SLVSGL4A
September 2023 – May 2026
TPS1HTC30-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
5.1
Recommended Connections for Unused Pins
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
SNS Timing Characteristics
6.7
Switching Characteristics
6.8
Timing Diagrams
6.9
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Accurate Current Sense
8.3.2
Programmable Current Limit
8.3.2.1
Capacitive Charging
8.3.3
Inductive-Load Switching-Off Clamp
8.3.4
Inductive Load Demagnetization
8.3.5
Full Protection and Diagnostics
8.3.5.1
Short-Circuit and Overload Protection
8.3.5.2
Open-Load Detection
8.3.5.3
Thermal Protection Behavior
8.3.5.4
Overvoltage (OVP) Protection
8.3.5.5
UVLO Protection
8.3.5.6
Reverse Polarity Protection
8.3.5.7
Protection for MCU I/Os
8.3.6
Diagnostic Enable Function
8.4
Device Functional Modes
8.4.1
Working Mode
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Dynamically Changing Current Limit
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
9.4.2.1
Without a GND Network
9.4.2.2
With a GND Network
9.4.2.3
Thermal Considerations
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
1
Features
Single-channel smart high-side power switch for 24V and 48V automotive systems with full diagnostics
TPS1HTC30-Q1
: Operating voltage range: 6V to 60V, Overvoltage protection: 66V
TPS1HTC30C-Q1
: Operating voltage range: 6V to 70V, meets
ISO 21780
standard requirements
Low R
ON
: 30mΩ typical, 55mΩ maximum
Low standby current: < 0.5µA
Low quiescent current (Iq): < 2mA
Improve system level reliability through
adjustable current limiting
Current limit: 2A –16A
Accurate current sensing: ±4% at 1A
Protection
Overload and short-circuit protection
Integrated inductive discharge clamp
Undervoltage lockout (UVLO) protection
Loss of GND, loss of supply protection
Reverse battery protection with external components
Diagnostics
On and off state output open-load and short-to-battery detection
Overload and short to ground detection
Absolute and relative thermal shutdown detection
Functional Safety-Capable
Documentation available to aid functional safety system design
Operating junction temperature: –40 to 125°C
Input control: 1.8V, 3.3V and 5V logic compatible
Integrated fault sense voltage scaling for ADC protection
Qualifications
AEC-Q100 qualified for automotive applications
Temperature grade 1: –40°C to +125°C, T
A
14-pin thermally-enhanced TSSOP package