DRV8880_15 Datasheet, PDF (5/48 Pages) Texas Instruments – DRV8880 2-A Stepper Motor Driver With AutoTune™

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DRV8880
SLVSD18A – JUNE 2015 – REVISED JULY 2015
6 Specifications
6.1 Absolute Maximum Ratings
over operating free-air temperature range referenced with respect to GND (unless otherwise noted) ⁽¹⁾
MIN
MAX
Power supply voltage (VM)
–0.3
50
Power supply voltage ramp rate (VM)
0
2
Charge pump voltage (VCP, CPH)
–0.3
VM + 12
Charge pump negative switching pin (CPL)
–0.3
VM
Internal regulator voltage (V3P3)
–0.3
3.8
Internal regulator current output (V3P3)
0
10
Control pin voltage (STEP, DIR, ENABLE, nSLEEP, nFAULT, M0, M1, DECAY0,
DECAY1, TRQ0, TRQ1, ATE)
–0.3
7.0
Open drain output current (nFAULT)
0
10
Reference input pin voltage (VREF)
–0.3
V3P3 + 0.5
Continuous phase node pin voltage (AOUT1, AOUT2, BOUT1, BOUT2)
Continuous shunt amplifier input pin voltage (AISEN, BISEN) ⁽²⁾
–0.7
–0.55
VM + 0.7
0.55
Peak drive current (AOUT1, AOUT2, BOUT1, BOUT2, AISEN, BISEN)
Internally limited
Operating junction temperature, T_J
Storage temperature, T_stg
–40
150
–65
150
UNIT
V
V/µs
V
V
V
mA
V
mA
V
V
V
A
°C
°C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended
Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) Transients of ±1 V for less than 25 ns are acceptable
6.2 ESD Ratings
V_(ESD)
Electrostatic
discharge
Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001 ⁽¹⁾
Charged-device model (CDM), per JEDEC specification JESD22-C101 ⁽²⁾
VALUE
±4000
±1000
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
UNIT
V
6.3 Recommended Operating Conditions
VM
V_IN
VREF
ƒ_PWM
I_V3P3
I_FS
I_rms
T_A
Power supply voltage range
Digital pin voltage range
Reference rms voltage range
Applied STEP signal
V3P3 external load current
Motor full scale current
Motor rms current
Operating ambient temperature
MIN
6.5 ⁽¹⁾
0
0.3 ⁽²⁾
0
0
0
0
–40
MAX
45
5.3
V3P3
100 ⁽³⁾
10 ⁽⁴⁾
2.0
1.4
125
(1) Internal logic and indexer remain active down to V_UVLO2 (4.9 V maximum) even though the output H-bridges are disabled
(2) Operational at VREF ≈ 0 to 0.3 V, but accuracy is degraded
(3) STEP input can operate up to 1 MHz, but system bandwidth is limited by the motor load
(4) Power dissipation and thermal limits must be observed
UNIT
V
V
V
kHz
mA
A
A
°C
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