參數(shù)資料
型號: TPS2459RHBR
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32
封裝: PLASTIC, QFP-32
文件頁數(shù): 9/44頁
文件大?。?/td> 983K
代理商: TPS2459RHBR
PRODUCTPREVIEW
www.ti.com ............................................................................................................................................................................................ SLUS917 – FEBRUARY 2009
Table 2. Summary of Registers (continued)
BIT
NAME
DEFAULT
DESCRIPTION
REGISTER 7 READ ONLY
LATCHED CHANNEL STATUS INDICATORS, CLEARED ON READ
0
1
spare
2
3
4
12PG
0
Latches high when OUT12 goes from above VTH_PG to below VTH_PG.
5
12FLT
0
Latches high when 12 fault timer has run out.
6
3PG
0
Latches high when OUT3 goes from above VTH_PG to below VTH_PG.
7
3FLT
0
Latches high when 3-V fault timer has run out.
REGISTER 8 READ ONLY
LATCHED OVERCURRENT INDICATORS, CLEARED ON READ
0
1
spare
2
3
4
12OC
0
Latches high when 12-V channel goes into over-current.
5
12FTR
0
Latches high if 12-V fast trip threshold exceeded.
6
3OC
0
Latches high when 3-V enters over-current.
7
3FTR
0
Latches high if 3-V fast trip threshold exceeded.
REGISTER 9 READ ONLY
UNLATCHED FET STATUS INDICATORS
0
spare
1
spare
2
spare
3
12BS
High indicates BLK commanded high.
4
12PS
Low indicates (VPASS > VOUT + 6 V).
5
3BS
Low indicates VIN3 > VOUT3.
6
spare
7
3GS
Low indicates 3 V channel gate is driven on VGATE > ( VIN + 1.75 V ).
Copyright 2009, Texas Instruments Incorporated
17
Product Folder Link(s): TPS2459
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