ChargerCore Family (Application-Specific MCU for Battery Charger)
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Manual (Eng)

Brief User's
Manual (Eng)

Brief User's
Manual (Kor)

ChargerCore3.0

20-TSSOP

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EXAMPLE

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General Description
ChargerCore2.0 Family is optimized AS-MCU for Li-Ion battery Charger.
Application Areas
Celluar phone battery charger.
Features
  • CPU
    - 8bit turbo 80C52 architecture
    - 4 cycles/1 machine cycle
    - Instruction level compatible with Intel 80C52
     
  • 2kBytes FLASH (Including 128B User EEPROM)
     
  • Support ISP/IAP of FLASH
     
  • 128 Bytes RAM
     
  • Operating voltage
    - MCU                   : +2.4V ~ +5.5V
    - CC/CV Controller : +2.5V ~ +12.0V
     
  • Operating Frequency (FSYS)
    - 4MHz (Internal Clock, Default) 
    - Max. 12MHz (Internal Clock) 
    - Max. 24MHz @4.5V ~ 5.5V (External Clock)
     
  • Operating temperature
    - MCU                   : -40¡É to 120¡É
    - CC/CV Controller : 0¡É to 85¡É
     
  • Max. Programmable 12 I/O Pins
    - Pull-up control, Open drain, & Push-Pull output
    - TTL and CMOS compatible logic levels
     
  • Configurable Low Voltage Detector (LVD)
     
  • Internal Precision OSC with Calibration function
    - 3.6864MHz @+2.4 V to +3.3 V (±1%)
     
  • 8-channel 10-bit ADC
    - Max 100k SPS (@FADC = 8 MHz)
    - Programmable input clock frequency
     
  • 1-channel 8-bit High Speed PWM
     
  • 23-bit Programmable Watchdog Timer (WDT)
     
  • Two 16-bit Timer/Counters
     
  • Max. 7 Interrupt Sources
    - Timer0/1, WDT, ADC, PWM
    - 2 External Interrupt Sources : Both Edge/Level
    - Two-level Interrupt Priority
     
  • Reset Sources
    - On-chip Power-On-Reset(POR)
    - External Reset
    - Configurable Low Voltage Detector Reset (LVR)
    - Watchdog Timer Reset
     
  • Power Down Wake-up Sources
    - Reset Sources + 2 External Interrupt (Low Level)
    - WDT interrupt
     
  • Power Consumption (TBD)
     - Active Current : Max. 2mA @+3.0V, 2MHz
    - Idle Current : Max. 0.5mA @+3.0V, 2MHz
    - Stop Current : Max. 1uA @+5.0V (All Clock OFF)
     
  • E.S.D. protection up to 2000V

  • Latch-up protection up to ±200mA

  • Package
    - 20-TSSOP
     
  • Complete Charger for Li-Ion Batteries

  • Very Low Thermal Dissipation

  • CC(Constant Current) Profile
    • Charger Current : Dependent on Maker
    • ID
       - 1.5K¥Ø: 750mA ±50mA
      - 4.7K¥Ø: 750mA ±50mA
      - 27K¥Ø: 450mA ±50mA
  • CV (Constant Voltage) Profile
    - Charge Voltage : +4.2V (-0.05V/+0.03V)
  • Wake-up
    - Wake-up Charging when the initial battery voltage is below 2.5V
    - 30 times repeat (charging during 5sec, standby during 2sec)
    - Fast Charging at 2.5V above
  • Current Cut-off
    - 30 ~ 100mA
  • Recharge when below +4.07V ±0.05V
  • Chargeable Ambient Temperature Range
    - -5¡É±3¡É¢¦45¡É±3¡É
  • Charging Time
    - Fast Charge : 4 hours
    - Recharge     : 2 hours
  • Over-Voltage Protection
    - Charge Cut-off when 4.35V±0.05 above
  • Error Mode
    - When battery voltage is greater than 4.35V
    - Short or Open in charging
    - Detecting Abnormal Battery
  • LED Display
    - Red : in charging or in wake-up mode
    - Green : charge completion or in recharging
    - Yellow : Stand-by due to Temperature Emergency
    - Yellow Flickering : in Error mode
     
  • Korea TTA Specification Certification