SBVS344D
November 2018 – March 2021
TPS3703-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements
7.7
Timing Diagrams
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
VDD
8.3.2
SENSE
8.3.3
RESET
8.3.4
Capacitor Time (CT)
8.3.5
Manual Reset ( MR)
8.4
Device Functional Modes
8.4.1
Normal Operation (VDD > VDD(MIN))
8.4.2
Undervoltage Lockout (VPOR < VDD < UVLO)
8.4.3
Power-On Reset (VDD < VPOR)
9
Application and Implementation
9.1
Application Information
9.1.1
Voltage Threshold Accuracy
9.1.2
CT Reset Time Delay
9.1.2.1
Factory-Programmed Reset Delay Timing
9.1.2.2
Programmable Reset Delay-Timing
9.1.3
RESET Latch Mode
9.1.4
Adjustable Voltage Thresholds
9.1.5
Immunity to SENSE Pin Voltage Transients
9.1.5.1
Hysteresis
9.2
Typical Applications
9.2.1
Design 1: Multi-Rail Window Monitoring for Microcontroller Power Rails
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curves
9.2.2
Design 2: RESET Latch Mode
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curves
10
Power Supply Recommendations
10.1
Power Supply Guidelines
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Device Nomenclature
12.2
Documentation Support
12.2.1
Evaluation Module
12.3
Receiving Notification of Documentation Updates
12.4
Support Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DSE|6
MPDS287A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbvs344d_oa
sbvs344d_pm
1
Features
AEC-Q100 qualified for automotive applications:
Temperature grade 1: –40°C to +125°C, T
A
Device HBM ESD classification level 2
Device CDM ESD classification level C7B
Functional Safety-Capable
Documentation available to aid functional safety system design
Input voltage range: 1.7 V to 5.5 V
Undervoltage lockout (UVLO): 1.7 V
Low quiescent current: 7 µA (Max)
High threshold accuracy:
± 0.25% (typical)
± 0.7% (–40°C to +125°C)
Fixed window threshold levels
50-mV steps from 500 mV to 1.3 V
1.5 V, 1.8 V, 2.5 V, 2.8 V, 2.9 V 3.3 V, 5 V
Available in UV threshold only
Window tolerance available from ±3% to ±7%
User adjustable voltage threshold levels
Internal glitch immunity and hysteresis
Fixed time delay options: 50 µs, 1 ms, 5 ms, 10 ms, 20 ms, 100 ms, 200 ms
Programmable time delay option with a single external capacitor
Open-drain active low UV and OV monitor
RESET
voltage latching output mode