TIDA-010008

Flat-Clamp TVS based Reference Design for Protection Against Transient for Grid Applications

TIDA-010008

Design files

Overview

This reference design features multiple approaches for  protecting AC or DC analog input, DC analog output, AC or DC binary input, digital output with a high side or low side driver, LCD bias supply, USB interfaces (power and data) and onboard power supplies with 24, 12 or 5V input used in multiple grid applications against overvoltage, overload and transients (1.2/50 us, 42-Ω) using flat-clamp surge protection, ESD devices, eFuse or a load switch. The design  monitors temperature, humidity, magnetic fields and power supplies for diagnostics.

Features
  • Protecting AC or DC analog inputs or outputs against overvoltage and transients ( ±1.5 KV) interfaced to the ADS8688  (±20-V) , ADS8588S (±15-V ) input range, and DAC8771 with ±15-V output range
  • Input overvoltage and current sensor open protection for AC inputs interfaced to ADS131E08 or ADS131A04 with ±4-V input range
  • Protecting digital IO against overvoltage and transients for 24-V or 48-V rated binary inputs or outputs using voltage detector, self-powered isolated digital input receiver and digital output driver rated for 24-V output with high-side or low-side drive capability
  • Generation of analog power supplies including dual supply for AC analog input measurement from a single 5-V input and accurate, stable references for SAR or Delta-Sigma ADC
  • Protecting onboard power supplies against  transients and overload including ±12-V, LCD bias supply configured for 18 V, USB power supply with programmable or fixed output current limit and differential USB data lines

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

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

TIDUEC1B.PDF (3594 K)

Reference design overview and verified performance test data

TIDRWT6B.ZIP (1855 K)

Detailed schematic diagram for design layout and components

TIDRWT7B.ZIP (726 K)

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

TIDRWT8B.ZIP (1355 K)

Detailed overview of design layout for component placement

TIDRWU0B.ZIP (12766 K)

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

TIDCET3B.ZIP (1597 K)

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

TIDRWT9B.ZIP (4999 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

AND gates

SN74LVC1G08Single 2-input, 1.65-V to 5.5-V AND gate

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Analog temperature sensors

LMT841.5V-Capable, 10 uA Analog Output Temperature Sensor in SC70 and TO-92

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Buck modules (integrated inductor)

LMZ14201SIMPLE SWITCHER® 6V to 42V, 1A Power Module in Leaded Surface Mount TO Package

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Buck modules (integrated inductor)

LMZ217003V to 17V, 0.65A Step-Down DC/DC Power Module in 3.5mm × 3.5mm Package

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Buck modules (integrated inductor)

LMZ217013V to 17V, 1A Step-Down DC/DC Power Module in 3.5mm × 3.5mm Package

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Charge pumps (inductorless)

TPS60141Regulated 5-V Charge Pump Voltage Tripler With Power Good Indicator

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Comparators

TLV32015.5-V, high-speed, single push-pull comparator

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Digital temperature sensors

LM75B±2°C, 3.0V to 5.5V industry standard temperature sensor with I2C/SMBus interface

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Digital temperature sensors

TMP75B1.4V-Capable Temperature Sensor with I2C/SMBus Interface in LM75 Form Factor & Pinout

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ESD & surge protection ICs

TPD1E10B0612-pF, ±5.5V, ±30-kV ESD protection diode in 0402 and SOD-523 package

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ESD & surge protection ICs

TPD2E007Dual 15-pF, ±13-V, ±8-kV ESD protection diode for AC Signal Data Interfaces

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ESD & surge protection ICs

TPD4S012Quad 0.8-pF, 5.5-V, ±8-kV ESD protection diode with 15-V tolerant Vbus for USB Interface

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ESD & surge protection ICs

TVS05005V flat-clamp surge protection device

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ESD & surge protection ICs

TVS07017-V bidirectional flat-clamp surge protection device

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ESD & surge protection ICs

TVS140014V flat-clamp surge protection device

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ESD & surge protection ICs

TVS140114-V bidirectional flat-clamp surge protection device

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ESD & surge protection ICs

TVS180018V flat-clamp surge protection device

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ESD & surge protection ICs

TVS180118-V bidirectional flat-clamp surge protection device

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ESD & surge protection ICs

TVS220022V flat-clamp surge protection device

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ESD & surge protection ICs

TVS220122-V bidirectional flat-clamp surge protection device

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ESD & surge protection ICs

TVS270027V flat-clamp surge protection device

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ESD & surge protection ICs

TVS270127-V bidirectional flat-clamp surge protection device

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ESD & surge protection ICs

TVS330033V flat-Clamp surge protection device

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ESD & surge protection ICs

TVS330133 V Bidirectional Flat-Clamp surge protection device

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General-purpose op amps

OPA2171Dual, 36-V, 3-MHz, low-power operational amplifier

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General-purpose op amps

TLV2171Dual, 36-V, 3-MHz, low-power operational amplifier for cost-sensitive applications

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General-purpose op amps

TLV9062Dual, 5.5-V, 10-MHz operational amplifier

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Hall-effect latches & switches

DRV5032Low power (5 Hz, <1µA), low voltage (up to 5.5V) switch

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Hall-effect latches & switches

DRV5033High voltage (up to 38V), high bandwidth (up to 30 kHz) omnipolar switch

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High-side switches

TPS27S10040-V, 80-mΩ, 4-A, 1-ch, Industrial high-side switch with adjustable current limit

