP Pin to current NTC The output of the sensor. in case TEMP Pin voltage less than the input voltage 45% Or greater than
the input voltage 80% It means that the battery temperature is too low or too high, the charging is suspended. in case TEMP Direct access GND Battery temperature detection function is canceled,
another charging function properly.
PROG (Pins 2 ): Constant charge current and a charge current monitoring terminal is provided. From PROG Pin is connected to the ground terminal of an external resistor can be programmed
charging current. In the precharge phase, the voltage at this pin is modulated 0.1V ; Constant-current charging phase, the voltage at this pin is fixed 1V . In all modes, the state of charge,
measuring the voltage at pin charging current can be estimated according to the following formula:
GND (Pins 3 ): Power ground.
VCC (Pins 4 ): Input voltage at the positive input terminal. This voltage is the power supply pin of the internal circuit. when Vcc versus BAT Is smaller than the voltage difference between pins
30 m V Time, TC4056A Enters low power shutdown modes, then BAT Pin current is less than 2uA .
BAT (Pins 5 ): A battery connection terminal. The positive terminal of the battery is connected to this pin. In the chip disable mode or in sleep mode, BAT Pin leakage current is less than 2uA . BAT
Pin provides charge current to the battery, and 4.2V Limit voltage.
www.superchip.cn
The first 2 Total 20 page
Version 1.1


Part Number TC4056A
Description 1A Linear lithium ion battery charger
Maker FUMAN ELECTRONICS
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TC4056A Datasheet PDF






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