Datasheet > TS2208

TS2208

更新时间： 2024-11-05 22:19:07

品牌	Logo	应用领域
TSC		电池
页数	文件大小	规格书
6页	107K
描述
Li-Ion Battery Protector

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中文翻译

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数据手册

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TS2208 数据手册

TS2208A/B

Li-Ion Battery Protector

Pin assignment

1. D_OUT

2. V-

3. C_OUT

4. C_EXT

5. V_DD

Ideal for One-Cell Rechargeable

Li-Ion Battery

6. V_SS

General Description

The TS2208A/B series are over-charge/discharge protection ICs for rechargeable one-cell Lithium-ion batteries. They

bear an over-charge/over-discharge threshold for the battery cell voltage during charging/discharging process, and also

provide on-time protection when excess current or short circuit occurs.

The TS2208A/B series are essentially composed of a reference unit and three voltage detectors. During charging

process, when the cell voltage/V_DDcrosses the over-charge threshold voltage V_C1, the over charge detector (COM1) will

switch the output pin (C_OUT) to a low level within a delay time (t_C1), and thus turning off the MOSFET connected to the

charging path. The C_OUTpin may change to high level again when the V_DDvoltage falls below “V_C1-V_HYS”, or when V_DD

falls below V_C1while the charger is disconnected from the battery pack.

During the discharging process, when the V_DDvoltage crosses the over-discharge threshold voltage (V_D1), the

over-discharge detector (COM2) will switch D_OUTto low level within a delay time (t_D1), and thus turning off the MOSFET

connecting the discharging path. In the mean time, the TS2208A/B series will enter a low current standby mode. Once

into standby mode, it can only be released from standby after the battery pack is connected to a charger.

The conditions of excess current and short circuit protection are both determined according to the voltage at the V- pin.

As the voltage of V- pin reaches a greater value than V_OC, which means an undesirable large current is flowing through

the path, D_OUTwill be switched to a low level and the path is cutoff after internally pre-set delay time (t_OC) elapses. In the

case of short circuit, i.e. V- rises above V_SHORT, the path will also be cutoff but with almost no delay time. Once the excess

current or short circuit fault is removed, the built-in resistor at the V- pin, typically 100kohm, will pull V- down to V_SSand

bringing the IC back to normal operation.

Together with the application circuit, the TS2208A/B will function as a consummate protector for Li-ion battery packs

which leads to safety and long lifetime.

Features

Ordering Information

Part No.

Threshold Voltage

Reel

Low current consumption

TS2208ACX6

4.33V ~ 4.37V

4.26V ~ 4.30V

Supply current 3uA (typ) and standby current 0.1uA

High withstand voltage up to 22V (VDD ~ V-)

High accuracy voltage detection

Over charge detector

Black

White

TS2208BCX6

Note: Marking BXX,

XX is wafer and assembly lot code (A~Z and 1~9)

Over discharge detector

Pin Description

Over current and short circuit protection

Small package of SOT-26

No. Symbol

D_OUT

V-

Description

Output of over discharge detection

Pin for charger negative input

Output of over charge detection

Pin for external capacitor Setting

COM1 delay time

Applications

C_OUT

C_EXT

Over-charge and over-discharge protection for Li-ion

cell pack

High precision protectors for cell-phones and other

gadget using on board Li-ion cell battery

V_DD

V_SS

Power supply

Ground

TS2208A/B series

1-6

2003/12 rev. B

12 3 4 5 6

中文翻译

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与TS2208相关器件

型号	品牌	获取价格	描述	数据表
TS2208A	TSC	获取价格	Li-Ion Battery Protector Ideal for One-Cell Rechargeable Li-Ion Battery
TS2208ACX6	TSC	获取价格	Li-Ion Battery Protector
TS2208B	TSC	获取价格	Li-Ion Battery Protector Ideal for One-Cell Rechargeable Li-Ion Battery
TS2208BCX6	TSC	获取价格	Li-Ion Battery Protector
TS220F13CDT	CTS	获取价格	Parallel - Fundamental Quartz Crystal, 22MHz Nom, HC-49/US, 2 PIN
TS220F1YCST	CTS	获取价格	Series - Fundamental Quartz Crystal, 22MHz Nom, HC-49/US, 2 PIN
TS220F1YIET	CTS	获取价格	Parallel - Fundamental Quartz Crystal, 22MHz Nom, HC-49/US, 2 PIN
TS220F22CJT	CTS	获取价格	Parallel - Fundamental Quartz Crystal, 22MHz Nom, HC-49/US, 2 PIN
TS220F22IST	CTS	获取价格	Series - Fundamental Quartz Crystal, 22MHz Nom, HC-49/US, 2 PIN
TS220F35IAT	CTS	获取价格	Parallel - Fundamental Quartz Crystal, 22MHz Nom, HC-49/US, 2 PIN

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