TPS386000-Q1

SENSE1

RESET1

RST

SENSE2

RESET2

Microprocessor

SENSE3

RESET3

DSP

FPGA

SENSE4L

RESET4

SENSE4H

VREF

WDO

WDI

GPIO

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

TPS386000-Q1

SBVS149B – SEPTEMBER 2010 – REVISED JANUARY 2016

TPS386000-Q1 Quad Supply Voltage Supervisors

With Programmable Delay and Watchdog Timer

1 Features

3 Description

The TPS386000-Q1 family of voltage supervisors can

1

•

Qualified for Automotive Applications

monitor four power rails that are greater than 0.4 V

•

AEC Q100 Test Guidance With the Following

and one power rail less than 0.4 V (including negative

Results:

voltage) with a 0.25% (typical) threshold accuracy.

–

Device Temperature Grade 1: –40°C to 125°C

Each of the four supervisory circuits (SVS-n) assert a

RESETn

or

RESETn

output

signal

when

the

Ambient Operating Temperature Range

SENSEm input voltage drops below the programmed

–

Device HBM ESD Classification Level H2

threshold. With external resistors, the threshold of

–

Device CDM ESD Classification Level C4B

each SVS-n can be programmed (where n = 1, 2, 3,

•

Four Complete SVS Modules on one Silicon

4 and m = 1, 2, 3, 4L, 4H).

Platform

Each SVS-n has a programmable delay before

•

Programmable Delay Time: 1.4 ms to 10 s

releasing RESETn or RESETn. The delay time can

be set from 1.4 ms to 10 s through the CTn pin

•

Very Low Quiescent Current: 12

μA Typical

connection. Only SVS-1 has an active-low manual

•

Threshold Accuracy: 0.25% Typical

reset (MR) input; a logic-low input to MR asserts

•

SVS-1: Manual Reset (MR) Input

RESET1 or RESET1.

•

SVS-1, 2, 3: Adjustable Threshold Down to 0.4 V

SVS-4 monitors the threshold window using two

•

SVS-4:

comparators.

The

extra

comparator

can

be

configured as a fifth SVS to monitor negative voltage

–

Adjustable Threshold at Any Positive or

with voltage reference output VREF.

Negative Voltage with VREF (1.2 V)

–

Window Comparator

The TPS386000-Q1 device has a very low quiescent

current of 12

μA (typical) and is available in a small,

•

Watchdog Timer with Dedicated Output

4-mm x 4-mm, VQFN-20 package.

•

Well-Controlled RESETn Output During Power-Up

•

Open-Drain RESETn and WDO

Device Information(1)

•

Package: 4-mm x 4-mm, 20-pin VQFN

PART NUMBER

PACKAGE

BODY SIZE (NOM)

TPS38600-Q1

VQFN (20)

4.00 mm × 4.00 mm

2 Applications

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

•

Automotive

•

ADAS

–

Front Camera, Surround View, Long-Range

Radar, and Short-Range Radar

TPS386000-Q1 Typical Application Circuit

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.