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參數(shù)資料
| 型號： | MAX1666AEEP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Advanced Lithium-Ion Battery-Pack Protector |
| 中文描述： | 6-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20 |
| 封裝： | 0.150 INCH, 0.025 INCH PITCH, QSOP-20 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 845K |
| 代理商： | MAX1666AEEP |
General Description
The MAX1666 provides complete protection against over-
voltage, undervoltage, overcharge current, overdischarge
current, and cell mismatch for 2-cell to 4-cell lithium-ion
(Li+) battery packs. The voltage of each cell in the battery
pack is checked and compared to the programmable
threshold and to the other cells in the pack.
The MAX1666 protects the battery pack in an overcurrent
condition by disconnecting the pack from the load at a pro-
grammable limit. On-chip power MOSFET drivers control
external P-channel MOSFETs to disconnect the cells from
external terminals when faults occur.
The MAX1666 employs a unique timing scheme that
allows three modes of operation for optimal performance
and battery power conservation. The MAX1666 can oper-
ate in a stand-alone configuration or in conjunction with a
microcontroller. It is available in four versions: the S ver-
sion monitors two Li+ cells, the A and V versions monitor
three cells, and the X version monitors four cells. When
the charge path is disabled by the charge control pin, the
MAX1666A reduces current consumption compared to
the MAX1666S/V/X.
Applications
2/3/4-Cell Lithium-Ion Battery Pack
Features
Overvoltage Protection
Programmable Limits from +4.0V to +4.4V
Accurate to ±0.5%
Undervoltage Protection
Programmable Limits from +2.0V to +3.0V
Accurate to ±2.5%
Cell Mismatch Protection
Programmable Limits from 0 to 500mV
Accurate to ±10%
Overcharge Current Protection
Overdischarge Current Protection
Low 30μA (typ) Operating Supply Current
Low 1μA (max) Standby Current
+28V (max) Input Voltage
Available in Small 16-Pin QSOP (MAX1666S) and
20-Pin QSOP (MAX1666A/V/X) Packages
M
Advanced Lithium-Ion
Battery-Pack Protector
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
TOP VIEW
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
UVO
V
CC
REF
OVA
CGO
TKO
DSO
SRC
UVA
MMA
WRN
PKF
B1P
B2P
B3P
B3P
12
11
9
10
CGI
DSI
PKN
GND
MAX1666A/V
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
UVO
V
CC
REF
OVA
CGO
TKO
DSO
SRC
UVA
MMA
WRN
PKF
B1P
B2P
B3P
B4P
12
11
9
10
CGI
DSI
PKN
GND
MAX1666X
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
SRC
V
CC
REF
OVA
UVA
MMA
PKF
CGI
DSI
MAX1666S
DSO
TKO
BIP
CGO
B2P
GND
PKN
QSOP
QSOP
QSOP
19-1465; Rev 2; 12/03
PART
MAX1666SEEE
MAX1666AEEP
MAX1666VEEP
MAX1666XEEP
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
PIN-PACKAGE
16 QSOP
20 QSOP
20 QSOP
20 QSOP
Pin Configurations
Ordering Information
Selector Guide
Typical Operating Circuits appear at end of data sheet.
NUMBER OF Li+ CELLS
2
3
4
PART
MAX1666S
MAX1666A/V
MAX1666X
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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+T | 制造商:Maxim Integrated Products 功能描述:500MA LOW VOLTAGE LINEAR REGULATOR IN TINY QFN PACKAGE - Tape and Reel |
| MAX1666AEEP-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 |
| MAX1666SEEE | 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 |
| MAX1666SEEE+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 |
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