MC3651DFAAAM

MC3651 Series 1 cell lithium–ion/lithium–polymer battery protection IC Outline MC3651 series are protection IC with integrated MOS-FET for protection of the rechargeable Lithium-ion or Lithium-polymer battery.The overcharge, overdischarge and discharging and charging overcurrent protection of the rechargeable one-cell Lithium-ion or Lithium-polymer battery can be detected. Features (Unless otherwise specified, Ta=25°C) (1) Range and accuracy of detection/release voltage Overcharge detection voltage............................. 4.15V to 4.50V, 5mV step........................ Accuracy±20mV Accuracy±25mV (Topr=–5°C to +60°C) Overcharge release voltage................................ 4.00V to 4.35V *1..................................... Accuracy±50mV Overdischarge release voltage............................ 2.00V to 3.00V *2..................................... Accuracy±100mV Overdischarge detection voltage........................ 2.00V to 3.00V *2..................................... Accuracy±100mV Discharging overcurrent detection voltage......... 20mV to 65mV, 1mV................................ Accuracy±5mV (Discharge current limit).......................................(0.310A to 1.00A) Charging overcurrent detection voltage ............. –65mV to –25mV, 1mV.............................. Accuracy±5mV Short detection voltage....................................... Selection from 0.19V, 0.36V...................... Accuracy±50mV (Charge current limit)...........................................(0.385A to 1.00A) (2) Range of detection delay time Overcharge detection delay time........................ Selection from 1.0s fixed Discharging overcurrent detection delay time.... Selection from 8ms, 12ms, 16ms, 20ms, 48ms, 224ms Overdischarge detection delay time................... Selection from 100ms, 256ms Charging overcurrent detection delay time......... Selection from 8.5ms, 16.5ms, 32.5ms Short detection delay time.................................. Selection from 0.50ms, 0.75ms (3) 0V battery charge function.....................................Selection from “Permission” or “Prohibition” *3 (4) Low current consumption Normal mode......................................................Typ. 3.0µA, Max. 4.5µA Stand-by mode...................................................Max. 0.1µA (In case Overdischarge latch function “Enable”) (6) MOS-FET Max. 0.5µA (In case Overdischarge latch function “Disable”) Source to Source on state resistance.................Typ. 65.0mΩ (@VDD=3.5V) (7) Absolute maximum ratings VCC pin...............................................................–0.3V to +12V Drain-source voltage...........................................Max. 24V 1 V- pin...................................................................VDD–24V to VDD+0.3V Drain current......................................................Max. 1.2A Total Power Dissipation......................................Max. 0.4W Storage temperature...........................................–40°C to +125°C Operation temperature........................................–40°C to +85°C *1 Hysteresis voltagebetween Overcharge detection and release voltage is selectable from 0.10V/0.15V/0.20V/0.25V. *2 Please inquire to us about details of the setting of Overdischarge detection and release voltage. *3 In the case of "0V battery charge inhibition", the setting voltage is selectable from 0.65V/0.90V. *4 Please inquire to us, if you need another specifications. M C 3 6 5 1 S e rie s Pin assignment PLP-4E Pin no. (Top view) : =     : =++ Symbol Function 1 S1 Negative power supply and source of discharge MOS-FET terminal. Connect to the negative terminal of the battery. 2 VDD 3 V- Charger negative voltage input terminal. Connect to S2 terminal through R2. 4 S2 Source terminal of charge MOS-FET. Connect to a negative power supply terminal of charger. - D Drain terminal of discharge and charge MOS-FET. Drain terminal must be open electrically. Positive power supply voltage input terminal. Connect to the positive terminal of the battery through R1. LINE UP Optional function MOS -FET Optional function Detection delay time Source to source on-state resistance (@VCC=3.5V ) Charge current limit (@VCC=3.5V ) Discharge current limit (@VCC=3.5V ) Shor t detection delay time Charging overcurrent detection delay time Discharging overcurrent detection delay time Overdischarge detection delay time Overcharge detection delay time Short detection voltage Charging overcurrent detection voltage (@VDD=3.5V ) Discharging overcurrent detection voltage (@VDD=3.5V ) Overdischarge release voltage Overdischarge detection voltage *1 Overcharge release voltage Overdischarge detection Latch function *1 Overcharge detection voltage Overcharge detection Latch function Package 0V battery charge function Product name Detection / Release voltage Vdet1 Vrel1 Vdet2 Vrel2 Vdet3 Vdet4 Vshort tVdet1 tVdet2 tVdet3 tVdet4 tshort Idischg Icharge Rss(on) V V V V mV mV V s ms ms ms µs A A mΩ MC3651DF1AAM PLP-4E 0.65V × 4.280 4.180 2.700 2.700 20.0 -25.0 0.190 1.0 100.0 20.0 8.5 750 0.315 0.390 65.0 MC3651DF3AAM PLP-4E 0.90V × 4.265 4.065 3.000 3.000 20.0 -25.0 0.190 1.0 100.0 20.0 8.5 500 0.315 0.390 65.0 *1 Optional functions Provided. × Not provided. PLP-4E … 5,000pcs/Reel Please inquire to us, if you request a rank other than the above. 2 MC3651 Series Typical application circuit ) 7 9 =++ 6ZJPSSH[VY =JLSS *OHYNL 6]LYJOHYNL 6]LYKPZJOHYNL *OHYNLV]LYJ\YYLU[ )H[[LY` * =:: 3VNPJ *PYJ\P[ * +PZJOHYNLV]LYJ\YYLU[ 9W\ :OVY[J\YYLU[ = 9ZOVY[ 9 +6