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BQ2057WTSTRG4

Texas Instruments BQ2057WTSTRG4

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BQ29405DCT3E6

Texas Instruments BQ29405DCT3E6

Price $0.91 $9.44 $0.41 $3.38
RoHS Compliant Compliant Compliant Yes Compliant Compliant Compliant Compliant Not Compliant
Lead Status No No No Yes No No No No
Package Group SOIC,TSSOP VQFN SOIC WSON WSON VQFN
Cell Chemistry Li-Ion/Li-Polymer Li-Ion/Li-Polymer NiCd,NiMH Li-Ion/Li-Polymer
Approx. Price (US$) 0.80 | 1ku 2.00 | 1ku 0.24 | 1ku 0.30 | 1ku 3.00 | 1ku
Package Size mm2 mm2 mm2
Control Interface Standalone (RC-Settable) Standalone (RC-Settable) Standalone (RC-Settable)
Special Features Temp Monitoring (Thermistor Pin) Integrated FET,Temp Monitoring (Thermistor Pin) Integrated FET,Temp Monitoring (Thermistor Pin)
Operating Vin(Max)(V) 15 16 16
Operating Vin(Min)(V) 4.5
# Series Cells 2 1,2 2-4 Cells 1,2,3
Battery Charge Voltage(V) 8.4 (Fixed) 4.2 (Fixed) Adjustable
Absolute Vin (safety rating)(Max)((V)) 18 20 20
Control Topology Linear
Charge Current(Max)(A) 2 2 2
Gas Gauge Algorithm EDV
Battery Capacity(Min)(mAh) 500
Operating Temperature Range(C) 0 to 70
Communication Interface HDQ No Communication No Communication
Battery Capacity(Max)(mAh) 6000
External Capacity Indication LED
Estimated Package Size (WxL)(mm2) [pf]16SOIC[/pf]
Implementation Pack
Function Protection Charger Front-End Protection
Rating Catalog Catalog
Battery Over-Voltage Protection(Typ)(V) 4.45 4.35
# Series Cells (Min) 2 1
Typical Operating Current(Typ)(uA) 1 410
# Series Cells (Max) 3 1
Protection Feature(s) Over-voltage (OV) Over-voltage (OV)
Vin(Max)(V) 25 30
Input Over-Voltage Protection(V) 6.3
Input Over-Current Protection(A) 0.7