參數(shù)資料
型號: TPS2045BD
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: PLASTIC, MS-012AA, SOIC-8
文件頁數(shù): 25/28頁
文件大小: 994K
代理商: TPS2045BD
www.ti.com
Thermal
Sense
Driver
Current
Limit
Charge
Pump
UVLO
CS
Driver
Current
Limit
CS
Thermal
Sense
Charge
Pump
GND
EN1
IN
EN2
OC1
OUT1
OUT2
OC2
Deglitch
(SeeNote A)
SLVS532C – JULY 2004 – REVISED OCTOBER 2007
Terminal Functions (TPS2046B)
TERMINAL
I/O
DESCRIPTION
NAME
NUMBER
EN1
3
I
Enable input, logic low turns on power switch IN-OUT1
EN2
4
I
Enable input, logic low turns on power switch IN-OUT2
GND
1
Ground
IN
2
I
Input voltage
OC1
8
O
Overcurrent, open-drain output, active low, IN-OUT1
OC2
5
O
Overcurrent, open-drain output, active low, IN-OUT2
OUT1
7
O
Power-switch output, IN-OUT1
OUT2
6
O
Power-switch output, IN-OUT2
FUNCTIONAL BLOCK DIAGRAM (TPS2046B)
A.
Current sense
6
Copyright 2004–2007, Texas Instruments Incorporated
Product Folder Link(s): TPS2045B TPS2055B TPS2046B TPS2047B
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