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Electric Toothbrush Controller Reference Design
TIDA-00602
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Key Document

Description

This TI Design uses Texas Instruments’ low-voltage H-Bridge motor driver with an integrated LDO voltage regulator and an ultra-low-power microcontroller (MCU) to demonstrate a full implementation of a battery powered electric toothbrush.

Features
  • Battery voltage ranging from 2 to 5.5 V
  • Delivers 5 A continuous and 8 A peak-drive current
  • Small PCB form factor of 43.2 x 14.6 mm
  • Low component count to reduce cost
  • Less than 50 nA Battery Leakage Current When Off

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Schematic/Block Diagram

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Design Files

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TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DRV8850  Low-Voltage H-Bridge Motor Driver with LDO Voltage Regulator  Motor drivers  Sample & Buy View Design Kits & Evaluation Modules
MSP430G2210  MSP430G22x0 Mixed Signal Microcontroller  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules
SN74LVC1G14  Single Schmitt-Trigger Inverter  Buffer/driver  Sample & Buy View Design Kits & Evaluation Modules
SN74LVC1G80  Single Positive-Edge-Triggered D-Type Flip-Flop  Flip-flop/latch/register  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DRV8850 Download -
MSP430G2210 Download Download
SN74LVC1G14 Download -
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SN74LVC1G80 Download Download
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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 2036 02 Nov 2015
Design files (6)
Title Type Size (KB) Date
ZIP 312 02 Nov 2015
ZIP 518 02 Nov 2015
PDF 536 02 Nov 2015
PDF 85 02 Nov 2015
PDF 200 02 Nov 2015
PDF 136 02 Nov 2015
Related Tools & Software

Software (1)



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