INA185A1IDRLR

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INA185A1IDRLR

IC CURR SENSE 1 CIRCUIT SOT563

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規格

Supplier Texas Instruments
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
AmplifierType Current Sense
NumberofCircuits 1
OutputType Rail-to-Rail
SlewRate 2V/µs
GainBandwidthProduct 350 kHz
Current-InputBias 75 µA
Voltage-InputOffset 100 µV
Current-Supply 200µA
Voltage-SupplySpan(Min) 2.7 V
Voltage-SupplySpan(Max) 5.5 V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case SOT-563, SOT-666

概述

Description

INA185A1IDRLR is a Texas Instruments high‑side current‑sense amplifier (current shunt monitor) in an 8‑pin RoHS package. It measures the voltage drop across a sense resistor in the high-side current path and outputs a voltage that is proportional to the current. The A1 designation denotes a specific variant (gain/accuracy within the INA185 family). Key points:
- Single–supply operation (typical 2.7 V to 5.5 V)
- Wide input common‑mode range on the high side, enabling sensing close to the supply
- Low input offset and bias current for accurate current measurement
- Rail‑to‑rail output to maximize dynamic range within the supply
- Simple, compact package suitable for automotive and industrial applications
- Common uses: motor control, power supplies, battery management, and load current monitoring
Package: 8‑pin SOIC/MSOP/related RoHS lead‑free variant (IDRLR suffix). For exact gain, input ranges, and accuracy, consult the TI datasheet for the INA185A1IDRLR.

Features

INA185A1IDRLR features (concise):
- High-side current-sense amplifier for shunt monitoring
- Wide input common-mode range suitable for high-side sensing
- Differential input with low offset and drift; high CMRR
- Single-supply operation with rail-to-rail output
- 8-pin VSSOP package (IDRLR)
- Wide operating temperature: -40°C to 125°C
- Low quiescent current; suitable for battery-powered apps
- Robust EMI/ESD performance
- Applications: motor control, power supplies, battery management, DC-DC converters

Package

8-pin VSSOP (Very Small Outline Package), RoHS-compliant.

Pinout

- Pin count: 8 pins (8‑pin package).
- Function: TI INA185A1IDRLR is a current-sense amplifier (shunt monitor). It amplifies the differential voltage across a sense resistor and provides a output voltage proportional to the sensed current, typically including a reference (REF) pin to offset the output for bidirectional/current monitoring in power-management circuits.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI)
- What kind of company: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and signal-processing integrated circuits (e.g., amplifiers, data converters, sensors) for automotive, industrial, communications, and consumer markets. Publicly traded on NASDAQ (ADI).

Application

- High-side current sensing for switch-mode power supplies/DC-DC converters
- Automotive and industrial motor control and protection
- Battery management, charging, and protection circuits
- Power monitoring and overcurrent/fault protection
- Current feedback in power electronics, solar inverters, USB adapters, and distribution rails

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