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L9177ATR датащи(PDF) 20 Page - STMicroelectronics

номер детали L9177ATR
подробное описание детали  Automotive engine management control IC for small engines
PDF  55 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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L9177ATR датащи(HTML) 20 Page - STMicroelectronics

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Figure 13. Stepper motor operations
EN
PWM
DIR
VoutA
VoutB
VoutC
VoutD
GADG2408171141PS
2.5.15
O2 sensor heater driver
Table 20. O2 sensor heater driver characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Unit
R dsON
On resistance
Iout= 3 A
-
-
0.5
Ω
VC
Output clamping voltage
Iout= 3 A
40
-
50
V
Ilk_off
Leakage current
Vout= 18 V,Key = 0 V
-
-
10
µA
Ilk_on
Pull-Down diagnosis current
Vout= 18 V, Key = 5 V
-
-
100
µA
ton_off
Turn on-off delay
From CMD (serial or parallel) rising edge
-
-
6
µs
VOL
Open load output voltage
Driver in OFF condition
0.46*VDD
0.5*VDD
0.54*VDD
V
IOC
Overcurrent threshold
3.8
-
5
A
Vdiagth_H (1) Diagnostic high threshold
Driver in OFF condition
0.54*VDD
0.6*VDD
0.66*VDD
V
V diagth_L (1) Diagnostic low threshold
Driver in OFF condition
0.36*VDD
0.4*VDD
0.44*VDD
V
Tmask
OFF diagnostic masking time
Guaranteed by scan
0.75
1
1.25
ms
Tdcg_noise OFF diagnostic Deglitch filter time
Guaranteed by scan
2.16
3.6
5.04
µs
Tdcg
ON diagnostic Deglitch filter time
Guaranteed by scan
15
20
25
µs
1. V diagth_L < V out<V diagth_H→ Open Load; V out < V diagth_L→ Short to GND
L9177A
Electrical characteristics
DS12175 - Rev 5
page 20/55



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