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LMP8603-Q1

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AEC-Q100, -22 to 60V, bi-directional current sense amplifier w/ in-line filter capability

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Data sheet

LMP8603-Q1

ACTIVE
Data sheet Order now

Product details

Product type Analog output Common-mode voltage (max) (V) 60 Common-mode voltage (min) (V) -22 Input offset (±) (max) (µV) 1000 Input offset drift (±) (typ) (µV/°C) 2 Features Bidirectional, Low-side Capable Rating Automotive Voltage gain (V/V) 100 CMRR (min) (dB) 90 Bandwidth (kHz) 60 Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 3 Iq (max) (mA) 1.5 Number of channels 1 Comparators (#) 0 Gain error (%) 0.5 Gain error drift (±) (max) (ppm/°C) 20 Slew rate (V/µs) 0.4 Operating temperature range (°C) -40 to 125
Product type Analog output Common-mode voltage (max) (V) 60 Common-mode voltage (min) (V) -22 Input offset (±) (max) (µV) 1000 Input offset drift (±) (typ) (µV/°C) 2 Features Bidirectional, Low-side Capable Rating Automotive Voltage gain (V/V) 100 CMRR (min) (dB) 90 Bandwidth (kHz) 60 Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 3 Iq (max) (mA) 1.5 Number of channels 1 Comparators (#) 0 Gain error (%) 0.5 Gain error drift (±) (max) (ppm/°C) 20 Slew rate (V/µs) 0.4 Operating temperature range (°C) -40 to 125
SOIC (D) 8 29.4 mm² 4.9 x 6 VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • Gain = 20x for LMP8601 and LMP8601-Q1
  • Gain = 50x for LMP8602 and LMP8602-Q1
  • Gain = 100x for LMP8603 and LMP8603-Q1
  • TCVOS: 10 µV/°C Maximum
  • CMRR: 90-dB Minimum
  • Input Offset Voltage: 1-mV Maximum
  • CMVR at VS = 3.3 V: –4 V to 27 V
  • CMVR at VS = 5 V: –22 V to 60 V
  • Single-Supply Bidirectional Operation
  • All Minimum and Maximum Limits 100% Tested
  • Q1 Devices Qualified for Automotive Applications
  • Q1 Devices ACE-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device Temperature Grade 0: –40°C to 150°C (LMP8601EDRQ1 Only)
    • Device HBM ESD Classification Level 2
      (3A on inputs)
    • Device CDM ESD Classification Level C6
    • Device MM ESD Classification Level M2
  • Gain = 20x for LMP8601 and LMP8601-Q1
  • Gain = 50x for LMP8602 and LMP8602-Q1
  • Gain = 100x for LMP8603 and LMP8603-Q1
  • TCVOS: 10 µV/°C Maximum
  • CMRR: 90-dB Minimum
  • Input Offset Voltage: 1-mV Maximum
  • CMVR at VS = 3.3 V: –4 V to 27 V
  • CMVR at VS = 5 V: –22 V to 60 V
  • Single-Supply Bidirectional Operation
  • All Minimum and Maximum Limits 100% Tested
  • Q1 Devices Qualified for Automotive Applications
  • Q1 Devices ACE-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device Temperature Grade 0: –40°C to 150°C (LMP8601EDRQ1 Only)
    • Device HBM ESD Classification Level 2
      (3A on inputs)
    • Device CDM ESD Classification Level C6
    • Device MM ESD Classification Level M2

The LMP8601, LMP8602, LMP8603 (LMP860x) and LMP8601-Q1, LMP8602-Q1, LMP8603-Q1 (LMP860x-Q1) devices are fixed-gain, precision current-sense amplifiers (also referred to as current-shunt monitors). The input common-mode voltage range is –22 V to +60 V when operating from a single 5-V supply, or –4 V to +27 V with a 3.3-V supply. The LMP860x and LMP860x-Q1 are ideal parts for unidirectional and bidirectional current sensing applications.

These devices have a precise gain of 20x (LPM8601, LPM8601-Q1), 50x (LPM8602, LPM8602-Q1), and 100x (LPM8603, LPM8603-Q1), and are adequate in most targeted applications to drive an ADC to full-scale value. The fixed gain is achieved in two separate stages: a preamplifier with a gain of 10x and an output stage buffer amplifier with a gain of 2x (LMP8601, LMP8601-Q1), 5x (LMP8602, LMP8602-Q1), or 10x (LMP8603, LMP8603-Q1). The path between the two stages is brought out on two pins to enable the option of an additional filter network or modifying the gain.

