DRV3202-Q1_15 Datasheet, PDF (14/39 Pages) Texas Instruments – 3-Phase Brushless Motor Driver

DRV3202-Q1
SLVSBJ4A – OCTOBER 2012 – REVISED DECEMBER 2012
CAN ELECTRICAL CHARACTERISTICS (continued)
VB = 12 V, T_A = –40°C to 125°C (unless otherwise specified)
PARAMETER
CONDITIONS
R_IN
R_DIFF
C_IN ