参数资料
型号: ADM1275-1ACPZ
厂商: Analog Devices Inc
文件页数: 43/48页
文件大小: 0K
描述: IC HOT SWAP CTRL PMBUS 20LFCSP
标准包装: 1
类型: 热交换控制器
应用: 通用
内部开关:
电流限制: 可调
电源电压: 2.95 V ~ 20 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-WQFN 裸露焊盘,CSP
供应商设备封装: 20-LFCSP-WQ(5x5)
包装: 托盘
配用: EVAL-ADM1275EBZ-ND - BOARD EVALUATION FOR ADM1275
Data Sheet
ADM1275
PMON_CONFIG
Code: 0xD4, read/write byte. Value after reset: 0x2C.
Modifying the power monitor settings while the power monitor is sampling is not supported. The power monitor must be stopped before
any setting in Table 37 is changed to ensure correct operation and to prevent any potential spurious data and status alerts being generated.
Table 37. Bit Descriptions for PMON_CONFIG Command
Bits
7
6
5
4
3
[2:0]
Bit Name
PMON_MODE
VIN_VOUT_SELECT
VRANGE
Reserved
Reserved
AVERAGING
Settings
0
1
0
1
0
1
0
1
000
001
010
011
100
101
110
111
Description
Default. This setting selects single-shot sampling mode.
This setting selects continuous sampling mode.
Default. The power monitor will sample the input voltage on the SENSE+ pin. On the
ADM1275 -2, this bit should always be written as 0.
The power monitor will sample the output voltage on the VOUT pin.
Sets the voltage input range from 0 V to 6 V (low input voltage range).
Default. Sets the voltage input range from 0 V to 20 V (high input voltage range).
Reserved. This bit must always be written as 0.
Default. This bit must be set to 1 for the power monitor current sense to operate
correctly.
Disables sample averaging for current and voltage.
Sets sample averaging for current and voltage to 2 samples.
Sets sample averaging for current and voltage to 4 samples.
Sets sample averaging for current and voltage to 8 samples.
Sets sample averaging for current and voltage to 16 samples.
Sets sample averaging for current and voltage to 32 samples.
Sets sample averaging for current and voltage to 64 samples.
Sets sample averaging for current and voltage to 128 samples.
ALERT1_CONFIG
Code: 0xD5, read/write word. Value after reset: 0x0000.
This command is supported on the ADM1275 -1 and the ADM1275 -2. The ADM1275 -3 does not have a GPO1/ALERT1/CONV pin.
Table 38. Bit Descriptions for ALERT1_CONFIG Command
Bits
15
14
13
12
11
10
9
8
7
6
Bit Name
FET_HEALTH_BAD_EN1
IOUT_OC_FAULT_EN1
VIN_OV_FAULT_EN1
VIN_UV_FAULT_EN1
CML_ERROR_EN1
IOUT_OC_WARN_EN1
IOUT_WARN2_EN1
VIN_OV_WARN_EN1
VIN_UV_WARN_EN1
VOUT_OV_WARN_EN1
Settings
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Description
Default. Disables generation of SMBAlert when the FET_HEALTH_BAD bit is set.
Generate SMBAlert when the FET_HEALTH_BAD bit is set.
Default. Disables generation of SMBAlert when the IOUT_OC_FAULT bit is set.
Generate SMBAlert when the IOUT_OC_FAULT bit is set.
Default. Disables generation of SMBAlert when the VIN_OV_FAULT bit is set.
Generate SMBAlert when the VIN_OV_FAULT bit is set.
Default. Disables generation of SMBAlert when the VIN_UV_FAULT bit is set.
Generate SMBAlert when the VIN_UV_FAULT bit is set.
Default. Disables generation of SMBAlert when the CML_ERROR bit is set.
Generate SMBAlert when the CML_ERROR bit is set.
Default. Disables generation of SMBAlert when the IOUT_OC_WARN bit is set.
Generate SMBAlert when the IOUT_OC_WARN bit is set.
Default. Disables generation of SMBAlert when the IOUT_WARN2 bit is set.
Generate SMBAlert when the IOUT_WARN2 bit is set.
Default. Disables generation of SMBAlert when the VIN_OV_WARN bit is set.
Generate SMBAlert when the VIN_OV_WARN bit is set.
Default. Disables generation of SMBAlert when the VIN_UV_WARN bit is set.
Generate SMBAlert when the VIN_UV_WARN bit is set.
Default. Disables generation of SMBAlert when the VOUT_OV_WARN bit is set.
Generate SMBAlert when the VOUT_OV_WARN bit is set.
Rev. D | Page 43 of 48
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