參數(shù)資料
型號(hào): PIP8000FHN/N1
廠商: 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): 2/26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
10 of 26
NXP Semiconductors
PIP8000FHN
Digital power supervisor
ON_OFF_CONFIG = 0x00: Power-up when VCC is valid. Uses OPERATION for
margin and normal power-down.
ON_OFF_CONFIG = 0x04: OPERATION controls everything for normal
power-up/power-down.
ON_OFF_CONFIG = [0x10, 0x11, 0x12, 0x13]: Control pin initiates everything except
OPERATION-margin. 0x10, 0x11 are assert LOW and 0x12, 0x13 are assert HIGH.
Margin-no-margin 0x(81,94, 98, A4, A8) always works, regardless of on_off_cong
setting.
7.7 ALERT_CONFIG
The byte species for which fault condition the SMBus SMAlert protocol will be initiated.
This setting inuences only the SMAlert protocol and not the detection and handling of
fault conditions by the PIP8000FHN. When set to 0x00 SMAlert will not signal any
condition. Bit elds are:
Table 5.
ON_OFF_CONFIG
Hex
VIN > VIN_on = power-up;
VIN <VIN_fault/VIN_off = power-down
0x00
OPERATION controls power-up/power-down
0x04
CTL on active LOW, soft off
0x10
CTL on active LOW, hard off
0x11
CTL on active HIGH, soft off
0x12
CTL on active HIGH, hard off
0x13
Table 6.
Operation
Mask
Hex
Immediate OFF
& C0
0
Soft off
& C0
40
Unit on no margin
& F0
81
Margin low ignore fault
& FC
94
Margin low faults enabled
& FC
98
Margin high ignore fault
& FC
A4
Margin high fault enabled
& FC
A8
Table 7.
ALERT CONFIG
Bits [7..0]
SMAlert protocol used to signal
[0]
VOUT_UV_FAULT
[1]
VOUT_OV_FAULT
[2]
IOUT_OV_FAULT
[3]
TON_MAX_FAULT
[4]
VIN_OV_FAULT
[5]
VIN_UV_FAULT
[6]
IIN_OV_FAULT
[7]
OT_FAULT
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