The offset input pin enables these devices for unidirectional or bidirectional single supply voltage current sensing.

The LMP860x-Q1 devices incorporate enhanced manufacturing and support processes for the automotive market and are compliant with the AEC-Q100 standard.

The LMP8601, LMP8602, LMP8603 (LMP860x) and LMP8601-Q1, LMP8602-Q1, LMP8603-Q1 (LMP860x-Q1) devices are fixed-gain, precision current-sense amplifiers (also referred to as current-shunt monitors). The input common-mode voltage range is –22 V to +60 V when operating from a single 5-V supply, or –4 V to +27 V with a 3.3-V supply. The LMP860x and LMP860x-Q1 are ideal parts for unidirectional and bidirectional current sensing applications.

These devices have a precise gain of 20x (LPM8601, LPM8601-Q1), 50x (LPM8602, LPM8602-Q1), and 100x (LPM8603, LPM8603-Q1), and are adequate in most targeted applications to drive an ADC to full-scale value. The fixed gain is achieved in two separate stages: a preamplifier with a gain of 10x and an output stage buffer amplifier with a gain of 2x (LMP8601, LMP8601-Q1), 5x (LMP8602, LMP8602-Q1), or 10x (LMP8603, LMP8603-Q1). The path between the two stages is brought out on two pins to enable the option of an additional filter network or modifying the gain.

The offset input pin enables these devices for unidirectional or bidirectional single supply voltage current sensing.

The LMP860x-Q1 devices incorporate enhanced manufacturing and support processes for the automotive market and are compliant with the AEC-Q100 standard.
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Technical documentation

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Type Title Date
* Data sheet LMP860x, LMP860x-Q1 60-V, Bidirectional, Low- or High-Side, Voltage-Output, Current-Sensing Amplifiers datasheet (Rev. H) PDF | HTML 27 Apr 2016
Application note Risks and Prevention of ESD, EOS, and Latch Up Events for Current Sense Amplifiers PDF | HTML 18 Nov 2024
Application brief Low-Drift, Precision, In-Line Motor Current Measurements With PWM Rejection (Rev. D) PDF | HTML 07 Apr 2023
Application brief Switching Power Supply Current Measurements (Rev. E) PDF | HTML 07 Apr 2023
Application note Using a PCB Copper Trace as a Current-Sense Shunt Resistor PDF | HTML 25 Jan 2022
Application brief Benefits of Intergated Low Inductive Shunt for PWM Applications 17 Jun 2017
Application brief Precision LED Brightness and Color Mixing With Discrete Current Sense Amplifiers 28 Feb 2017

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Simulation model

LMP8603 PSPICE Model (Rev. A)

SNOM086A.ZIP (18 KB) - PSpice Model
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Calculation tool

CS-AMPLIFIER-ERROR-TOOL — Current Sense Amplifier Comparison and Error Tool

This Excel calculator provides a comparison between two and five of our standard current sense amplifiers, delivering a chart containing the basic parameters of each device. This calculator also takes system condition inputs from users such as common-mode voltage, supply voltage, shunt resistor (...)
Supported products & hardware

