Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsPMICsPMIC - system monitor Reset/power-on reset SOT 23 5

TPS3820-xx-Q1, TPS3823-xx-Q1, TPS3824-xx-Q1, TPS3825-xx-Q1, TPS3828-xx-Q1

PROCESSOR SUPERVISORY CIRCUITS



SGLS143B − DECEMBER 2002 − REVISED JUNE 2008

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

FEATURES

D Qualified for Automotive Applications

D ESD Protection Exceeds 2000 V Per

MIL-STD-883, Method 3015; Using Human

Body Model (C = 100 pF, R = 1500 Ω)

D Power-On Reset Generator With Fixed

Delay Time of 200 ms (TPS3823/4/5/8)

or 25 ms (TPS3820)

D Manual Reset Input (TPS3820/3/5/8)

D Reset Output Available in Active-Low

(TPS3820/3/4/5), Active-High (TPS3824) and

Open-Drain (TPS3828)

D Supply Voltage Supervision Range

2.5 V, 3 V, 3.3 V, 5 V

D Watchdog Timer (TPS3820/3/4/8)

D Supply Current of 15 μA (Typ)

D SOT23-5 Package

APPLICATIONS

D Applications Using Automotive DSPs,

Microcontrollers, or Microprocessors

D Industrial Equipment

D Programmable Controls

D Automotive Systems

D Battery-Powered Equipment

D Intelligent Instruments

D Wireless Communications Systems

description

The TPS382x family of supervisors provides circuit initialization and timing supervision, primarily for DSP and

processor-based systems.

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.

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.

TPS3820, TPS3823, TPS3828 . . . DBV PACKAGE

(TOP VIEW)

RESET

GND

WDI

TPS3825 . . . DBV PACKAGE

(TOP VIEW)

RESET

GND

RESET

TPS3824 . . . DBV PACKAGE

(TOP VIEW)

RESET

GND

RESET

WDI

RESET

MR WDI

100 nF

GND

TPS3823-33

RESET

I/O

GND

MSP430C325

3.3 V

typical application

Summary of content (18 pages)

