Texas Instruments BMS027, User Manual

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1 SLUUC51A – June 2020 – Revised July 2020
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BQ25790EVM (BMS027) Evaluation Module User's Guide
User's Guide
SLUUC51A – June 2020 – Revised July 2020
BQ25790EVM (BMS027) Evaluation Module User's Guide
This user's guide describes the characteristics, operation, and functionality of the BQ25790 Evaluation
Module (EVM). It also describes the equipment, test setup, and software required to operate the EVM. A
complete schematic diagram, printed-circuit board (PCB) layouts, and bill of materials (BOM) are also
included in this document.
Throughout this user's guide, the abbreviations and terms EVM, BQ25790EVM, BMS027, and evaluation
module are synonymous with the BQ25790 EVM.
Contents
1 Introduction
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2
2 Test Setup and Results
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5
3 PCB Layout Guidelines
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9
4 Board Layout, Schematic and Bill of Materials
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10
List of Figures
1 Equipment Test Setup for BMS027A
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6
2 BMS027A Top Layer and Overlay
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10
3 BMS027A Signal Layer 1
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11
4 BMS027A Signal Layer 2
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12
5 BMS027A Bottom Layer and Overlay
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13
6 BQ25790EVM Schematic Page 1
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14
7 BQ25790EVM Schematic Page 2
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15
List of Tables
1 Device Data Sheet
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2
2 EVM Connections
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2
3 EVM Shunt and Switch Installation
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3
4 Recommended Operating Conditions
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4
5 BMS027A Bill of Materials
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16
WARNING
Hot surface! Contact may cause burns. Do not touch!
Some components may reach high temperatures
>55°C when the board is powered on. The user must
not touch the board at any point during operation or
immediately after operating, as high temperatures may
be present.