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BUF634F/500

Texas Instruments BUF634F/500

Price $2.19 $0.59 $0.54
RoHS Yes Compliant Compliant Yes Yes Compliant Compliant Yes Compliant Yes
Lead Status Yes No No Yes Yes No No Yes No Yes
Control Interface I2C I2C I2C,Standalone (RC-Settable) I2C,Standalone (RC-Settable)
Operating Temperature Range(C) -40 to 85 -40 to 125
Rating Catalog Catalog Catalog Catalog Catalog
Vin(Max)(V) 9 20 20
Package Group DSBGA DSBGA,VQFN VQFN DSBGA,VQFN WSON WSON DSBGA,VQFN DDPAK/TO-263,PDIP,SOIC,TO-220
Function Charger Protection Protection Receiver
Cell Chemistry Li-Ion/Li-Polymer Li-Ion/Li-Polymer Li-Ion/Li-Polymer Li-Ion/Li-Polymer
Charge Current(Max)(A) 1.5 2.5 4.5 2
Battery Charge Voltage(V) Adjustable 3.5-4.44 3.5-4.4 3.5-4.44
Approx. Price (US$) 0.95 | 1ku 1.95 | 1ku 2.50 | 1ku 1.85 | 1ku 0.27 | 1ku 0.30 | 1ku 1.35 | 1ku 3.50 | 1ku
Package Size mm2 mm2 mm2 mm2 mm2
Absolute Vin (safety rating)(Max)((V)) 20 22 22
# Series Cells 1 1 1
USB Feature USB Detection USB OTG,USB PSEL USB Detection
Input Over-Voltage Protection(V) 10.5 18 18.2
Operating Vin(Min)(V) 4.2 3.9 4.35
Control Topology Switch-Mode Buck Switch-Mode Buck Switch-Mode Buck
Operating Vin(Max)(V) 10 17 18
Special Features Integrated FET,JEITA BAT Temp Monitoring (Thermistor Pin),Power Path,Temp Monitoring (Thermistor Pin) OTG (On The Go Boost),Power Path,Temp Monitoring (Thermistor Pin) Integrated FET,Integrated LDO,JEITA BAT Temp Monitoring (Thermistor Pin),Power Path,Temp Monitoring (Thermistor Pin),Thermal Regulation LDO,Programmable EEPROM or EPROM
Communication Interface No Communication No Communication
# Series Cells (Min) 2 2
Typical Operating Current(Typ)(uA) 1 1
# Series Cells (Max) 4 4
Battery Over-Voltage Protection(Typ)(V) 4.35 4.5
Protection Feature(s) Over-voltage (OV) Over-voltage (OV)
Iout(Max)(A) 1.5
Pout(Typ)(W) 5
Vrect (reg)(V) Dynamic
Compliance WPC 1.1
Vout (regulated)(V) 5
Vs(Max)(V) 36
Diff Gain(%) 0.4
Output Current(Typ)(mA) 250
Number of Channels(#) 1
Vs(Min)(V) 4.5
Diff Phase(deg) 0.1