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TPS3808

The Texas Instruments TPS3808 is a low-quiescent-current supervisory circuit that monitors system voltages. It offers programmable delay times and a manual reset input.

✓ Total Stock: 141,250 pcs

$ Price Range: $0.75

TPS3808 Available from 1 distributor

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✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Romaks Technologies ✓ Non-Authorised Inventory information	141,250 pcs On Request	141250 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

TPS3808 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Texas Instruments
Mounting Type	Surface Mount
Operating Temperature Range	-55°C to 125°C
Operating Voltage	0.4 V to 5.0 V
Quiescent Current	2.4 uA

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TPS3808 Description

Short technical summary and product information.

The Texas Instruments TPS3808 is a microprocessor supervisory circuit designed to monitor system voltages ranging from 0.4 V to 5.0 V. It asserts an open-drain RESET signal when the sense voltage drops below a preset threshold or when the manual reset (MR) pin is low. The RESET output remains low for a user-adjustable delay time after the sense voltage and manual reset return above their respective thresholds.

Key electrical specifications include a typical quiescent current of 2.4 μA and a high threshold accuracy of 0.5% typical for VIT ≤ 3.3 V. The reset delay time can be set to 20 ms by disconnecting the CT pin, 300 ms by connecting the CT pin to VDD with a resistor, or adjusted between 1.25 ms and 10 s by using an external capacitor.

This supervisory circuit is suitable for various applications including DSP or microcontroller systems, notebook/desktop computers, PDAs, hand-held products, portable and battery-powered products, and FPGA and ASIC applications. It is fully specified over an extended temperature range of –55°C to 125°C.

The TPS3808 is available in small SOT-23 and WSON packages, making it well-suited for space-constrained designs. The surface-mount package type facilitates integration into automated manufacturing processes.

TPS3808 Quick Information

Product Type: Supervisor IC

Canonical Name: TPS3808 Low-Quiescent-Current, Programmable-Delay Supervisory Circuit

Subcategory: Reset & Watchdog ICs

TPS3808 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

TPS3808 Estimated Pricing

Qty	Low	High
1+	$0.75	$0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

TPS3808 Features

Monitors system voltages from 0.4 V to 5.0 V.
Programmable reset delay time from 1.25 ms to 10 s.
Very low quiescent current of 2.4 μA typical.
High threshold accuracy of 0.5% typical.
Manual reset input and open-drain RESET output.

TPS3808 Applications

Suitable for low-voltage power monitoring.
Used in battery-powered embedded systems.
Ideal for industrial control applications.
Supports automotive temperature environments.
Use in power-on reset circuits.

TPS3808 FAQs

6 frequently asked questions generated from this part’s specifications.

What is the operating voltage range of the TPS3808?

The operating voltage range is 0.4 V to 5.0 V.

What packages are available for the TPS3808?

The TPS3808 is available in SOT-23 and WSON surface-mount packages.

What is the operating temperature range of the TPS3808?

The operating temperature range is -55°C to 125°C.

What is the quiescent current of the TPS3808?

The typical quiescent current is 2.4 uA.

What reset delay options does the TPS3808 support?

Delay is 20 ms typical with CT pin disconnected, 300 ms typical with CT pin connected to VDD via resistor, and adjustable from 1.25 s to 10 s with an external capacitor.

What is the threshold accuracy of the TPS3808?

The threshold accuracy is 0.5% typical for thresholds at or below 3.3V.