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參數(shù)資料
| 型號(hào)： | MAX1906X |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Li+ Battery-Pack Protector with Integrated Fuse Driver |
| 中文描述： | 李電池組保護(hù)器驅(qū)動(dòng)器集成保險(xiǎn)絲 |
| 文件頁(yè)數(shù)： | 12/14頁(yè) |
| 文件大小： | 325K |
| 代理商： | MAX1906X |
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M
RC Filters On Cell Inputs
The MAX1906 has an unused pin placed between
each of the cell connections. These extra pins minimize
the risk of a solder short between pins during the assem-
bly process. Resistors in series with each B_P pin
are recommended to limit the current in case there is a
short between adjacent B_P pins (see the
Typical
Application Circuits
).
The MAX1906 is powered from the top cell during the
sampling period. The 300μA typical sampling current,
multiplied by a 10
series resistor can move the over-
voltage trip point on the top cell by 3mV. The intermedi-
ate cell quiescent current is typically 500pA. A 1k
resistor in series with any cell except the top one alters
the overvoltage trip point by typically 0.5mV. It is rec-
ommended to use a resistor of 10
in series with the
top cell and 1k
resistors in series with the rest of the
cells to achieve the desired overvoltage threshold toler-
ance while limiting the potential short-circuit current.
The MAX1906 has internal ESD diodes on each B_P pin
for ESD protection up to 2kV. When higher ESD ratings
are needed, capacitors (typically 0.1μF) can be added
across adjacent B_P pins (see the
Typical Application
Circuits
). The RC filters improve the device immunity to
ESD.
Layout Guidelines
Good layout is important to minimize the effects of
noise on the system and ensure accurate voltage mea-
surements. Use appropriate trace widths for the high-
current paths and keep traces short to minimize para-
sitic inductance and capacitance. Provide adequate
space and board area for the sense resistor to dissi-
pate heat. Place RC filters close to B1P
–
B4P pins. If
some amount of heat sinking is needed to use the inter-
nal SCR, connect the exposed backside paddle to as
large a copper area as practical.
Chip Information
TRANSISTOR COUNT: 4027
PROCESS: BiCMOS
Li+ Battery-Pack Protector with
Integrated Fuse Driver
12
______________________________________________________________________________________
SUPPLIER
USA PHONE
408-721-2181
310-322-3331
408-988-8000
FACTORY FAX
408-721-1635
310-322-3332
408-567-8979
WEBSITE
Fairchild
International Rectifier
Vishay Siliconix
www.fairchildsemi.com
www.irf.com
www.vishay.com
MANUFACTURER
Sony Chemicals Corp.
Uchihashi Estec Co., Ltd
PHONE
FAX
WEBSITE
+81-3-3279-0448
+81-6-6962-6661
+81-3-5255-8448
+81-6-6962-6669
www.sccj.co.jp/html_e/
www.uchihashi.co.jp/
Table 1. MOSFET Suppliers
Table 2. Recommended Fuse Manufacturers
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1906XEEE | 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類(lèi)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 |
| MAX1906XEGE | 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類(lèi)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 |
| MAX1907AETL | 制造商:Maxim Integrated Products 功能描述:#EMPTY - Rail/Tube |
| MAX1907AETL+ | 制造商:Maxim Integrated Products 功能描述:#EMPTY - Rail/Tube |
| MAX1907AETL+T | 制造商:Maxim Integrated Products 功能描述:#EMPTY - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IMVP - VOLT REG |
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