Texas Instruments bq2512 Series, User Manual

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1 SLUUBC8A – August 2015 – Revised May 2016
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bq2512x Evaluation Module
User's Guide
SLUUBC8A – August 2015 – Revised May 2016
bq2512x Evaluation Module
The bq2512x evaluation module (EVM) is a high-performance, easy-to-use development kit for the design
of a compact, flexible, high-efficiency, lower power management solution for single-cell, Li-ion and Li-
polymer batteries used in wearables and low-power portable applications.
This user's guide details both the bq25120EVM and bq25121EVM features, test summary, and test
results. Also included are the EVM schematic, bill of materials, and PCB board layouts.
PCB Configurations
Device PCB
bq25120 PWR731
bq25121 PWR812
Contents
1 Introduction
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1.1 bq2512x IC Features
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1.2 bq2512x EVM Features
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1.3 Schematic
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1.4 I/O Description
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1.5 Test Points
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1.6 Default Settings
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1.7 Recommended Operating Conditions
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2 Test Summary
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2.1 Recommended Test Equipment
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2.2 Recommended Test Equipment Setup
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2.3 Software GUI (When I
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C Communication is Used)
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3 Test Procedure
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3.1 Set the Potentiometers
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3.2 Charge Disabled
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3.3 Charge Current Regulation
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3.4 Ship Mode (Optional if I
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C Control not Used)
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4 Helpful Hints
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5 Bill of Materials and Board Layout
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5.1 Bill of Materials
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5.2 Board Layouts
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List of Figures
1 bq2512xEVM Schematic (bq25120 Represented)
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2 BAT Load (PR1010) Schematic
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3 Test Setup (PWR731 for bq2512xEVM-731 Shown)
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4 EV2400 Interface Box Connection
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5 bq2512x Software GUI
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6 Select EN_SHIPMODE
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7 Top Overlay
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8 Top Solder Mask
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9 Top Layer
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