参数资料
| 型号： | NCP4200MNR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 28/32页 |
| 文件大小： | 0K |
| 描述： | IC CONV SYNC BUCK PMBUS 40QFN |
| 标准包装： | 2,500 |
| 应用： | 转换器，Intel VR11，VR11.1 |
| 输入电压： | 1.7 V ~ 24 V |
| 输出数： | 1 |
| 输出电压： | 0.375 V ~ 1.8 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-VFQFN 裸露焊盘 |
| 供应商设备封装： | 40-QFN（6x6） |
| 包装： | 带卷 (TR) |
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NCP4200
Cmd
Code
R/W
Default
Description
#
Bytes
Comment
0x80
R
0x00
STATUS_ALERT
1
Bit
Name
Description
7
6
5
4
3
Res
Res
Res
Res
Res
2
1
0
V MON
WARN
V MON
FAULT
Res
Gets asserted when V MON exceeds it
programmed WARN limits.
Gets asserted when V MON exceeds it
programmed FAULT limits.
0x88
R
0x00
2
0x8B
0x8C
0x8D
0x96
0x99
0x9A
0x9B
R
R
R
R
R
R
R
0x00
0x00
0x00
0x00
0x4101
0x0002
0x0301
READ_VOUT
READ_IOUT
READ_POUT
MFR_ID
MFR_MODEL
MFR_REVISION
2
2
2
2
1
2
1
Read ? back output voltage. Voltage is read back in VID Mode.
Read ? back output current. Current is read back in Linear Mode
(Amps).
Read ? back Output Power, read back in Linear Mode in W’s.
0x4101
0x0002
0x0301
Table 12. Manufacturer Specific Command Codes for the NCP4200
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 NCP4200 is powered down
and powered up again. This prevents rogue
programs such as viruses from modifying
critical system limit settings. (Lockable).
0xD1
R/W
0x07
Mfr Config
1
Bit
Name
Description
7:6
5
4
3
2
1
0
PSI
Res
Res
BUS_TO_EN
FAULT_EN
ALERT_EN
ENABLE_
MONITOR
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 1 Phase
11 = CL set for 1 Phase
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 NCP4200,
activity ceases for more than 35 ms, the
NCP4200 assumes the bus is locked and
releases the bus. This allows the NCP4200 to
be used with I 2 C controllers that cannot
handle I 2 C timeouts. (Lockable).
Enable the FAULT pin, Default = 1.
Enable the ALERT pin.
When the ENABLE_MONITOR bit is set to 1,
the NCP4200 starts conversions with the ADC
and monitors the voltages.
http://onsemi.com
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| NCP4201MNR2G | 功能描述:直流/直流开关转换器 VR11.1 4PH CTRL PMBUS ITF RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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