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参数资料
| 型号： | MAX1924VEEE |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | Advanced Li+ Battery-Pack Protectors |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封装： | 0.150 INCH, 0.025 INCH PITCH, QSOP-16 |
| 文件页数： | 9/16页 |
| 文件大小： | 308K |
| 代理商： | MAX1924VEEE |
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
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1894 | Fixed-Point Digital Signal Processor 256-BGA |
| MAX1894-MAX1924 | Fixed-Point Digital Signal Processor 288-FCBGA |
| MAX1925 | Fixed-Point Digital Signal Processor 548-FCBGA |
| MAX1926 | Switch-Mode 1-Cell Li+ Chargers |
| MAX1926ETC | Switch-Mode 1-Cell Li+ Chargers |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1924VEEE+ | 功能描述:电池管理 RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装: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:电池管理 RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX1924XEEE+ | 功能描述:电池管理 RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX1924XEEE+T | 制造商:Maxim Integrated Products 功能描述:SMALLEST LI+ PROTECTION SOLUTION ALSO OFFERS THE MOST COMPLE - Tape and Reel |
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