参数资料
| 型号： | MIC2755BMM TR |
| 厂商： | Micrel Inc |
| 文件页数： | 2/10页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR BATT SYSTEM 8-MSOP |
| 标准包装： | 2,500 |
| 类型： | 备用电池电路 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 700 ms |
| 电压 - 阀值： | 可调节/可选择 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC2755BMMTR MIC2755BMMTR-ND |
MIC2755
Pin Con?guration
Micrel, Inc.
Part Number
Standard Pb-Free
Junction Temp. Range
Package
MIC2755BMM
MIC2755YMM
–40oC to +185oC
8-Pin MSOP
Pin Con?guration
RTH(/MR) 1
NTH 2
PTH 3
GND 4
8 VDD
7 /RST
6 /NMI
5 /POF
8-Pin MSOP (MM)
Pin Description
Pin Number
1
2
3
4
5
6
7
8
Pin Name
RTH(/MR)
NTH
PTH
GND
/POF
/NMI
/RST
VDD
Pin Function
Power-On Reset Threshold (Analog Input): Comparator input assigned to
battery-OK condition detection. When the level on this pin ?rst exceeds
V REF , the reset generator cycles. The /RST output is held low for a minimum
of 700ms and the /POF threshold output is deasserted.
Nonmaskable Interrupt Threshold (Analog Input): Voltage monitor input as-
signed to “low battery” condition detection. When the level on this pin falls
below V REF , the /NMI output is asserted.
Power-Off Threshold (Analog Input): Voltage monitor input assigned to
“dead battery” condition detection. When the level on this pin falls below
V REF , the /RST and /POF outputs are asserted. The condition is latched until
a reset cycle occurs (V RTH > V REF ).
Ground: Power and signal return for all IC functions.
Power-off (Output): Active-low, open-drain output. Asserted and latched
when V PTH < V REF , which is a “dead battery” condition. The system is held in
reset until the battery is replaced and a power-on reset cycle occurs.
Nonmaskable Interrupt (Output): Active-low, open-drain output. Asserted
when V NTH < V REF , which is a “low battery” condition. This indicates high-
power system operation should not be allowed.
Reset (Output): Active-low, open-drain output. Asserted for a minimum of
700ms at power-on or anytime V PTH drops below V REF . Also asserted for
175ms minimum when RTH (/MR) is externally pulled low (manual reset).
(Analog Input): Power supply input.
MIC2755
2
January 2006
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| MIC2755YMM TR | 功能描述:监控电路 Battery system supervisor; MSOP-08 (Lead Free) RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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