V

IN+

V

IN-

V

IN+

V

IN-

V

REF

Output

+2.7V to

+18V

+2.7V to

+18V

Q

1

Q

2

D1

D2

Motor

Supply

(< 80V)

MOSFET

Drive

Circuits

INA282, INA283

INA284, INA285

INA286

www.ti.com

SBOS485A – NOVEMBER 2009 – REVISED JULY 2010

NOTE: By sensing totem-pole current on both the positive and negative rail and summing, dynamic common-mode issues

Figure 43. Sensing and Summing Totem Pole Current

Copyright © 2009–2010, Texas Instruments Incorporated

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Product Folder Link(s): INA282 INA283 INA284 INA285 INA286