Datasheet > SS6782GSTR

SS6782GSTR

更新时间： 2024-09-24 06:13:59

品牌	Logo	应用领域
SSC		电池控制器
页数	文件大小	规格书
19页	1637K
描述
Charge Controller for Dual Batteries

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中文翻译

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SS6782GSTR 数据手册

SS6782G

Charge Controller for Dual Batteries

FEATURES

DESCRIPTION

Quick and easy testing for production.

Sequential charging control of two

NiMH/NiCd Battery Packs.

Reliable sequential fast charge control of dual

NiMH and/or NiCd Battery Packs, even

with a fluctuating charging current.

Fast charge termination by: ∆T∆t, -∆V, 0∆V,

safety timer, maximum temperature,

or maximum voltage.

Linearly adjustable safety timer and ∆T∆t

detection slope line.

Selectable battery voltage protection range.

Selectable battery temperature protection mode.

Protection against battery voltage and battery

temperature faults.

Selectable LED display mode for battery status.

Five pulsed trickle charge modes.

The SS6782G fast-charge controller is designed

for intelligent sequential charging of dual NiMH

and NiCd batteries without the risk of malfunction.

After powering on, the SS6782G charging sequence

gives priority to battery pack A, represented by

input signals at the ATS and ABV pins, over

battery pack B, represented by BTS and BBV

pin signals. The SS6782G automatically switches

to charging the standby battery pack after the

battery pack being charged finishes charging or

encounters a fault condition.

-∆V (-0.25%) detection, 0∆V (peak voltage timer)

detection, and ∆T∆t detection are the primary

methods employed by the SS6782G 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.

Discharge-before-charge function available to

eliminate memory effect.

Choice of 20-pin DIP or 20-pin SOP packages.

APPLICATIONS

Dual-Battery Fast Chargers for:

Mobile Phones.

ꢀ

Both ∆T∆t and -∆V detection methods have been

proved powerful in terminating fast charging for

NiMH and NiCd batteries. The SS6782G utilizes

the combination of these two methods to make

a reliable decision for ending fast charge and to

avoid issues caused by using -∆V detection

alone under certain conditions. Fig. 1 shows an

example of a charging curve of a battery charged by

a fluctuating current from a NiMH battery charger

which uses the SS6782G controller IC to achieve

optimal charging. The ∆T∆t or -∆V detection cir-

cuitry may be disabled independently for different

applications, such as system-integrated chargers,

chargers with varying charge current, or battery

packs lacking a temperature-sensing thermistor.

Notebook and Laptop Personal Computers.

ꢀ

Portable Power Tools and Toys.

ꢀ

Portable Communication Equipments.

ꢀ

Portable Video & Stereo Equipments.

ꢀ

1.55

1.45

1.35

1.25

1.15

100

Charge Current = 600mA

Cell Capacity = 550mA

NiMH Battery

Cell Voltage

Temperature

Charge Time (min.)

Fig. 1 Battery charging characteristics from an

SS6782G-controlled charger with a

fluctuating charging current.

9/21/2005 Rev.3.01

www.SiliconStandard.com

1 of 19

12 3 4 5 6 7...19

中文翻译

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与SS6782GSTR相关器件

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SS6783A	SSC	获取价格	Battery Charge Controller for Low Power Charging
SS6783ACNTB	SSC	获取价格	Battery Charge Controller for Low Power Charging
SS6783ACNTR	SSC	获取价格	Battery Charge Controller for Low Power Charging
SS6783ACSTB	SSC	获取价格	Battery Charge Controller for Low Power Charging
SS6783ACSTR	SSC	获取价格	Battery Charge Controller for Low Power Charging
SS6783AG	SSC	获取价格	Battery Charge Controller for Low Power Charging
SS6783AGNTB	SSC	获取价格	Battery Charge Controller for Low Power Charging
SS6783AGNTR	SSC	获取价格	Battery Charge Controller for Low Power Charging
SS6783AGSTB	SSC	获取价格	Battery Charge Controller for Low Power Charging
SS6783AGSTR	SSC	获取价格	Battery Charge Controller for Low Power Charging

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