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Power Management
NJW4100

Lithium-ion Battery Charger Controller IC with Timer

Features
  • Adjustable Charge Voltage
  • Adjustable Pre-Charge and Full Charge Current
  • Temperature Monitor
  • Over Charge Timer
  • Internal Re-Charge function
  • Delay timers and Hysteresis inputs for high noise immunity
  • Over Discharge Battery Detect
  • Over Voltage Protection
  • Bi-CMOS Technology
  • Package Outline (DMP20,SSOP20)
General Description
The NJW4100 is a Lithium-ion Battery Charger Controller IC with over charger timer. Charger current and voltage can individually be set by the external resistors. Therefore, it can be used for a wide range of battery cells for both 1-cell and 2-cell applications. It includes a lot of safety features for safety conscious design: Over voltage, Over discharge, temperature monitor and over charge timers.
Package Information
Part Number Package OutlinePinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow soldering Iron solderingPacking ConditionMSLSolder Foot Print
NJW4100M download
DMP20
20 Sn2Bi 185 Yes Yes Yes Non dry pack 1
NJW4100V download
SSOP20
20 Sn2Bi 87 Yes - Yes Non dry pack 1
Sample & Buy
Part NumberPackagesStatusPacking SpecificationSampleBuy
NJW4100M DMP20 (Active)
NJW4100V SSOP20 (Active)
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