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| 型号： | ADM1191 |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | Digital Power Monitor with Convert Pin and ALERTB O |
| 中文描述： | 数字电源监视器转换引脚和ALERTB ? |
| 文件页数： | 6/16页 |
| 文件大小： | 269K |
| 代理商： | ADM1191 |
ADM1191
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Rev. 0 | Page 6 of 16
VCC
1
SENSE
2
CONV
3
GND
4
SETV
5
ALERTB
10
A1
9
A0
8
SDA
7
SCL
6
ADM1191ARMZ
TOP VIEW
(Not to Scale)
0
Figure 3. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
1
VCC
Description
Positive Supply Input Pin. The operating supply voltage range is from 3.15 V to 26 V. An undervoltage lockout
(UVLO) circuit resets the ADM1191 when a low supply voltage is detected.
Current Sense Input Pin. A sense resistor between the VCC pin and the SENSE pin generates a voltage across
a sense resistor. This voltage is proportional to the load current. A current sense amplifier amplifies this
voltage before it is digitized by the ADC.
Convert Start Pin. A high level on this pin enables an ADC conversion. The state of an internal control register,
which is set through the I
2
C interface, configures the part to convert current only, voltage only, or both
channels when the convert pin is asserted.
Chip Ground Pin.
Input Pin. The voltage driven onto this pin is compared to the output of the internal current sense amplifier.
The lower the voltage on the SETV, the lower the current level that causes the ALERTB output to assert.
I
2
C Clock Pin. Open-drain input; requires an external resistive pull-up.
I
2
C Data I/O Pin. Open-drain input/output; requires an external resistive pull-up.
I
2
C Address Pin. This pin can be tied low, tied high, left floating, or tied low through a resistor. Sixteen different
I
2
C address options are available, depending on the external configuration of the A0 pin and the A1 pin.
I
2
C Address Pin. This pin can be tied low, tied high, left floating, or tied low through a resistor. Sixteen different
I
2
C address options are available, depending on the external configuration of the A0 pin and the A1 pin.
Alert Output Pin. Active-low, open-drain configuration. This pin asserts low when an overcurrent condition is
present. The level at which an overcurrent condition is detected depends on the voltage on the SETV pin.
2
SENSE
3
CONV
4
5
GND
SETV
6
7
8
SCL
SDA
A0
9
A1
10
ALERTB
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADM1191_08 | 制造商:AD 制造商全称:Analog Devices 功能描述:Digital Power Monitor with Convert Pin and ALERTB Output |
| ADM1191-2ARMZ-R7 | 功能描述:IC PWR MONITOR DGTL ALERT 10MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 应用:热电冷却器 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.173"，4.40mm 宽）裸露焊盘 供应商设备封装:28-TSSOP 裸露焊盘 包装:管件 产品目录页面:1410 (CN2011-ZH PDF) |
| ADM1191-2ARMZ-R71 | 制造商:AD 制造商全称:Analog Devices 功能描述:Digital Power Monitor with Convert Pin and ALERTB O |
| ADM1192 | 制造商:AD 制造商全称:Analog Devices 功能描述:Digital Power Monitor with Clear Pin and ALERT Output |
| ADM1192_08 | 制造商:AD 制造商全称:Analog Devices 功能描述:Digital Power Monitor with Clear Pin and ALERT Output |
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