E-L9935 STMicroelectronics, E-L9935 Datasheet - Page 21
![IC STEPPER MOTOR DVR 2PH 20PWRSO](/photos/6/93/69347/497-20-powersoic_series_sml.jpg)
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
5.14
Table 9.
1. Measured at a transition from High impedance (Bridge off) to bridge on. (Reversing polarity takes about 1ms longer
Symbol
because the bridge first turns off before turning on in reverse direction).
t
f
en_sck
SCLK
t
t
t
t
t
t
t
t
pd
ch
su
sh
zc
cl
1
d
Test condition for all propagation times
Unless otherwise specified) HIGH ≥ 3 V; LOW ≤ 0.8 V; t
Enable: ENN Low < 0.8 V, ENN High > V
Test condition for all propagation times
Table of bits
bit5,bit4: current range of bridge A (Outputs A1 and A2)
bit3:
bit2,bit1: current range of bridge B (Outputs B1 and B2)
bit0:
bit7,bit6:
SCK-Frequency
SCK stable before and after
CSN = 0
Width of SCK high pulse
Width of SCK low pulse
SDI setup time
SDI hold time
SDO delay time (C
SDO high Z CSN high
Setup time ENABLE to SCK
Propagation delay SPI to output
QXX
Parameter
polarity of bridge A
polarity of bridge B
Error1 and Error 2
L
= 50pF)
-
-
-
-
-
-
-
-
HIGH > V
-
Doc ID 5198 Rev 9
Test conditions
CC
CC
-1.2 V
-0.8 V
r
, t
f
= 10 ns;
Min.
100
200
200
DC
80
80
30
-
-
-
Functional description
Typ.
100
100
2
(1)
-
-
-
-
-
-
-
2MHz
Max.
-
-
-
-
-
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
μs
μs
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