TLE4726G_08 Datasheet, PDF (7/25 Pages) Infineon Technologies AG – 2-Phase Stepper-Motor Driver

TLE4726G
Characteristics (cont’d)
V_S = 40 V; V_L = 5 V; – 25 °C ≤ T_j ≤ 125 °C
Parameter
Symbol
Limit Values
min. typ. max.
Oscillator
Output charging
current
I_OSC
–
110 –
Charging threshold
V_OSCL
–
1.3 –
Discharging threshold V_OSCH
–
2.3 –
Frequency
f_OSC
18 25 40
Unit Test Condition
μA –
V–
V–
kHz C_OSC = 2.2 nF
Phase Current Selection
Current Limit Threshold
No current
Hold
Setpoint
Accelerate
V_{sense n}
–
0
–
mV IX0 = H; IX1 = H
V_{sense h} 200 250 300 mV IX0 = L; IX1 = H
V_{sense s} 420 540 680 mV IX0 = H; IX1 = L
V_{sense a} 700 825 950 mV IX0 = L; IX1 = L
Logic Inputs
(I_X1 ; I_X0 ; Phase x)
Threshold
V_I
L-input current
I_IL
L-input current
I_IL
H-input current
I_IH
1.4 –
(H→L)
– 10 –
– 100 –
–
–
2.3 V
(L→H)
–
μA
–
μA
10 μA
–
V_I = 1.4 V
V_I = 0 V
V_I = 5 V
Standby Cutout (inhibit)
Threshold
Threshold
Hysteresis
V_Inh
2
(L→H)
3
4
V–
V_Inh
1.7 2.3 2.9 V –
(H→L)
V_Inhhy
0.3 0.7 1.1 V –
Internal Z-Diode
Z-voltage
V_LZ
6.5 7.4 8.2 V I_L = 50 mA
Data Sheet
7
Rev. 1.1, 2008-06-16