E-TEA3718SFP STMicroelectronics, E-TEA3718SFP Datasheet - Page 14
![IC STEPPER MOTOR DRIVER 20-SOIC](/photos/6/56/65691/497-20-soic__7_5mm_width__series_sml.jpg)
E-TEA3718SFP
Manufacturer Part Number
E-TEA3718SFP
Description
IC STEPPER MOTOR DRIVER 20-SOIC
Manufacturer
STMicroelectronics
Type
Stepper Motor Controllerr
Datasheet
1.E-TEA3718DP.pdf
(26 pages)
Specifications of E-TEA3718SFP
Applications
Stepper Motor Driver
Number Of Outputs
1
Current - Output
±1.5A
Voltage - Load
10 V ~ 45 V
Voltage - Supply
4.75 V ~ 5.25 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Product
Stepper Motor Controllers / Drivers
Operating Supply Voltage
10 V to 45 V
Supply Current
25 mA
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Functional blocks
4.1
14/26
Alarm output (TEA3718SP, TEA3718DP and TEA3718SDP)
The ALARM output pin becomes low when the junction temperature reaches T ° C. When an
alarm condition occurs, parts of the supply voltage (dividing bridge R - R
comparator input pin (
an alarm condition is as follows:
●
●
with V
For several Multiwatt packages a common detection can be obtained as in
Figure 16. Alarm detection for power DIP package
R
R
approximate formula: (see also
TH
C
C
> 80 ohms, the output stage is switched off
> 60 ohms, the current in the motor windings is reduced according to the
= threshold of the comparator (V
Figure 16
). Depending on the R
Im
Figure 18
=
V
----------
R
CH
TH
S
, V
–
----------------- -
R
CM
and
V
+
CC
, V
R
C
Figure 19
CL
•
) R = 700 ohms (typical).
C
R
------- -
R
value the behavior of the circuit on
C
S
)
C
) is fed to the
Figure 17
.