
IC Data Sheets
8.
8.
IC Data Sheets
This chapter shows the internal block diagrams and pin
configurations of ICs that are drawn as “black boxes” in the
electrical diagrams (with the exception of “memory” and “logic”
ICs).
8.1
Diagram
B01, TPS54319RTER (IC U7004)
Figure 8-1 Internal block diagram and pin configuration
19240_303_120221.eps
120501
Block diagram
Pinning information
PWRGD
BOO
T
PH
R
T/CLK
EN
A
GND
VIN
V
S
EN
S
E
COMP
15
14
13
GND
12
11
10
9
8
7
6
5
16
GND
VIN
VIN
PH
PH
1
2
3
4
SS/TR
TPS54319
ERROR
AMPLIFIER
Boot
Charge
Boot
UVLO
UVLO
Current
Sense
Oscillator
with PLL
Frequency
Shift
Slope
Compensation
PWM
Comparator
Minimum
COMP Clamp
Maximum
Clamp
Voltage
Reference
Overload
Recovery
VSENSE
SS/TR
COMP
RT/CLK
PH
BOOT
VIN
AGND
Thermal
Shutdown
EN
Enable
Comparator
Shutdown
Logic
Shutdown
Enable
Threshold
Logic
Shutdown
PWRGD
POWERPAD
GND
Logic
Shutdown
107%
93%
Logic and PWM
Latch
i
1
i
hys
TPS54319