参数资料
| 型号： | NCP4208MNR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 26/30页 |
| 文件大小： | 0K |
| 描述： | IC CTLR 8PH VR11.1 PMBUS 48-QFN |
| 标准包装： | 2,500 |
| 应用： | 控制器，Intel VR11.1 |
| 输入电压： | 4.7 V ~ 5.75 V |
| 输出数： | 8 |
| 输出电压： | 0.16 V ~ 5 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-VFQFN 裸露焊盘 |
| 供应商设备封装： | 48-QFN（7x7） |
| 包装： | 带卷 (TR) |
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NCP4208
Cmd
Code
R/W
Default
Description
#
Bytes
Comment
0x80
R
0x00
STATUS_ALERT
1
Bit
Name
Description
7
6
5
4
3
2
1
0
Res
Res
Res
Res
Res
V MON
WARN
Res
Res
Reserved for future use.
Reserved for future use.
Reserved for future use.
Reserved for future use.
Reserved for future use.
Gets asserted when V MON exceeds it
programmed WARN limits.
Reserved for future use.
Reserved for future use.
0x8B
0x8C
0x96
0x99
0x9A
0x9B
R
R
R
R
R
R
0x00
0x00
0x00
0x41
0x0208
0x03
READ_VOUT
READ_IOUT
READ_POUT
MFR_ID
MFR_MODEL
MFR_REVISION
2
2
2
1
2
1
Readback output voltage. Voltage is read back in VID Mode
Readback output current. Current is read back in Linear Mode (Amps).
Readback Output Power, read back in Linear Mode in W’s.
Table 10. Manufacturer Specific Command Codes for the NCP4208
Cmd
Code
R/W
Default
Description
#
Bytes
Comment
0xDO
R/W
0x00
Lock/Reset
1
Bit
Name
Description
1
0
Reset
Lock
Resets all registers to their POR Value. Has
no effect if Lock bit is set.
Logic 1 locks all limit values to their current
settings. Once this bit is set, all lockable
registers become read ? only and cannot be
modified until the NCP4208 is powered down
and powered up again. This prevents rogue
programs such as viruses from modifying
critical system limit settings. (Lockable).
0xD1
R/W
0x03
Mfr Config
1
Bit
Name
Description
7:6
5
PSI
Res
These bits sets the number of phases turned
on during PSI.
00 = CL set for 1 Phase (default)
01 = CL set for 2 Phases
10 = CL set for 3 Phases
11 = CL set for 1 Phase
Reserved for future use.
4
ALERT Mode
1 = Comparator Mode.
0 = ALERT Mode.
3
2
1
0
BUS_TO_EN
Res
ALERT_EN
ENABLE_
MONITOR
Bus Timeout Enable. When the BUS_TO_EN
bit is set to 1, the I 2 C Timeout feature is
enabled. In this state if, at any point during an
I 2 C transaction involving the NCP4208, activity
ceases for more than 35 ms, the NCP4208
assumes the bus is locked and releases the
bus. This allows the NCP4208 to be used with
I 2 C controllers that cannot handle I 2 C timeouts.
(Lockable).
Reserved for future use.
Enable the ALERT pin.
When the ENABLE_MONITOR bit is set to 1,
the NCP4208 starts conversions with the
ADC and monitors the voltages and
temperatures.
http://onsemi.com
26
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