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| 型号： | MAX11081GUU/V+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 12/29页 |
| 文件大小： | 0K |
| 描述： | IC FAULT MON BATT 12CH 38TSSOP |
| 其它有关文件： | Automotive Product Guide |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 功能： | 电池监控器 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 6 V ~ 72 V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 38-TFSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 38-TSSOP |
| 包装： | 管件 |
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12-Channel, High-Voltage
Battery-Pack Fault Monitors
HV
DCIN
6V
6V
VDD U
CP+
ALRM U
80V
80V
C12
80V
GND U
CP-
C1 TO C11
V AA
ALRM L
SHDN
ESD DIODES
MAX11080
MAX11081
4V
4V
CD
TOPSEL
6V
OVSEL0/1/2/3
C0
UVSEL0/1/2
AGND
Figure 6. ESD Diode Diagram
Detailed Description
Figure 1 shows the functional diagram; Figure 2 shows
the application circuit diagram for a 12-cell system
while Figure 3 shows the application circuit design for a
10-cell system and Figure 4 for an 8-cell system. Figure
5 is the application schematic for the battery module
system with redundant fault detection and Figure 6 is
the ESD diode diagram.
Architectural Overview
The MAX11080/MAX11081 are battery-pack fault-monitor
ICs capable of monitoring up to 12 Li+ battery cells.
These devices are designed to provide an overvoltage or
undervoltage alarm indicator when any of the cells cross
the user-selectable threshold for longer than the config-
ured decision delay interval. The MAX11080/MAX11081
also incorporates daisy-chain bus for use in high-voltage
stacked-battery operation. The daisy-chain bus relays
shutdown and alarm communication across up to 31
stacked modules without the need for isolation between
each module. This results in a simplified system with
reduced cost. The MAX11080/MAX11081 are ideal as an
ultra-low-power, redundant cell-fault monitor that is the
perfect complement to the MAX11068 high-voltage bat-
tery measurement IC. Both ICs in concert form a powerful
Li+ battery system monitor with redundant overvoltage
and undervoltage fault detection.
Overvoltage and Undervoltage
Fault Detection
Figure 7 summarizes the fault-detection mechanism for
a set of differential cell inputs in the MAX11080/
MAX11081.
First, the differential cell inputs are attenuated by a fac-
tor of four while being level shifted and converted to a
single-ended voltage referenced to AGND. The ground-
referenced voltage is then connected to a set of over-
12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX11081IUU+ | 功能描述:电池管理 12 Ch Hi Volt Batt Pack Fault Monitor 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 |
| MAX11081IUU+T | 制造商:Maxim Integrated Products 功能描述:MAX11081 12-CHANNEL, HIGH-VOLTAGE BATTERY-PACK FAULT MONITOR - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC FAULT MON BATT 12CH 38TSSOP 制造商:Maxim Integrated Products 功能描述:12Ch Hi-Vtg Batt-Pk Fault Monitors |
| MAX1108CUB | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1108CUB+ | 功能描述:模数转换器 - ADC 2Ch Single-Supply Low-P Serial 8-Bit RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1108CUB+T | 功能描述:模数转换器 - ADC 2Ch Single-Supply Low-P Serial 8-Bit RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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