Supported products & hardware

Products
Digital power monitors
  • INA2227 — Dual-channel 16-bit E3-driver-capable current, voltage, power and energy monitor with I²C interface
  • INA4230 — Quad-channel, 16-bit high-precision E3-driver-capable current, voltage, power and energy monitor
  • INA4235 — Quad channel, 16-bit, ultra-precise, current, voltage, power and energy monitor with I²C Interface
  • LMP92064 — 2V, 12-bit, fast simultaneous sampling SPI output current/voltage monitor
  • INA209 — 26V, 12-bit, i2c output current/voltage/power monitor w/ analog comparator
  • INA219 — 26-V 12-bit I2C output digital power monitor
  • INA220 — 26V, 12-bit, i2c output current/voltage/power monitor
  • INA220-Q1 — AEC-Q100, 26V, 12-bit, i2c output current/voltage/power monitor
  • INA226 — 36V, 16-bit, ultra-precise i2c output current/voltage/power monitor w/alert
  • INA226-Q1 — AEC-Q100, 36V, 16-bit, ultra-precise, i2c output current/voltage/power monitor w/alert
  • INA228 — 85V, 20-bit I²C-output E3-driver-capable current, voltage, power, energy, charge monitor with alert
  • INA228-Q1 — AEC-Q100, 85-V, 20-bit, ultraprecise, I²C output current/voltage/power/energy/charge monitor
  • INA229 — 85-V, 20-bit, ultra-precise, SPI output current/voltage/power/energy/charge monitor with alert
  • INA229-Q1 — AEC-Q100, 85-V, 20-bit, ultraprecise, SPI output current/voltage/power/energy/charge monitor
  • INA230 — 36-V, 16-bit, I²C output current, voltage and power monitor with alert
  • INA231 — 28V, 16-bit, i2c output current/voltage/power monitor w/alert in wcsp
  • INA232 — 48-V, 16-bit high-precision I²C output digital power monitor with alert
  • INA233 — 36V, 16-bit, ultra-precise i2c & pmbus output current/voltage/power/energy monitor w/alert
  • INA234 — 28-V, 12-bit, I²C output current/voltage/power monitor with alert in WCSP
  • INA236 — 48-V, 16-bit ultraprecise I²C output digital power monitor with alert in WCSP
  • INA237 — 85-V, 16-bit, I2C output current/voltage/power monitor with alert
  • INA237-Q1 — AEC-Q100, 85-V, 16-bit, I²C output current/voltage/charge monitor
  • INA238-Q1 — AEC-Q100, 85-V, 16-bit, high-precision, I²C output current/voltage/charge monitor
  • INA239 — 85-V, 16-bit, high-precision, SPI output current/voltage/power monitor with alert
  • INA239-Q1 — AEC-Q100, 85-V, 16-bit, high-precision, SPI output current/voltage/power monitor
  • INA3221 — 26V, triple channel, 13-bit, i2c output current/voltage monitor w/alerts
  • INA3221-Q1 — AEC-Q100, 26V, triple channel, 13-bit, i2c output current/voltage monitor w/alerts
  • INA238 — 85-V, 16-bit, high-precision I2C output current/voltage/power monitor with alert
Analog current-sense amplifiers
  • INA180 — 26V, 350kHz current sense amplifier
  • INA180-Q1 — AEC-Q100, 26V, 350kHz current sense amplifier
  • INA181 — 26-V bi-directional 350-kHz current-sense amplifier
  • INA181-Q1 — AEC-Q100, 26V, bi-directional, 350kHz current sense amplifier
  • INA183 — 2.7-V to 26-V, high-precision current sense amplifier with input supply
  • INA185 — 26-V, 350-kHz, bi-directional, high-precision current sense amplifier in ultra-small SOT-563 package
  • INA185-Q1 — AEC-Q100, 26-V, 350-kHz, bi-directional, high-precision current sense amplifier
  • INA186 — 40-V, bidirectional, high-precision current sense amplifier with picoamp input bias & ENABLE
  • INA186-Q1 — AEC-Q100, 40-V, bidirectional, high-precision current sense amplifier w/ picoamp input bias & ENABLE
  • INA187 — -2V to 40V, bidirectional 650 kHz precise current-sense amplifier
  • INA187-Q1 — AEC-Q100 qualified, -2V to 40V, bidirectional 650kHz precise current-sense amplifier
  • INA190 — 40-V, bidirectional, ultraprecise current sense amplifier with picoamp IB & ENABLE
  • INA190-Q1 — AEC-Q100, 40V, bi-directional, ultra-precise current sense amplifier w/picoamp IB & ENABLE
