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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.
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1
Introduction
2
Test Setup and Results
3
PCB Layout Guidelines
4
Board Layout, Schematic and Bill of Materials
1
Equipment Test Setup for BMS027A
2
BMS027A Top Layer and Overlay
3
BMS027A Signal Layer 1
4
BMS027A Signal Layer 2
5
BMS027A Bottom Layer and Overlay
6
BQ25790EVM Schematic Page 1
7
BQ25790EVM Schematic Page 2
1
Device Data Sheet
2
EVM Connections
3
EVM Shunt and Switch Installation
4
Recommended Operating Conditions
5
BMS027A Bill of Materials
SLUUC51A - June 2020 - Revised July 2020
Submit Documentation Feedback
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List of Figures
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List of Tables
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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.
Copyright © 2020, Texas Instruments Incorporated
SLUUC51A - June 2020 - Revised July 2020
Contents
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Summary of Contents for Texas Instruments BQ25790EVM
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Page 1: Table Of Contents
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 ........................ - Page 2 With dual input source selection, USB OTG support and an integrated 16-bit multi-channel analog-to-digital converter (ADC), the BQ25790 is a complete charging solution. EVM Features The BQ25790EVM is a complete module for evaluating the BQ25790 in the (WCSP) DSBGA package. Key features of this EVM include: •...
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Page 3: Introduction
(JP17 - TCOOL, JP18 - TCOLD, JP21 - TWARM, JP22 - THOT). Remove this jumper whenever using an externally connected thermistor. SLUUC51A – June 2020 – Revised July 2020 BQ25790EVM (BMS027) Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... -
Page 4: Table 1-3. Evm Shunt And Switch Installation
Battery charge current 0.01 V(SYS) at J3 System voltage regulation range I(SYS) out of J3 System load current BQ25790EVM (BMS027) Evaluation Module User's Guide SLUUC51A – June 2020 – Revised July 2020 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... -
Page 5: Recommended Operating Conditions
Test Setup and Results Equipment This section includes a list of supplies required to perform tests on the BQ25790EVM. 1. Power Supplies for VBUS pin: Power Supply #1 (PS1): A power supply capable of supplying up to 24 V at 3 A is required. -
Page 6: Test Setup And Results
Section 2.2 steps have been followed. 2. Remove the shunt on JP18 to disable charge. 3. Launch the BQSTUDIO software and select Charger then BQ25790EVM, if not already done. 4. Turn on PS1 and Load #1: • Measure ➡ V (TP26 and TP48) = 8.55 V ±0.2 V... -
Page 7: Software Setup
Measure ➡ ➡ I (voltage across 0.01-Ω resistor between TP1 and TP2) = 900 mA ±60 mA VAC1_SENSE SLUUC51A – June 2020 – Revised July 2020 BQ25790EVM (BMS027) Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... -
Page 8: Figure 2-2. Single Bit Registers Section
(TP1 and TP2) = 1000 mA ±0.10 A AC1-SENSE • Click READ ALL REGISTERS and Verify ➡ REG1Bb[7] reports IINDPM BQ25790EVM (BMS027) Evaluation Module User's Guide SLUUC51A – June 2020 – Revised July 2020 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... -
Page 9: Figure 2-3. Multi-Bit Register Section
PCB layout compromises for less critical components than those listed in the first six items above. SLUUC51A – June 2020 – Revised July 2020 BQ25790EVM (BMS027) Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... -
Page 10: Figure 2-6. Chip Configuration
Figure 2 through Figure 5 illustrate the PCB board layout. Figure 2. BMS027A Top Layer and Overlay BQ25790EVM (BMS027) Evaluation Module User's Guide SLUUC51A – June 2020 – Revised July 2020 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... -
Page 11: Figure 2-8. Single-Bit Register Section
Board Layout, Schematic and Bill of Materials www.ti.com Figure 3. BMS027A Signal Layer 1 SLUUC51A – June 2020 – Revised July 2020 BQ25790EVM (BMS027) Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... -
Page 12: Figure 2-10. Otg Configuration Section
Board Layout, Schematic and Bill of Materials www.ti.com Figure 4. BMS027A Signal Layer 2 BQ25790EVM (BMS027) Evaluation Module User's Guide SLUUC51A – June 2020 – Revised July 2020 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... -
Page 13: Pcb Layout Guidelines
Board Layout, Schematic and Bill of Materials www.ti.com Figure 5. BMS027A Bottom Layer and Overlay SLUUC51A – June 2020 – Revised July 2020 BQ25790EVM (BMS027) Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... -
Page 14: Board Layout, Schematic And Bill Of Materials
Board Layout, Schematic and Bill of Materials www.ti.com Schematic Figure 6 through Figure 7 illustrate the schematic for the BQ25790EVM. VAC1 _acdrv1 _acdrv2 /INT /INT CSD17581Q3A CSD17581Q3A VIN1 VAC1 1,2,3 1,2,3 0.01 ACDRV1 ACDRV2 5,6, 5,6, 3.9V - 24V 100k... -
Page 15: Figure 4-2. Bms027A Signal Layer 1
PROG USB2ANY AGND ILIM_HIZ ILIM_HIZ PULLUP JP36 PULLUP 10.0 Figure 7. BQ25790EVM Schematic Page 2 space space SLUUC51A – June 2020 – Revised July 2020 BQ25790EVM (BMS027) Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... -
Page 16: Figure 4-3. Bms027A Signal Layer 2
Header, 100mil, 3x1, Tin, TH PEC03SAAN Solutions JP3, JP4, JP5 Header, 100mil, 2x1, Gold, TH Header, 100mil, 2x1, TH HTSW-102-07-G-S Samtec BQ25790EVM (BMS027) Evaluation Module User's Guide SLUUC51A – June 2020 – Revised July 2020 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... -
Page 17: Figure 4-4. Bms027A Bottom Layer And Overlay
0603 RC0603FR-0717K4L Yageo 27.0k RES, 27.0 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 ERJ-3EKF2702V Panasonic SLUUC51A – June 2020 – Revised July 2020 BQ25790EVM (BMS027) Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... -
Page 18: Schematic
MuRata C16, C17 0.01µF CAP, CERM, 0.01 uF, 50 V, +/- 5%, X7R, 0402 0402 C0402C103J5RACTU Kemet BQ25790EVM (BMS027) Evaluation Module User's Guide SLUUC51A – June 2020 – Revised July 2020 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... -
Page 19: Figure 4-6. Bq25790Evm Schematic
SH-JP30, SH-JP31, SH-JP33, SH-JP36 White Miniature TP4, TP5, TP8, TP9 Test Point, Miniature, White, TH 5002 Keystone Testpoint SLUUC51A – June 2020 – Revised July 2020 BQ25790EVM (BMS027) Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... -
Page 20: Bill Of Materials
......................Page ................• Updated Equipment Test Setup for BMS027A image..................• Updated BQ25790EVM Schematic Page 1.................... • Changed BMS027A Bill of Materials table. Revision History SLUUC51A – June 2020 – Revised July 2020 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated... - Page 21 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
- Page 22 www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product.
- Page 23 www.ti.com Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à...
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Page 24: Revision History
www.ti.com EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices. - Page 25 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2019, Texas Instruments Incorporated...
- Page 26 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2020, Texas Instruments Incorporated...
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