ADM1192
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Data Sheet
VCC 1
10 ALERT
SENSE 2
SETV 3
GND 4
TIMER 5
ADM1192
TOP VIEW
(Not to Scale)
9
8
7
6
CLRB
ADR
SDA
SCL
Figure 3. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
Mnemonic
VCC
SENSE
SETV
GND
TIMER
SCL
SDA
ADR
CLRB
ALERT
Description
Positive Supply Input Pin. The operating supply voltage range is 3.15 V to 26 V. An undervoltage lockout (UVLO)
circuit resets the ADM1192 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.
Input Pin. The voltage driven onto this pin is compared with the output of the internal current sense amplifier.
The lower the voltage on the SETV, the lower the current level that causes the ALERT output to assert. Typical
response time is 1 μs to 2 μs.
Chip Ground Pin.
Timer Input Pin. An external capacitor, C TIMER , sets the timing period for masking overcurrent conditions. This
timing period should be sufficient to allow the inrush current to completely charge up the load without
tripping an overcurrent fault. This makes the device robust against false triggering due to current transients.
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 to set four I 2 C
addresses.
Clear Pin. A latched overcurrent condition can be cleared by toggling this pin low. Holding this pin low
disables the ALERT output.
Alert Output Pin. Active high, open-drain configuration. This pin asserts high when an overcurrent condition is
present. The level at which an overcurrent condition is detected depends on either the voltage on the SETV pin or
the value in the ALERT_TH register. The ALERT_EN register determines which is used in the comparison. This pin has
a latching function and must be cleared manually using either the ALERT_EN register or the CLRB pin.
Rev. D | Page 6 of 20
相关PDF资料
EVAL-ADM1275EBZ BOARD EVALUATION FOR ADM1275
EVAL-ADM1276EBZ BOARD EVAL FOR ADM1276
EVAL-ADM2483EBZ BOARD EVAL FOR ADM2483
EVAL-ADM2485EB5Z BOARD EVAL FOR ADM2485
EVAL-ADM2486EBZ BOARD EVAL FOR ADM2486
EVAL-ADUM3221AEBZ BOARD EVAL FOR ADUM3220/ADUM3221
EVAL-ADUM3471EBZ EVALUATION MODULE FOR ADUM3471
EVAL-ADUM4160EBZ EVALUATION MODULE FOR ADUM4160
相关代理商/技术参数
EVAL-ADM1275EBZ 功能描述:BOARD EVALUATION FOR ADM1275 RoHS:是 类别:编程器,开发系统 >> 评估演示板和套件 系列:- 标准包装:1 系列:- 主要目的:电信,线路接口单元(LIU) 嵌入式:- 已用 IC / 零件:IDT82V2081 主要属性:T1/J1/E1 LIU 次要属性:- 已供物品:板,电源,线缆,CD 其它名称:82EBV2081
EVAL-ADM1276EBZ 功能描述:BOARD EVAL FOR ADM1276 RoHS:是 类别:编程器,开发系统 >> 评估演示板和套件 系列:* 标准包装:1 系列:- 主要目的:电信,线路接口单元(LIU) 嵌入式:- 已用 IC / 零件:IDT82V2081 主要属性:T1/J1/E1 LIU 次要属性:- 已供物品:板,电源,线缆,CD 其它名称:82EBV2081
EVAL-ADM2481EBZ 功能描述:BOARD EVAL FOR ADM2481 RoHS:是 类别:编程器,开发系统 >> 评估演示板和套件 系列:* 标准包装:1 系列:- 主要目的:电信,线路接口单元(LIU) 嵌入式:- 已用 IC / 零件:IDT82V2081 主要属性:T1/J1/E1 LIU 次要属性:- 已供物品:板,电源,线缆,CD 其它名称:82EBV2081
EVAL-ADM2482EEB3Z 功能描述:BOARD EVAL FOR ADM2482 RoHS:是 类别:编程器,开发系统 >> 评估演示板和套件 系列:- 标准包装:1 系列:- 主要目的:电信,线路接口单元(LIU) 嵌入式:- 已用 IC / 零件:IDT82V2081 主要属性:T1/J1/E1 LIU 次要属性:- 已供物品:板,电源,线缆,CD 其它名称:82EBV2081
EVAL-ADM2482EEB5Z 功能描述:BOARD EVAL FOR ADM2482 RoHS:是 类别:编程器,开发系统 >> 评估演示板和套件 系列:- 标准包装:1 系列:- 主要目的:数字电位器 嵌入式:- 已用 IC / 零件:AD5258 主要属性:- 次要属性:- 已供物品:板 相关产品:AD5258BRMZ1-ND - IC POT DGTL I2C1K 64P 10MSOPAD5258BRMZ10-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ100-ND - IC POT DGTL I2C 100K 64P 10MSOPAD5258BRMZ50-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ1-R7-ND - IC POT DGTL I2C 1K 64P 10MSOPAD5258BRMZ10-R7-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ50-R7-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ100-R7-ND - IC POT DGTL I2C 100K 64P 10MSOP
EVAL-ADM2483EBZ 功能描述:BOARD EVAL FOR ADM2483 RoHS:是 类别:编程器,开发系统 >> 评估演示板和套件 系列:* 标准包装:1 系列:- 主要目的:电信,线路接口单元(LIU) 嵌入式:- 已用 IC / 零件:IDT82V2081 主要属性:T1/J1/E1 LIU 次要属性:- 已供物品:板,电源,线缆,CD 其它名称:82EBV2081
EVAL-ADM2484EEBZ 功能描述:BOARD EVAL FOR ADM2484 RoHS:是 类别:编程器,开发系统 >> 评估演示板和套件 系列:iCoupler® 标准包装:1 系列:- 主要目的:电信,线路接口单元(LIU) 嵌入式:- 已用 IC / 零件:IDT82V2081 主要属性:T1/J1/E1 LIU 次要属性:- 已供物品:板,电源,线缆,CD 其它名称:82EBV2081
EVAL-ADM2485EB3Z 功能描述:BOARD EVAL FOR ADM2485 RoHS:是 类别:编程器,开发系统 >> 评估演示板和套件 系列:* 标准包装:1 系列:- 主要目的:电信,线路接口单元(LIU) 嵌入式:- 已用 IC / 零件:IDT82V2081 主要属性:T1/J1/E1 LIU 次要属性:- 已供物品:板,电源,线缆,CD 其它名称:82EBV2081