  • INA191 — 40V, ultra-precise current sense amplifier with ENABLE and picoamp IB in WCSP
  • INA193 — -16 to 80V, 500kHz current sense amplifier
  • INA193A-EP — Enhanced product, -16 to 80V, 500-kHz current sense amplifier
  • INA193A-Q1 — AEC-Q100, -16 to 80V, 500kHz current sense amplifier
  • INA194 — -16 to 80V, 500kHz current sense amplifier
  • INA194A-Q1 — AEC-Q100, -16 to 80V, 500kHz current sense amplifier
  • INA195 — -16 to 80V, 500kHz current sense amplifier
  • INA195A-Q1 — AEC-Q100, -16 to 80V, 500kHz current sense amplifier
  • INA196 — -16 to 80V, 500kHz current sense amplifier
  • INA196A-Q1 — AEC-Q100, -16 to 80V, 500kHz current sense amplifier
  • INA197 — -16 to 80V, 500kHz current sense amplifier
  • INA197A-Q1 — AEC-Q100, -16 to 80V, 500kHz current sense amplifier
  • INA198 — -16 to 80V, 500kHz current sense amplifier
  • INA198A-Q1 — AEC-Q100, -16 to 80V, 500kHz current sense amplifier
  • INA199 — 26V, bi-directional current sense amplifier
  • INA199-Q1 — AEC-Q100, 26V, bi-directional current sense amplifier
  • INA200 — -16 to 80V, 500kHz current sense amplifier w/ comparator
  • INA200-Q1 — AEC-Q100, -16 to 80V, 500kHz current sense amplifier w/ comparator
  • INA201 — -16 to 80V, 500kHz current sense amplifier w/ comparator
  • INA201-Q1 — AEC-Q100, -16 to 80V, 500kHz current sense amplifier w/ comparator
  • INA202 — -16 to 80V, 500kHz current sense amplifier w/ comparator
  • INA202-Q1 — AEC-Q100, -16 to 80V, 500kHz current sense amplifier w/ comparator
  • INA203 — -16 to 80V, 500kHz current sense amplifier w/ dual comparators
  • INA203-Q1 — AEC-Q100, -16 to 80V, 500kHz current sense amplifier w/ dual comparators
  • INA204 — -16 to 80V, 500kHz current sense amplifier w/ dual comparators
  • INA205 — -16 to 80V, 500kHz current sense amplifier w/ dual comparators
  • INA206 — -16 to 80V, 500kHz current sense amplifier w/ window comparator
  • INA207 — -16 to 80V, 500kHz current sense amplifier w/ window comparator
  • INA208 — -16 to 80V, 500kHz current sense amplifier w/ window comparator
  • INA210 — 26V, bi-directional, high-precision current sense amplifier
  • INA210-Q1 — AEC-Q100, 26V, bi-directional, high-precision current sense amplifier
  • INA211 — 26V, bi-directional, high-precision current sense amplifier
  • INA211-Q1 — AEC-Q100, 26V, bi-directional, high-precision current sense amplifier
  • INA212 — 26V, bi-directional, high-precision current sense amplifier
  • INA212-Q1 — AEC-Q100, 26V, bi-directional, high-precision current sense amplifier
  • INA213 — 26V, bi-directional, high-precision current sense amplifier
  • INA213-Q1 — AEC-Q100, 26V, bi-directional, high-precision current sense amplifier
  • INA214 — 26V, bi-directional, high-precision current sense amplifier
  • INA214-Q1 — AEC-Q100, 26V, bi-directional, high-precision current sense amplifier
  • INA215 — 26V, bi-directional, high-precision current sense amplifier
  • INA215-Q1 — AEC-Q100, 26V, bi-directional, high-precision current sense amplifier
  • INA216 — 1.8 to 5.5V, high-precision current sense amplifier in wcsp
  • INA2180 — 26V, dual channel, 350kHz current sense amplifier
  • INA2180-Q1 — AEC-Q100, 26V, dual channel, 350kHz current sense amplifier
  • INA2181 — 26V, dual channel, bi-directional, 350kHz current sense amplifier
  • INA2181-Q1 — AEC-Q100, 26V, dual channel, bi-directional, 350kHz current sense amplifier
  • INA2191 — 40-V, dual-channel, bidirectional, ultraprecise current sense amp w/ picoamp IB & ENABLE in wcsp
  • INA223 — 26V, programmable-gain current sense amplifier & analog power monitor
  • INA225 — 36V, bi-directional current sense amplifier w/ four pin-selectable gain settings
  • INA225-Q1 — AEC-Q100, 36V, bi-directional current sense amplifier w/ four pin-selectable gain settings
  • INA2290 — Dual-channel, 2.7-V to 120-V, 1.1-MHz, ultra-precise current sense amplifier
  • INA240 — -4 to 80V, bidirectional, ultra-precise current sense amplifier with enhanced PWM rejection
  • INA240-Q1 — AEC-Q100, -4 to 80V, bi-directional, ultra-precise current sense amplifier w/ enhanced pwm rejection
  • INA241A — -5-V to 110-V bidirectional ultraprecise current sense amplifier with enhanced PWM rejection
  • INA241A-Q1 — AEC-Q100, -4V to 110V bidirectional ultraprecise current sense amplifier with enhanced PWM rejection
  • INA241B — -5-V to 110-V bidirectional high-precision current sense amplifier with enhanced PWM rejection
  • INA241B-Q1 — AEC-Q100, -4V to 110V bidirectional high-precision current sense amp with enhanced PWM rejection
  • INA270 — -16 to 80V, split-stage current sense amplifier w/ in-line filter capability
  • INA270A-Q1 — AEC-Q100, -16 to 80V, split-stage current sense amplifier w/ in-line filter capability
  • INA271 — -16 to 80V, split-stage current sense amplifier w/ in-line filter capability
  • INA271-HT — High temp, -16 to 80V, split-stage current sense amplifier w/ in-line filter capability
  • INA271A-Q1 — AEC-Q100, -16 to 80V, split-stage current sense amplifier w/ in-line filter capability
  • INA280 — 2.7-V to 120-V, 1.1-MHz, high-precision current sense amplifier in small (SC-70) package
  • INA280-Q1 — AEC-Q100, 2.7-V to 120-V, 1.1-Mhz current sense amplifier in small (SC-70) package
  • INA281 — -4-V to 110-V, 1.3-MHz, high-precision current sense amplifier
  • INA281-Q1 — AEC-Q100, -4-V to 110-V, 1.3-MHz current sense amplifier
  • INA282 — -14 to 80V, bi-directional current sense amplifier
  • INA282-Q1 — AEC-Q100, -14 to 80V, bi-directional current sense amplifier
  • INA283 — -14 to 80V, bi-directional current sense amplifier
  • INA283-Q1 — AEC-Q100, -14 to 80V, bi-directional current sense amplifier
  • INA284 — -14 to 80V, bi-directional current sense amplifier
  • INA284-Q1 — AEC-Q100, -14 to 80V, bi-directional current sense amplifier
  • INA285 — -14 to 80V, bi-directional current sense amplifier
  • INA285-Q1 — AEC-Q100, -14 to 80V, bi-directional current sense amplifier
  • INA286 — -14 to 80V, bi-directional current sense amplifier
  • INA286-Q1 — AEC-Q100, -14 to 80V, bi-directional current sense amplifier
  • INA290 — 2.7 to 120V, 1.1MHz, ultra-precise current sense amplifier in small (SC-70) package
  • INA290-Q1 — AEC-Q100, 2.7-V to 120-V, 1.1-MHz, ultra-precise current sense amplifier in small (SC-70) package
  • INA293 — -4-V to 110-V, 1.3-MHz, ultra-precise current sense amplifier
  • INA293-Q1 — AEC-Q100, -4-V to 110-V, 1.3-MHz, ultra-precise current sense amplifier
  • INA296A — -5-V to 110-V, bidirectional, 1.1-MHz 8-V/µs ultraprecise current sense amplifier
  • INA296A-Q1 — AEC-Q100, -5V to 110V, bidirectional, 1.1-MHz 8-V/µs ultraprecise current sense amplifier
  • INA296B — -5-V to 110-V, bidirectional, 1.1-MHz 8-V/µs high-precision current sense amplifier
  • INA296B-Q1 — AEC-Q100, -5V to 110V, bidirectional, 1.1-MHz 8-V/µs high-precision current sense amplifier
  • INA299 — -2V to 80V, bidirectional 650 kHz precise current-sense amplifier
  • INA299-Q1 — AEC-Q100 qualified, -2V to 80V, bidirectional 650kHz precise current-sense amplifier
  • INA301 — 36V, 550kHz, 4V/µs, high-precision current sense amplifier w/ comparator
  • INA301-Q1 — AEC-Q100, 36V, 550kHz, 4V/µs, high-precision current sense amplifier w/ comparator
  • INA302 — 36V, bi-directional, 550kHz, 4V/µs, high-precision current sense amplifier w/ dual comparators
  • INA302-Q1 — AEC-Q100, 36V, bi-directional, 550kHz, 4V/µs, high-precision current sense amp w/ dual comparators
  • INA303 — 36V, bi-directional, 550kHz, 4V/µs, high-precision current sense amplifier w/ window comparator
  • INA303-Q1 — AEC-Q100, 36V, bi-directional, 550kHz, 4V/µs, high-precision current sense amp w/ window comparator
