SBAS945B
February 2022 – December 2024
AMC23C14
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Power Ratings
5.6
Insulation Specifications (Reinforced Isolation)
5.7
Safety-Related Certifications
5.8
Safety Limiting Values
5.9
Electrical Characteristics
5.10
Switching Characteristics
5.11
Timing Diagrams
5.12
Insulation Characteristics Curves
5.13
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Analog Input
6.3.2
Reference Input
6.3.3
Isolation Channel Signal Transmission
6.3.4
Open-Drain Digital Outputs
6.3.5
Power-Up and Power-Down Behavior
6.3.6
VDD1 Brownout and Power-Loss Behavior
6.4
Device Functional Modes
7
Application and Implementation
7.1
Application Information
7.2
Typical Applications
7.2.1
Overcurrent and Short-Circuit Current Detection
7.2.1.1
Design Requirements
7.2.1.2
Detailed Design Procedure
7.2.2
Overvoltage and Undervoltage Detection
7.2.2.1
Design Requirements
7.2.2.2
Detailed Design Procedure
7.2.3
Application Curves
7.3
Best Design Practices
7.4
Power Supply Recommendations
7.5
Layout
7.5.1
Layout Guidelines
7.5.2
Layout Example
8
Device and Documentation Support
8.1
Documentation Support
8.1.1
Related Documentation
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DWV|8
MPDS382B
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbas945b_oa
sbas945b_pm
1
Features
Wide high-side supply range: 3V to 27V
Low-side supply range: 2.7V to 5.5V
Dual window comparator:
Window comparator 1: ±20mV to ±300mV adjustable threshold
Window comparator 2: ±300mV fixed threshold
Supports positive-comparator mode:
Cmp0: 600mV to 2.7V adjustable threshold
Cmp2: 300mV fixed threshold
Cmp1 and Cmp3: Disabled
Reference for threshold adjustment: 100μA, ±1%
Trip threshold error: ±1% (max) at 250mV
Open-drain outputs
Propagation delay: 280ns (typ)
High CMTI: 15V/ns (min)
Safety-related certifications:
7000V
PK
reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
5000V
RMS
isolation for 1 minute per UL1577
Fully specified over the extended industrial temperature range: –40°C to +125°C