參數(shù)資料
型號(hào): TPS24701DGK
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: POWER SUPPLY SUPPORT CKT, PDSO8
封裝: GREEN, PLASTIC, MSOP-8
文件頁數(shù): 25/29頁
文件大?。?/td> 1956K
代理商: TPS24701DGK
R
SET
R
IMON
POR
B0438-03
+
VCC
Summing
Point
GATE
0~60 A
11 mA
30 A
+
60 mV
1-shot
2.22 V
UVLO
1.5 V
Fault Logic
Charge
Pump
SENSE
R
GATE
2.32 V
675 mV
OUT
V
IN
Servo
Amplifier
Fast
Comparator
PGb
14 s
TSD
DC
PG
Comparator
Main Opamp in Inrush
Limit Becomes Comparator
After Inrush Limit Complete
2 ms
10 A
+
VCC
6 V
Gate
Comparator
20 k
TIMER
Inrush
Latch
240 mV
GND
M
1
C
T
DC
S
R
Q
+
170 mV
+
R
SENSE
+
1.3 V
1.35 V
+
2
EN
8
3
5
1
4
7
6
SLVSAL3B
– MARCH 2011 – REVISED MAY 2011
FUNCTIONAL BLOCK DIAGRAM
Figure 4. Block Diagram of the TPS24700/1
PIN FUNCTIONS
NAME
TPS24700/1
I/O
DESCRIPTION
EN
2
I
Active-high enable input. Logic input. Connects to resistor divider
GATE
6
O
Gate driver output for external MOSFET
GND
4
Ground
OUT
5
I
Output voltage sensor for monitoring MOSFET power
PGb
1
O
Active-low, open-drain power good indicator. Status is determined by the voltage across the MOSFET.
SENSE
7
I
Current sensing input for resistor shunt from VCC to SENSE
TIMER
3
I/O
A capacitor connected from this pin to GND provides a fault timing function.
VCC
8
I
Input-voltage sense and power supply
Copyright
2011, Texas Instruments Incorporated
5
Product Folder Link(s): TPS24700 TPS24701
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