  • INA310A — -4-V to 110-V, 1.3-MHz, ultra-precise current-sense amplifier with comparator
  • INA310A-Q1 — AEC-Q100 -4-V to 110-V 1.3-MHz ultra-precise current-sense amplifier with comparator and reference
  • INA310B — -4-V to 110-V 1.3-MHz high-precision current-sense amplifier with comparator
  • INA310B-Q1 — AEC-Q100 -4-V to 110-V 1.3-MHz high precision current-sense amplifier with comparator and reference
  • INA381 — 26-V, 350-kHz current sense amplifier with integrated over-current comparator
  • INA381-Q1 — AEC-Q100, 26-V, 350-kHz current sense amplifier with integrated overcurrent comparator
  • INA4180 — 26V, quad channel, 350kHz current sense amplifier
  • INA4180-Q1 — AEC-Q100, 26V, quad channel, 350kHz current sense amplifier
  • INA4181 — 26V, quad channel, bi-directional, 350kHz current sense amplifier
  • INA4181-Q1 — AEC-Q100, 26V, quad channel, bi-directional, 350kHz current sense amplifier
  • INA4290 — Quad-channel, 120-V, high-voltage, high-bandwidth, unidirectional current sense amplifier
  • INA901-SP — Radiation hardened, -15-V to 65-V, split-stage current sense amplifier with in-line filter option
  • LMP8278Q-Q1 — AEC-Q100, -2 to 40V, split-stage current sense amplifier w/ in-line filter capability
  • LMP8480 — 4 to 76V current sense amplifier
  • LMP8480-Q1 — AEC-Q100, 4 to 76V current sense amplifier
  • LMP8481 — 4 to 76V, bi-directional current sense amplifier
  • LMP8481-Q1 — AEC-Q100, 4 to 76V, bi-directional current sense amplifier
  • LMP8601 — -22 to 60V, bi-directional current sense amplifier w/ in-line filter capability
  • LMP8601-Q1 — AEC-Q100, -22 to 60V, bi-directional current sense amplifier w/ in-line filter capability
  • LMP8602 — -22 to 60V, bi-directional current sense amplifier w/ in-line filter capability
  • LMP8602-Q1 — AEC-Q100, -22 to 60V, bi-directional current sense amplifier w/ in-line filter capability
  • LMP8603 — -22 to 60V, bi-directional current sense amplifier w/ in-line filter capability
  • LMP8603-Q1 — AEC-Q100, -22 to 60V, bi-directional current sense amplifier w/ in-line filter capability
  • LMP8640 — -2 to 42V, 950kHz current sense amplifier
  • LMP8640-Q1 — AEC-Q100, -2 to 42V, 950kHz current sense amplifier
  • LMP8640HV — -2 to 76V, 950kHz current sense amplifier
  • INA190-EP — Enhanced product, 40-V, bidirectional, ultraprecise current sense amplifier with picoamp IB & EN
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Design tool

CIRCUIT060035 — Bidirectional current sensing with a window comparator circuit

This bidirectional current sensing solution uses a current-sense amplifier and a high-speed dual comparator with a rail-to-rail input common mode range to create over-current (OC) alert signals at the comparator outputs (OUTA and OUTB) if the input current (IG1) rises above 100 A or falls below (...)
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Design tool

CIRCUIT060037 — Precision over-current latch circuit

This high-side, current sensing solution uses a current sense amplifier, a comparator with an integrated reference and a P-channel MOSFET to create an over-current latch circuit. When a load current greater than 200 mA is detected, the circuit disconnects the system from its power source. The (...)
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Reference designs

TIDA-00302 — Current Shunt Monitor with Transient Robustness Reference Design

This high-side current shunt monitor is used to measure the voltage developed across a current-sensing resistor when current passes through it.

Additionally, an external protection circuit is implemented to provide surge and fast-transient protection and demonstrate the different immunity levels to (...)

Design guide: PDF
Schematic: PDF
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