DRV8880_15 Datasheet, PDF (7/48 Pages) Texas Instruments – DRV8880 2-A Stepper Motor Driver With AutoTune™

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6.5 Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
POWER SUPPLIES (VM, V3P3)
VM
VM operating voltage
I_VM
VM operating supply current
nSLEEP high; ENABLE high; no motor
load; VM = 24 V
I_VMQ
VM sleep mode supply current
nSLEEP low; VM = 24 V; T_A = 25°C
nSLEEP low; VM = 24 V; T_A = 125°C
(1)
t_SLEEP
t_WAKE
t_ON
V3P3
Sleep time
Wake-up time
Turn-on time
LDO regulator voltage
nSLEEP low to sleep mode
nSLEEP high to output transition
VM > V_UVLO2 to output transition
External load 0 to 10 mA
CHARGE PUMP (VCP, CPH, CPL)
V_CP
ƒ_VCP ⁽¹⁾
VCP operating voltage
Charge pump switching
frequency
VM > 12 V
V_UVLO2 < VM < 12 V
VM > V_UVLO2
LOGIC-LEVEL INPUTS (STEP, DIR, ENABLE, nSLEEP, TRQ0, TRQ1, ATE)
V_IL
Input logic low voltage
V_IH
Input logic high voltage
V_HYS
Input logic hysteresis
I_IL
Input logic low current
V_IN = 0 V
I_IH
Input logic high current
V_IN = 5.0 V
R_PD
Pulldown resistance
Measured between the pin and GND
t_PD
Propagation delay
STEP input to current change
TRI-LEVEL INPUTS (M0, M1, DECAY0, DECAY1, TOFF)
V_IL
Tri-level input logic low voltage
V_IZ
Tri-level input Hi-Z voltage
V_IH
Tri-level input logic high voltage
V_HYS
Tri-level input hysteresis
I_IL
Tri-level input logic low current
I_IZ
Tri-level input Hi-Z current
I_IH
Tri-level input logic high current
R_PD
Tri-level pulldown resistance
R_PU
Tri-level pullup resistance
CONTROL OUTPUTS (nFAULT)
V_IN = 0 V
V_IN = 1.3 V
V_IN = 3.3 V
Measured between the pin and GND
Measured between V3P3 and the pin
V_OL
Output logic low voltage
I_O = 4 mA
I_OH
Output logic high leakage
External pullup resistor to 3.3 V
MOTOR DRIVER OUTPUTS (AOUT1, AOUT2, BOUT1, BOUT2)
R_DS(ON) High-side FET on resistance
R_DS(ON) Low-side FET on resistance
VM = 24 V, I = 1 A, T_A = 25°C
VM = 24 V, I = 1 A, T_A = 125°C ⁽¹⁾
VM = 6.5 V, I = 1 A, T_A = 25°C
VM = 6.5 V, I = 1 A, T_A = 125°C ⁽¹⁾
VM = 24 V, I = 1 A, T_A = 25°C
VM = 24 V, I = 1 A, T_A = 125°C ⁽¹⁾
VM = 6.5 V, I = 1 A, T_A = 25°C
VM = 6.5 V, I = 1 A, T_A = 125°C ⁽¹⁾
(1) Specified by design and characterization data
Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: DRV8880
DRV8880
SLVSD18A – JUNE 2015 – REVISED JULY 2015
MIN
TYP
6.5
8
28
2.9
3.3
VM + 11.5
2×VM – 1.5
175
0
1.6
100
–1
50
100
450
0
1.1
1.6
100
–55
15
85
40
45
–1
330
400
430
500
300
370
370
450
MAX UNIT
45
V
18 mA
μA
77
100
μs
1.5 ms
1.5 ms
3.6
V
V
715 kHz
0.6
V
5.3
V
mV
1
μA
100
μA
kΩ
ns
0.6
V
V
5.3
V
mV
–35
μA
μA
μA
kΩ
kΩ
0.5
V
1
μA
440
mΩ
560
400
mΩ
490
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