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TIDA-00657

SMBus 1- to 4-cell Hybrid Power Boost Mode Battery Charge Controller Reference Design

Design files

TIDA-00657

Design files

Overview

The TIDA-00657 reference design enables high efficiency (90+% @1-2A)  and faster charge with high charging current up to 3A. The design uses TI's BQ24780 Industrial Innovative Charge Controlller with Hybrid Power Boost Mode and  also features power and processor hot monitoring capability.

Features
  • Support 1~4 Cell battery from 4.5V~24V adapter
  • Industrial Innovative Charge Controller with Hybrid Power Boost Mode
  • High Accuracy Power and Current Monitoring for CPU throttling
  • Automatic NMOS Power Source Selection from Adapter or Battery
  • Programmable Input Current, Charge Voltage, Charge and Discharge Current Limit
  • Both host control and autonomous charging when the host is not available
  • High Integration: Learn function, battery present monitor, boost mode indicator, loop compensation, BTST diode
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Design files & products

Design files

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

download Design guide — TIDA-00657
TIDUAP8A.PDF (911 KB)

Reference design overview and verified performance test data

download Assembly drawing — TIDA-00657
TIDRH86.PDF (294 KB)

Detailed overview of design layout for component placement

download Bill of materials (BOM) — TIDA-00657
TIDRH85A.PDF (175 KB)

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

download CAD/CAE symbol — TIDA-00657
TIDRH88.ZIP (717 KB)

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

download Gerber file — TIDA-00657
TIDCAZ5.ZIP (970 KB)

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

download PCB layout — TIDA-00657
TIDRH87.PDF (1888 KB)

PCB layer plot file used for generating PCB design layout

download Schematic — TIDA-00657
TIDRH84.PDF (496 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

Reset & watchdog ICs

TPS3898 — Single-channel, ultra-small, adjustable supervisor with active-low, open-drain output

Data sheet: PDF | HTML
Battery charger ICs

BQ24780S — SMBus 1-4 cell Buck battery charge controller to support hybrid power boost mode

Data sheet: PDF | HTML
MOSFETs

CSD17308Q3 — 30-V, N channel NexFET™ power MOSFET, single SON 3 mm x 3 mm, 11.8 mOhm

Data sheet: PDF | HTML

Start development

Hardware

Evaluation board

BQ24780SEVM-583 — 1-4 Cell Hybrid Power Boost Mode Battery Charge Controller Evaluation Module

The bq24780S evaluation module (EVM) is a complete charger module for evaluating the high-efficiency, synchronous, 1-4 cell turbo boost mode battery charge controller with power monitoring and /PROCHOT for CPU throttling, charges one, two, three or four series Li-ion and Li-polymer cells used in (...)

EVM user’s guide: PDF
Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDA-00657 — SMBus 1- to 4-cell Hybrid Power Boost Mode Battery Charge Controller Reference Design
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BQ24780SEVM-583 — 1-4 Cell Hybrid Power Boost Mode Battery Charge Controller Evaluation Module

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Hardware development
Reference design
TIDA-00657 — SMBus 1- to 4-cell Hybrid Power Boost Mode Battery Charge Controller Reference Design
TI’s Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* Design guide TIDA-00657 Test Results (Rev. A) Sep 15, 2017

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