MC3761 Series

MC3761 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 Lithiumpolymer battery can be detected.

For one-cell

(1) Range and accuracy of detection/release voltage
　●Overcharge detection voltage 4.20V to 4.70V, 5mV step Accuracy ±20mV
　●Overcharge release voltage Vdet1-0.4V to Vdet1,100mV step Accuracy -30/+20mV (Vdet1=Vrel1)
　　 Accuracy ±30mV (Vdet1≠Vrel1)
　●Overdischarge detection voltage 2.00V to 3.30V, 50mV step Accuracy ±30mV
　●Overdischarge release voltage Vdet2+0.4V to Vdet2,100mV step Accuracy -30/+40mV (Vdet2=Vrel2)
Accuracy ±90mV (Vdet2≠Vrel2)
　●Discharging overcurrent detection voltage +8mV to +110mV, 1mV step Accuracy *1
　　(Discharging overcurrent detection current 0.140A to 1.95A)
　●Discharging overcurrent release voltage Selection from VDD-0.7V, Vdet3, 1.4V
　●Charging overcurrent detection voltage -100mV to -8mV, 1mV step Accuracy *1
　　(Charging overcurrent detection current -0.140A to -1.75A)
　●Short detection voltage 0.040V to 0.700V, 5mV step Accuracy ±20 to 50mV

(2) Range of detection delay time
　●Overcharge detection delay time 1.0s fixed
　●Overdischarge detection delay time Selection from 20ms, 96ms, 144ms
　●Discharging overcurrent detection delay time Selection from 6ms, 8ms, 12ms, 16ms, 20ms, 32ms,128ms, 256ms, 512ms
　●Charging overcurrent detection delay time Selection from 8ms, 16ms, 32ms
　●Short detection delay time 150us to 550us, 50us step

(3) 0V battery charge function Selection from "Inhibition" or "Permission"

(4) Low current consumption
　●Normal mode Typ. 1.0μA, Max. 1.4μA
　●Standby mode Max. 0.025μA (In case Overdischarge latch function "Enable")
Max. 0.550μA (In case Overdischarge latch function "Disable")

(5) MOS-FET Source to Source on state resistance Typ. 56.5mΩ (@VDD=3.5V)

• PLP-6J