TPS3305

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Zweifach-Prozessor-Spannungsüberwacher mit Watchdog-Timer

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Datenblatt

document-pdfAcrobat Dual Processor Supervisors datasheet (Rev. C) (Englisch)

TPS3305

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Number of supplies monitored

2

Threshold voltage 1 (typ) (V)

1.68, 2.25, 2.93, 4.55

Features

Complimentary output, Manual reset capable, Separate VDD & sense, Timeout watchdog, Undervoltage monitor only, Watchdog timer

Reset threshold accuracy (%)

3

Iq (typ) (mA)

0.04

Output driver type/reset output

Active-high, Active-low, Push-Pull

Time delay (ms)

200

Supply voltage (min) (V)

2.7

Supply voltage (max) (V)

6

Rating

Catalog

Watchdog timer WDI (s)

1.6

Operating temperature range (°C)

-40 to 85

Number of supplies monitored

2

Threshold voltage 1 (typ) (V)

1.68, 2.25, 2.93, 4.55

Features

Complimentary output, Manual reset capable, Separate VDD & sense, Timeout watchdog, Undervoltage monitor only, Watchdog timer

Reset threshold accuracy (%)

3

Iq (typ) (mA)

0.04

Output driver type/reset output

Active-high, Active-low, Push-Pull

Time delay (ms)

200

Supply voltage (min) (V)

2.7

Supply voltage (max) (V)

6

Rating

Catalog

Watchdog timer WDI (s)

1.6

Operating temperature range (°C)

-40 to 85

HVSSOP (DGN)

8

14.7 mm² 3 x 4.9

SOIC (D)

8

29.4 mm² 4.9 x 6

Dual Supervisory Circuits for DSP- and Processor-Based Systems
Power-On Reset Generator with Fixed Delay Time of 200ms; no External Capacitor Needed
Watchdog Timer Retriggers the RESET Output at SENSEn ≥ V_IT+
Temperature-Compensated Voltage Reference
Maximum Supply Current of 40µA
Supply Voltage Range: 2.7V to 6V
Defined RESET Output From V_DD ≥ 1.1V
MSOP-8 and SO-8 Packages
Temperature Range: -40°C to +85°C
APPLICATIONS
- Processor Supply Monitoring
- Industrial Equipment
- Automotive Systems
- Portable/Battery-Powered Equipment
- Wireless Communication Systems
- Notebook/Desktop Computers

Dual Supervisory Circuits for DSP- and Processor-Based Systems
Power-On Reset Generator with Fixed Delay Time of 200ms; no External Capacitor Needed
Watchdog Timer Retriggers the RESET Output at SENSEn ≥ V_IT+
Temperature-Compensated Voltage Reference
Maximum Supply Current of 40µA
Supply Voltage Range: 2.7V to 6V
Defined RESET Output From V_DD ≥ 1.1V
MSOP-8 and SO-8 Packages
Temperature Range: -40°C to +85°C
APPLICATIONS
- Processor Supply Monitoring
- Industrial Equipment
- Automotive Systems
- Portable/Battery-Powered Equipment
- Wireless Communication Systems
- Notebook/Desktop Computers

The TPS3305 family is a series of micropower supply voltage supervisors designed for circuit initialization. Its dual monitor topology is well-suited to use in DSP and processor-based systems, which often require two supply voltages, core and I/O.

RESET is asserted when the voltage at either SENSEn pin falls below its threshold voltage, V_IT. When both SENSEn pins are again above their respective threshold voltages, RESET is held low for the factory-programmed delay time (200ms typ). RESET is also asserted if the watchdog input (WDI) is not toggled for more than 1.6s typ.

The TPS3305-xx devices are available in either 8-pin MSOP or SO packages, and are specified for operation over a temperature range of -40°C to +85°C.

The TPS3305 family is a series of micropower supply voltage supervisors designed for circuit initialization. Its dual monitor topology is well-suited to use in DSP and processor-based systems, which often require two supply voltages, core and I/O.

RESET is asserted when the voltage at either SENSEn pin falls below its threshold voltage, V_IT. When both SENSEn pins are again above their respective threshold voltages, RESET is held low for the factory-programmed delay time (200ms typ). RESET is also asserted if the watchdog input (WDI) is not toggled for more than 1.6s typ.

The TPS3305-xx devices are available in either 8-pin MSOP or SO packages, and are specified for operation over a temperature range of -40°C to +85°C.

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Alle anzeigen 4

	Typ	Titel	Datum
*	Data sheet	Dual Processor Supervisors datasheet (Rev. C)	27 Mär 2008
	Selection guide	Voltage Supervisors (Reset ICs) Quick Reference Guide (Rev. H)	28 Feb 2020
	E-book	Voltage Supervisor and Reset ICs: Tips, Tricks and Basics	28 Jun 2019
	Selection guide	Power Management Guide 2018 (Rev. R)	25 Jun 2018

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TPS3305

Zweifach-Prozessor-Spannungsüberwacher mit Watchdog-Timer

TPS3305

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