Datasheet
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
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
=
TPS24710, TPS24711
TPS24712, TPS24713
SLVSAL2E –JANUARY 2011–REVISED NOVEMBER 2013
www.ti.com
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.
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Product Folder Links: TPS24710 TPS24711 TPS24712 TPS24713