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MAXREFDES1153: Multicell Fuel Gauge with Battery Protection and Balancing Circuit Using the MAX17205

MAXREFDES1153

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Description

The MAXREFDES1153 is a monitoring solution for genuine lithium-ion (Li+) battery packs with 2 to 15 cells connected in series. This reference design provides an accurate state of charge (SOC) in milliamp-hours (mAh) or percentage (%), as well as precision measurements of current, voltage, and temperature for multicell battery packs. The MAXREFDES1153 features monitoring and balancing of the battery pack, as well as safety features and protection circuits that guard against conditions such as overcharging, overdischarging, and overcurrent. This reference design is a fully tested solution for power tools, uninterruptible power supply (UPS), and some industrial applications. The ModelGauge m5 EZ configuration or a custom battery pack model could be loaded to the MAX17205 on the MAXREFDES1153 board through microcontrollers. The MAXREFDES1153 provides samples that load the ModelGauge m5 EZ configuration or a custom battery pack model through the STM32 master board and shows the measured SOC, voltage, current, and temperature on the touchscreen of the STM32 master board. The default configuration of the MAXREFDES1153 is for 5 Li+ cells in series. An overview of the design specification is shown in Table 1.

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Designed, Built, Tested

Board pictured here has been fully assembled and tested. Not available for sale.

 

Schematic

PCB Layout

Test Results

Maxim Devices (1)

Part Number Name Product Family Order Design kits and evaluation modules
MAX17205 Stand-Alone ModelGauge m5 Fuel Gauge with SHA-256 Authentication Battery Management Buy Now Design Kits

Maxim Devices (1)

Part Number Product Family
Battery Management
Stand-Alone ModelGauge m5 Fuel Gauge with SHA-256 Authentication

Design Files (4)

Title Type Size Date
maxrefdes1153-schematic PDF 40KB 2019-03-15
TTS MAXREFDES Test Results Template_Rev 0_0318 PDF 917KB 2019-03-15
maxrefdes1153-pcb PDF 1MB 2019-03-15
maxrefdes1153-bom PDF 1MB 2019-03-15
Date Type
2019-03-15

maxrefdes1153-schematic

(PDF, 40KB)

2019-03-15

TTS MAXREFDES Test Results Template_Rev 0_0318

(PDF, 917KB)

2019-03-15

maxrefdes1153-pcb

(PDF, 1MB)

2019-03-15

maxrefdes1153-bom

(PDF, 1MB)

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