LV8712T Datasheet, PDF (2/14 Pages) Sanyo Semicon Device – PWM Constant-Current Control Stepping Motor Driver

Allowable Operating Ratings at Ta = 25°C
Parameter
Symbol
Motor supply voltage range
VM
Logic supply voltage range
Logic input voltage
VREF input voltage range
VCC
VIN
VREF
LV8712T
Conditions
Ratings
Unit
4 to 16
V
2.7 to 5.5
V
-0.3 tp VCC+0.3
V
0 to VCC-1.8
V
Electrical Characteristics at Ta = 25°C, VM = 12V, VCC = 3.3VVREF = 1.0V
Parameter
Symbol
Conditions
Standby mode current drain
Current drain
Thermal shutdown temperature
Thermal hysteresis width
VCC low voltage cutting voltage
Low voltage hysteresis voltage
REG5 output voltage
Output on resistance
Output leakage current
Diode forward voltage
Logic pin input current
Logic high-level input voltage
Logic low-level input voltage
VREF input current
Current setting
comparator
threshold
voltage
(current step
switching)
2W1-2-phase
drive
W1-2-phase
drive
1-2 phase drive
IMstn
ICCstn
IM
ICC
TSD
ΔTSD
VthVCC
VthHIS
Vreg5
RonU
RonD
IOleak
VD
IINL
IINH
VINH
VINL
IREF
Vtdac0_2W
Vtdac1_2W
Vtdac2_2W
Vtdac3_2W
Vtdac4_2W
Vtdac5_2W
Vtdac6_2W
Vtdac7_2W
Vtdac0_W
Vtdac2_W
Vtdac4_W
Vtdac6_W
Vtdac0_H
2 phase drive
Vtdac4_H
Vtdac4_F
Current setting comparator
threshold voltage
(current attenuation rate switching)
Chopping frequency
CHOP pin threshold voltage
CHOP pin charge/discharge current
MONI pin saturation voltage
Vtatt00
Vtatt01
Vtatt10
Vtatt11
Fchop
VCHOPH
VCHOPL
Ichop
Vsatmon
PS = “L”, no load
PS = “L”, no load
PS = “H”, no load
PS = “H”, no load
Design guarantee
Design guarantee
IO = -1mA
IO = -800mA, Source-side on resistance
IO = 800mA, Sink-side on resistance
VO = 15V
ID = -800mA
VIN = 0.8V
VIN = 3.3V
VREF = 1.0V
Step 0 (When initialized : channel 1
comparator level)
Step 1 (Initial state+1)
Step 2 (Initial state+2)
Step 3 (Initial state+3)
Step 4 (Initial state+4)
Step 5 (Initial state+5)
Step 6 (Initial state+6)
Step 7 (Initial state+7)
Step 0 (When initialized : channel 1
comparator level)
Step 2 (Initial state+1)
Step 4 (Initial state+2)
Step 6 (Initial state+3)
Step 0 (When initialized : channel 1
comparator level)
Step 4 (Initial state+1)
Step 4' (When initialized : channel 1
comparator level)
ATT1 = L, ATT2 = L
ATT1 = H, ATT2 = L
ATT1 = L, ATT2 = H
ATT1 = H, ATT2 = H
Cchop = 220pF
Imoni = 1mA
min
0.3
0.9
2.1
100
4.5
4
22
2.0
-0.5
0.191
0.187
0.175
0.158
0.132
0.102
0.068
0.032
0.191
0.175
0.132
0.068
0.191
0.132
0.191
0.191
0.152
0.112
0.072
36
0.6
0.17
7
Ratings
typ
0.5
1.3
180
40
2.4
130
5
0.78
0.32
1.0
8
33
0.2
0.196
0.184
0.166
0.140
0.110
0.076
0.040
0.200
0.184
0.140
0.076
0.200
0.140
0.200
0.200
0.160
0.120
0.080
45
0.7
0.2
10
250
Unit
max
1
μA
1
μA
0.7
mA
1.7
mA
°C
°C
2.7
V
160
mV
5.5
V
1.0
Ω
0.43
Ω
10
μA
1.2
V
12
μA
45
μA
V
0.8
V
μA
0.209
V
0.205
V
0.193
V
0.174
V
0.148
V
0.118
V
0.084
V
0.048
V
0.209
V
0.193
V
0.148
V
0.084
V
0.209
V
0.148
V
0.209
V
0.209
0.168
0.128
0.088
54
0.8
0.23
13
400
V
V
V
V
kHz
V
V
μA
mV
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