SLVSF24C
december 2020 – may 2023
TPS272C45
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
6.1
Recommended Connections for Unused Pins
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
SNS Timing Characteristics
7.7
Switching Characteristics
7.8
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Programmable Current Limit
9.3.1.1
Inrush Current Handling
9.3.1.2
Calculating RILIMx
9.3.1.3
Configuring ILIMx From an MCU
9.3.2
Low Power Dissipation
9.3.3
Protection Mechanisms
9.3.3.1
Short-Circuit Protection
9.3.3.1.1
VS During Short-to-Ground
9.3.3.2
Inductive Load Demagnetization
9.3.3.3
Thermal Shutdown
9.3.3.4
Undervoltage Lockout on VS (UVLO)
9.3.3.5
Undervoltage Lockout on Low Voltage Supply (VDD_UVLO)
9.3.3.6
Power-Up and Power-Down Behavior
9.3.3.7
Overvoltage Protection (OVPR)
9.3.4
Diagnostic Mechanisms
9.3.4.1
Current Sense
9.3.4.1.1
RSNS Value
9.3.4.1.1.1
Current Sense Output Filter
9.3.4.2
Fault Indication
9.3.4.2.1
Fault Event Diagrams
9.3.4.3
Short-to-Supply or Open-Load Detection
9.3.4.3.1
Detection With Switch Enabled
9.3.4.3.2
Detection With Switch Disabled
9.3.4.4
Current Sense Resistor Sharing
9.4
Device Functional Modes
9.4.1
Off
9.4.2
Diagnostic
9.4.3
Active
9.4.4
Fault
10
Application and Implementation
10.1
Application Information
10.1.1
IEC 61000-4-5 Surge
10.1.2
Inverse Current
10.1.3
Loss of GND
10.1.4
Paralleling Channels
10.1.5
Thermal Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
RILIM Calculation
10.2.2.2
Diagnostics
10.2.2.2.1
Selecting the RISNS Value
10.2.3
Application Curves
10.3
Power Supply Recommendations
10.4
Layout
10.4.1
Layout Guidelines
10.4.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RHF|24
MPQF137H
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsf24c_oa
slvsf24c_pm
1
Features
Low R
DS(on)
(45-mΩ typical) high-side switch for 24-V industrial applications
Wide DC operating voltage range: 6 V to 36 V
Low quiescent current (Iq) of 0.5 mA per channel (typical) from 24-V supply
Fixed (5.8 A) and
adjustable (0.7 A to 4 A with external resistor) current limiting
Drive
inductive, capacitive, and resistive loads
Integrated output clamp to support inductive load discharge
Capacitive load drive minimizing peak inrush current through dual threshold current limiting
Robust output protection
Thermal shutdown
Protection against short to ground events
Configurable fault handling
Enhanced diagnostic feature
Output load current measurement
Open load (off-state) detection
Package: 24-pin QFN (5 mm × 4 mm)
UL 2367 Recognized
File No. 169910
Functional Safety-Capable
Documentation available to aid functional safety system design