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參數(shù)資料
| 型號(hào)： | AAT8641 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | ONE-CELL LI-ION BATTERY PROTECTION IC |
| 中文描述： | 單節(jié)鋰離子電池保護(hù)IC |
| 文件頁(yè)數(shù)： | 1/25頁(yè) |
| 文件大?。?/td> | 626K |
| 代理商： | AAT8641 |
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Advanced Analog Technology, Inc.
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臺(tái)灣類比科技股份有限公司
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Advanced Analog Technology, Inc
.
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Page 1 of 25
V2.0
AAT8641 Series
Product information presented is current as of publication date. Details are subject to change without notice
ONE-CELL LI-ION BATTERY PROTECTION IC
FEATURES GENERAL DESCRIPTION
z
Ideal for One-Cell Rechargeable Li-Ion
Battery Packs
z
High Accuracy Voltage Detection
z
Low Current Consumption:
3
μ
A Supply Current (Typical)
0.1
μ
A Shutdown Current
z
3-Level Over Current Detection:
Over-Current Level 1 /Over Current Level 2
/ Short Circuit
z
Wide Operating Temperature Range:
o
C to +85
o
C
40
z
Small SOT25 Package
PIN CONFIGURATION
OUT
C
OUT
D
VN
GND
VIEW
TOP
The AAT8641 series are designed for the
protection of one-cell rechargeable Li-Ion battery
pack against over charge, over discharge, over
current and short circuit. They use CMOS
process to provide high accuracy voltage
detection while consuming relatively low amount
of current.
Each of the AAT8641 devices incorporates
voltage comparators, bandgap reference voltage
generator, signal delay circuit, short circuit
detector, and digital control circuit.
During the charge process, when the battery
voltage is charged to a value higher than
V
(Over Charge Threshold Voltage), the output of
C
pin switches to low level, i.e., the VN pin
level. The output of
out
C
level when the battery voltage is at a level lower
than
2
C
V
(Over Charge Release Voltage), or
when the charger is disconnected from the battery
pack and the battery voltage level is in between
V and
2
C
V
.
During the discharge process, when the battery
voltage drops to a value lower than
out
pin will switch to high
1
D
V
(Over
Discharge Threshold Voltage), the output of
D
pin switches to low level immediately after
out
the internal delay time elapses. The output of
D
pin will switch to high level when the
battery voltage is at a level higher than
out
2
D
V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AAT8641F | ONE-CELL LI-ION BATTERY PROTECTION IC |
| AAT8641G | ONE-CELL LI-ION BATTERY PROTECTION IC |
| AAT8641H | ONE-CELL LI-ION BATTERY PROTECTION IC |
| AAT8641I | ONE-CELL LI-ION BATTERY PROTECTION IC |
| AAT8641J | ONE-CELL LI-ION BATTERY PROTECTION IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT8641A | 制造商:AAT 制造商全稱:AAT 功能描述:ONE-CELL LI-ION BATTERY PROTECTION IC |
| AAT8641B | 制造商:AAT 制造商全稱:AAT 功能描述:ONE-CELL LI-ION BATTERY PROTECTION IC |
| AAT8641C | 制造商:AAT 制造商全稱:AAT 功能描述:ONE-CELL LI-ION BATTERY PROTECTION IC |
| AAT8641D | 制造商:AAT 制造商全稱:AAT 功能描述:ONE-CELL LI-ION BATTERY PROTECTION IC |
| AAT8641E | 制造商:AAT 制造商全稱:AAT 功能描述:ONE-CELL LI-ION BATTERY PROTECTION IC |
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