BQ24085DRCR ,750mA SINGLE-CHIP Li-Ion/Li-Pol CHARGE MANAGEMENT IC with Thermal Regulation 10-VSON 0 to 125features and functional options,to 750-mA Charge Applicationswhile still implementing a complete ch ..
BQ24085DRCT ,750mA SINGLE-CHIP Li-Ion/Li-Pol CHARGE MANAGEMENT IC with Thermal Regulation 10-VSON 0 to 125Features... 18.4 Device Functional Modes.... 222 Applications..... 19 Application and Implementatio ..
BQ24086DRCR ,750mA SINGLE-CHIP Li-Ion/Li-Pol CHARGE MANAGEMENT IC with Thermal Regulation 10-VSON 0 to 125
BQ24087DRCR ,750mA SINGLE-CHIP Li-Ion/Li-Pol CHARGE MANAGEMENT IC with Thermal Regulation 10-VSON 0 to 125 SLUS784E–DECEMBER 2007–REVISED DECEMBER 20155 Device OptionsPACKSAFETY POWERCHARGE INPUT TERMINATI ..
BQ24087DRCR ,750mA SINGLE-CHIP Li-Ion/Li-Pol CHARGE MANAGEMENT IC with Thermal Regulation 10-VSON 0 to 125features and functional options,to 750-mA Charge Applicationswhile still implementing a complete ch ..
BQ24087DRCT ,750mA SINGLE-CHIP Li-Ion/Li-Pol CHARGE MANAGEMENT IC with Thermal Regulation 10-VSON 0 to 125Block Diagram... 13Information..... 314 Revision HistoryNOTE: Page numbers for previous revisions m ..
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BQ24085DRCR-BQ24085DRCT
750mA SINGLE-CHIP Li-Ion/Li-Pol CHARGE MANAGEMENT IC with Thermal Regulation
STAT1 CE
OUT
Li-Ion or Li-Pol
Battery Pack
Pack-
Pack+
STAT2
Vss ISET
RED
GREENRSET
TMR
RTMR
6BAT
Charge Enable
Input Power
1.5 kW
1.5 kW
bq24085Fm
49.9 kW
4.7Fm Li-Pol linear chargers, targeted at space-limitedIonor Li-Pol Packsin Space Limited Applications portable applications. The bq2408x series offersa• Integrated Power FET and Current Sensor forup varietyof protection features and functional options,to 750-mA Charge Applications while still implementinga complete charging systema small package. The batteryis chargedin three• Reverse Leakage Protection Prevents Battery
phases: conditioning, constantor thermally regulatedDrainage
current, and constant voltage. Chargeis terminated• ±0.5% Voltage Regulation Accuracy based on minimum current. An internal• Thermal Regulation Maximizes Charge Rate programmable charge timer provides a backup Charge Terminationby Minimum Current and protection feature for charge termination and is
dynamically adjusted during the thermal regulationTime
phase. The bq2408x automatically restarts the charge• Precharge Conditioning With Safety Timer if the battery voltage falls belowan internal threshold;• Status Outputsfor LEDor System Interface sleep modeis set when the external input supplyisIndicate Charge, Fault, and Power Good Outputs removed. Multiple versions of this device family
enable easy designof the bq2408xin cradle chargers• Short-Circuit and Thermal Protectionin the end equipment, while using low costor high-• Automatic Sleep Modefor Low Power end AC adapters.Consumption Small 3×3 mm MLP Package
Device Information(1) Selectable Battery Insertion and Battery Absent
Detection Input Overvoltage Protection (1) Forall available packages, see the orderable addendumat
the endofthe data sheet.– 6.5V and 10.5V Options
Applications PDA, MP3 Players, Digital Cameras Internet Appliances and Handheld Devices
Typical Application Circuit