PAGE 1
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 . . .
PAGE 2
TPS3820-xx-Q1, TPS3823-xx-Q1, TPS3824-xx-Q1, TPS3825-xx-Q1, TPS3828-xx-Q1 PROCESSOR SUPERVISORY CIRCUITS SGLS143B − DECEMBER 2002 − REVISED JUNE 2008 description (continued) During power-on, RESET is asserted when supply voltage VDD becomes higher than 1.1 V. Thereafter, the supply voltage supervisor monitors VDD and keeps RESET active as long as VDD remains below the threshold voltage VIT−. An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset.
PAGE 3
TPS3820-xx-Q1, TPS3823-xx-Q1, TPS3824-xx-Q1, TPS3825-xx-Q1, TPS3828-xx-Q1 PROCESSOR SUPERVISORY CIRCUITS SGLS143B − DECEMBER 2002 − REVISED JUNE 2008 PACKAGE INFORMATION{} DEVICE NAME THRESHOLD VOLTAGE MARKING TPS3820-33QDBVRQ1§ 2.93 V PDEQ TPS3820-50QDBVRQ1§ 4.55 V PDDQ TPS3823-25QDBVRQ1§ 2.25 V PAPQ TPS3823-30QDBVRQ1§ 2.63 V PAQQ TPS3823-33QDBVRQ1§ 2.93 V PARQ TPS3823-50QDBVRQ1§ 4.55 V PASQ TPS3824-25QDBVRQ1§ 2.25 V PATQ TPS3824-30QDBVRQ1§ 2.
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TPS3820-xx-Q1, TPS3823-xx-Q1, TPS3824-xx-Q1, TPS3825-xx-Q1, TPS3828-xx-Q1 PROCESSOR SUPERVISORY CIRCUITS SGLS143B − DECEMBER 2002 − REVISED JUNE 2008 functional block diagram VDD Watchdog Timer Logic Reset† Reset Logic Reset 52 kΩ + _ MR‡ 40 kΩ Vref Transition Detector WDI †TPS3824/5 ‡TPS3820/3/5/8 timing diagram VDD VIT 1.
PAGE 5
TPS3820-xx-Q1, TPS3823-xx-Q1, TPS3824-xx-Q1, TPS3825-xx-Q1, TPS3828-xx-Q1 PROCESSOR SUPERVISORY CIRCUITS SGLS143B − DECEMBER 2002 − REVISED JUNE 2008 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage, VDD (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 V RESET, RESET, MR, WDI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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TPS3820-xx-Q1, TPS3823-xx-Q1, TPS3824-xx-Q1, TPS3825-xx-Q1, TPS3828-xx-Q1 PROCESSOR SUPERVISORY CIRCUITS SGLS143B − DECEMBER 2002 − REVISED JUNE 2008 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS RESET VOH High-level output voltage TPS382x-25 VDD = VIT− + 0.2 V IOH = −20 μA TPS382x-30 TPS382x-33 VDD = VIT− + 0.2 V IOH = −30 μA TPS382x-50 VDD = VIT− + 0.2 V IOH = −120 μA TPS3824-25 TPS3825-25 VDD ≥ 1.
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TPS3820-xx-Q1, TPS3823-xx-Q1, TPS3824-xx-Q1, TPS3825-xx-Q1, TPS3828-xx-Q1 PROCESSOR SUPERVISORY CIRCUITS SGLS143B − DECEMBER 2002 − REVISED JUNE 2008 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued) PARAMETER IIH(AV) TEST CONDITIONS IIH High-level input current IIL Low level input current Low-level MAX UNIT μA 120 WDI = 0.3 V, VDD = 5.5 V time average (dc = 12%) −15 WDI WDI = VDD 140 190 MR MR = VDD × 0.7, VDD = 5.
PAGE 8
TPS3820-xx-Q1, TPS3823-xx-Q1, TPS3824-xx-Q1, TPS3825-xx-Q1, TPS3828-xx-Q1 PROCESSOR SUPERVISORY CIRCUITS SGLS143B − DECEMBER 2002 − REVISED JUNE 2008 NORMALIZED INPUT THRESHOLD VOLTAGE vs FREE-AIR TEMPERATURE AT VDD SUPPLY CURRENT vs SUPPLY VOLTAGE 1.001 19 MR = Open WDI = Open TA = 25°C 17 1 15 I DD− Supply Current − μ A Normalized Input Threshold Voltage − VIT (TA), VIT (25 °C) TYPICAL CHARACTERISTICS 0.999 0.998 0.997 13 TPS382x-33 11 9 7 5 3 0.996 1 0.995 −40 −15 10 60 35 −1 −0.
PAGE 9
TPS3820-xx-Q1, TPS3823-xx-Q1, TPS3824-xx-Q1, TPS3825-xx-Q1, TPS3828-xx-Q1 PROCESSOR SUPERVISORY CIRCUITS SGLS143B − DECEMBER 2002 − REVISED JUNE 2008 TYPICAL CHARACTERISTICS HIGH-LEVEL OUTPUT VOLTAGE vs HIGH-LEVEL OUTPUT CURRENT HIGH-LEVEL OUTPUT VOLTAGE vs HIGH-LEVEL OUTPUT CURRENT 6 3 VOH − High-Level Output Voltage − V VDD = 3.2 V WDI = Open MR = Open 2.5 −40°C 2 1.5 85°C 1 0.5 0 0 −50 −100 −150 −200 VDD = 5.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.com 26-Aug-2013 (5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Device Marking for that device. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided.
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PACKAGE MATERIALS INFORMATION www.ti.com 12-Aug-2013 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) 2T25-50QFRG4Q1 SOT-23 DBV 5 3000 180.0 9.0 2T28-33QDBVRG4Q1 B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant 3.15 3.2 1.4 4.0 8.0 Q3 SOT-23 DBV 5 3000 180.0 9.0 3.15 3.2 1.4 4.0 8.0 Q3 2U3820-50QDBVRG4Q1 SOT-23 DBV 5 3000 180.0 9.0 3.15 3.2 1.4 4.0 8.
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PACKAGE MATERIALS INFORMATION www.ti.com 12-Aug-2013 Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) TPS3824-30QDBVRQ1 SOT-23 DBV 5 3000 180.0 9.0 TPS3824-33QDBVRQ1 SOT-23 DBV 5 3000 180.0 9.0 TPS3824-50QDBVRQ1 SOT-23 DBV 5 3000 180.0 TPS3825-33QDBVRQ1 SOT-23 DBV 5 3000 180.
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PACKAGE MATERIALS INFORMATION www.ti.com 12-Aug-2013 Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) 2U3825-33QDBVRG4Q1 SOT-23 DBV 5 3000 182.0 182.0 20.0 TPS3820-33QDBVRQ1 SOT-23 DBV 5 3000 182.0 182.0 20.0 TPS3820-50DBVRQ1G4 SOT-23 DBV 5 3000 182.0 182.0 20.0 TPS3820-50QDBVRQ1 SOT-23 DBV 5 3000 182.0 182.0 20.0 TPS3823-25QDBVRQ1 SOT-23 DBV 5 3000 182.0 182.0 20.0 TPS3823-30QDBVRQ1 SOT-23 DBV 5 3000 182.0 182.0 20.
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