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배터리 충전용 IC

Toshiba offers battery charger ICs that provide accurate control over the charging of lithium-ion rechargeable batteries for mobile devices, such as smartphones and cellular phones.

TC7710 Series

Battery Charger IC

The TC7710 battery charger IC integrates a detection circuit corresponding to Battery Charging Specification Revision 1.2 and has a maximum charging current of 2 A*1.
Charging current and voltage are programmable via the I2C bus; thus, charging can be efficiently controlled to suit the needs of a particular mobile device. Combining the TC7710 with an external thermistor helps improve charging system safety.

Key Features
  • Built-in detection circuit correspond to Battery Charging Specification Revision 1.2
  • Temperature detection in combination with an external thermistor for enhanced charging safety
  • Maximum charging current of 2 A*1
  • Current and voltage monitoring for enhanced charging safety
*1 Actual charge current depends on the conditions under which the IC is used, including soldering conditions, thermal dissipation conditions, lithium-ion rechargeable battery specifications, etc.
Key Specifications
Part Number TC7710WBG TC7710AWBG
Charging method Constant-current, constant-voltage (CCCV)
Input voltage range 4.35 to 6.5 V
Charge current 300 to 2000 mA (100 mA/step)
Charge voltage 3.46 to 4.72 V (10 mV/step)
Precharge current (initial) 100 mA 200 mA
Charging enable (EN) pin*2 Active-Low Active-High
Package WCSP25
*2 The active level of the EN pin can be toggled via I2C. Additionally, charging can be enabled and disabled directly via I2C instead of via the EN pin.
Block Diagram

Block Diagram of TC7710

Charging Characteristics

Charging Characteristics of TC7710


  • Mobile devices such as smartphones, cell phones and tablets with a single-cell lithium-ion rechargeable battery.




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·Before creating and producing designs and using, customers must also refer to and comply with the latest versions of all relevant TOSHIBA information and the instructions for the application that Product will be used with or for.