Cordless power tool

Products and reference designs

Cordless power tool

Block diagram

Overview

Our integrated circuits and reference designs help you create highly-efficient cordless power tools with maximum battery efficiency and achieve smaller size, lighter weight, reduced audible noise, EMI/EMC requirements and lower system cost.

Design requirements

    Modern cordless power tool systems often require:

  • Highly-efficient motor drive with enhanced protection.
  • Compact drive with high peak current capability meeting thermal requirements.
  • Innovative user-interface solutions and reliable sensing solutions.
  • Secure, robust and reliable wireless connectivity.

Explore applications similar in function and design

Block diagram

Find products and reference designs for your system.

Cordless power tool

M M BDC / BLDC motor BDC / BLDC motor Wireless interface Wireless interface Wireless connectivity Wireless connectivity Antenna Antenna Position sensor Position sensor Magnetic/hall sensors Magnetic/hall sensors Current sense Current sense Voltage sense Voltage sense Sensor Sensor Displacement sensor Displacement sensor Proximity sensor Proximity sensor Vibration sensor Vibration sensor Acceleration sensor Acceleration sensor Output user interface Output user interface LED driver LED driver Speaker output Speaker output Current & voltage sense Current & voltage sense COMP COMP REF REF AMP AMP AMP AMP Signal input/output protection Signal input/output protection ESD / TVS ESD / TVS Input user interface Input user interface Trigger switch Trigger switch Inductive / capacitive sensing Inductive / capacitive sensing MCU/CapTivate MCU/CapTivate Forward/reverse switch Forward/reverse switch Touch keys / Touch pad Touch keys / Touch pad Clutch setting dial Clutch setting dial Hall sensors Hall sensors DC DC Wired interface Wired interface I2C I2C SMBUS SMBUS SPI SPI I2C I2C UART UART CAN CAN Input power protection Input power protection TVS TVS Battery protection Battery protection Gate driver Gate driver MOSFETs MOSFETs Protector/monitor Protector/monitor Fuse Fuse Non-isolated DC/DC power supply Non-isolated DC/DC power supply LDO LDO DC/DC DC/DC Analog front end Analog front end REF REF ADC ADC AMP AMP COMP COMP MUX MUX Power stage Power stage Gate driver Gate driver MOSFET MOSFET Digital processing Digital processing MCU/MPU MCU/MPU LOGIC LOGIC Monitoring Monitoring Watchdog Watchdog Temperature Temperature Voltage supervisor Voltage supervisor RESET RESET

Current & voltage sense

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Advanced current sense solutions (isolated & non-isolated) for a wide range of motor control applications.

