MAX1665VESA

更新时间： 2024-01-08 07:26:34

品牌	Logo	应用领域
美信 - MAXIM		电池
页数	文件大小	规格书
12页	165K
描述
Lithium-Ion Battery Pack Protector

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中文翻译

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数据手册

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MAX1665VESA 数据手册

19-1605; Rev 0; 1/00

Lithium-Ion Battery Pack Protector

General Description

____________________________Features

ꢀ Complete Protection Against:

The MAX1665 provides protection against overvoltage,

undervoltage, overcharge current, and overdischarge

current for 2-cell to 4-cell lithium-ion (Li+) battery packs.

Very low operating current ensures that cells are not

overdischarged during long storage periods.

Cell Overvoltage

Cell Undervoltage

ꢀ Pack Protection for Excessive Charge and

Discharge

The MAX1665 controls two external N-channel MOSFETs

to limit the charge and discharge voltages. Charging is

allowed when the per-cell voltage is below +4.3V. When

the voltage on any cell rises above +4.3V (overvoltage

limit), the MAX1665 turns off the charge MOSFET. This

safety feature prevents overcharge of any cell within the

battery pack.

ꢀ Very Low Supply Current: 16µA typ

ꢀ Low Standby Current: 1µA max

ꢀ Matched Cell Input Bias Current (<500pA)

Preserves Cell Balance

Discharge is allowed when the per-cell voltage is above

+2.5V (undervoltage limit). If the voltage across any cell

falls below +2.5V, the MAX1665 turns off the discharge

MOSFET. This safety feature prevents overdischarge of

any cell within the battery pack.

Ordering Information

Charging and discharging are allowed if the voltage

between PKN and BN is less than 250mV. This safety fea-

ture prevents excessive pack current.

PIN-

CELL

PART

TEMP. RANGE

PACKAGE COUNT

MAX1665SESA

MAX1665VESA

MAX1665XESA

-40°C to +85°C

8 SO

Applications

Lithium-Ion Battery Packs

Typical Operating Circuit

Pin Configuration

TOP VIEW

(+)

I.C. (B4P)

I.C. [B3P]

B2P

DSG

CHG

PKN

B4P

B3P

B2P

MAX1665S

MAX1665V

MAX1665X

B1P

DSG

MAX1665X

B1P

CHG

PKN

NOTES: I.C. = INTERNAL CONNECTION. MAKE NO CONNECTIONS TO THIS PIN.

( ) ARE FOR THE MAX1665X.

[ ] ARE FOR THE MAX1665V AND MAX1665X.

(-)

________________________________________________________________ Maxim Integrated Products

For free samples and the latest literature visit www.maxim-ic.com or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

12 3 4 5 6 7...12

中文翻译

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与MAX1665VESA相关器件

型号	品牌	获取价格	描述	数据表
MAX1665VESA+	MAXIM	获取价格	Power Supply Support Circuit, 2 Channel, PDSO8, 0.150 INCH, SOIC-8
MAX1665VESA-T	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 2 Channel, PDSO8, 0.150 INCH, MS-012AA, SOIC-8
MAX1665X	MAXIM	获取价格	Lithium-Ion Battery Pack Protector
MAX1665XESA	MAXIM	获取价格	Lithium-Ion Battery Pack Protector
MAX1665XESA+	MAXIM	获取价格	Power Supply Support Circuit, 2 Channel, PDSO8, 0.150 INCH, SOIC-8
MAX1666A	MAXIM	获取价格	Advanced Lithium-Ion Battery-Pack Protector
MAX1666A\|MAX1666S\|MAX1666V\|MAX1666X	MAXIM	获取价格	Advanced Lithium-Ion Battery-Pack Protector
MAX1666AEEP	MAXIM	获取价格	Advanced Lithium-Ion Battery-Pack Protector
MAX1666AEEP+	ROCHESTER	获取价格	6-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20, 0.150 INCH, 0.025 INCH PITCH, QSOP-20
MAX1666AEEP-T	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 6 Channel, PDSO20, 0.150 INCH, 0.025 INCH PITCH,

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