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Bluetooth Headset - Battery Charger

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Device	Data- Sheet	Device Description	Input Voltage Range (V)	Input Current Limit Accuracy (%)	Battery Charge Voltage (V)	Charging Voltage Accuracy (max) (%)	Battery Charge Voltage Adjust (%)	Charge Current Limit Accuracy (%)	Trickle Charge Current Limit Accuracy (%)	Automatic Trickle Charge (typ) (V)	Battery Leakage Current (max) (µA)	Automatic Power Source Selection	DC Adapter Detection	Topology	Switching Frequency (typ) (kHz)	Max Duty Cycle (%)	Audible Noise	Operating Temp. Range (°C)	Thermal Shutdown (°C)	100-999 Unit MSRP ($)	Package
ISL6251A		Low Cost Multi-Chemistry Battery Charger Controller	7 to 25	3	4.2/Cell (2S, 3S, 4S)	0.5	5/Cell	3 (CHLIM=2.0V)	25 (CHLIM=0.2V)	No (Set by Host)	10 (DCIN=0V, No System Load)	No	No	Fixed Frequency Synchronous Buck	300	99.9	No	-10 to 100	150	3.00	24 Ld QSOP 24 Ld QSOP T+R 28 Ld QFN 28 Ld QFN T+R

Device	Data- Sheet	Device Description	Programmable Overcurrent (A)	Input Overvoltage Protection (V)	Battery Overvoltage Protection (V)	Battery Leakage	RON @ 500mA (mΩ)	100-999 Unit MSRP ($)	Package
ISL9209C		Charging System Safety Circuit	0 to 1.5	5.58 typ, 5.65 min, 6.0 max	4.34 typ, 4.28 min, 4.4 max	20nA max @ 4.4VVB	170 typ, 280 max	0.61	12 Ld TDFN 12 Ld TDFN T+R
ISL9211		Charging System Safety Circuit	0 to 1.5	5.8 typ, 5.6 min, 6.0 max	4.34 typ, 4.25 min, 4.4 max	20nA max @ 4.4VVB	170 typ, 280 max	0.73	8 Ld uTDFN T+R Eval Board
ISL9212B		Charging System Safety Circuit	0 to 2	6.8 typ, 6.65 min, 7.0 max	4.4 typ, 4.325 min, 4.475 max	20nA max @ 4.4VVB	170 typ, 280 max	0.61	12 Ld TDFN 12 Ld TDFN T+R

Device	Data- Sheet	Device Description	VOUT (typ) (V)	Voltage Accuracy (%)	VIN1 (max) (V)	VIN2 (max) (V)	IOUT1 (max) (A)	IOUT2 (max) (A)	Safety Timer	Self Termination	Accepts CC Adapter	VIN1 Trickle Charge (min) (% CC)	VIN2 Trickle Charge (min) (% CC)	Thermal Regulation	Functions (Pin)	100-999 Unit MSRP ($)	Package
ISL6294		High Input Voltage Charger	4.2	1	28	N/A	0.9	N/A	N	N	N	15	N/A	Y	Enable, Charge Status, Programmable IMIN	1.20	8 Ld DFN T+R 8 Ld SOIC 8 Ld SOIC T+R Eval Board
ISL6298		Li-ion/Li-Polymer Battery Charger	4.1, 4.2	1	7	N/A	0.45	N/A	Y	Y	Y	20	N/A	Y	Enable, Charge Status, Fault Indiction, NTC Input, Timeout Disable, Programmable IMIN, Reference Voltage	1.20	10 Ld DFN 10 Ld DFN T+R 16 Ld QFN 16 Ld QFN T+R Eval Board
ISL6299A		Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources	4.2	1	28	7	1	0.38	N	N	N	11	12	Y	Enable, Charge Status, Programmable IMIN	1.33	10 Ld DFN 10 Ld DFN T+R Eval Board
ISL9201		Li-ion Battery Charger	4.2	0.6	7	N/A	1	N/A	Y	Y	Y	10	N/A	Y	Enable, Charge Status, Reference Voltage	0.87	10 Ld DFN 10 Ld DFN T+R
ISL9203A		Li-ion/Li Polymer Battery Charger	4.2	1	7	N/A	1.6	N/A	N	N	Y	10	N/A	Y	Enable, Charge Status, Reference Voltage	0.68	10 Ld DFN 10 Ld DFN T+R
ISL9204		High Input Voltage Charger	4.2	1	30	N/A	0.35	N/A	N	N	N	19	N/A	Y	Enable, Charge Status, Power Presence Indication, Programmable IMIN	1.20	8 Ld DFN Eval Board
ISL9205		Li-ion Battery Charger	4.2	0.6	7	N/A	1	N/A	Y	Y	Y	10	N/A	Y	Enable, Timout Disable, Charge Indication, Fault, NTC, IREF Set, IMIN Set, Time Set	0.89	16 Ld QFN 16 Ld QFN T+R Eval Board
ISL9222A		High Input Voltage Charger	4.2	1	28	7	1	0.38	N	N	N	16	17	Y	Enable, Programmable IMIN, Power Presence Indication, Auxiliary OR-gate For System Booting Logic	1.45	8 Ld TDFN T+R
ISL9301		High Input Voltage Charger With Power Path Management	4.5	1	28	N/A	0.8	N/A	Y	Y	Y	6	N/A	Y	Power Presence, Charge Indication, Battery Disconnect, IREF, IMIN Set, Time Set	1.87	10 Ld DFN 10 Ld DFN T+R Eval Board

*Data listed above is for reference only, please refer to Product Data Sheets for current specifications.