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BQ2057WTSG4

Texas Instruments BQ2057WTSG4

Price $0.38 $1.39 $3.62
RoHS Compliant Yes Yes Compliant Yes Yes Not Compliant Not Compliant Compliant Compliant
Lead Status No Yes Yes No Yes Yes No No
Function Protection Charger
Rating Catalog Catalog
Number of Series Cells(Min) 2
Package Group WSON SOIC,TSSOP HTSSOP,VQFN SOIC,TSSOP
Special Features Programmable EEPROM or EPROM Temp Monitoring (Thermistor Pin) Standard BAT Temp Monitoring Temp Monitoring (Thermistor Pin)
Communication Interface No Communication
Typical Operating Current(Typ)(uA) 1
Number of Series Cells(Max) 3
Approx. Price (US$) 0.24 | 1ku 0.84 | 1ku 1.68 | 1ku 0.80 | 1ku
Protection Feature(s) Over-voltage (OV)
Vin(Max)(V) 25 10
Cell Chemistry Li-Ion/Li-Polymer Li-Ion/Li-Polymer Li-Ion/Li-Polymer
Battery Charge Voltage(Min)(V) 8.2
Package Size mm2 mm2
Battery Charge Voltage(Max)(V) 8.2
Control Interface Standalone (RC-Settable) Standalone (RC-Settable)
Operating Vin(Max)(V) 15 15
Operating Vin(Min)(V) 4.5 4.5
USB Feature N/A
Absolute Vin (safety rating)(Max)((V)) 18 18
Control Topology Linear Linear
Number of Series Cells 2
Charge Current(Max)(A) 2 1.2 2
Operating Temperature Range(C) -20 to 70,-40 to 70
# Series Cells Single Cell 2
Estimated Package Size (WxL)(mm2) [pf]20VQFN[/pf]
Charging Control Topology Linear
Battery Charge Voltage(V) 4.2 8.4 (Fixed)