SNVSBJ2
April 2022
TPS38
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
Input Voltage (VDD)
8.3.1.1
Undervoltage Lockout (VPOR < VDD < UVLO)
8.3.1.2
Power-On Reset (VDD < VPOR )
8.3.2
SENSE
8.3.2.1
SENSE Hysteresis
8.3.3
Output Logic Configurations
8.3.3.1
Open-Drain
8.3.3.2
Push-Pull
8.3.3.3
Active-High (RESET)
8.3.3.4
Active-Low (RESET)
8.3.4
User-Programmable Reset Time Delay
8.3.4.1
Reset Time Delay Configuration
8.3.5
User-Programmable Sense Delay
8.3.5.1
Sense Time Delay Configuration
8.3.6
Manual RESET (CTR1 / MR) and (CTR2 / MR) Input
8.3.7
Adjustable Voltage Thresholds
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
High Voltage – Fast AC Signal Monitoring For Power Fault Detection
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 Dissipation and Device Operation
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Creepage Distance
12
Device and Documentation Support
12.1
Device Nomenclature
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DSK|10
MPDS326A
Thermal pad, mechanical data (Package|Pins)
DSK|10
QFND148E
Orderable Information
SNVSBJ2_pm
snvsbj2_oa
1
Features
Functional Safety-Capable
Documentation available to aid functional safety system design
Wide supply voltage range: 2.7 V to 65 V
SENSE and RESET pins are 65 V graded
Low quiescent current: 1 μA (typical)
Flexible and wide voltage threshold options
Table 12-1
2.7 V to 36 V (1.5% maximum accuracy)
800 mV option (1% maximum accuracy)
Built-in hysteresis (V
HYS
)
Percentage options: 2% to 13% (1% steps)
Fixed options: V
TH
< 8 V = 0.5 V, 1 V, 1.5 V,
2 V, 2.5 V
Programmable reset time delay
10 nF = 12.8 ms, 10 μF = 12.8 s
Programmable sense time delay
10 nF = 1.28 ms, 10 μF = 1.28 s
Manual Reset (
MR)
feature
Output reset latching feature
Output topology:
Channel 1: Open-Drain or Push-Pull
Channel 2: Open-Drain