參數(shù)資料
型號(hào)： LV8712T
廠商： SANYO SEMICONDUCTOR CO LTD
元件分類： 運(yùn)動(dòng)控制電子
英文描述： STEPPER MOTOR CONTROLLER, 1 A, PDSO24
封裝： 0.225 INCH, TSSOP-24
文件頁數(shù)： 7/14頁
文件大?。?/td> 246K
代理商： LV8712T
LV8712T
No.A1674-2/14
Allowable Operating Ratings
at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Motor supply voltage range
VM
4 to 16
V
Logic supply voltage range
VCC
2.7 to 5.5
V
Logic input voltage
VIN
-0.3 tp VCC+0.3
V
VREF input voltage range
VREF
0 to VCC-1.8
V
Electrical Characteristics
at Ta = 25°C, VM = 12V, VCC = 3.3VVREF = 1.0V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
IMstn
PS = “L”, no load
1
μA
Standby mode current drain
ICCstn
PS = “L”, no load
1
μA
IM
PS = “H”, no load
0.3
0.5
0.7
mA
Current drain
ICC
PS = “H”, no load
0.9
1.3
1.7
mA
Thermal shutdown temperature
TSD
Design guarantee
180
°C
Thermal hysteresis width
ΔTSD
Design guarantee
40
°C
VCC low voltage cutting voltage
VthVCC
2.1
2.4
2.7
V
Low voltage hysteresis voltage
VthHIS
100
130
160
mV
REG5 output voltage
Vreg5
IO = -1mA
4.5
5
5.5
V
RonU
IO = -800mA, Source-side on resistance
0.78
1.0
Ω
Output on resistance
RonD
IO = 800mA, Sink-side on resistance
0.32
0.43
Ω
Output leakage current
IOleak
VO = 15V
10
μA
Diode forward voltage
VD
ID = -800mA
1.0
1.2
V
IINL
VIN = 0.8V
4
8
12
μA
Logic pin input current
IINH
VIN = 3.3V
22
33
45
μA
Logic high-level input voltage
VINH
2.0
V
Logic low-level input voltage
VINL
0.8
V
VREF input current
IREF
VREF = 1.0V
-0.5
μA
Vtdac0_2W
Step 0 (When initialized : channel 1
comparator level)
0.191
0.2
0.209
V
Vtdac1_2W
Step 1 (Initial state+1)
0.187
0.196
0.205
V
Vtdac2_2W
Step 2 (Initial state+2)
0.175
0.184
0.193
V
Vtdac3_2W
Step 3 (Initial state+3)
0.158
0.166
0.174
V
Vtdac4_2W
Step 4 (Initial state+4)
0.132
0.140
0.148
V
Vtdac5_2W
Step 5 (Initial state+5)
0.102
0.110
0.118
V
Vtdac6_2W
Step 6 (Initial state+6)
0.068
0.076
0.084
V
2W1-2-phase
drive
Vtdac7_2W
Step 7 (Initial state+7)
0.032
0.040
0.048
V
Vtdac0_W
Step 0 (When initialized : channel 1
comparator level)
0.191
0.200
0.209
V
Vtdac2_W
Step 2 (Initial state+1)
0.175
0.184
0.193
V
Vtdac4_W
Step 4 (Initial state+2)
0.132
0.140
0.148
V
W1-2-phase
drive
Vtdac6_W
Step 6 (Initial state+3)
0.068
0.076
0.084
V
Vtdac0_H
Step 0 (When initialized : channel 1
comparator level)
0.191
0.200
0.209
V
1-2 phase drive
Vtdac4_H
Step 4 (Initial state+1)
0.132
0.140
0.148
V
Current setting
comparator
threshold
voltage
(current step
switching)
2 phase drive
Vtdac4_F
Step 4' (When initialized : channel 1
comparator level)
0.191
0.200
0.209
V
Vtatt00
ATT1 = L, ATT2 = L
0.191
0.200
0.209
V
Vtatt01
ATT1 = H, ATT2 = L
0.152
0.160
0.168
V
Vtatt10
ATT1 = L, ATT2 = H
0.112
0.120
0.128
V
Current setting comparator
threshold voltage
(current attenuation rate switching)
Vtatt11
ATT1 = H, ATT2 = H
0.072
0.080
0.088
V
Chopping frequency
Fchop
Cchop = 220pF
36
45
54
kHz
VCHOPH
0.6
0.7
0.8
V
CHOP pin threshold voltage
VCHOPL
0.17
0.2
0.23
V
CHOP pin charge/discharge current
Ichop
7
10
13
μA
MONI pin saturation voltage
Vsatmon
Imoni = 1mA
250
400
mV
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