SLVSD73B December   2015  – March 2018 TPS4H000-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Application Schematic
      2.      Driving a Capacitive Load With Adjustable Current Limit
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Switching Characteristics
    7. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Pin Current and Voltage Conventions
      2. 8.3.2 Accurate Current Sense
      3. 8.3.3 Adjustable Current Limit
      4. 8.3.4 Inductive-Load Switching-Off Clamp
      5. 8.3.5 Fault Detection and Reporting
        1. 8.3.5.1 Diagnostic Enable Function
        2. 8.3.5.2 Multiplexing of Current Sense
        3. 8.3.5.3 Fault Table
        4. 8.3.5.4 STx and FAULT Reporting
      6. 8.3.6 Full Diagnostics
        1. 8.3.6.1 Short-to-GND and Overload Detection
        2. 8.3.6.2 Open-Load Detection
          1. 8.3.6.2.1 Channel On
          2. 8.3.6.2.2 Channel Off
        3. 8.3.6.3 Short-to-Battery Detection
        4. 8.3.6.4 Reverse Polarity Detection
        5. 8.3.6.5 Thermal Fault Detection
          1. 8.3.6.5.1 Thermal Shutdown
      7. 8.3.7 Full Protections
        1. 8.3.7.1 UVLO Protection
        2. 8.3.7.2 Loss-of-GND Protection
        3. 8.3.7.3 Protection for Loss of Power Supply
        4. 8.3.7.4 Reverse-Current Protection
        5. 8.3.7.5 MCU I/O Protection
    4. 8.4 Device Functional Modes
      1. 8.4.1 Working Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Examples
      1. 11.2.1 Without a GND Network
      2. 11.2.2 With a GND Network
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Community Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6 Pin Configuration and Functions

PWP PowerPAD™ Package
20-Pin HTSSOP With Exposed Thermal Pad
TPS4H000-Q1 Version A Top View
NC – No internal connection
PWP PowerPAD Package
20-Pin HTSSOP With Exposed Thermal Pad
TPS4H000-Q1 Version B Top View
NC – No internal connection

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
VERSION A VERSION B
CL 9 9 O Adjustable current limit. Connect to device GND if external current limit is not used.
CS — 8 O Current-sense output
DIAG_EN 11 11 I Enable-disable pin for diagnostics; internal pulldown
FAULT — 7 O Global fault report with open-drain structure, ORed logic for quad-channel fault conditions
GND 10 10 — Ground pin
IN1 1 1 I Input control for channel 1 activation; internal pulldown
IN2 2 2 I Input control for channel 2 activation; internal pulldown
IN3 3 3 I Input control for channel 3 activation; internal pulldown
IN4 4 4 I Input control for channel 4 activation; internal pulldown
NC 13, 14 13, 14 — No internal connection
ST1 5 — O Open-drain diagnostic status output for channel 1
ST2 6 — O Open-drain diagnostic status output for channel 2
ST3 7 — O Open-drain diagnostic status output for channel 3
ST4 8 — O Open-drain diagnostic status output for channel 4
SEH — 5 I CS channel-selection bit; internal pulldown
SEL — 6 I CS channel-selection bit; internal pulldown
THER 12 12 I Thermal shutdown behavior control, latch off or auto-retry; internal pulldown
OUT1 20 20 O Output of the channel 1 high side-switch, connected to the load
OUT2 19 19 O Output of the channel 2 high side-switch, connected to the load
OUT3 16 16 O Output of the channel 3 high side-switch, connected to the load
OUT4 15 15 O Output of the channel 4 high side-switch, connected to the load
VS 17, 18 17, 18 I Power supply
Thermal pad — — — Connect to device GND or leave floating