參數(shù)資料
型號(hào): PIP8000FHN/N1
廠(chǎng)商: NXP SEMICONDUCTORS
元件分類(lèi): 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC28
封裝: 6 X 6 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT788-1, HVQFN-28
文件頁(yè)數(shù): 26/26頁(yè)
文件大?。?/td> 126K
代理商: PIP8000FHN/N1
PIP8000FHN_2
NXP B.V. 2009. All rights reserved.
Preliminary data sheet
Rev. 02 — 6 July 2009
9 of 26
NXP Semiconductors
PIP8000FHN
Digital power supervisor
7.4.5 Coefcients and query
The coefcients and query commands uses the block-write-block-read process call as
described in the
SMBus specication, version 2.0.
7.5 Power-up /power-down
Controlling the power train can be accomplished in the following three ways:
VIN controls power-up and power-down based on the VIN value passing through
required threshold,
OPERATION and ON_OFF_CONFIG commands controls on/off switch of the power
train.
CTL-pin is the on/off switch. It can be congured to assert HIGH or LOW.
7.6 OPERATION and ON_OFF_CONFIG
PIP8000FHN supports the following power-up/power-down process. See Table 5 and
PMBUS_VIN_OV_FAULT_LIMIT
PMBUS_VIN_OV_WARN_LIMIT
PMBUS_VIN_UV_WARN_LIMIT
PMBUS_VIN_UV_FAULT_LIMIT
PMBUS_READ_IIN
PMBUS_IIN_OC_FAULT_LIMIT
PMBUS_IIN_OC_WARN_LIMIT
PMBUS_READ_TEMPERATURE_1
PMBUS_OT_FAULT_LIMIT
PMBUS_OT_WARN_
PMBUS_READ_TEMPERATURE_
PMBUS_READ_USER_AD
Table 4.
Modes for data formats …continued
VOUT_MODE
CONFIG_COMMAND Mode
Fig 3.
Block-write-block-read example for coefcients
1
A
BYTE COUNT = 2
8
COEFFICIENTS
COMMAND CODE
8
1
A
1
A
W
1
SLAVE
ADDRESS
7
S
1
...
1
A
8
PARAMETER
CODE - LOW BYTE
8
1
A
...
PARAMETER
CODE - HIGH BYTE
1
A
m: Low Byte
8
BYTE COUNT = 5
8
1
A
1
A
R
1
SLAVE
ADDRESS
7
Sr
1
...
m: High Byte
7
A
1
A
b: High Byte
8
b: Low Byte
8
1
A
NA
1
R: One Byte
8
A
1
8
PEC
1
P
014aaa586
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