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  • Using the UCC27614EVM

    • SLUUCE3 June   2021 UCC27614

       

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EVM USER'S GUIDE

Using the UCC27614EVM

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1 Introduction

The UCC27614EVM is designed to primarily evaluate the UCC27614DSG performances. The UCC27614DSG is a 30-V, single channel low-side driver with 10-A peak source and 10-A peak sink current for driving Si/IGBTs/SiC and GaN FETs. The UCC27614EVM board can be used to evaluate other pin-to-pin compatible parts in the 2x2mm WSON package. The UCC27614EVM inputs can tolerate signals as high as 26 V regardless of the VDD voltage which enhances device robustness.

2 Description

The UCC27614EVM is designed to primarily evaluate the UCC27614DSG. The driver's performance can be evaluated while driving capacitive loads and/or power devices with provisions for TO-220 footprints. The UCC27614DSG is a 30-V single channel, low-side driver with 10-A peak source and 10-A peak sink current for driving high gate charge MOSFETs. The UCC27614EVM evaluation board use surface-mount test points allowing connection to IN+, IN-, VDD and OUT to evaluate the UCC27614 in the 2x2 WSON package. The EVM is set up to evaluate the UCC27614DSG in an inverting (IN-) and non-inverting (IN+) configuration to drive various capacitive and resistive loads as well TO-220 Si/IGBTs/SiC MOSFETs with a default configuration using a 1.8nF capacitive load.

The UCC27614 has low propagation delays and fast rise (5 ns) and fall (4 ns) times at the driver outputs for reliable timing of the gate drive signals. The UCC27614 inputs can tolerate signals as high as 26-V (max recommended operating conditions) regardless of the VDD voltage which enhances device robustness. For detailed device informations, see the .

Related information
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2.1 Features

The UCC27614EVM supports the following features:

  • EVM for the low-voltage features of the UCC27614DSG gate driver
  • 4.5-V to 26-V VCC power supply range
  • 10-A source, 10-A sink current for the UCC27614EVM
  • -10V input voltage capability.
  • TTL-compatible inputs
  • PCB layout optimized for bias supply bypassing cap, gate-drive resistance selection
  • Capacitive load, external gate drive resistor and TO-220 footprint for N-ch MOSFETs gate drive network evaluation
  • Available in 2mm x 2mm SON8 package
  • Inverting or non-inverting configurations
  • Test points allow probing all the key pins of the UCC27614DSG.

2.2 I/O Description

Table 2-1 details the connection descriptions.

Table 2-1 Connection Descriptions
PinsDescription
VCCVCC positive input test point. Powers IC VDD pin, use 4.5-V to 26-V range.
VDDVDD positive input of UCC27614DSG IC
GNDMultiple test points. VCC negative input, HI_IN,LI_IN, and ENA_IN negative inputs, and ground at UCC27614DSG IC
INA_IN+

IN+ PWM signal

INB_IN-IN- PWM signal
INAIN+ input pin
INBIN- input pin
Gate_A

OUT output at capacitive load and gate

OUTAOUT outputs at driver's pin

3 Electrical Specifications

For the full range of recommended operating specifications and design guidelines for driving loads, see the UCC27614 30-V, 10-A single channel low-side driver datasheet.

CAUTION:

The UCC27614EVM is designed for low-voltage evaluation only, and is not certified for evaluation with voltages beyond the absolute maximum listed in the electrical specifications. Do not evaluate high-voltage parameters with this board.

4 Test Summary

4.1 Definitions

This procedure details how to configure the UCC27614EVM evaluation boards. Within this test procedure, the following naming conventions are applied. See the UCC27614EVM Bench Setup Diagram and Configuration, Figure 4-1, for details.

DMM: Digital multimeter

EVM: Evaluation module

4.2 Equipment

4.2.1 Power Supply

DC power supply with voltage and current above 26 V and 1 A, for example: Agilent E3634A

4.2.2 Function Generator

Two-channel function generator over 10 MHz, for example: Tektronics AFG3252

 

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