参数资料
型号: ADM1275-3ACPZ
厂商: Analog Devices Inc
文件页数: 38/48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
IOUT_WARN2_LIMIT
Code: 0xD7, read/write word. Value after reset: 0x0000.
Table 17. Bit Descriptions for IOUT_WARN2_LIMIT Command
Data Sheet
Bits
[15:12]
[11:0]
Bit Name
Reserved
IOUT_WARN2_LIMIT
Settings
0000
Description
Always reads as 0000.
Threshold for the IOUT measurement through the sense resistor, expressed in ADC
codes. This value can be either an undercurrent or an overcurrent, depending on the
state of the IOUT_WARN2_SELECT bit set using the DEVICE_CONFIG command.
VIN_OV_WARN_LIMIT
Code: 0x57, read/write word. Value after reset: 0x0FFF.
Table 18. Bit Descriptions for VIN_OV_WARN_LIMIT Command
Bits
[15:12]
[11:0]
Bit Name
Reserved
VIN_OV_WARN_LIMIT
Settings
0000
Description
Always reads as 0000.
Overvoltage threshold for the SENSE+ pin measurement, expressed in ADC codes.
VIN_UV_WARN_LIMIT
Code: 0x58, read/write word. Value after reset: 0x0000.
Table 19. Bit Descriptions for VIN_UV_WARN_LIMIT Command
Bits
[15:12]
[11:0]
Bit Name
Reserved
VIN_UV_WARN_LIMIT
Settings
0000
Description
Always reads as 0000.
Undervoltage threshold for the SENSE+ pin measurement, expressed in ADC codes.
STATUS_BYTE
Code: 0x78, read byte. Value after reset: 0x00.
Table 20. Bit Descriptions for STATUS_BYTE Command
Bits
7
6
Bit Name
Reserved
HOTSWAP_OFF
Behavior
Live
Settings
0
0
Description
Always reads as 0.
The hot-swap gate drive output is enabled.
1
The hot-swap gate drive output is disabled, and the GATE pin is pulled
down. This can be due to, for example, an overcurrent fault that causes
the ADM1275 to latch off, an undervoltage condition on the UV pin, or
the use of the OPERATION command to turn the output off.
5
Reserved
0
Always reads as 0.
4
IOUT_OC_FAULT
Latched
0
No overcurrent output fault detected.
1
The hot-swap controller detected an overcurrent condition and the time
limit set by the capacitor on the TIMER pin has elapsed, causing the hot-
swap gate drive to shut down.
3
VIN_UV_FAULT
Latched
0
No undervoltage input fault detected on the UV pin.
1
An undervoltage input fault was detected on the UV pin.
2
Reserved
0
Always reads as 0.
1
CML_ERROR
Latched
0
No communications error detected on the I 2 C/PMBus interface.
1
An error was detected on the I 2 C/PMBus interface. Errors detected are
unsupported command, invalid PEC byte, and incorrectly structured
message.
0
NONE_OF_THE_ABOVE
Live
0
No other active status bit to be reported by any other status command.
1
Active status bits are waiting to be read by one or more status commands.
Rev. D | Page 38 of 48
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