SLVSG23C
December 2021 – August 2022
DRV8243-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison
6
Pin Configuration and Functions
6.1
HW Variant
6.1.1
HVSSOP (28) package
6.1.2
VQFN-HR (14) package
6.2
SPI Variant
6.2.1
HVSSOP (28) package
6.2.2
VQFN-HR (14) package
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.5.1
Power Supply & Initialization
7.5.2
Logic I/Os
7.5.3
SPI I/Os
7.5.4
Configuration Pins - HW Variant Only
7.5.5
Power FET Parameters
7.5.6
Switching Parameters with High-Side Recirculation
7.5.7
Switching Parameters with Low-Side Recirculation
7.5.8
IPROPI & ITRIP Regulation
7.5.9
Over Current Protection (OCP)
7.5.10
Over Temperature Protection (TSD)
7.5.11
Voltage Monitoring
7.5.12
Load Monitoring
7.5.13
Fault Retry Setting
7.5.14
Transient Thermal Impedance & Current Capability
7.6
SPI Timing Requirements
7.7
Switching Waveforms
7.7.1
Output switching transients
7.7.1.1
High-Side Recirculation
7.7.1.2
Low-Side Recirculation
7.7.2
Wake-up Transients
7.7.2.1
HW Variant
7.7.2.2
SPI Variant
7.7.3
Fault Reaction Transients
7.7.3.1
Retry setting
7.7.3.2
Latch setting
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.2.1
HW Variant
8.2.2
SPI Variant
8.3
Feature Description
8.3.1
External Components
8.3.1.1
HW Variant
8.3.1.2
SPI Variant
8.3.2
Bridge Control
8.3.2.1
PH/EN mode
8.3.2.2
PWM mode
8.3.2.3
Independent mode
8.3.2.4
Register - Pin Control - SPI Variant Only
8.3.3
Device Configuration
8.3.3.1
Slew Rate (SR)
8.3.3.2
IPROPI
8.3.3.3
ITRIP Regulation
8.3.3.4
DIAG
8.3.3.4.1
HW variant
8.3.3.4.2
SPI variant
8.3.4
Protection and Diagnostics
8.3.4.1
Over Current Protection (OCP)
8.3.4.2
Over Temperature Protection (TSD)
8.3.4.3
Off-State Diagnostics (OLP)
8.3.4.4
On-State Diagnostics (OLA) - SPI Variant Only
8.3.4.5
VM Over Voltage Monitor
8.3.4.6
VM Under Voltage Monitor
8.3.4.7
Power On Reset (POR)
8.3.4.8
Event Priority
8.4
Device Functional States
8.4.1
SLEEP State
8.4.2
STANDBY State
8.4.3
Wake-up to STANDBY State
8.4.4
ACTIVE State
8.4.5
nSLEEP Reset Pulse (HW Variant Only)
8.5
Programming - SPI Variant Only
8.5.1
SPI Interface
8.5.2
Standard Frame
8.5.3
SPI Interface for Multiple Peripherals
8.5.3.1
Daisy Chain Frame for Multiple Peripherals
8.6
Register Map - SPI Variant Only
8.6.1
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
10
Power Supply Recommendations
10.1
Bulk Capacitance Sizing
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RXY|14
MPQF599A
DGQ|28
MPDS584
Thermal pad, mechanical data (Package|Pins)
DGQ|28
PPTD370
Orderable Information
slvsg23c_oa
slvsg23c_pm
1
Features
AEC-Q100 qualified for automotive applications:
Temperature grade 1: –40°C to +125°C, T
A
Functional Safety-Capable
Documentation available to aid functional safety system design
4.5-V to 35-V (40-V abs. max) operating range
VQFN-HR package: R
ON_LS
+ R
ON_HS
: 84 mΩ
HVSSOP package: R
ON_LS
+ R
ON_HS
: 98 mΩ
I
OUT
Max = 12 A
PWM frequency operation up to
25 KHz
with automatic dead time assertion
Configurable slew rate and spread spectrum clocking for low electromagnetic interference (EMI)
Integrated current sense (eliminates shunt resistor)
Proportional load current output on IPROPI pin
Configurable current regulation
Protection and diagnostic features with configurable fault reaction (latched or retry)
Load diagnostics in both the off-state and on-state to detect open load and short circuit
Voltage monitoring on supply (VM)
Over current protection
Over temperature protection
Fault indication on nFAULT pin
Supports 3.3-V, 5-V logic inputs
Low sleep current - 1μA typical at 25°C
3 variants
- HW (H), SPI (S) or SPI (P)
Configurable control modes:
Single full bridge using PWM or PH/EN mode
Two half-bridges using Independent mode
Device family comparison table