参数资料
型号: ADM1275-3ARQZ
厂商: Analog Devices Inc
文件页数: 37/48页
文件大小: 0K
描述: IC HOT SWAP CTRL PMBUS 20QSOP
标准包装: 56
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-SSOP(0.154",3.90mm 宽)
供应商设备封装: 20-QSOP
包装: 管件
配用: EVAL-ADM1275EBZ-ND - BOARD EVALUATION FOR ADM1275
Data Sheet
OPERATION
Code: 0x01, read/write byte. Value after reset: 0x80.
Table 12. Bit Descriptions for OPERATION Command
ADM1275
Bits
7
[6:0]
Bit Name
ON
Reserved
Settings
0
1
0000000
Description
Hot-swap output is disabled.
Default. Hot-swap output is enabled.
Always reads as 0000000.
CLEAR_FAULTS
Code: 0x03, send byte, no data.
CAPABILITY
Code: 0x19, read byte. Value after reset: 0xB0.
Table 13. Bit Descriptions for CAPABILITY Command
Bits
7
[6:5]
4
[3:0]
Bit Name
Packet error checking
Maximum bus speed
SMBALERT#
Reserved
Settings
1
01
1
0000
Description
Always reads as 1. Packet error checking (PEC) is supported.
Always reads as 01. Maximum supported bus speed is 400 kHz.
Always reads as 1. Device supports SMBAlert and alert response address (ARA).
Always reads as 0000.
VOUT_OV_WARN_LIMIT
Code: 0x42, read/write word. Value after reset: 0x0FFF.
This command is supported on the ADM1275 -1 and the ADM1275 -3. The ADM1275 -2 does not have a VOUT pin.
Table 14. Bit Descriptions for VOUT_OV_WARN_LIMIT Command
Bits
[15:12]
[11:0]
Bit Name
Reserved
VOUT_OV_WARN_LIMIT
Settings
0000
Description
Always reads as 0000.
Overvoltage threshold for the VOUT pin measurement, expressed in ADC codes.
VOUT_UV_WARN_LIMIT
Code: 0x43, read/write word. Value after reset: 0x0000.
This command is supported on the ADM1275 -1 and the ADM1275 -3. The ADM1275 -2 does not have a VOUT pin.
Table 15. Bit Descriptions for VOUT_UV_WARN_LIMIT Command
Bits
[15:12]
[11:0]
Bit Name
Reserved
VOUT_UV_WARN_LIMIT
Settings
0000
Description
Always reads as 0000.
Undervoltage threshold for the VOUT pin measurement, expressed in ADC codes.
IOUT_OC_WARN_LIMIT
Code: 0x4A, read/write word. Value after reset: 0x0FFF.
Table 16. Bit Descriptions for IOUT_OC_WARN_LIMIT Command
Bits
[15:12]
[11:0]
Bit Name
Reserved
IOUT_OC_WARN_LIMIT
Settings
0000
Description
Always reads as 0000.
Overcurrent threshold for the IOUT measurement through the sense resistor,
expressed in ADC codes.
Rev. D | Page 37 of 48
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