Texas Instruments bq27441 EVM, Руководство пользователя

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2 SLUUAP4A – December 2013 – Revised July 2016
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bq27441 EVM: System-Side Impedance Track™ Technology
List of Figures
1 bq27441EVM Layout – Top Silk
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2 bq27441EVM Layout - Top Layer
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3 bq27441EVM Layout - Power Layer
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4 bq27441EVM Layout – Bottom Layer
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5 bq27441EVM Layout – Ground Layer
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6 bq27441EVM Schematic
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7 bq27441 Circuit Module Connection to Pack and System Load/Charger
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8 Registers Screen
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9 bqStudio Default Page
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10 Data Memory Screen
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11 Calibration Screen
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12 Advanced Communication I2C
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13 Parameter Q&A Screen
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14 Golden Image Output Screen
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15 Perform Programming Screen
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List of Tables
1 Ordering Information
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2 Bill of Materials
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3 Performance Specification Summary
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4 Circuit Module to EV2300 or EV2400 Connections
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1 Features
• Complete evaluation system for the bq27441 gas gauge with Impedance Track™ technology
• Populated circuit module for quick setup
• Personal computer (PC) software and interface board for easy evaluation
• Software that allows data logging for system analysis
1.1 Kit Contents
• bq27441 circuit module (PWR582)
This EVM is used for the evaluation of the bq27441. Visit the product Web folder at www.ti.com to
properly configure the bq27441.
1.2 Ordering Information
(1)
Using the FW_VERSION (0x0002) Control() subcommand returns 0x0109. See SLUSBH1 , bq27441-G1x System-Side
Impedance Track™ Fuel Gauge , data sheet for information on Control() subcommands.
(2)
Using the CHEM_ID (0x0008) Control() subcommand helps to differentiate between the bq27441-G1A (returns 0x0128), the
bq27441-G1B (returns 0x0312), and the bq27441-G1C (returns 0x0354). See SLUSBH1 , bq27441-G1x System-Side Impedance
Track™ Fuel Gauge , data sheet for information on Control() subcommands.
Table 1. Ordering Information
Part Number EVM Part Number Firmware Version
(1)
Chemistry Chemistry ID
(2)
Configuration
bq27441-G1A bq27441EVM-G1A v1.09 (0x0109) 4.2 V Li-ion 128 1 cell
bq27441-G1B bq27441EVM-G1B v1.09 (0x0109) 4.3 V Li-ion 312 1 cell
bq27441-G1C bq27441EVM-G1C v1.09 (0x0109) 4.35 V Li-ion 354 1 cell