SNVSBI5A
July 2019 – September 2019
TPS3870-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Integrated Overvoltage Detection
Typical Overvoltage Accuracy Distribution
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin 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
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 Application
9.2.1
Design 1: RESET Latch Mode
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
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 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
snvsbi5a_oa
snvsbi5a_pm
1
Features
Qualified for automotive applications
AEC-Q100 qualified with the following results:
Device temperature grade 1: –40°C to +125°C ambient operating temperature
Device HBM ESD classification level 2
Device CDM ESD classification level C7B
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 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
User adjustable voltage threshold levels
Internal glitch immunity and hysteresis
Tolerance available from 3% to 7% in 1% steps
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 OV monitor
RESET
voltage latching output mode