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| 型号： | MAX11080EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/29页 |
| 文件大小： | 0K |
| 描述： | KIT FAULT MONITOR 12CH HV |
| 其它有关文件： | Automotive Product Guide |
| 标准包装： | 1 |
| 主要目的： | 电源管理，电池监控器 |
| 已用 IC / 零件： | MAX11080 |
| 主要属性： | 故障监视器，过压或欠压指示 |
| 次要属性： | 可选电压范围 |
| 已供物品： | 板 |
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12-Channel, High-Voltage
Battery-Pack Fault Monitors
Table 2. Undervoltage Threshold Selection
THRESHOLD (V)
Disabled
1.6
1.8
2.0
2.2
2.4
2.6
2.8
UVSEL2
0
0
0
0
1
1
1
1
UNDERVOLTAGE SELECTION
UVSEL1
0
0
1
1
0
0
1
1
UVSEL0
0
1
0
1
0
1
0
1
selection is sensed and stored at power-up and any
subsequent change to the input pin status is ignored.
Internal Linear Regulator
The MAX11080/MAX11081 have an internal linear regula-
tor for generating the internal supply from DCIN (Figure
11). The regulator can accept a supply voltage on the
DCIN pin from +6.0V to +72V, which it regulates to 3.3V
to run the voltage-detection system, control logic, and
low-side alarm-pulse interface. When the SHDN pin is not
active and a sufficient voltage is applied to DCIN, the out-
put of the regulator becomes active. The regulator is
paired with a power-on-reset (POR) circuit that senses its
output voltage and holds the MAX11080/MAX11081 in a
reset state until the internal supply has reached a sustain-
able threshold of +3.0V (±5%). The internal comparators
have built-in hysteresis that can reject noise on the supply
line. Because secondary metal batteries are never fully
discharged to 0V, the MAX11080/MAX11081 are
designed for a hot-swap insertion of the battery cells.
Once the POR threshold is reached, approximately 1ms
later the internal reset signal disables, the internal oscilla-
tor starts, and the charge pump begins operating. The
charge pump reaches regulation in approximately 3ms.
The MAX11080/MAX11081 associated with the top mod-
ule in the battery pack are identified as detailed in the
TOPSEL Function section. This is followed by a self-test of
the overvoltage comparators and detection of the number
of cells connected. At this time in the power-on
sequence, the MAX11080/MAX11081 are ready for oper-
ation. When the charge pump achieves regulation of 3.3V
between VDD U and GND U , it switches to a standby mode
until the voltage drops by about 35mV. The specified
accuracy and full operation of the MAX11080/MAX11081
DCIN
+6.0V TO +72V
LINEAR
REGULATOR
INTERNAL +3.3V
V AA
REGULATOR
GND U
SHDN
DIE OVERTEMPERATURE
DETECT
ENABLE
BANDGAP
REFERENCE
CHARGE
PUMP
CHARGE-PUMP
ENABLE
2.6V
VDD U
CP POR
COMPARATOR
AGND
POR THRESHOLD
+3.0V ± 5%
POR
COMPARATOR
35mV
HYSTERESIS
+3.3V TO
GND U
CP_POR/
INTERNAL
POR/
VAA POR/
Figure 11. Internal Linear Regulator Block Diagram
16
______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX11080EVKIT+ | 功能描述:电源管理IC开发工具 Programmers, Development Systems Eval and Demo Boards and Kits - KIT FAULT MONITOR 12CH HV RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX11080GUU/V+ | 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 |
| MAX11080GUU/V+T | 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 |
| MAX11080GUU/V+TG0J | 功能描述:电池管理 12-Channel High-Voltage Battery-Pack Fault Monitors 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 |
| MAX11080GUU+ | 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 |
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