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Humidity sensors

HDC10802% RH low-power digital relative humidity sensor

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Ideal diode/ORing controllers

LM74610-Q10.48-V to 42-V, zero IQ automotive ideal diode controller

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Ideal diode/ORing controllers

LM74700-Q13.2-V to 65-V, 80-uA IQ automotive ideal diode controller

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Inverting buffers & drivers

SN74LVC1G04Single 1.65-V to 5.5-V inverter

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Inverting buffers & drivers

SN74LVC1G06Single 1.65-V to 5.5-V inverter with open-drain outputs

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Inverting buffers & drivers

SN74LVC1G14Single 1.65-V to 5.5-V inverter with Schmitt-Trigger inputs

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Isolated digital inputs

ISO1212Dual-channel Isolated 24-V to 60-V digital input receiver for digital input modules

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LCD & OLED display power & drivers

TPS65131Split-Rail Converter with Dual, Positive and Negative Outputs (750mA typ)

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Linear & low-dropout (LDO) regulators

TLV1117LV1-A, low-dropout voltage regulator

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Linear & low-dropout (LDO) regulators

TLV702300-mA, high-PSRR, low-IQ, low-dropout voltage regulator with enable

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Linear & low-dropout (LDO) regulators

TLV704150-mA, 24-V, ultra-low-IQ, low-dropout voltage regulator

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Linear & low-dropout (LDO) regulators

TPS709150-mA, 30-V, ultra-low-IQ, low-dropout voltage regulator with reverse current protection and enable

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Linear & low-dropout (LDO) regulators

TPS7A39150-mA, 33-V, low-noise, high-PSRR, dual-channel positive & negative low-dropout voltage regulator

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Linear & low-dropout (LDO) regulators

TPS7B69-Q1Automotive 150-mA, off-battery (40-V), high-PSRR, low-IQ, low-dropout voltage regulator

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Load switches

TPS2281018-V, 3-A, 79-mΩ load switch with adj. rise time and adj. output discharge

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Load switches

TPS229445.5-V, 0.1-A, 500-mΩ, load switch with current limit and active high enable

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Load switches

TPS229465.5-V, 0.15-A, 400-mΩ load switch with selectable current limit

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Load switches

TPS229655.7-V, 6-A, 16-mΩ load switch with adj. rise time and optional output discharge

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N-channel MOSFETs

CSD17571Q230-V, N channel NexFET™ power MOSFET, single SON 2 mm x 2 mm, 29 mOhm

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N-channel MOSFETs

CSD17577Q3A30-V, N channel NexFET™ power MOSFET, single SON 3 mm x 3 mm, 6.4 mOhm

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N-channel MOSFETs

CSD18543Q3A60-V, N channel NexFET™ power MOSFET, single SON 3 mm x 3 mm, 9.9 mOhm

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Noninverting buffers & drivers

SN74LVC1G07Single 1.65-V to 5.5-V buffer with open-drain outputs

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Noninverting buffers & drivers

SN74LVC1G125Single 1.65-V to 5.5-V buffer with 3-state outputs

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Noninverting buffers & drivers

SN74LVC1G17Single 1.65-V to 5.5-V buffer with Schmitt-Trigger inputs

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Power muxes

TPS21212.7-V to 22-V, 56-mΩ, 4.5-A, power mux with seamless switchover

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Precision op amps (Vos<1mV)

OPA21880.03µV/°C, 6µV Vos, Low Noise, Rail-to-Rail Output, 36V Zero-Drift Operational Amplifier

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Series voltage references

REF30202.048-V, 50-ppm/°C, 50-µA in 3-pin SOT-23 package series (bandgap) voltage reference

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Series voltage references

REF34404.1-V, low-drift, low-power, small-footprint series voltage reference

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Series voltage references

REF50252.5-V, 3-µVpp/V noise, 3-ppm/°C drift precision series voltage reference

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Series voltage references

REF50404.096-V, 3-µVpp/V noise, 3-ppm/°C drift precision series voltage reference

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Signal isolators with integrated power

ISOW7821Dual-channel, 1/1, reinforced digital isolator with integrated power

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Stepper motor drivers

DRV880360-V, 2.3-A, quad low-side motor driver with PWM control

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Supervisor & reset ICs

LM8365Active-low reset IC with low quiescent current & programmable output delay

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Supervisor & reset ICs

TPS3700High-voltage (18-V) window voltage detector for overvoltage and undervoltage monitoring

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Supervisor & reset ICs

TPS3710Wide-VIN voltage detector

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Supervisor & reset ICs

TPS3803Low-power voltage detector

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USB power switches & charging port controllers

TPS2051B0.5A loading, 2.7-5.5V, 70mΩ USB power switch, active-high

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USB power switches & charging port controllers

TPS25530.075-1.7A adj. ILIMIT, 2.5-6.5V, 85mΩ USB power switch, active-high, reverse blocking

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eFuses & hot swap controllers

TPS25921L4.5-V to 18-V, 90mΩ, 0.4-1.6A eFuse with latch off fault response

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eFuses & hot swap controllers

TPS25962.7-V to 19-V, 85mΩ, 0.13-2A eFuse with selectable over voltage protection clamp in leaded package

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eFuses & hot swap controllers

TPS26604.2-V to 60-V, 150mΩ, 0.1-2.23A eFuse with integrated input reverse polarity protection

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Technical documentation

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* Design guide Flat-Clamp TVS Based Reference Design for Protection Against Transients (Rev. B) Jul. 03, 2019

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