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MAX1645AEEI中文资料PDF规格书
厂商型号 |
MAX1645AEEI |
参数属性 | MAX1645AEEI 封装/外壳为28-SSOP(0.154",3.90mm 宽);包装为卷带(TR);类别为集成电路(IC) > 电池充电器;产品描述:IC BAT CHG MULTCHEM 1-4CL 28QSOP |
功能描述 | Advanced Chemistry-Independent, Level 2 Battery Chargers with Input Current Limiting |
文件大小 |
330.98 Kbytes |
页面数量 |
32 页 |
生产厂商 | MaximIntegrated |
企业简称 |
Maxim【美信半导体】 |
中文名称 | 美信半导体官网 |
原厂标识 | |
数据手册 | |
更新时间 | 2024-5-26 23:00:00 |
MAX1645AEEI规格书详情
General Description
The MAX1645 are high-efficiency battery chargers capable of charging batteries of any chemistry type. It uses the Intel System Management Bus (SMBus) to control voltage and current charge outputs.
When charging lithium-ion (Li+) batteries, the MAX1645 automatically transition from regulating current to regulating voltage. The MAX1645 can also limit line input current so as not to exceed a predetermined current drawn from the DC source. A 175s charge safety timer prevents “runaway charging” should the MAX1645 stop receiving charging voltage/ current commands.
The MAX1645 employs a next-generation synchronous buck control circuity that lowers the minimum input-to-output voltage drop by allowing the duty cycle to exceed 99. The MAX1645 can easily charge one to four series Li+ cells.
Features
♦ Input Current Limiting
♦ 175s Charge Safety Timeout
♦ 128mA Wake-Up Charge
♦ Charges Any Chemistry Battery: Li+, NiCd, NiMH, Lead Acid, etc.
♦ Intel SMBus 2-Wire Serial Interface
♦ Compliant with Level 2 Smart Battery Charger Spec Rev. 1.0
♦ +8V to +28V Input Voltage Range
♦ Up to 18.4V Battery Voltage
♦ 11-Bit Battery Voltage Setting
♦ ±0.8 Output Voltage Accuracy with Internal Reference
♦ 3A max Battery Charge Current
♦ 6-Bit Charge Current Setting
♦ 99.99 max Duty Cycle for Low-Dropout Operation
♦ Load/Source Switchover Drivers
♦ >97 Efficiency
Applications
Notebook Computers
Point-of-Sale Terminals
Personal Digital Assistants
产品属性
- 产品编号:
MAX1645AEEI
- 制造商:
Analog Devices Inc./Maxim Integrated
- 类别:
集成电路(IC) > 电池充电器
- 包装:
卷带(TR)
- 电池化学成份:
多化学
- 电池数:
1 ~ 4
- 充电电流 - 最大值:
3A
- 电池组电压:
18.4V(最大)
- 电压 - 供电(最高):
28V
- 接口:
I²C,SMBus
- 工作温度:
-40°C ~ 85°C(TA)
- 安装类型:
表面贴装型
- 封装/外壳:
28-SSOP(0.154",3.90mm 宽)
- 供应商器件封装:
28-QSOP
- 描述:
IC BAT CHG MULTCHEM 1-4CL 28QSOP
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
Maxim(美信) |
23+ |
标准封装 |
22048 |
原厂渠道供应,大量现货,原型号开票。 |
询价 | ||
MAX |
21+ |
SOP |
5000 |
原装现货库存 |
询价 | ||
MAXIM/美信 |
23+ |
NA/ |
988 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
MAXIM |
23+ |
SSOP-28P |
9526 |
询价 | |||
MAX |
SSOP |
893993 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
MAXIM |
22+ |
SMD |
3000 |
原装正品,支持实单 |
询价 | ||
MAXIM |
23+ |
SMD |
4500 |
全新原装、诚信经营、公司现货销售! |
询价 | ||
MAXIM/美信 |
SSOP-28 |
265209 |
假一罚十原包原标签常备现货! |
询价 | |||
MAX |
2022 |
500 |
原厂原装正品,价格超越代理 |
询价 | |||
MAXIM |
19+ |
QSOP |
256800 |
原厂代理渠道,每一颗芯片都可追溯原厂; |
询价 |