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TPS3808E

Name: TPS3808E
Brand: TI
SKU: TPS3808E
Price: 0.541 USD

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Datenblatt

document-pdfAcrobat TPS3808E Low-Quiescent-Current, Programmable-Delay Supervisory Circuit datasheet (Rev. B) (Englisch) PDF | HTML

TPS3808E

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Datenblatt

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Produktdetails

Number of supplies monitored

1

Threshold voltage 1 (typ) (V)

1.67, 3.08, Adjustable

Features

Manual reset capable, Reset time delay, Separate VDD & sense, Undervoltage monitor only

Iq (typ) (mA)

0.0006

Output driver type/reset output

Active-low, Open-drain

Supply voltage (min) (V)

1.7

Supply voltage (max) (V)

6.5

Rating

Catalog

Watchdog timer WDI (s)

None

Operating temperature range (°C)

-40 to 125

Number of supplies monitored

1

Threshold voltage 1 (typ) (V)

1.67, 3.08, Adjustable

Features

Manual reset capable, Reset time delay, Separate VDD & sense, Undervoltage monitor only

Iq (typ) (mA)

0.0006

Output driver type/reset output

Active-low, Open-drain

Supply voltage (min) (V)

1.7

Supply voltage (max) (V)

6.5

Rating

Catalog

Watchdog timer WDI (s)

None

Operating temperature range (°C)

-40 to 125

SOT-23 (DBV)

6

8.12 mm² 2.9 x 2.8

Undervoltage monitoring for power rails
- Reliable monitoring with high threshold accuracy (1% typical)
- Fixed voltage threshold options from 0.9V to 5V
- Adjustable voltage option available (0.405)
- Separate Sense pin for monitoring and VDD pin for power
- Device temperature grade 1: -40°C to +125°C
Miniature solution with ultra-low power consumption
- 0.6µA typical quiescent current
- Compact 6-pin SOT-23 package (2.99mm x 1.6mm)
Highly configurable reset time delay to prevent unsafe power on
- Adjustable from 1.25ms to 10s
Separate Manual Reset Input (MR) to assert RESET output on demand

Undervoltage monitoring for power rails
- Reliable monitoring with high threshold accuracy (1% typical)
- Fixed voltage threshold options from 0.9V to 5V
- Adjustable voltage option available (0.405)
- Separate Sense pin for monitoring and VDD pin for power
- Device temperature grade 1: -40°C to +125°C
Miniature solution with ultra-low power consumption
- 0.6µA typical quiescent current
- Compact 6-pin SOT-23 package (2.99mm x 1.6mm)
Highly configurable reset time delay to prevent unsafe power on
- Adjustable from 1.25ms to 10s
Separate Manual Reset Input (MR) to assert RESET output on demand

The TPS3808E family of microprocessor supervisory circuits monitors system voltages from 0.4V to 5V, asserting an open-drain RESET signal when the SENSE voltage drops below a preset threshold or when the manual reset (MR) pin drops to a logic low. The RESET output remains low for the user-adjustable delay time after the SENSE voltage and manual reset (MR) return above the respective thresholds.

The TPS3808E device uses a precision reference to achieve 0.5% threshold accuracy. The reset delay time can be set to 20ms by disconnecting the CT pin, 300ms by connecting the CT pin to VDD using a resistor, or can be user-adjusted between 1.25ms and 10s by connecting the CT pin to an external capacitor. The TPS3808E device has a very low typical quiescent current of 0.6µA, and is designed for battery-powered applications. The TPS3808E is available in the SOT-23 (6) , and is fully specified over a temperature range of –40°C to 125°C (TJ).

The TPS3808E family of microprocessor supervisory circuits monitors system voltages from 0.4V to 5V, asserting an open-drain RESET signal when the SENSE voltage drops below a preset threshold or when the manual reset (MR) pin drops to a logic low. The RESET output remains low for the user-adjustable delay time after the SENSE voltage and manual reset (MR) return above the respective thresholds.

The TPS3808E device uses a precision reference to achieve 0.5% threshold accuracy. The reset delay time can be set to 20ms by disconnecting the CT pin, 300ms by connecting the CT pin to VDD using a resistor, or can be user-adjusted between 1.25ms and 10s by connecting the CT pin to an external capacitor. The TPS3808E device has a very low typical quiescent current of 0.6µA, and is designed for battery-powered applications. The TPS3808E is available in the SOT-23 (6) , and is fully specified over a temperature range of –40°C to 125°C (TJ).

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Alle anzeigen 3

	Typ	Titel		Datum
*	Data sheet	TPS3808E Low-Quiescent-Current, Programmable-Delay Supervisory Circuit datasheet (Rev. B)	PDF \| HTML	16 Jan 2024
	Functional safety information	TPS3808E Functional Safety FIT Rate, Failure Mode Distribution	PDF \| HTML	13 Mär 2024
	Application brief	Using Voltage Supervisors in High Voltage Applications (Rev. B)	PDF \| HTML	20 Feb 2023

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TPS3808E

Überwachungsbaustein mit extrem niedrigem Ruhestrom (600 nA), mit programmierbarer Verzögerung und m

TPS3808E

Produktdetails

Technische Dokumentation

Design und Entwicklung

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