NCV70627 Datasheet, PDF (8/61 Pages) ON Semiconductor – Micro-stepping Motor Driver

NCV70627
AC Parameters
The AC parameters are guaranteed over junction temperature from −40 to 145°C and V_BB in the operating range from 5.5 to 29 V,
unless otherwise specified. The LIN transmitter and receiver physical layer parameters are compliant to LIN rev. 2.0 & 2.1.
Table 8. AC PARAMETERS
Symbol Pin(s)
Parameter
Test Conditions
POWERUP
T_pu
Power−up time
INTERNAL OSCILLATOR
Guaranteed by design
f_osc
Frequency of internal oscillator
V_BB = 14 V
LIN TRANSMITTER CHARACTERISTICS ACCORDING TO LIN V2.0 & V2.1
D1
LIN Duty cycle 1 = t_{Bus_rec(min)} /
THRec(max) = 0.744 x V_BB
(2 x t_Bit); See Figure 4
THDom(max) = 0.581 x V_BB;
V_BB = 7.0 V...18 V;
t_Bit = 50 ms
D2
Duty cycle 2 = t_{Bus_rec(max)} /
THRec(min) = 0.422 x V_BB
(2 x t_Bit); See Figure 4
THDom(min) = 0.284 x V_BB;
V_BB = 7.6 V...18 V;
t_Bit = 50 ms
LIN RECEIVER CHARACTERISTICS ACCORDING TO LIN V2.0 & V2.1
trx_pdr
LIN Propagation delay bus dominant
to RxD = low
V_BB = 7.0 V & 18 V;
See Figure 4
trx_pdf
Propagation delay bus recessive
to RxD = high
V_BB = 7.0 V & 18 V;
See Figure 4
trx_sym
Symmetry of receiver propagation
delay
trx_pdr − trx_pdf
SWITCH INPUT AND HARDWIRE ADDRESS INPUT
T_sw
T_{sw_on}
SWI
HW2
MOTORDRIVER
Scan pulse period (Note 20)
Scan pulse duration (Note 20)
V_BB = 14 V
V_BB = 14 V
F_pwm
MOTx PWM frequency (Note 20)
PWMfreq = 0 (Note 21)
PWMfreq = 1 (Note 21)
F_{jit_depth}
T_brise
T_bfall
T_stab
PWM jitter modulation depth
Turn−on transient time
Turn−off transient time
Run current stabilization time
(Note 20)
PWMJen = 1 (Note 21)
Between 10% and 90%
TStab[1:0] = 00
TStab[1:0] = 01
TStab[1:0] = 10
TStab[1:0] = 11
SUPPLY
T_{UV1_deb}
VBB UV1 level debounce time
(Note 20)
20. Derived from the internal oscillator
21. See SetMotorParam and PWM Regulator
UV3debT = 0
UV3debT = 1
Min
3.6
0.396
−2
20.6
41.2
14.4
19.8
25.2
28.8
Typ
4.0
1024
128
22.8
45.6
10
170
140
16
22
28
32
96
256
Max
Unit
10
ms
4.4
MHz
0.581
6
ms
6
ms
+2
ms
ms
ms
25.0
kHz
50.0
kHz
%
ns
ns
17.6
ms
24.2
ms
30.8
ms
35.2
ms
ms
ms
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