Cordless power tool

Application 2024-03-01



Overview

Description

Related applications

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.

Input power protection

Reliable protection against surge or transient voltage.

Products

ESD protection diodes

TPD1E10B06—12-pF, ±5.5V, ±30-kV ESD protection diode in 0402 and SOD-523 package

ESD321—0.9pF 3.6V ±30kV ESD protection diode with 6.8V 16A TLP clamping for USB 2.0

TPD1E05U06-Q1—Automotive 0.4pF 5.5V, ±12-kV ESD protection diode in 0402 package with for USB 3.0

TPD2E001—Dual 1.5-pF, 5.5-V, ±8-kV ESD protection diode with 1-nA max leakage & VCC pin for USB 2.0

TVS diodes

TVS3300—33V flat-clamp surge protection device

TVS0500—5V flat-clamp surge protection device

TVS1400—14V flat-clamp surge protection device

Battery protection

Reliable and robust protection switches ensure correct charging and discharging, thereby, enabling battery protection from over current short circuit conditions.

Products

eFuses & hot swap controllers

TPS25940-Q1—2.7-V to 18-V, 42mΩ, 0.6-5.3A automotive eFuse with current monitor and short to battery protection

TPS2490—9-V to 80-V hot swap controller with power limiting and latch off

TPS25921L—4.5-V to 18-V, 90mΩ, 0.4-1.6A eFuse with latch off fault response

TPS2596—2.7-V to 19-V, 85mΩ, 0.13-2A eFuse with selectable over voltage protection clamp in leaded package

USB power switches & charging port controllers

TPS2557—0.5-5A adjustable ILIMIT, 2.5-6.5V, 22mΩ USB power switch, active-high

N-channel MOSFETs

CSD18510Q5B—40-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 0.96 mOhm

CSD19503KCS—80-V, N channel NexFET™ power MOSFET, single TO-220, 9.2 mOhm

CSD18532Q5B—60-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 3.2 mOhm

P-channel MOSFETs

CSD23381F4—-12-V, P channel NexFET™ power MOSFET, single LGA 0.6 mm x 1 mm, 175 mOhm, gate ESD protection

Non-isolated DC/DC power supply

Cost effective, high efficiency, small form factor DC/DC solutions with excellent EMI performance.

Products

Linear & low-dropout (LDO) regulators

TLV709—150-mA 30-V low-dropout (LDO) linear regulator with 3.2-μA supply current

TPS7B86-Q1—Automotive 500-mA, 40-V, ultra-low-IQ, low-dropout (LDO) linear regulator with power good

TPS709—150-mA, 30-V, ultra-low-IQ, low-dropout voltage regulator with reverse current protection and enable

TPS7B81—150-mA, off-battery (40-V), ultra-low-IQ, low-dropout (LDO) voltage regulator with enable

Buck converters (integrated switch)

LMR43610—3-V to 36-V, 1-A low-EMI synchronous buck regulator with low IQ

LMR38020-Q1—Automotive SIMPLE SWITCHER® power converter 4.2-V to 80-V, 2-A, synchronous buck converter

LMR54410—SIMPLE SWITCHER® power converter 4.5-V to 36-V, 1-A, synchronous buck with 80-µA IQ

Buck modules (integrated inductor)

TPSM365R3—3-V to 65-V input, 1-V to 13-V output, 0.3-A synchronous buck converter power module

Boost converters (integrated switch)

TPS61376—25-V, 4.5-A, boost converter with 2.5% accuracy input average current limit & true disconnection

TLV61046A—28-V Output Voltage Boost Converter with Power Diode and Isolation Switch

TPS61299—95-nA low IQ 5.5-V boost converter with input current limit and fast transient performance

TPS61093—Low Input, 20V/1.1A Step-Up DC/DC Converter with Integrated Power Diode and Input/Output Isolation

Buck controllers (external switch)

LM5146—100-V synchronous buck DC/DC controller with wide duty-cycle range

Input user interface

The input user interface provides highly robust and reliable solutions for trigger switches, speed dials, buttons and sliders, as well as touch and proximity detection. Easily design in these features while achieving ultra low power consumption and resistance to moisture and EMI (especially conducted noise).

Products

MSP430 microcontrollers

MSP430FR2100—16 MHz MCU with 1KB FRAM, 0.5KB SRAM, comparator, 10-bit ADC, UART/SPI, timer

MSP430FR2110—16 MHz MCU with 2KB FRAM, 1KB SRAM, comparator, 10-bit ADC, UART/SPI, timer

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

MSP430FR2111—16 MHz MCU with 4KB FRAM, 1KB SRAM, comparator, 10-bit ADC, UART/SPI, timer

Inductive sensor AFEs

LDC0851—Differential inductive switch for MCU-less applications

LDC1314—4-Ch, 12-bit, general purpose inductance to digital converter

LDC1612—2-Ch, 28-bit, high-resolution Inductance to digital converter

LDC1614—4-Ch, 28-bit, high-resolution Inductance to digital converter

Wired interface

Protected and robust connectivity solutions (isolated & non-isolated) that support common standards such as SPI, I2C, SMBUS, CAN, LIN, RS485, etc. and other proprietary protocols.

Products

RS-485 & RS-422 transceivers

THVD2410—±70-V fault-protected 3.3-V to 5-V RS-485 transceiver with IEC ESD

SN65HVD70—3.3V, Full-Duplex RS-485, 12kV IEC ESD, 400kbps data rate, w/Enables

SN65HVD3082E—Half-duplex RS-485 transceiver

THVD1500—5-V RS-485 transceiver up to 500 kbps with ±8-kV IEC ESD protection

I2C general-purpose I/Os (GPIOs)

PCA9536—4-bit 2.3- to 5.5-V I2C/SMBus I/O expander with config registers

RS-232 transceivers

TRS3221E—3- to 5.5-V single channel 250kbps RS-232 line driver/receiver with +/-15-kV IEC-ESD protection

MAX3232E—3- to 5.5-V dual channel 250kbps RS-232 line driver/receiver with +/-15-kV IEC-ESD protection

TRS3122E—1.65- to 5.5-V 1Mbps RS-232 line driver/receiver with logic supply pin & +/-15-kV IEC-ESD protection

Noninverting buffers & drivers

SN74LVC1G17—Single 1.65-V to 5.5-V buffer with Schmitt-Trigger inputs

SN74LVC1G125—Single 1.65-V to 5.5-V buffer with 3-state outputs

SN74AUP1G125—Single 0.8-V to 3.6-V low power buffer with 3-state outputs

Wireless interface

Robust, power efficient and highly secure solutions and qualified modules easily enable the addition of Wi-Fi and/or BLE connectivity.

Products

Low-power 2.4-GHz products

CC2651R3—SimpleLink™ 32-bit Arm® Cortex®-M4 single-protocol 2.4-GHz wireless MCU with 352-kB flashCC2640—SimpleLink™ 32-bit Arm Cortex-M3 Bluetooth® Low Energy wireless MCU with 128kB Flash

CC2650MODA—SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol 2.4 GHz wireless module with 128kB Flash

CC2640R2F—SimpleLink™ 32-bit Arm® Cortex®-M3 Bluetooth® 5.1 Low Energy wireless MCU with 128-kB flash

Other wireless products

CC2592—2.4 GHz range extender with up to +22 dBm output power


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