TPS3103XXX_08 Datasheet, PDF (15/23 Pages) Texas Instruments – UltraLow Supply-Current/Supply-Voltage Supervisory Circuits

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2V
TPS3103xxx
TPS3106xxx
TPS3110xxx
SLVS363E – AUGUST 2001 – REVISED SEPTEMBER 2007
V_DD
(1) (1)
V_DD
R1
TPS3103H20
MSP430
Low-Power mC
MR
RESET
RESET
Px.x
PFI
PFO
Py.x
R2
GND
GND
Analog
Circuit
-2 V
V_{(NEG_TH)} = 0.551 V -
R2
R1
(V_DD - 0.551 V)
(1) Resistor may be integrated in mC.
Figure 9. TPS3103 Monitoring a Negative Voltage
3.3 V
1.5 V
V_{(CORE_TH)} = 0.551 V x
R1 + R2
R2
R1
R2
V_DD
TPS3110K33
MR
RESET
SENSE
WDI
GND
V_CORE
V_IO
DSP
RESET
Px.y
GND
GND
Figure 10. TPS3110 in a DSP-System Monitoring Both Supply Voltages
Copyright © 2001–2007, Texas Instruments Incorporated
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