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BQ2057WTSTRG4

Texas Instruments BQ2057WTSTRG4

Price $0.71 $1.00 $1.95 $2.48 $0.85 $3.74 $0.91
RoHS Yes Yes Yes Yes Compliant Yes Compliant Compliant Compliant Compliant
Lead Status Yes Yes Yes Yes No Yes No No No No
Approx. Price (US$) 0.30 | 1ku 1.20 | 1ku 1.20 | 1ku 2.21 | 1ku 0.35 | 1ku 1.95 | 1ku 0.35 | 1ku 1.75 | 1ku 0.80 | 1ku
Function Protection Charger Front-End Protection Charger Front-End Protection Charger
Rating Catalog Catalog Catalog Catalog
Package Group WSON VQFN VQFN TSSOP WSON WSON DSBGA,VQFN SOIC,TSSOP
Communication Interface No Communication No Communication No Communication
# Series Cells (Min) 2 1 1
Typical Operating Current(Typ)(uA) 1 400 400
# Series Cells (Max) 4 1 1
Vin(Max)(V) 20 30 17 30 30
Battery Over-Voltage Protection(Typ)(V) 4.5 4.35 4.35
Special Features LDO,Programmable EEPROM or EPROM Power Path,Temp Monitoring (Thermistor Pin),Thermal Regulation Power Path,Temp Monitoring (Thermistor Pin),Thermal Regulation Power Path Power Path,Standard BAT Temp Monitoring,OTG Integrated FET,JEITA BAT Temp Monitoring,Over Voltage Protection,Power Path,Standard BAT Temp Monitoring,Under Voltage Protection Temp Monitoring (Thermistor Pin)
Protection Feature(s) Over-voltage (OV) Over-voltage (OV) Over-voltage (OV)
Operating Vin(Min)(V) 4.35 4.35 4.5
Cell Chemistry Li-Ion/Li-Polymer Li-Ion/Li-Polymer Li-Ion/Li-Polymer Li-Ion/Li-Polymer Li-Ion/Li-Polymer Li-Ion/Li-Polymer
Control Interface Standalone (RC-Settable) Standalone (RC-Settable) Standalone (RC-Settable) I2C I2C Standalone (RC-Settable)
Operating Vin(Max)(V) 16 16 28 15
# Series Cells 1 1 2,3,4 Single Cell Single Cell 2
Battery Charge Voltage(V) 4.2 (Fixed) 4.2 (Fixed) Adjustable Adjustable Programmable 8.4 (Fixed)
Charge Current(Max)(A) 1.5 1.5 2 4.5 3 2
Absolute Vin (safety rating)(Max)((V)) 18 18 30 18
Control Topology Linear Linear Linear
Package Size mm2 mm2 mm2 mm2
Input Over-Voltage Protection(V) 5.85 5.85 10.5
Input Over-Current Protection(A) 1.5 0.3
Charging Control Topology Switching Charger Switchmode Buck
Operating Temperature Range(C) -40 to 85
USB Feature USB D+/D-,USB OTG,USB-Friendly
Estimated Package Size (WxL)(mm2) ,[pf]24VQFN[/pf]