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Bus Supply

±14 V to +80 V

Load

Zer -

Drift

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OUT

REF2

REF1

GND

2.7 V to 18 V

V+

+IN

±IN

Output

33.3 k

33.3 k

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INA282-Q1, INA283-Q1, INA284-Q1, INA285-Q1, INA286-Q1

SBOS554B – MARCH 2012 – REVISED DECEMBER 2015

INA28x-Q1 Automotive Grade, –14-V to +80-V, Bidirectional, High Accuracy,

Low- or High-Side, Voltage Output, Current Shunt Monitor

1 Features

3 Description

The INA28x-Q1 family includes the INA282-Q1,

1

•

Qualified for Automotive Applications

INA283-Q1, INA284-Q1, INA285-Q1, and INA286-Q1

•

AEC-Q100 Qualified With the Following Results

devices. These devices are voltage output current

–

Device Temperature Grade 1: –40°C to

shunt monitors that can sense drops across shunts at

+125°C Ambient Operating Temperature

common-mode voltages from –14 V to +80 V,

independent of the supply voltage. The low offset of

Range

the zero-drift architecture enables current sensing

–

Device HBM ESD Classification Level H2

with maximum drops across the shunt as low as 10

–

Device CDM ESD Classification Level C5

mV full-scale.

•

Wide Common-Mode Range: –14 V to +80 V

These current sense amplifiers operate from a single

•

Offset Voltage: ±20

μV

2.7-V to 18-V supply, drawing a maximum of 900

μA

of supply current. These devices are specified over

•

CMRR: 140 dB

the extended operating temperature range of –40°C

•

Accuracy:

to +125°C, and offered in SOIC-8 and VSSOP-8

–

±1.4% Gain Error (Maximum)

packages.

–

0.3

μV/°C Offset Drift

Device Information(1)

–

0.005%/°C Gain Drift (Maximum)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Available Gains:

INA28xAQDRQ1

SOIC (8)

4.90 mm × 3.91 mm

–

50 V/V: INA282-Q1

INA28xAQDGKRQ1

VSSOP (8)

3.00 mm × 3.00 mm

–

100 V/V: INA286-Q1

(1) For all available packages, see the package option addendum

–

200 V/V: INA283-Q1

at the end of the data sheet.

–

500 V/V: INA284-Q1

–

1000 V/V: INA285-Q1

•

Quiescent Current: 900

μA (Maximum)

Detailed Block Diagram

2 Applications

•

EV and HEV Battery Management

•

EV and HEV Chargers

•

Electric Power Steering (EPS) Systems

•

Body Control Modules

•

Brake Systems

•

Electronic Stability Control (ESC) Systems

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.