参数资料
型号: ADM1275-1ACPZ
厂商: Analog Devices Inc
文件页数: 40/48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
ADM1275
STATUS_INPUT
Code: 0x7C, read byte. Value after reset: 0x00.
Table 24. Bit Descriptions for STATUS_INPUT Command
Data Sheet
Bits
7
Bit Name
VIN_OV_FAULT
Behavior
Latched
Settings
0
Description
No overvoltage detected on the OV pin.
1
An overvoltage was detected on the OV pin.
6
VIN_OV_WARN
Latched
0
No overvoltage condition on the input supply detected by the power
monitor.
1
An overvoltage condition on the input supply was detected by the power
monitor.
5
VIN_UV_WARN
Latched
0
No undervoltage condition on the input supply detected by the power
monitor.
1
An undervoltage condition on the input supply was detected by the
power monitor.
4
VIN_UV_FAULT
Latched
0
No undervoltage detected on the UV pin.
1
An undervoltage was detected on the UV pin.
[3:0]
Reserved
0000
Always reads as 0000.
STATUS_MFR_SPECIFIC
Code: 0x80, read byte. Value after reset: 0x00.
Table 25. Bit Descriptions for STATUS_MFR_SPECIFIC Command
Bits
7
Bit Name
FET_HEALTH_BAD
Behavior
Latched
Settings
0
Description
FET behavior appears to be as expected.
1
FET behavior suggests that the FET may be shorted.
6
UV_CMP_OUT
Live
0
Input voltage to UV pin is above threshold.
1
Input voltage to UV pin is below threshold.
5
OV_CMP_OUT
Live
0
Input voltage to OV pin is below threshold.
1
Input voltage to OV pin is above threshold.
4
Reserved
0
Always reads as 0.
3
HS_INLIM
Latched
0
The ADM1275 has not actively limited the current into the load.
1
The ADM1275 has actively limited current into the load. This bit differs from
the IOUT_OC_FAULT bit in that the HS_INLIM bit is set immediately, whereas
the IOUT_OC_FAULT bit is not set unless the time limit set by the capacitor
on the TIMER pin elapses.
[2:1]
HS_SHUTDOWN_CAUSE
Latched
00
The ADM1275 is either enabled and working correctly, or has been shut
down using the OPERATION command.
01
10
11
An IOUT_OC_FAULT condition occurred that caused the ADM1275 to shut down.
A VIN_UV_FAULT condition occurred that caused the ADM1275 to shut down.
A VIN_OV_FAULT condition occurred that caused the ADM1275 to shut down.
0
IOUT_WARN2
Latched
0
No overcurrent condition on the output supply detected by the power
monitor using the IOUT_WARN2_LIMIT command.
1
An undercurrent or overcurrent condition on the output supply was
detected by the power monitor using the IOUT_WARN2_LIMIT command.
The polarity of the threshold condition is set by the IOUT_WARN2_SELECT bit
using the DEVICE_CONFIG command.
READ_VIN
Code: 0x88, read word. Value after reset: 0x0000.
Table 26. Bit Descriptions for READ_VIN Command
Bits
[15:12]
[11:0]
Bit Name
Reserved
VIN
Settings
0000
Description
Always reads as 0000.
Input voltage from the SENSE+ pin measurement, expressed in ADC codes.
Rev. D | Page 40 of 48
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