The SGMICRO IC is high quality! Complete Charger for Single-Cell Li-Ion or Polymer Batteries
Integrated Pass Element and Current Sensor
No External Blocking Diode Required
Low Component Count and Cost
Programmable Charge Current
Programmable End-of-Charge Current
Charge Current Thermal Foldback for Thermal
Protection
2.55V Trickle Charge Threshold
6.8V Input Over-Voltage Protection for SGM4056-6.8
26.5V Maximum Voltage for the Power Input
Power Presence and Charge Indications
Less than 1μA Leakage Current off the Battery
When No Input Power Attached or Charger
Disabled
Available in Green TDFN-3×3-8L, TDFN-2×3-8L,
TDFN-2×2-8L and SOIC-8 (Exposed Pad) Packages
ABSOLUTE MAXIMUM RATINGS
VIN to GND ........................................................ -0.3V to 30V
PPR , CHG , EN, IMIN, IREF, BAT to GND ....... -0.3V to 6V
Storage Temperature Range ........................-65℃ to +150℃
Package Thermal Resistance
TDFN-3×3-8L, θJA...................................................... 84℃/W
TDFN-2×3-8L, θJA.................................................... 110℃/W
TDFN-2×2-8L, θJA.................................................... 118℃/W
SOIC-8 (Exposed Pad), θJA ....................................... 58℃/W
Junction Temperature.................................................+150℃
Lead Temperature (Soldering 10 sec) ........................+260℃
ESD Susceptibility
HBM.............................................................................4000V
MM.................................................................................200V
CDM ............................................................................1000V
RECOMMENDED OPERATING CONDITIONS
Operating Temperature Range.......................-40℃ to +85℃