- BQ24620RVAR
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- 發(fā)布者：凌曄科技
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查看此店鋪所有供求信息 聯(lián)系人：陳小姐 電話：13544017528 手機(jī)：13544017528 地址：廣東省深圳市福田區(qū)中航路華強(qiáng)廣場C座13L 服務(wù)：  價(jià)格： 綜合： 營業(yè)時(shí)間：全年?duì)I業(yè) QQ/微信/Skype： |
詳細(xì)信息
品牌：TI德州
封裝：VQFN
批號(hào)：18+
數(shù)量*：170000
描述：The bq24620 device is a highly integrated lithium phosphate 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, and charge status monitoring.
The bq24620 charges the battery in three phases: preconditioning, constant current, and constant voltage.
產(chǎn)品特性
300-kHz NMOS-NMOS Synchronous Buck
Converter
Stand-Alone Charger Designed Specifically for
Lithium Phosphate
5-V to 28-V VCC Operating Range, Supports 1 to
7 Battery Cells
High-Accuracy Voltage and Current Regulation
±0.5% Charge Voltage Accuracy
±3% Charge Current Accuracy
±0.5% Charge Voltage Accuracy
±3% Charge Current Accuracy
Integration
Internal Loop Compensation
Internal Soft Start
Internal Loop Compensation
Internal Soft Start
Safety
Input Overvoltage Protection
Battery Thermistor Sense Suspend Charge at
Hot/Cold Charge Suspend and Automatically
ICHARGE/8 at WARM/COOL
Battery Detection
Built-In Safety Timer
Charge Overcurrent Protection
Battery Short Protection
Battery Overvoltage Protection
Thermal Shutdown
Input Overvoltage Protection
Battery Thermistor Sense Suspend Charge at
Hot/Cold Charge Suspend and Automatically
ICHARGE/8 at WARM/COOL
Battery Detection
Built-In 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 99.95% Maximum
Effective Duty Cycle
16-Pin 3.5-mm × 3.5-mm QFN Package
Energy Star Low 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
APPLICATIONS
Power Tools and Portable Equipment
Personal Digital Assistants
Handheld Terminals
Industrial and Medical Equipment
Netbooks, Mobile Internet Devices, and
Ultramobile PCs
Power Tools and Portable Equipment
Personal Digital Assistants
Handheld Terminals
Industrial and Medical Equipment
Netbooks, Mobile Internet Devices, and
Ultramobile PCs
深圳市凌曄科技有限公司
廣東省深圳市福田區(qū)華強(qiáng)廣場C座13L
TEL：13544017528
qq： 869030400
E-mail：869030400@qq.com
封裝：VQFN
批號(hào)：18+
數(shù)量*：170000
描述：The bq24620 device is a highly integrated lithium phosphate 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, and charge status monitoring.
The bq24620 charges the battery in three phases: preconditioning, constant current, and constant voltage.
產(chǎn)品特性
300-kHz NMOS-NMOS Synchronous Buck
Converter
Stand-Alone Charger Designed Specifically for
Lithium Phosphate
5-V to 28-V VCC Operating Range, Supports 1 to
7 Battery Cells
High-Accuracy Voltage and Current Regulation
±0.5% Charge Voltage Accuracy
±3% Charge Current Accuracy
±0.5% Charge Voltage Accuracy
±3% Charge Current Accuracy
Integration
Internal Loop Compensation
Internal Soft Start
Internal Loop Compensation
Internal Soft Start
Safety
Input Overvoltage Protection
Battery Thermistor Sense Suspend Charge at
Hot/Cold Charge Suspend and Automatically
ICHARGE/8 at WARM/COOL
Battery Detection
Built-In Safety Timer
Charge Overcurrent Protection
Battery Short Protection
Battery Overvoltage Protection
Thermal Shutdown
Input Overvoltage Protection
Battery Thermistor Sense Suspend Charge at
Hot/Cold Charge Suspend and Automatically
ICHARGE/8 at WARM/COOL
Battery Detection
Built-In 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 99.95% Maximum
Effective Duty Cycle
16-Pin 3.5-mm × 3.5-mm QFN Package
Energy Star Low 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
APPLICATIONS
Power Tools and Portable Equipment
Personal Digital Assistants
Handheld Terminals
Industrial and Medical Equipment
Netbooks, Mobile Internet Devices, and
Ultramobile PCs
Power Tools and Portable Equipment
Personal Digital Assistants
Handheld Terminals
Industrial and Medical Equipment
Netbooks, Mobile Internet Devices, and
Ultramobile PCs
深圳市凌曄科技有限公司
廣東省深圳市福田區(qū)華強(qiáng)廣場C座13L
TEL：13544017528
qq： 869030400
E-mail：869030400@qq.com
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警方提示：網(wǎng)上買、賣商品要謹(jǐn)慎小心，以免上當(dāng)受騙。
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