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L8229 Datasheet(PDF) 10 Page - STMicroelectronics

Part # L8229
Description  Dual DMOS full bridge stepper/DC motor driver
PDF  42 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L8229 Datasheet(HTML) 10 Page - STMicroelectronics

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Electrical Characteristics
L8229
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3
Electrical Characteristics
Independently from the selected configurations, L8229 has some electrical characteristics
that are common for all modes. These are listed below while specific characteristics are
listed in their respective functionality descriptions.
In all modes L8229 is powered by Vs supply voltage. The anti cross-conduction delay is
controlled to provide sufficient time for cross-conduction suppression so that at no time both
the upper and lower output devices (on the same side of the H bridge) are allowed to
conduct simultaneously.
During an over-temperature event, when the device Tj is above Tj(shutdown), the internal
thermal protection circuit disables the drive outputs until the device temperature drops below
the lower thermal threshold temperature.
Note:
The programming pins, PROG1 and PROG2, must be soldered to Vcc or to GND and must
not be driven when supplies are on.
3.1
Absolute maximum ratings
3.2
Operating ratings
Table 3.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
Vs
Supply voltage (including ripple).
40
V
Vcc
Logic and Low voltage analog supply voltage
7
V
Ipeak
Motor Driver Output Peak Current (see Note (1)).
1.
This peak current is intended as start up current for max 1 second with D.C.
≤10%
1.5
A
Vref
Vref input voltage.
7.5
V
Vsense
Vsense output voltage.
2
V
Vin
Logic input voltage.
-0.3 to +7
V
Tj
Junction Temperature.
170
°C
Tstg
Storage Temperature.
-25 to 150
°C
Table 4.
Operating ratings (0°C
≤ T
j ≤ 125°C)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Vs
Supply voltage (including ripple).
8.5
32
38
V
Vcc
Logic and Low voltage analog
supply voltage.
3.135
5
5.25
V
I_Vs
Vs Standby Current
L8229_0/1 configuration
Sleep mode:
NSLEEP (W1, bit3) = 0
36
mA



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