English
Language : 

DRV8711_15 Datasheet, PDF (7/44 Pages) Texas Instruments – DRV8711 Stepper Motor Controller IC
◁
www.ti.com
DRV8711
SLVSC40E – JUNE 2013 – REVISED MARCH 2015
Electrical Characteristics (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
PROTECTION CIRCUITS
OCPTH = 00
VOCP
Overcurrent protection trip level
(Voltage drop across external FET)
OCPTH = 01
OCPTH = 10
tTSD
Thermal shutdown temperature(1)
tHYS
Thermal shutdown hysteresis
CURRENT SENSE AMPLIFIERS
OCPTH = 11
Die temperature
ISGAIN = 00
AV
Gain
ISGAIN = 01
ISGAIN = 10
ISGAIN = 11
ISGAIN = 00, ΔVIN = 400 mV
tSET
Settling time (to ±1%)
ISGAIN = 01, ΔVIN = 200 mV
ISGAIN = 10, ΔVIN = 100 mV
ISGAIN = 11, ΔVIN = 50 mV
VOFS Offset voltage
VIN
Input differential voltage range
CURRENT CONTROL DACs
ISGAIN = 00, input shorted
Resolution
Full-scale step response
10% to 90%
VREF Full-scale (reference) voltage
(1) Not tested in production; ensured by design.
MIN
160
380
620
840
150
–600
2.50
TYP
250
500
750
1000
160
20
5
10
20
40
150
300
600
1.2
256
2.75
MAX UNIT
320
580
mV
850
1200
180 °C
°C
V/V
ns
µs
4 mV
600 mV
steps
5 µs
3V
6.6 SPI Interface Timing Requirements
over operating free-air temperature range (unless otherwise noted) (see Figure 1)
NO.
1 tCYC
2 tCLKH
3 tCLKL
4
tSU(SDATI)
5
tH(SDATI)
6
tSU(SCS)
7
tH(SCS)
8
tL(SCS)
9
tD(SDATO)
tSLEEP
tRESET
Clock cycle time
Clock high time
Clock low time
Setup time, SDATI to SCLK
Hold time, SDATI to SCLK
Setup time, SCS to SCLK
Hold time, SCS to SCLK
Inactive time, SCS (between writes and reads)
Delay time, SCLK to SDATO (during read)
Wake time (SLEEPn inactive to high-side gate drive enabled)
Delay from power up or RESETn high until serial interface functional
MIN TYP MAX UNIT
250
ns
25
ns
25
ns
5
ns
1
ns
5
ns
1
ns
100
ns
10 ns
1 ms
10 μs
6.7 Indexer Timing Requirements
over operating free-air temperature range (unless otherwise noted) (see Figure 2)
NO.
1 fSTEP
2
tWH(STEP)
3
tWL(STEP)
4
tSU(STEP)
Step frequency
Pulse duration, STEP high
Pulse duration, STEP low
Setup time, command to STEP rising
Copyright © 2013–2015, Texas Instruments Incorporated
Product Folder Links: DRV8711
MIN TYP MAX UNIT
250 kHz
1.9
μs
1.9
μs
200
ns
Submit Documentation Feedback
7
 ▷