- BQ24616RGER
- 参考价格:
- 发布者:凌晔科技
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详细信息
品牌:TI德州
封装:VQFN-24
批号:18+
数量*:480000
描述:The bq2461x device is a highly integrated, Japan Electronic Information Technology Association (JEITA) guideline-compatible, Li-ion or Li-polymer switched-mode battery charge controller. The device offers a constant-frequency synchronous switching PWM controller with high-accuracy charge current and voltage regulation, charge preconditioning, termination, adapter current regulation, and charge status monitoring
The bq2461x charges the battery in three phases: preconditioning, constant current, and constant voltage. Charge is terminated when the current reaches a minimum user-selectable level. A programmable charge timer provides a safety backup. The bq2461x automatically restarts the charge cycle if the battery voltage falls below an internal threshold, and enters a low quiescent current sleep mode when the input voltage falls below the battery voltage.
产品特性
Battery Thermistor Sense for JEITA Guideline
Compatible Charger
600-kHz NMOS-NMOS Synchronous Buck
Converter
Stand-Alone Charger Support for Li-Ion or Li-
Polymer
5-V–28-V VCC Input Operating Range and
Supports 1 to 6 Battery Cells
Up to 10-A Charge Current and Adapter Current
High-Accuracy Voltage and Current Regulation
±0.5% Charge Voltage Accuracy
±3% Charge Current Accuracy
±3% Adapter Current Accuracy
±0.5% Charge Voltage Accuracy
±3% Charge Current Accuracy
±3% Adapter Current Accuracy
Integration
Automatic System Power Selection From
Adapter or Battery
Internal Loop Compensation
Internal Soft-Start
Dynamic Power Management
Automatic System Power Selection From
Adapter or Battery
Internal Loop Compensation
Internal Soft-Start
Dynamic Power Management
Safety Protection
Input Overvoltage Protection
Battery Detection
Reverse Protection Input FET
Programmable Safety Timer
Charge Overcurrent Protection
Battery Short Protection
Battery Overvoltage Protection
Thermal Shutdown
Input Overvoltage Protection
Battery Detection
Reverse Protection Input FET
Programmable Safety Timer
Charge Overcurrent Protection
Battery Short Protection
Battery Overvoltage Protection
Thermal Shutdown
Status Outputs
Adapter Present
Charger Operation Status
Adapter Present
Charger Operation Status
Charge Enable Pin
6-V Gate Drive for Synchronous Buck Converter
30-ns Driver Dead-Time and 99.5% Maximum
Effective Duty Cycle
24-Pin, 4-mm × 4-mm QFN Package
Energy Star Low Quiescent Current Iq
< 15-μA Off-State Battery Discharge Current
< 1.5-mA Off-State Input Quiescent Current
< 15-μA Off-State Battery Discharge Current
< 1.5-mA Off-State Input Quiescent Current
深圳市凌晔科技有限公司
广东省深圳市福田区华强广场C座13L
TEL:13544017528
qq: 869030400
E-mail:869030400@qq.com
封装:VQFN-24
批号:18+
数量*:480000
描述:The bq2461x device is a highly integrated, Japan Electronic Information Technology Association (JEITA) guideline-compatible, Li-ion or Li-polymer switched-mode battery charge controller. The device offers a constant-frequency synchronous switching PWM controller with high-accuracy charge current and voltage regulation, charge preconditioning, termination, adapter current regulation, and charge status monitoring
The bq2461x charges the battery in three phases: preconditioning, constant current, and constant voltage. Charge is terminated when the current reaches a minimum user-selectable level. A programmable charge timer provides a safety backup. The bq2461x automatically restarts the charge cycle if the battery voltage falls below an internal threshold, and enters a low quiescent current sleep mode when the input voltage falls below the battery voltage.
产品特性
Battery Thermistor Sense for JEITA Guideline
Compatible Charger
600-kHz NMOS-NMOS Synchronous Buck
Converter
Stand-Alone Charger Support for Li-Ion or Li-
Polymer
5-V–28-V VCC Input Operating Range and
Supports 1 to 6 Battery Cells
Up to 10-A Charge Current and Adapter Current
High-Accuracy Voltage and Current Regulation
±0.5% Charge Voltage Accuracy
±3% Charge Current Accuracy
±3% Adapter Current Accuracy
±0.5% Charge Voltage Accuracy
±3% Charge Current Accuracy
±3% Adapter Current Accuracy
Integration
Automatic System Power Selection From
Adapter or Battery
Internal Loop Compensation
Internal Soft-Start
Dynamic Power Management
Automatic System Power Selection From
Adapter or Battery
Internal Loop Compensation
Internal Soft-Start
Dynamic Power Management
Safety Protection
Input Overvoltage Protection
Battery Detection
Reverse Protection Input FET
Programmable Safety Timer
Charge Overcurrent Protection
Battery Short Protection
Battery Overvoltage Protection
Thermal Shutdown
Input Overvoltage Protection
Battery Detection
Reverse Protection Input FET
Programmable Safety Timer
Charge Overcurrent Protection
Battery Short Protection
Battery Overvoltage Protection
Thermal Shutdown
Status Outputs
Adapter Present
Charger Operation Status
Adapter Present
Charger Operation Status
Charge Enable Pin
6-V Gate Drive for Synchronous Buck Converter
30-ns Driver Dead-Time and 99.5% Maximum
Effective Duty Cycle
24-Pin, 4-mm × 4-mm QFN Package
Energy Star Low Quiescent Current Iq
< 15-μA Off-State Battery Discharge Current
< 1.5-mA Off-State Input Quiescent Current
< 15-μA Off-State Battery Discharge Current
< 1.5-mA Off-State Input Quiescent Current
深圳市凌晔科技有限公司
广东省深圳市福田区华强广场C座13L
TEL:13544017528
qq: 869030400
E-mail:869030400@qq.com
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