SLVSG22B
January 2023 – March 2024
DRV8145-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Pin Configuration and Functions
5.1
HW Variant
5.1.1
VQFN-HR(16) package
5.2
SPI Variant
5.2.1
HTSSOP (28) package
5.2.2
VQFN-HR(16) package
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.5.1
Power Supply & Initialization
6.5.2
Logic I/Os
6.5.3
SPI I/Os
6.5.4
Configuration Pins - HW Variant Only
6.5.5
Power FET Parameters
6.5.6
Switching Parameters with High-Side Recirculation
6.5.7
Switching Parameters with Low-Side Recirculation
6.5.8
IPROPI & ITRIP Regulation
6.5.9
Over Current Protection (OCP)
6.5.10
Over Temperature Protection (TSD)
6.5.11
Voltage Monitoring
6.5.12
Load Monitoring
6.5.13
Fault Retry Setting
6.5.14
Transient Thermal Impedance & Current Capability
6.6
SPI Timing Requirements
6.7
Switching Waveforms
6.7.1
Output switching transients
6.7.1.1
High-Side Recirculation
6.7.1.2
Low-Side Recirculation
6.7.2
Wake-up Transients
6.7.2.1
HW Variant
6.7.2.2
SPI Variant
6.7.3
Fault Reaction Transients
6.7.3.1
Retry setting
6.7.3.2
Latch setting
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.2.1
HW Variant
7.2.2
SPI Variant
7.3
Feature Description
7.3.1
External Components
7.3.1.1
HW Variant
7.3.1.2
SPI Variant
7.3.2
Bridge Control
7.3.2.1
Register - Pin Control - SPI Variant Only
7.3.3
Device Configuration
7.3.3.1
Slew Rate (SR)
7.3.3.2
IPROPI
7.3.3.3
ITRIP Regulation
7.3.3.4
DIAG
7.3.3.4.1
HW variant
7.3.3.4.2
SPI variant
7.3.4
Protection and Diagnostics
7.3.4.1
Over Current Protection (OCP)
7.3.4.2
Over Temperature Protection (TSD)
7.3.4.3
Off-State Diagnostics (OLP)
7.3.4.4
On-State Diagnostics (OLA) - SPI Variant Only
7.3.4.5
VM Over Voltage Monitor
7.3.4.6
VM Under Voltage Monitor
7.3.4.7
Charge pump under voltage monitor
7.3.4.8
Power On Reset (POR)
7.3.4.9
Event Priority
7.4
Programming - SPI Variant Only
7.4.1
SPI Interface
7.4.2
Standard Frame
7.4.3
SPI Interface for Multiple Peripherals
7.4.3.1
Daisy Chain Frame for Multiple Peripherals
8
Register Map - SPI Variant Only
8.1
User Registers
9
Application and Implementation
9.1
Application Information
9.1.1
Load Summary
9.2
Typical Application
9.2.1
HW Variant
9.2.2
SPI Variant
9.3
Power Supply Recommendations
9.3.1
Bulk Capacitance Sizing
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Community Resources
10.4
Trademarks
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PWP|28
MPDS373B
RXZ|16
MPQF600C
Thermal pad, mechanical data (Package|Pins)
PWP|28
PPTD368
Orderable Information
slvsg22b_oa
Data Sheet
DRV8145-Q1
Automotive
Half Bridge
Driver with Integrated Current Sense and Diagnostics