INA200

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+

2

3

4

6

5

7

8

1

INA200

INA201

INA202

www.ti.com

SBOS374C – NOVEMBER 2006 – REVISED OCTOBER 2010

High-Side Measurement Current-Shunt Monitor

with Open-Drain Comparator and Reference

Check for Samples: INA200, INA201, INA202

1

FEATURES

DESCRIPTION

•

COMPLETE CURRENT SENSE SOLUTION

•

0.6V INTERNAL VOLTAGE REFERENCE

The INA200, INA201, and INA202 are high-side

current-shunt monitors with voltage output. The

•

INTERNAL OPEN-DRAIN COMPARATOR

INA200–INA202 can sense drops across shunts at

•

LATCHING CAPABILITY ON COMPARATOR

common-mode voltages from –16V to 80V. The

•

COMMON-MODE RANGE: –16V to +80V

INA200–INA202 are available with three output

voltage scales: 20V/V, 50V/V, and 100V/V, with up to

•

HIGH ACCURACY: 3.5% MAX ERROR OVER

500kHz bandwidth.

TEMPERATURE

The INA200, INA201, and INA202 also incorporate an

•

BANDWIDTH: 500kHz (INA200)

open-drain

comparator

and

internal

reference

•

QUIESCENT CURRENT: 1800mA (max)

providing a 0.6V threshold. External dividers are used

•

PACKAGES: SO-8, MSOP-8

to set the current trip point. The comparator includes

a latching capability, which can be made transparent

APPLICATIONS

by grounding (or leaving open) the RESET pin.

•

NOTEBOOK COMPUTERS

The INA200, INA201, and INA202 operate from a

•

CELL PHONES

single +2.7V to +18V supply, drawing a maximum of

•

TELECOM EQUIPMENT

1800mA of supply current. Package options include

the very small MSOP-8 and the SO-8. All versions

•

AUTOMOTIVE

are

specified

over

the

extended

operating

•

POWER MANAGEMENT

temperature range of –40°C to +125°C.

•

BATTERY CHARGERS

•

WELDING EQUIPMENT

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2006–2010, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.