G

0.6V

Reference

Comparator

OUT

CMP

IN

CMP

OUT

V

IN-

V

IN+

INA200 (G = 20)

INA201 (G = 50)

INA202 (G = 100)

RESET

GND

V

S

2

3

4

6

5

7

8

1

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Reference

Design

INA200, INA201, INA202

SBOS374D – NOVEMBER 2006 – REVISED OCTOBER 2015

INA20x High-Side Measurement Current-Shunt Monitor

With Open-Drain Comparator and Reference

1 Features

3 Description

The INA200, INA201, and INA202 devices are high-

1

•

Complete Current Sense Solution

side current-shunt monitors with voltage output and

•

Three gain Options Available:

integrated comparator. The INA200–INA202 devices

–

INA200 = 20 V/V

can sense drops across shunts at common-mode

voltages from –16 V to 80 V. The INA200–INA202

–

INA201 = 50 V/V

devices are available with three output voltage

–

INA202 = 100 V/V

scales: 20 V/V, 50 V/V, and 100 V/V, with a

•

0.6-V Internal Voltage Reference

bandwidth up to 500-kHz.

•

Internal Open-Drain Comparator

The INA200, INA201, and INA202 devices also

•

Latching Capability on Comparator

incorporate an open-drain comparator and internal

reference

providing

a

0.6-V

threshold.

External

•

Common-Mode Range: –16 V to 80 V

dividers are used to set the current trip point. The

•

High Accuracy: 3.5% Maximum Error Over

comparator includes a latching capability, which can

Temperature

be made transparent by grounding (or leaving open)

•

Bandwidth: 500 kHz (INA200)

the RESET pin.

•

Quiescent Current: 1800

μA (maximum)

The INA200, INA201, and INA202 devices operate

•

Packages: SOIC-8, VSSOP-8

from a single 2.7-V to 18-V supply, drawing a

maximum of 1800

μA of supply current. Package

options include the very small VSSOP-8 and the

2 Applications

SOIC-8. All versions are specified over the extended

•

Notebook Computers

operating temperature range of –40°C to 125°C.

•

Cell Phones

•

Telecom Equipment

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Automotive

INA200

SOIC (8)

4.90 mm × 3.91 mm

•

Power Management

INA201

VSSOP (8)

3.00 mm × 3.00 mm

•

Battery Chargers

INA202

•

Welding Equipment

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Simplified Schematic

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.