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參數(shù)資料
| 型號： | MAX1665V |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Lithium-Ion Battery Pack Protector |
| 中文描述： | 鋰離子電池組保護器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 164K |
| 代理商： | MAX1665V |
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.
General Description
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.
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.
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.
Charging and discharging are allowed if the voltage
between PKN and BN is less than 250mV. This safety fea-
ture prevents excessive pack current.
Applications
Lithium-Ion Battery Packs
____________________________Features
o
Complete Protection Against:
Cell Overvoltage
Cell Undervoltage
o
Pack Protection for Excessive Charge and
Discharge
o
Very Low Supply Current: 16μA typ
o
Low Standby Current: 1μA max
o
Matched Cell Input Bias Current (<500pA)
Preserves Cell Balance
M
Lithium-Ion Battery Pack Protector
________________________________________________________________
Maxim Integrated Products
1
B1P
PKN
BN
1
2
8
7
I.C. [B3P]
B2P
DSG
CHG
I.C. (B4P)
NOTES: I.C. = INTERNAL CONNECTION. MAKE NO CONNECTIONS TO THIS PIN.
( ) ARE FOR THE MAX1665X.
[ ] ARE FOR THE MAX1665V AND MAX1665X.
SO
TOP VIEW
3
4
6
5
MAX1665S
MAX1665V
MAX1665X
MAX1665X
B4P
B3P
DSG
B2P
B1P
PKN
(-)
(+)
CHG
BN
Typical Operating Circuit
19-1605; Rev 0; 1/00
Pin Configuration
Ordering Information
PART
MAX1665SESA
MAX1665VESA
MAX1665XESA
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
PIN-
PACKAGE
8 SO
8 SO
8 SO
CELL
COUNT
2
3
4
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1665X | Lithium-Ion Battery Pack Protector |
| MAX1665XESA | Lithium-Ion Battery Pack Protector |
| MAX1665VESA | Lithium-Ion Battery Pack Protector |
| MAX1665SESA | Lithium-Ion Battery Pack Protector |
| MAX1668-MAX1989 | Multichannel Remote/Local Temperature Sensors |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1665VESA+ | 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| MAX1665VESA+T | 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| MAX1665XESA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1666AEEP | 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| MAX1666AEEP+ | 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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