XBM3212 Series Li-ion/Polymer 2-Cell Protector
GENERAL DESCRIPTION
XBM3212 Series is a protection IC for 2 serial-cell lithium-ion / lithium polymer rechargeable batteries and includes high accuracy voltage detection circuits and delay circuits.
XBM3212 Series is suitable for protecting 2 serial-cell rechargeable lithium-ion / lithiumpolymer battery packs from overcharge, over-discharge, overcurrent and short-circuiting.
FEATURES
Manufactured with High Voltage Tolerant Process Maximum Rating 30V
Low supply current
2-Cell voltage7.2V Typ. 8µA(Iq)
2-Cell voltage4.0V Typ. 3.3µA(Isd)
SOT23-6 Package
Variety of detector threshold
Over-charge detector threshold-Vcu:3.7V-4.5V step of 0.1V ±25mV
Overcharge Release Voltage-VcL=Vcu-0.2V ±50mV
Over-discharge detector threshold VDL:2.4V-3.0V step of 0.1V ±80mV
Over-discharge Release Voltage-VDR ±100mV
Discharge-current threshold1 0.1V
Short detector threshold 1.0V (Fixed)
Charge-current threshold -0.1V
Over-discharge self-recovery function
Broken line protection function
Over-charge detector Output Delay 1s
Over-discharge detector Output Delay 100ms
Discharge-current detector Output Delay 8ms
Charge-current detector Output Delay 8ms
Short Circuit detector Output Delay 130µs
0V Battery Charging Function
ESD HBM: 4KV
RoHS Compliant and Lead Pb Free
APPLICATIONS
Power Tools
E-Bike
Power Bank
Power Amplifier
2 Cell Lithium-ion or Lithium polymer rechargeable battery pack
