SLVSH18
December 2024
TPS4HC120-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
6
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
SNS Timing Characteristics
5.7
Switching Characteristics
5.8
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Pin Current and Voltage Conventions
6.3.2
Low Power Mode
6.3.3
Accurate Current Sense
6.3.4
Adjustable Current Limit
6.3.5
Inductive-Load Switching-Off Clamp
6.3.6
Fault Detection and Reporting
6.3.6.1
Diagnostic Enable Function
6.3.6.2
Multiplexing of Current Sense
6.3.6.3
FAULT Reporting
6.3.6.4
Fault Table
6.3.7
Full Diagnostics
6.3.7.1
Short-to-GND and Overload Detection
6.3.7.2
Open-Load Detection
6.3.7.2.1
Channel On
6.3.7.2.2
Channel Off
6.3.7.3
Short-to-Battery Detection
6.3.7.4
Reverse-Polarity and Battery Protection
6.3.7.5
Thermal Fault Detection
6.3.7.5.1
Thermal Protection Behavior
6.3.8
Full Protections
6.3.8.1
UVLO Protection
6.3.8.2
Loss of GND Protection
6.3.8.3
Loss of Power Supply Protection
6.3.8.4
Reverse Polarity Protection
6.3.8.5
Protection for MCU I/Os
6.4
Device Functional Modes
6.4.1
Working Mode
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.3
Application Curves
7.3
EMC Transient Disturbances Test
7.4
Power Supply Recommendations
7.5
Layout
7.5.1
Layout Guidelines
7.5.2
Layout Examples
7.5.2.1
Without a GND Network
7.5.2.2
With a GND Network
8
Device and Documentation Support
8.1
Receiving Notification of Documentation Updates
8.2
Support Resources
8.3
Trademarks
8.4
Electrostatic Discharge Caution
8.5
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
DGQ|28
MPDS584
サーマルパッド・メカニカル・データ
発注情報
slvsh18_oa
1
Features
Quad-channel 120mΩ automotive smart high-side switch with full diagnostics
Open-drain status output
Current sense analog output
Wide operating voltage 3V to 28V
Low power mode (LPM) with automatic entry and exit
I
Q,LPM
< 20μA/ch with all 4 channels ON and in LPM mode
Ultra-low sleep current, <1μA at 25°C
Selectable current limit, 0.25A to 5A
Protection
Overload and short-circuit protection
Thermal shutdown and swing with self recovery
Inductive load negative voltage clamp
Loss-of-GND, loss-of-battery, and reverse battery protection
Diagnostics
Global fault report for fast interrupt
Overcurrent and short-to-ground detection
Open-load and short-to-battery detection
Qualified for automotive applications
AEC-Q100 qualified with the following results:
Device temperature grade 1: –40°C to 125°C ambient operating temperature range
Electrical transient disturbance immunity certification of ISO7637-2 and ISO16750-2
28-pin thermally-enhanced HVSSOP package