TPS3820-xx-Q1, TPS3823-xx-Q1, TPS3824-xx-Q1, TPS3825-xx-Q1, TPS3828-xx-Q1
PROCESSOR SUPERVISORY CIRCUITS
ꢀ
ꢀ
SGLS143B − DECEMBER 2002 − REVISED JUNE 2008
TPS3820, TPS3823, TPS3828 . . . DBV PACKAGE
FEATURES
(TOP VIEW)
D
Qualified for Automotive Applications
1
2
3
5
V
DD
RESET
GND
D
D
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Using Human
Body Model (C = 100 pF, R = 1500 Ω)
Power-On Reset Generator With Fixed
Delay Time of 200 ms (TPS3823/4/5/8)
or 25 ms (TPS3820)
4
WDI
MR
TPS3824 . . . DBV PACKAGE
(TOP VIEW)
D
D
Manual Reset Input (TPS3820/3/5/8)
Reset Output Available in Active-Low
(TPS3820/3/4/5), Active-High (TPS3824) and
Open-Drain (TPS3828)
1
2
3
5
V
DD
RESET
GND
D
Supply Voltage Supervision Range
2.5 V, 3 V, 3.3 V, 5 V
4
WDI
RESET
D
D
D
Watchdog Timer (TPS3820/3/4/8)
Supply Current of 15 μA (Typ)
SOT23-5 Package
TPS3825 . . . DBV PACKAGE
(TOP VIEW)
1
2
3
5
V
DD
RESET
GND
APPLICATIONS
D
Applications Using Automotive DSPs,
Microcontrollers, or Microprocessors
4
MR
RESET
D
D
D
D
D
D
Industrial Equipment
Programmable Controls
Automotive Systems
typical application
3.3 V
Battery-Powered Equipment
Intelligent Instruments
100 nF
V
DD
V
DD
Wireless Communications Systems
RESET
RESET
TPS3823-33
MR WDI
MSP430C325
I/O
GND
GND
description
The TPS382x family of supervisors provides circuit initialization and timing supervision, primarily for DSP and
processor-based systems.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright © 2008 Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
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