SLVUC46D March   2021  – November 2023

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
    1. 1.1 Overview
      1. 1.1.1 Purpose and Scope
  5. 2Evaluation Hardware Overview
    1. 2.1 Connections Overview
    2. 2.2 Connection Details
      1. 2.2.1 Common Connectors and Headers Across all EVM Variants
      2. 2.2.2 MCU Reset and User Button
      3. 2.2.3 Communication Interfaces
      4. 2.2.4 Supply Input
      5. 2.2.5 Current Limit Header (RIPROPI)
      6. 2.2.6 Device Signal and Control Header
      7. 2.2.7 Device Signal Test Points
    3. 2.3 LED Indicators
    4. 2.4 Headers and Connectors (Hardware Device Variant)
    5. 2.5 Headers and Connectors (SPI variant)
  6. 3EVM GUI Control Application
    1. 3.1 MSP430 FET Drivers
    2. 3.2 Cloud-based GUI
    3. 3.3 Local Installation
  7. 4EVM GUI Operation
    1. 4.1 Hardware Setup
    2. 4.2 Launching the DRV824x_DRV814x-Q1EVM GUI Application
    3. 4.3 Using the DRV824x_DRV814x-Q1EVM GUI Application
      1. 4.3.1 Register Map Page (SPI Device Variant)
      2. 4.3.2 Driver Control Page (SPI Device Variant)
      3. 4.3.3 Driver Control Page (HW Device Variant)
      4. 4.3.4 Updating Firmware
  8. 5Revision History

2.2 Connection Details

See Table 2-1 for a brief comparison of both the DRV824x-Q1EVM and DRV814x-Q1EVM in the VQFN HotRod™ package. The 28-pin leaded package (HVSSOP or HTSSOP) version of EVM leverages much of the same design and is also covered by this document. From a firmware and GUI perspective, the two package options are interchangeable. The 40x40mm lower-right quadrant of the EVM is modified to the H-bridge and half-bridge devices. The DRV814x-Q1 VQFN device orientation is rotated for better power and thermal characteristics, taking advantage of the busbar-like footprint of the HotRod™ package.

A supply voltage ranging from +4.5 VDC to +36 VDC from a battery or a DC voltage source is connected to the voltage supply pins. This connection includes fuse, reverse polarity, and transient protection.

The OUT1 and OUT2 banana jacks on the DRV824x-Q1EVM can be connected to a brushed motor, inductor, or latched relay coil when used in PWM or phase/enable (PH/EN) mode. When used in independent half-bridge mode, the OUT1 pin can drive one load and the OUT2 pin can drive a second load.

Table 2-1 DRV814x-Q1EVM and DRV824x-Q1EVM Comparison
DRV814x-Q1EVMDRV824x-Q1EVM
  • Single half-bridge output in VQFN HotRod™ package
  • SPI and Hardware control variants
  • H-bridge/ dual independent half-bridge outputs in VQFN HotRod™ package
  • SPI and Hardware control variants
GUID-20231005-SS0I-VN0Q-6HP5-SKWD7ZZK4W0T-low.pngGUID-20231005-SS0I-VDL4-FQ1G-CWPKFW0WJXQ2-low.png
Note: DRV8242 does not support independent half-bridge mode