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TIDA-010208

10s-16s battery pack reference design with accurate cell measurement and high-side MOSFET control

Design files

TIDA-010208

Design files

Overview

This reference design is a low standby and ship-mode current consumption and high cell voltage accuracy 10s–16s Lithium-ion (Li-ion), LiFePO4 battery pack design. It monitors each cell voltage, pack current, cell and MOSFET temperature with high accuracy and protects the Li-ion, LiFePO4 battery pack against cell overvoltage, cell undervoltage, overtemperature, charge and discharge over current and discharge short-circuit situations. It adopts high-side N-channel MOSFET architecture and has strong driving on and off capability. Through an efficient auxiliary power supply strategy, this reference design achieves 100-μA standby and 10-μA ship mode consumption, saving more energy and allowing longer shipping time and idle time. These features make this reference design highly applicable for e-bike and e-scooter battery pack applications.

Features
  • Ultra-low current consumption:
    • typical 100-μA when in standby mode
    • typical 10-μA when in shipping mode
  • High cell voltage accuracy without calibrations:
    • ±5 mV at 25°C; ±10 mV at 0°C–60°C
    • ±15 mV at –40°C to 85°C
  • Robust battery cell protection, including:
    • Primary: cell overvoltage, cell undervoltage, two levels overcurrent discharge, overcurrent charge, discharge short circuit and overtemperature
    • Secondary: cell over voltage, cell undervoltage and overtemperature
  • Other system protections, including: cell open wire and thermal host watchdog
  • Reverse charger and high voltage on PACK side
  • High-side N-channel MOSFETs and strong driving capability
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Design files & products

Design files

Download ready-to-use system files to speed your design process.

download Design guide — TIDA-010208
PDF | HTML
TIDUEY5.PDF (2754 KB)

Reference design overview and verified performance test data

download Assembly drawing — TIDA-010208
TIDM790.PDF (490 KB)

Detailed overview of design layout for component placement

download Bill of materials (BOM) — TIDA-010208
TIDM789.PDF (179 KB)

Complete listing of design components, reference designators, and manufacturers/part numbers

download CAD/CAE symbol — TIDA-010208
TIDM792.ZIP (2506 KB)

Files used for 3D models or 2D drawings of IC components

download Gerber file — TIDA-010208
TIDCFZ2.ZIP (1635 KB)

Design file that contains information on physical board layer of design PCB

download PCB layout — TIDA-010208
TIDM791.PDF (1921 KB)

PCB layer plot file used for generating PCB design layout

download Schematic — TIDA-010208
TIDM788.PDF (714 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

CAN transceivers

TCAN1044V — Fault-protected CAN FD transceiver with standby mode and 1.8-V IO support

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TLV704 — 150-mA 24-V ultra-low-IQ low-dropout (LDO) voltage regulator

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Low-power MCUs

MSP430FR2155 — 24 MHz MCU with 32KB FRAM, 4KB SRAM, comparator, 12-bit ADC, UART/SPI/I2C, timer

Data sheet: PDF | HTML
Thermistors

TMP61 — 1%, 10-kΩ linear thermistor in 0402, 0603/0805 and through hole packages

Data sheet: PDF | HTML
MOSFETs

CSD19536KTT — 100-V, N channel NexFET™ power MOSFET, single D2PAK, 2.4 mOhm

Data sheet: PDF | HTML
CAN transceivers

TCAN1042HV — Fault Protected CAN Transceiver With Flexible Data-Rate

Data sheet: PDF | HTML
DC/DC converters

LM5163 — 100-V input, 0.5-A synchronous buck DC/DC converter with ultra-low IQ

Data sheet: PDF | HTML
Battery protectors

BQ77216 — Voltage and temperature protection for 3-s to 16-s cell Li-ion batteries with internal delay timer

Data sheet: PDF | HTML
Battery monitors & balancers

BQ76952 — 3-s to 16-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4

Data sheet: PDF | HTML

Start development

Hardware development

Evaluation board

BQ77216EVM — Voltage and temperature protector for 3-series to 16-series cell li-ion batteries evaluation module

This reference design is a low standby and ship-mode current consumption and high cell voltage accuracy 10s–16s Lithium-ion (Li-ion), LiFePO4 battery pack design. It monitors each cell voltage, pack current, cell and MOSFET temperature with high accuracy and protects the Li-ion, LiFePO4 (...)
EVM user’s guide: PDF
Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDA-010208 — 10s-16s battery pack reference design with accurate cell measurement and high-side MOSFET control
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BQ77216EVM — Voltage and temperature protector for 3-series to 16-series cell li-ion batteries evaluation module

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Reference design
TIDA-010208 — 10s-16s battery pack reference design with accurate cell measurement and high-side MOSFET control
TI’s Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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* Design guide 10s-16s Battery Pack Reference Design With Accurate Cell Measurement PDF | HTML Jan 11, 2021

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Software development

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Design tools & simulation

CALCULATION TOOL
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Support & training

TI E2E™ forums with technical support from TI engineers

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