Texas Instruments Evaluation Module for TPS24711 Positive Voltage, Power-Limiting Hotswap Controller TPS24711EVM-004 TPS24711EVM-004 Datenbogen
Produktcode
TPS24711EVM-004
R
SET
R
IMON
POR
B0438-02
+
VCC
GATE
0~60 µA
11 mA
30 µA
+
60 mV
1-shot
2.22 V
UVLO
1.5 V
Fault Logic
1.35 V
0.35 V
0.35 V
Charge
Pump
SENSE
R
GATE
PROG
2.32 V
OUT
V
IN
–
Servo
Amplifier
Fast
Comparator
OUT
PGb (PG)
FLTb (FLT)
14 µs
TSD
DC
PG
Comparator
Main Opamp in Inrush
Becomes Comparator
After Inrush Limit
Complete
2 ms
10 µA
10 µA
+
+
–
VCC
5.9 V
Gate
Comparator
20 kΩ
TIMER
Inrush
Latch
240 mV
+
GND
M
1
C
T
DC
S
R
Q
Q
+
170 mV
+
+
R
SENSE
R
PROG
+
+
1.3 V
1.35 V
+
2
EN
3
9
4
6
1
10
5
8
–
–
–
–
–
–
–
–
7
A
B
KpA
, 675 mV
B
Min
æ
ö
ç
÷
è
ø
IMON
SET
R
27
R
=
SLVSAL2E – JANUARY 2011 – REVISED NOVEMBER 2013
FUNCTIONAL BLOCK DIAGRAM
NOTE: Pins 1 and 10 are PG and FLT, respectively, for TPS24712/13
Figure 4. Block Diagram of the TPS24710/11
PIN FUNCTIONS
PINS
NAME
I/O
DESCRIPTION
TPS24710/11 TPS24712/13
EN
2
2
I
Active-high enable input. Logic input. Connects to resistor divider.
FLT
-
10
Active-high, open-drain output indicates overload fault timer has turned MOSFET off.
O
FLTb
10
-
Active-low, open-drain output indicates overload fault timer has turned MOSFET off.
GATE
7
7
O
Gate driver output for external MOSFET
GND
5
5
–
Ground
OUT
6
6
I
Output voltage sensor for monitoring MOSFET power.
6
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