MM1214 MITSUMI | Alldatasheet

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Technical content

Features

  1. Input voltage range 4.5V~15.0V 2. Current consumption (V IN pin) V BATT<4.1V 9mA typ. 3. Current consumption (V CC pin) I BATC=0mA 500µA typ. 4. Charging current switching voltage 2.7V±0.1V 5. Charging current (normal conditions) 105mA typ. 6. Charging current (low voltages) 5.0mA typ. 7. Charging control voltage (Ta = 8. Overvoltage detection voltage (Ta = -20~+70°C) 4.335V±0.065V 9. Overvoltage reset voltage 3.50V±0.13V 10.Overvoltage detection non-induction time C CC=2.22µF 0.80S typ. 11.Overvoltage reset non-induction time C CC=0.22µF 0.80S typ. During discharging 12.Current consumption (Vbat pin) I L=10mA 450µA typ. 13.Current consumption (Vbat pin) I L=0mA 15µA typ. 14.Current consumption (Vbat pin) discharging off, :VBAT<2.4V 0.1µA max. 15.Excess discharging detection voltage 2.30V±0.19V 16.Discharge resumption voltage 2.70V±0.1V 17.Voltage drop between battery and output (V BATT=3.0V, IL=-10mA) 70mV typ. 18.Voltage drop between battery and output (IL=100µA, VBATT=3V) 2.92V typ. Package SSOP-16A (MM1214XF) Application For overnight charging

MITSUMI Control of Lithium Ion Battery Charging and Discharging MM1214 Pin Assignment

1 GND 9 VO2

2 N.C 10 VO1

3 TCH 11 VBAT

4 CD 12 N.C 5 N.C 13 VIN 6 N.C 14 N.C 7 N.C 15 VCC 8 VOV 16 N.C SSOP-16A 13 7 624 58 16 13 1115 14 12 910 Block Diagram Absolute Maximum Ratings Item Symbol Rating Units Storage temperature TSTG -40~+125 °C Operating temperature TOPR -20~+70 °C input voltage VINN max. 18 V Power supply voltage VCC max. 18 V Battery voltage VBAT max. 4.4 V VOV pin applied voltage VVOV max. 10 V TCH pin applied voltage VTCH max. 10 V Charging current ICHG max. -150 mA Output current IBAT max. -30 mA Allowable power dissipation 1 Pd1 500 mW Allowable power dissipation 2 (Note 1) Pd2 1000 mW Note 1 : When mounted on glass epoxy board (10 25 0.8) Plated area 80% (Refer to Fig.1)

MITSUMI Control of Lithium Ion Battery Charging and Discharging MM1214 Electrical Characteristics (Unless otherwise specified Ta=25°C, V CC, VIN=6.5V) Note 2 : During rapid charging, use 5.5 V Vin power supply. Note 3 : VO2 has no current supply capacity, so do not connect load. Item Symbol Measurement Conditions Min. Typ. Max. Units Charging input operation range 1 VINOPR1D uring low-current charging (Note 2) 4.50 (15.0) V Charging input operation range 2 VINOPR2 During rapid charge 4.50 5.5 V Power supply input operation range VCCOPR Charging OFF 4.50 15.0 V Current consumption (VIN pin) IIN VBAT < 4.1V 9 12 mA Current consumption (VCC pin) ICC IBATC=0mA 500 750 µA Current consumption (VBAT pin) 1 IBAT1I L=10mA, VCC=0V, VBATT=3V 450 550 µA Current consumption (VBAT pin) 2 IBAT2I L=0mA, VCC=0V, VBATT=3V 15 30 µA Current consumption (VBAT pin) 3 IBAT3 VBAT < 2.4V (Discharging OFF), VCC=0V 0.1 µA Charge control voltage VBATC Ta=-20~+70°C 4.137 4.200 4.263 V Overcharge detection voltage VBATU Ta=-20~+70°C 4.270 4.335 4.400 V Detection voltage margin 1 VUC VBATU-VBATC, Ta=-20~+70°C 100 135 mV Charge hysteresis voltage VCH VBATT=3.0V 2.0V 300 400 500 mV Charge current (During low voltage) ITCH VBATT < VCH- VCH -6.5 -5.0 -3.5 mA Charge current (Normal) IBATC1 4.0V > V BAT > VCH -115 -105 -95 mA Charge current 1 (Normal) IBAT1CT Ta=-20~+70°C, V IN=4.5V~5.5V -120 -105 -90 mA Charge current 2 (Normal) IBAT2CT Ta=-20~+70°C, V IN=4.5V~6.5V -125 -105 -90 mA Charge with constant current mode OFF IBATC2V BAT=4.0V -115 -80 mA Discharge resumption voltage VBATD VCC > 4.5V 2.60 2.70 2.80 V Voltage drop between battery and output VCE VBAT=3.0V, IL=10mA 70 100 mV VOV pin sink current ISIVOV VBATT=4.4V, VVOV=0.4V 1.00 4.00 mA VOV pin leak current ILVOV VBAT=4.0V 0.1 µA VOV pin output voltage VVOV IVOV=1mA 0.25 0.35 V TCH pin sink current ISITCH VBAT=2.0V, VTCH=0.4V 1.00 4.00 mA TCH pin leak current ILTCH VBAT=3.0V 0.1 µA TCH pin output voltage VTCH ITCH=1mA 0.25 0.35 V CD pin charge current ICDC VCD=1.5V, VBAT=4.4V -800 -600 -400 nA CD pin discharge current ICDDC VCD=1.5V, VBAT=3.0V 500 680 860 nA CD pin H voltage VCDH VBATT=4.5V 2.65 2.90 3.15 V CD pin threshold voltage 1 VTHC1V CD=3V 0V 0.65 0.73 0.91 V CD pin threshold voltage 2 VTHC2V CD=0V 3V 2.00 2.35 2.70 V Overvoltage detection non-induction time tDCD1C CD=0.22µF 0.40 0.80 1.60 S Overvoltage reset non-induction time tDCD2C CD=0.22µF 0.40 0.80 1.60 S

MITSUMI Control of Lithium Ion Battery Charging and Discharging MM1214 Charcteristics PD [mW] 1200 1000 800 600 400 200 25 50 70 100 125 TEMP [°C] SSOP-16A When mounted on glass epoxy base (10 25 0.8 [mm]) Prated area 80% Fig.1 Application Circuits