參數(shù)資料
型號: P95020NQG8
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 電源管理
英文描述: 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC132
封裝: 10 X 10 MM, 0.85 MM HEIGHT, QFN-132
文件頁數(shù): 48/169頁
文件大?。?/td> 4297K
代理商: P95020NQG8
IDTP95020
Product Datasheet
September 2, 2011 Revision 1.3 Final
141
2011 Integrated Device Technology, Inc.
Hotswap – Pin Definitions
Table 231. Hotswap Pin Definitions
PIN # PIN_ID
DESCRIPTION
B47
HSCTRL1 Hot Swap Control Input 1
A58
HSO1
Hot Swap Output 1
B48
HSPWR
Hot Swap Switches Power Input
A59
HSO2
Hot Swap Output 2
B49
HSCTRL2 Hot Swap Control Input 2
PCON Register – Hotswap Configuration
IC Address = Page-0: 54(0x36), C Address = 0xA036
Table 232. PCON Register Hotswap Configuration
BIT
BIT NAME
DEFAULT
SETTING
USER
TYPE
VALUE
DESCRIPTION / COMMENTS
0
FORCE_SW2_ON 0b
RW
0 = SW2 OFF
1 = SW2 ON
Force SW2 On
1
FORCE_SW1_ON 0b
RW
0 = SW1 OFF
1 = SW1 ON
Force SW1 On
2
FORCE_SW2_EN
0b
RW
0 = NORMAL SW2
1 = FORCE SW2
Force SW2 Enable
3
FORCE_SW1_EN
0b
RW
0 = NORMAL SW1
1 = FORCE SW1
Force SW1 Enable
4
CTRL_INV
0b
RW
0 = HSCTRL1 (1 turns on the switch)
1 = HSCRTL1 (0 turns on the switch)
Inverts Hotswap Control Pin Polarity
[7:5] RESERVED
000b
RW
RESERVED
Note: To enable HOTSWAP Switch 1, first program FORCE_SW1_ON to 1 then enable the switch by programming
FORCE_SW1_EN to 1 or by forcing the HSCTRL1 to high (for CTRL_INV = 0).
Table 233. HSO1 function truth tables with HSCTRL1 pin and control register
PIN
CONTROL REGISTER
OUTPUT
HSCTRL1 FORCE_SW1_ON FORCE_SW1_EN CTRL_INV
HSO1
1
x
0
SW1 IS ON
0
x
0
HIZ
1
x
0
1
HIZ
0
x
0
1
SW1 IS ON
x
0
1
x
HIZ
x
1
x
SW1 IS ON
Note: HSO2 function truth table with HSCTRL2 pin and control reister is similar as Table 230.
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