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EN 30
8.
TPM9.2L LA
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
10-3-1 System Power 1
Block diagram
VSENSE
SS/TR
COMP
Pinning information
QFN16
RTE PACKAGE
(TOP VIEW)
2012-Mar-30
IC Data Sheets
B12, TPS54319RTER (IC U703)
PWRGD
EN
Shutdown
93%
Logic
107%
Voltage
Reference
Minimum
COMP Clamp
ERROR
AMPLIFIER
Shutdown
Logic
Maximum
Overload
Clamp
Recovery
AGND
POWERPAD
16
1
VIN
VIN
2
GND
3
4
GND
5
Figure 8-1 Internal block diagram and pin configuration
i
i
hys
1
Thermal
Shutdown
Enable
Comparator
Shutdown
Shutdown
Logic
Enable
Threshold
PWM
Comparator
Logic and PWM
Latch
Slope
Compensation
Frequency
Shift
Oscillator
with PLL
RT/CLK
15
14
13
12
PH
11
PH
PowerPAD
(17)
PH
10
9
SS/TR
6
7
8
back to
div. table
VIN
UVLO
Boot
Charge
Boot
Current
UVLO
Sense
BOOT
PH
GND
TPS54319
19080_310_110408.eps
120102
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