Datasheet > AIC1784

AIC1784

更新时间： 2024-11-09 06:36:51

品牌	Logo	应用领域
沛亨 - AIC		电池控制器
页数	文件大小	规格书
16页	482K
描述
Battery Charge Controller

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中文翻译

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AIC1784 数据手册

AIC1784

Battery Charge Controller

FEATURES

DESCRIPTION

ꢀ

ꢁ Fast Charge Control of NiMH/NiCd Batteries,

The AIC1784 fast charge controller IC is designed

for intelligent charging of NiMH or NiCd batteries

even with a Fluctuating Charging Current.

∆T / ∆t

−∆V

ꢁ Fast Charge Termination by:

0∆V

−∆V

without the risk of overcharge.

Detection

detection (peak voltage timer) and

detection are the primary methods

, Safety Timer, Maximum Temperature,

0∆V

(-0.25%),

Maximum Voltage.

ꢁ Linearly Adjustable

Safety Timer.

∆T / ∆t

Detection Slope and

employed by the AIC1784 to terminate fast charge.

The fast charge can also be cut off by maximum

battery voltage and maximum battery temperature

detection along with the safety timer to prevent

charging under fault conditions of the charging

system or the battery itself.

ꢁ Protection against Battery Voltage and Battery

Temperature Faults.

ꢁ Pulsed Trickle Charge Modes.

ꢁ Quick and Easy Testing for Production.

ꢁ 8-pin DIP or SO Packages.

∆T / ∆t

−∆V

detection methods have

Both

and

APPLICATIONS

Battery Fast Chargers for:

ꢀ

been proved powerful in terminating fast charging

for NiMH and NiCd batteries. The AIC1784 utilizes

the combination of these two methods to achieve

reliable decision of ending fast charge and prevent

ꢁ Mobile Phones.

ꢁ Notebook and Laptop Personal Computers.

ꢁ Portable Power Tools and Toys.

ꢁ Portable Communication Equipments.

ꢁ Portable Video & Stereo Equipments.

−∆V

misacting caused by using

detection alone

under certain conditions. Fig. 1 shows an example

of charging curve of a battery charged by a

fluctuating current from a NiMH battery charger,

which uses the AIC1784 controller IC to achieve

optimal charging. This technique, in cooperating

100

1.55

Charge Current = 600 mA

Cell Capacity = 550 mA

NiMH Battery

1.45

Cell Voltage

0∆V

with the

detection (peak voltage timer), is

1.35

particularly suitable for NiMH batteries, whose

voltage drop is hardly significant yet temperature

rises rapidly.

1.25

Temperature

1.15

The safety timer period is adjustable. Test mode is

provided for charger manufactures to dramatically

reduce production test time.

Charge Time (min.)

Fig. 1 Battery Charging Characteristics Resulting from

an AIC1784-Controlled Charger with

Fluctuating Charging Current

Analog Integrations Corporation

Si-Soft Research Center

3A1, No.1, Li-Hsin Rd. I , Science Park , Hsinchu 300, Taiwan , R.O.C.

DS-1784G-01 121708

TEL: 886-3-5772500 FAX: 886-3-5772510 www.analog.com.tw

12 3 4 5 6 7...16

中文翻译

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与AIC1784相关器件

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