SLVSFI1A
July 2021 – December 2021
TPS1HC100-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
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
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
Full Protections and Diagnostics
8.3.4.1
Short-Circuit and Overload Protection
8.3.4.2
Open-Load and Short-to-Battery Detection
8.3.4.3
Short-to-Battery Detection
8.3.4.4
Reverse-Polarity and Battery Protection
8.3.4.5
Latch-Off Mode
8.3.4.6
Thermal Protection Behavior
8.3.4.7
UVLO Protection
8.3.4.8
Loss of GND Protection
8.3.4.9
Loss of Power Supply Protection
8.3.4.10
Reverse Current Protection
8.3.4.11
Protection for MCU I/Os
8.3.5
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
9.2.2.2
AEC Q100-012 Test Grade A Certification
9.2.2.3
EMC Transient Disturbances Test
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.2.1
Without a GND Network
11.2.2
With a GND Network
11.3
Thermal Considerations
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
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
1
Features
Single-channel smart high-side power switch for 12-V automotive systems with full diagnostics
Open-drain status output
Current sense analog output
Wide operating voltage 3 to 28 V
Low standby current, < 0.5 µA at 85°C
Operating junction temperature, –40 to 150°C
1.8-V, 3.3-V and 5-V logic compatible
Fault sense voltage scaling for ADC protection
Programmable current limit accuracy ±18% at 1.9 A
High-accuracy current sense, ±6% at 1 A
Protection
Overload and short-circuit protection
Inductive load negative voltage clamp
Undervoltage Lockout (UVLO) protection
Thermal shutdown and swing with self recovery
Loss of GND, loss of supply protection
Reverse battery protection with external components
Diagnostic
On- and off-state output open-load and short-to-battery detection
Overload and short to ground detection
Thermal shutdown and swing detection
Qualifications
AEC-Q100 automotive qualified for grade 1 temperature
Functional Safety-Capable
Documentation available to aid functional safety system design
Tested according to AECQ100-12 Grade A,
1 million times short-to-GND test
Electrical transient disturbance immunity certification of ISO7637-2 and ISO16750-2
14-pin thermally-enhanced PWP package