DRV8834PWPR datasheet(8/45 Pages) TI2

tên linh kiện	DRV8834PWPR

Giải thích chi tiết về linh kiện	DRV8834 Dual-Bridge Stepper or DC Motor Driver

PDF	45 Pages

Scroll/Zoom	100%

nhà sản xuất	TI2 [Texas Instruments]

Trang chủ	https://www.ti.com

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8 / 45 page

STEP

DIR, M0, M1

nSLEEP

DRV8834

SLVSB19D – FEBRUARY 2012 – REVISED MARCH 2015

www.ti.com

Electrical Characteristics (continued)

TA = 25°C, over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tTSD

Thermal shutdown temperature

Die temperature

150

160

180

°C

CURRENT CONTROL

IREF

VREF input current

VREF = 3.3 V

–1

µA

VTRIP

xISEN trip voltage

For 100% current step

xVREF/5

AISENSE

Current sense amplifier gain

Reference only

V/V

7.6 Timing Requirements

TA = 25°C, over operating free-air temperature range (unless otherwise noted)

NO.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

fSTEP

Step frequency

250

kHz

tWH(STEP)

Pulse duration, STEP high

1.9

µs

tWL(STEP)

Pulse duration, STEP low

1.9

µs

tSU(STEP)

Setup time, command to STEP rising

200

tH(STEP)

Hold time, command to STEP rising

µs

tWAKE

Wake-up time, nSLEEP inactive to STEP

Figure 1. Timing Diagram

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