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參數(shù)資料
| 型號(hào)： | MAX1924 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Advanced Li+ Battery-Pack Protectors |
| 中文描述： | 高級(jí)Li+電池組保護(hù)器 |
| 文件頁(yè)數(shù)： | 9/16頁(yè) |
| 文件大?。?/td> | 308K |
| 代理商： | MAX1924 |
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M
Advanced Li+ Battery-Pack Protectors
_______________________________________________________________________________________
9
Pack-short current fault is latched and is not reset until
the MAX1894/MAX1924 detect a reversal in the direc-
tion of current flow. A charger must be applied to
reverse the current flow (Figure 7).
Design Procedure
Fast and Trickle-Charge Paths
The MAX1894/MAX1924 offer the designer the flexibility
of two charging paths: a fast charging path and a trick-
le-charge path (see Figure 1). Trickle charging is
enabled and
TKO
is set low when one or more cells are
belows V
UV_TH
.
NORMAL OPERATION
SHDN = H
DSO, CGO, TKO = H
CTL = H
SHUTDOWN PIN
OPERATION
CONTROL PIN
OPERATION
NO
NO
YES
YES
DSO, CGO, TKO = H
SHUTDOWN
DSO, CGO,
TKO = H
NORMAL OPERATION
NO
V
SRC
> V
B4P
+ 0.1V
YES
Figure 3. Shutdown and Control Pin Flow Charts
Figure 2. Undervoltage and Overvoltage Protection Flow Chart
SHUTDOWN
DSO, CGO, TKO = H
TKO = L
LATCH UVF = UVF + 1
LATCH OVF = OVF + 1
STANDBY = 79ms
OVF = 4
UVF = 4
CGO = DSO = H
RESET UVF
RESET OVF
TKO, CGO = H
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
MAX1924 V
OV_HYT
= 200mV
MAX1894 V
OV_HYT
= 0
RESET V
OV_TH
= 4.25V typ
V
UV_TH
= 2.3V typ &
V
OV_TH
= 4.25V typ
V
SRC
> V
B4P
+ 0.1V
NO
YES
NO
YES
V
SRC
> V
B4P
+ 0.1V
V
CC
> 4.5V
V
CELL
< V
UV_TH
V
CELL
> V
OV_TH
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1894XEEE | Advanced Li+ Battery-Pack Protectors |
| MAX1924XEEE | Advanced Li+ Battery-Pack Protectors |
| MAX1924VEEE | Advanced Li+ Battery-Pack Protectors |
| MAX1894 | Fixed-Point Digital Signal Processor 256-BGA |
| MAX1894-MAX1924 | Fixed-Point Digital Signal Processor 288-FCBGA |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1924VEEE | 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 |
| MAX1924VEEE+ | 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 |
| MAX1924VEEE+T | 制造商:Maxim Integrated Products 功能描述:ADVANCED LI+ BATTERY-PACK PROTECTOR - Tape and Reel |
| MAX1924XEEE | 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 |
| MAX1924XEEE+ | 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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