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参数资料
| 型号： | ADM1176-2ARMZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 20/24页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR HOTSWAP 16.5V 10-MSOP |
| 产品培训模块： | Hot Swap Design |
| 标准包装： | 1 |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | 3.15 V ~ 16.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 标准包装 |
| 产品目录页面： | 792 (CN2011-ZH PDF) |
| 配用： | EVAL-ADM1176EBZ-ND - BOARD EVALUATION FOR ADM1176 |
| 其它名称： | ADM1176-2ARMZ-R7DKR |
S ADDRESS R A DATA 1 A DATA 2 A DATA 3 N P
ADM1176
READ VOLTAGE AND/OR CURRENT DATA BYTES
Depending on how the device is configured, ADM1176 can be
set up to provide information in three ways after a conversion
(or conversions): voltage and current readback, voltage only
Byte section for more details.
Voltage and Current Readback
The ADM1176 digitizes both voltage and current. Three bytes
Table 12. Voltage and Current Readback Format
Data Sheet
9. The master asserts a no acknowledge on SDA.
10. The master asserts a stop condition on SDA, and the
transaction ends.
For cases where the master is reading voltage only or current
only, two data bytes are read and Step 7 and Step 8 are not required.
1 2 3 4 5 6 7 8 9 10
SLAVE
Figure 38. Three-Byte Read from ADM1176
Byte
Contents
B7
B6
B5
B4
B3
B2
B1
B0
1
2
Voltage
MSBs
Current
V11
I11
V10
I10
V9
I9
V8
I8
V7
I7
V6
I6
V5
I5
V4
I4
1
S
2
SLAVE
ADDRESS
3
R A
4
DATA 1
5
A
6
DATA 2
7 8
N P
MSBs
Figure 39. Two-Byte Read from ADM1176
3
LSBs
V3
V2
V1
V0
I3
I2
I1
I0
Converting ADC Codes to Voltage and Current Readings
Voltage Readback
The ADM1176 digitizes voltage only. Two bytes are read back in
Equation 10 and Equation 11 can be used to convert ADC
codes representing voltage and current from the ADM1176
12-bit ADC into actual voltage and current values.
Voltage = ( V FULLSCALE /4096) × Code
(10)
Table 13. Voltage Only Readback Format
Byte Contents B7 B6 B5 B4
1 Voltage V11 V10 V9 V8
MSBs
2 Voltage V3 V2 V1 V0
LSBs
B3
V7
0
B2
V6
0
B1
V5
0
B0
V4
0
where:
V FULLSCALE = 6.65 V (7:2 range) or 26.35 V (14:1 range).
Code is the ADC voltage code read from the device
(Bit V11 to Bit V0).
Current = (( I FULLSCALE /4096) × Code )/ Sense Resistor
(11)
where:
Current Readback
The ADM1176 digitizes current only. Two bytes are read back
I FULLSCALE = 105.84 mV.
Code is the ADC current code read from the device
(Bit I11 to Bit I0).
Table 14. Current Only Readback Format
Byte Contents B7 B6 B5 B4
1 Current I11 I10 I9 I8
MSBs
B3
I7
B2
I6
B1
I5
B0
I4
Read Status Register
A single register of status data can also be read from the
ADM1176 as follows:
1. The master device asserts a start condition on SDA.
2
Current
LSBs
I3
I2
I1
I0
0
0
0
0
2.
The master sends the 7-bit slave address, followed by the
read bit (high).
3.
The addressed slave device asserts an acknowledge on SDA.
The following series of events occurs when the master receives
three bytes (voltage and current data) from the slave device:
4.
5.
The master receives the status byte.
The master asserts an acknowledge on SDA.
1.
The master device asserts a start condition on SDA.
1
2
3
4
5
S ADDRESS R A
2.
The master sends the 7-bit slave address, followed by the
read bit (high).
SLAVE
STATUS
BYTE
A
3.
4.
5.
6.
7.
8.
The addressed slave device asserts an acknowledge on SDA.
The master receives the first data byte.
The master asserts an acknowledge on SDA.
The master receives the second data byte.
The master asserts an acknowledge on SDA.
The master receives the third data byte.
Figure 40. Status Read from ADM1176
that Bit 1, Bit 3, and Bit 5 are cleared by writing to Bit 4 (the
CLEAR bit) of the ALERT_EN register.
Rev. C | Page 20 of 24
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| ADM1176EBZ | 制造商:AD 制造商全称:Analog Devices 功能描述:Hot Swap Controller and I2C㈢ Power Monitor with Convert Pin |
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| ADM1177-1ARMZ-R7 | 功能描述:IC CTRLR HOTSWAP 16.5V 10-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
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