E-L9935 STMicroelectronics, E-L9935 Datasheet - Page 9
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E-L9935
Manufacturer Part Number
E-L9935
Description
IC STEPPER MOTOR DVR 2PH 20PWRSO
Manufacturer
STMicroelectronics
Type
2 Phase Stepper Motor Driverr
Datasheet
1.L9935.pdf
(29 pages)
Specifications of E-L9935
Applications
Stepper Motor Driver, 2 Phase
Number Of Outputs
1
Current - Output
±1.2A
Voltage - Supply
8 V ~ 24 V
Operating Temperature
-40°C ~ 150°C
Mounting Type
Surface Mount
Package / Case
PowerSO-20 Exposed Bottom Pad
Product
Stepper Motor Controllers / Drivers
Operating Supply Voltage
14.4 V
Supply Current
4.5 mA
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Load
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
L9935
3.3
Table 5.
Supply
Full bridges
Switch Off threshold of the chopper (R
Enable input EN
Logic inputs SDI. SCK, CSN
R
R
R
OUT, Source
OUT8
V
Symbol
V
I
I
V
OUT, Sink
V
V
EN High
V
V
V
EN Low
V
V
EN High
EN Hyst
V
I
IS
ENlow
t
SOP
I
SRHL
SRLH
SRLL
HIGH
FWD
LOW
REV
r
Hyst
CC
, t
85
, Sink
f
Electrical characteristics
8 V ≤ V
Parameters are tested at 125 °C. Values at 140 °C are guaranteed by design and
correlation.
Electrical characteristics
Total supply current I
(both bridges Off)
Operating supply current
5 V supply current
R
R
R
R
Forward voltage of the DMOS
body diodes
Reverse DMOS voltage
Rise and fall time of outputs
OUT
Voltage drops across R
(Voltage at Pin SR
GND)
High input voltage
Low input voltage
Enable hysteresis
High input current
Low input current
High input voltage
Low input voltage
Hysteresis
DSON
DSON
DSON
DSON
Ai/Bi
of sink transistors
of source transistors
of sink transistors
of source transistors
S
≤ 24 V; -40 °C ≤ T
Parameter
A
or SR
S
+ I
1
VCC
⋅ R
+
B
2
1
vs.
(1)
⋅ R
j
≤ 150 °C; 4.5 V ≤ V
2
Current bit
combinations LL, LH, V
EN = LOW I
-
-
V
V
V
T
I
V
EN = LOW
Current bit combinations LL,
LH, V
EN = HIGH; I
V
0.1...0.9 V
Chopping 550 mA
Bit 5, 2 = H; Bit 4, 1 = L
Bit 5, 2 = L; Bit 4, 1 = H
Bit 5, 4, 2, 1 = L
-
EN = LOW
OUT Ai/Bi
= 0.33 Ω)
Doc ID 5198 Rev 9
J
S
S
S
High
LOW
≤ 85 °C
= 14 V; EN = HIGH;
= 14 V
≥12 V
S
= V
= 0V
= 8V
Test condition
= 0; f
CC
OUT
REV
FWD
V
OSC
S
= 1 A
= 14 V
= 1 A;
= 30 kHz
CC
≤ 5.5 V, unless otherwise specified.
S
≥12 V
V
1.2V
Min.
270
-0.3
160
-10
0.3
0.1
2.6
0.8
12
CC
-3
-
-
-
-
-
-
-
-
-
-
Electrical specifications
Typ.
180
300
4.5
1.4
0.4
0.4
1.6
0.5
0.6
-10
1.2
40
20
1
0
-
-
-
Max.
100
210
340
0.7
0.7
1.4
0.9
1.5
1.2
-30
1.6
10
35
10
3
8
1
-
-
-
Unit
mV
mV
mA
mA
mV
μA
μA
μA
μs
Ω
Ω
Ω
V
V
V
V
V
V
V
V
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