E-L9935013TR STMicroelectronics, E-L9935013TR Datasheet - Page 14
![IC STEPPER MOTOR DVR 2PH 20PWRSO](/photos/6/93/69347/497-20-powersoic_series_sml.jpg)
E-L9935013TR
Manufacturer Part Number
E-L9935013TR
Description
IC STEPPER MOTOR DVR 2PH 20PWRSO
Manufacturer
STMicroelectronics
Type
2 Phase Stepper Motor Driverr
Datasheet
1.L9935.pdf
(29 pages)
Specifications of E-L9935013TR
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
Other names
497-10346-2
E-L9935013TR
E-L9935013TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Functional description
5.2.4
5.2.5
14/29
Reversing phase
Suppose the current flowed via M
phase M
D
Chopper control by oscillator
Both chopping circuits work with offset phase. One chopper will switch on the bridge at the
maximum voltage of the oscillator while the other chopper will switch on the bridge at
minimum voltage of the oscillator.
MS1 and MS2 blank switching spikes that could lead to errors of the current control circuit.
Figure 6.
11
. This leads to a fast current decay.
21
and M
Principal chopper control circuit
12
will be turned off. So now the current will flow through D
Doc ID 5198 Rev 9
21
, the load and M
12
before reversing phase. Reversing
22
, the load and
L9935