Datasheet > SS6781BCNTB

SS6781BCNTB

更新时间： 2024-01-11 21:49:01

品牌	Logo	应用领域
SSC		电池控制器
页数	文件大小	规格书
20页	626K
描述
Battery Charge Controller

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中文翻译

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数据手册

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SS6781BCNTB 数据手册

SS6781B

Battery Charge Controller

FEATURES

DESCRIPTION

ꢀ

ꢁ Fast Charge Control of NiMH/NiCd Batteries,

The SS6781B fast charge controller IC is

even with a Fluctuating Charging Current.

designed for intelligent charging of NiMH or NiCd

∆T / ∆t

−∆V

ꢁ Fast Charge Termination by:

0∆V

−∆V

batteries without the risk of overcharge.

, Safety Timer, Maximum Temperature,

0∆V

Detection (-0.25%),

∆T / ∆t

detection (peak voltage

Maximum Voltage.

ꢁ Linearly Adjustable

Safety Timer.

timer) and

detection are the primary

∆T / ∆t

Detection Slope and

0∆V

methods employed by the SS6781B 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.

ꢁ Adjustable Peak Voltage Timer for

ꢁ Battery Voltage Protection Range Selectable.

ꢁ Selectable Battery Temperature Protection

Mode.

ꢁ Protection against Battery Voltage and Battery

Temperature Faults.

∆T / ∆t

−∆V

detection methods have

Both

and

ꢁ Selectable LED Display Mode for Battery Status.

ꢁ Five Pulsed Trickle Charge Modes.

ꢁ Discharge-before-Charge Function Available for

Eliminating Memory Effect.

been proved powerful in terminating fast charging

for NiMH and NiCd batteries. The SS6781B

utilizes the combination of these two methods to

achieve reliable decision of ending fast charge and

−∆V

ꢁ Quick and Easy Testing for Production.

ꢁ 16-pin DIP or SO Packages.

prevent 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 SS6781B controller IC to achieve

optimal charging. This technique, in cooperating

APPLICATIONS

Battery Fast Chargers for:

ꢀ

ꢁ Mobile Phones.

ꢁ Notebook and Laptop Personal Computers.

ꢁ Portable Power Tools and Toys.

ꢁ Portable Communication Equipments.

ꢁ Portable Video & Stereo Equipments.

0∆V

with the

detection (peak voltage timer), is

particularly suitable for NiMH batteries, whose

voltage drop is hardly significant yet temperature

100

1.55

∆T / ∆t

−∆V

detection

rises rapidly. The

Charge Current = 600 mA

Cell Capacity = 550 mA

NiMH Battery

circuitry may be disabled independently for

different applications, such as system-integrated

chargers, chargers with varying charge current, or

battery packs lack of temperature sensing

thermistor.

1.45

Cell Voltage

1.35

1.25

Temperature

The safety timer period, mode of battery

temperature protection, battery voltage protection

range, pulsed trickle charge duty, and LED display

mode are all adjustable or selectable.

Discharge-before-charge function is included to

get rid of memory effect of NiCd batteries without

1.15

Charge Time (min.)

Fig. 1 Battery Charging Characteristics Resulting from

an SS6781B-Controlled Charger with

Fluctuating Charging Current

Pb-free; RoHS-compliant

01/31/2008 Rev.1.00

www.SiliconStandard.com

12 3 4 5 6 7...20

中文翻译

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与SS6781BCNTB相关器件

型号	品牌	获取价格	描述	数据表
SS6781BCNTR	SSC	获取价格	Battery Charge Controller
SS6781BCSTB	SSC	获取价格	Battery Charge Controller
SS6781BCSTR	SSC	获取价格	Battery Charge Controller
SS6781BGNTB	SSC	获取价格	Battery Charge Controller
SS6781BGNTR	SSC	获取价格	Battery Charge Controller
SS6781BGSTB	SSC	获取价格	Battery Charge Controller
SS6781BGSTR	SSC	获取价格	Battery Charge Controller
SS6782G	SSC	获取价格	Charge Controller for Dual Batteries
SS6782GNTB	SSC	获取价格	Charge Controller for Dual Batteries
SS6782GNTR	SSC	获取价格	Charge Controller for Dual Batteries

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