参数资料
型号: MIC2755YMM 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: MIC2755YMMTR
MIC2755YMMTR-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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