参数资料
型号: L9935
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, 2.5 A, PDSO20
封装: LEAD FREE, POWER, MO-166, SOP-20
文件页数: 29/29页
文件大小: 275K
代理商: L9935
L9935
Electrical specifications
3.3
Electrical characteristics
Table 5.
Electrical characteristics
(8 V
≤ V
S ≤ 24 V; -40°C ≤ Tj ≤ 150° C; 4.5 V ≤ VCC ≤ 5.5 V, unless otherwise specified.)
(1)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Supply
IS85
Total supply current IS+ IVCC
(both bridges Off)
VS = 14 V; EN = HIGH;
TJ ≤ 85 °C
40
100
μA
ISOP
Operating supply current
IOUT Ai/Bi = 0; fOSC = 30 kHz
VS = 14 V
4.5
mA
ICC
5V supply current
EN = LOW
1.4
10
mA
Full bridges
ROUT, Sink
RDSON of sink transistors
Current bit
0.4
0.7
Ω
ROUT, Source RDSON of source transistors
combinations LL, LH, VS ≥12 V
0.4
0.7
Ω
ROUT8, Sink
RDSON of sink transistors +
RDSON of source transistors
Current bit combinations LL,
LH, VS = 8V
1.6
3
Ω
VFWD
Forward voltage of the DMOS
body diodes
EN = HIGH; IFWD = 1 A;
VS ≥12 V
1
1.4
V
VREV
Reverse DMOS voltage
EN = LOW IREV = 1 A
0.5
0.9
V
tr, tf
Rise and fall time of outputs
OUTAi/Bi
0.1...0.9 VOUTVS= 14 V
Chopping 550 mA
0.3
0.6
1.5
μs
Switch Off threshold of the chopper (R1 R2 = 0.33 Ω)
VSRHL
Voltage drops across R1 R2
(2)
(Voltage at Pin SRA or SRB vs.
GND)
Bit 5, 2 = H; Bit 4, 1 = L
12
20
35
mV
VSRLH
Bit 5, 2 = L; Bit 4, 1 = H
160
180
210
mV
VSRLL
Bit 5, 4, 2, 1 = L
270
300
340
mV
Enable input EN
VEN High
High input voltage
VCC -
1.2V
V
VENlow
Low input voltage
1.2
V
VEN Hyst
Enable hysteresis
0.1
V
IEN High
High input current
VHigh = VCC
-10
0
10
μA
IEN Low
Low input current
VLOW = 0V
-3
-10
-30
μA
Logic inputs SDI. SCK, CSN
VHIGH
High input voltage
EN = LOW
2.6
8
V
VLOW
Low input voltage
-0.3
1
V
VHyst
Hysteresis
0.8
1.2
1.6
V
IHIGH
High input current
VHigh = VCC
-10
0
10
μA
ILow
Low input current
VLow = 0 V
-3
-10
-30
μA
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