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| 型号： | MAX11081GUU+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/29页 |
| 文件大小： | 0K |
| 描述： | IC FAULT MON BATT 12CH 38-TSSOP |
| 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： | 托盘 |
第1页第2页第3页第4页第5页当前第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页
12-Channel, High-Voltage
Battery-Pack Fault Monitors
Pin Description (continued)
PIN
24
25
26
27
28
NAME
V AA
AGND
SHDN
ALRM L
CD
FUNCTION
+3.3V Analog Supply Output. Bypass with a 1μF capacitor to AGND.
Analog Ground. Should be connected to the negative terminal of cell 1.
Active-Low Shutdown Input. This pin completely shuts down the MAX11080/MAX11081 internal regulators
and oscillators when the pin is less than 0.6V as referenced to AGND. The host controller should drive
SHDN for the first pack. See Figure 2 for the SHDN daisy-chained module connection.
Lower Port Alarm Output. This output is an alarm indicator for overvoltage, undervoltage, and setup faults.
The alarm signal is daisy-chained and driven from the highest module down to the lowest. The alarm output
is nominally a clocked “heartbeat” signal that provides a 4kHz clock when no alarm is present. The ALRM L
can also be configured as level signal and set to “low” for no alarm and “high” for alarm state. See the
TOPSEL Function section for details. This signal swings between V AA and AGND, and is active high in the
alarm state.
Programmable Delay Time. Connect a capacitor from this pin to AGND to set the hold time required for a
fault condition before the alarm is set. The capacitor should be a ceramic capacitor in the 15nF to 16.5μF
range.
TST1,
29, 30, 32
31
34
35
36
37, 38
TST2,
TST3
TOPSEL
ALRM U
GND U
VDD U
CP-, CP+
Production Test Pins. Connect to AGND.
Input to Indicate Topmost Device in the Daisy-Chain. This pin should be connected to AGND for all devices
except the topmost. For the top device, this pin should be connected to V AA .
Upper Port Alarm Input. This input receives the ALRM L output signal from an upper neighboring module. It
swings between VDD U and GND U .
Level-Shifted Upper Port Ground. Upper port-supply return and supply input for the charge-pump supply.
This pin should be connected to the DCIN takeoff point on the battery stack as shown in the application
diagrams.
Level-Shifted Upper Port Supply. Upper port-supply output for the daisy-chained bus. This is a regulated
output voltage from the internal charge pump that is level-shifted above the DCIN pin voltage level. It
should be bypassed with a 1μF capacitor to GND U.
Charge-Pump Capacitor. Negative/positive input for the internal charge pump. Connect a 0.01μF high-
voltage capacitor between CP+ and CP-.
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX11081GUU/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 |
| MAX11081GUU/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 |
| MAX11081GUU+ | 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 |
| MAX11081GUU+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 |
| MAX11081GUU+TW | 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 |
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