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Amplifiers (27)
General-purpose op amps
  • TLV9064Quad, 5.5-V, 10-MHz, RRIO operational amplifier for cost-optimized applications
    Data sheet: PDF | HTML
  • TLV9061Single, 5.5-V, 10-MHz, RRIO operational amplifier for cost-optimized applications
    Data sheet: PDF | HTML
  • TLV9001One-channel, 1-MHz rail-to-rail input and output 1.8-V to 5.5-V operational amplifier
    Data sheet: PDF | HTML
  • LM324BQuad, 36V 1.2MHz 3mV offset voltage operational amplifier
    Data sheet: PDF | HTML
  • LM2904BDual, 36-V, 1.2-MHz operational amplifier with -40°C to 125°C operation
    Data sheet: PDF | HTML
  • LMV321ASingle, 5.5-V, 1-MHz, 4-mV offset voltage, RRO operational amplifier
    Data sheet: PDF | HTML
Precision op amps (Vos<1mV)
  • OPA2392Dual, low-offset (10μV), low-noise (4.4nV/rtHz @10kHz) femtoamp-bias-current e-trim™ op amp
    Data sheet: PDF | HTML
  • OPA2328Dual-channel, precision, 50-µV offset voltage, 40-MHz wide-bandwidth RRIO CMOS op amp
    Data sheet: PDF | HTML
  • OPA191Low-Power, Precision, 36-V, e-trim CMOS Amplifier
    Data sheet: PDF | HTML
  • OPA2333P1.8-V, 17-µA, two-channel, micropower zero-drift CMOS operational amplifier with >300-kHz GBW
    Data sheet: PDF | HTML
  • LMV842Dual CMOS Input, RRIO, Wide Supply Range Operational Amplifiers
    Data sheet: PDF | HTML
  • OPA2350Dual single-supply, rail-to-rail, high speed, low-noise operational amplifier
    Data sheet: PDF | HTML
Analog current-sense amplifiers
  • INA296A-5-V to 110-V, bidirectional, 1.1-MHz 8-V/µs ultraprecise current sense amplifier
    Data sheet: PDF | HTML
  • INA241B-5-V to 110-V bidirectional high-precision current sense amplifier with enhanced PWM rejection
    Data sheet: PDF | HTML
  • INA18026V, 350kHz current sense amplifier
    Data sheet: PDF | HTML
  • INA18126-V bi-directional 350-kHz current-sense amplifier
    Data sheet: PDF | HTML
  • INA21326V, bi-directional, high-precision current sense amplifier
    Data sheet: PDF | HTML
  • INA240-4 to 80V, bidirectional, ultra-precise current sense amplifier with enhanced PWM rejection
    Data sheet: PDF | HTML
Comparators
  • TLV7011Low power, small size comparator with push-pull output
    Data sheet: PDF | HTML
  • TLV7012Micropower small size comparator (dual, push-pull output)
    Data sheet: PDF | HTML
  • TLV7031Nanopower, small size comparator with push-pull output
    Data sheet: PDF | HTML
  • LM2903Dual differential comparator
    Data sheet: PDF | HTML
  • LM393APrecision dual differential comparator, industrial grade
    Data sheet: PDF | HTML
  • TLV3012BMicropower comparator with integrated reference pin and push-pull output
    Data sheet: PDF | HTML
Audio op amps
  • TL972Dual, 12-V, 12-MHz operational amplifier
    Data sheet: PDF | HTML
High-speed op amps (GBW ≥ 50 MHz)
  • OPA4863Quad, low-power, 110-MHz RRIO voltage-feedback amplifier
    Data sheet: PDF | HTML
  • OPA830Low-Power, Single-Supply Operational Amplifier
    Data sheet: PDF | HTML
Power management (6)
Series voltage references
  • REF35650-nA quiescent current, 12-ppm/°C drift, ultra-low-power precision voltage reference
    Data sheet: PDF | HTML
  • REF70Ultra-high-precision voltage reference with low noise and low drift
    Data sheet: PDF | HTML
  • REF20258-ppm/°C drift, low-power, dual-output Vref & Vref/2 voltage reference
    Data sheet: PDF | HTML
  • REF20-Q1Automotive low-drift, low-power, series voltage reference
    Data sheet: PDF | HTML
  • REF19252.5-V Vref, dual-output Vref & Vref/2 voltage reference
    Data sheet: PDF | HTML
  • REF19303-V Vref, dual-output Vref & Vref/2 voltage reference
    Data sheet: PDF | HTML
  • TIDA-0091348V 3-Phase Inverter with Shunt-based In-line Motor Phase Current Sensing Reference Design
    Design guide: PDF Schematic: PDF
  • TIDA-01005654-V, 1.5 kW, >99% Efficient, 70x69 mm2 power stage reference design for 3-phase BLDC drives
    Design guide: PDF Schematic: PDF
  • TIDA-01141Shunt-Based, <1% Accurate, ±100A, High-Side, Bi-directional Current Measurement Reference Design
    Design guide: PDF Schematic: PDF
  • TIDA-0148536-V, 1-kW, 99% Efficient, 18-cm2 Power Stage Reference Design for Three-Phase BLDC Motors
    Design guide: PDF Schematic: PDF
  • TIPD156Low-Drift Bidirectional Single-Supply Low-Side Current Sensing Reference Design
    Schematic: PDF Schematic: PDF

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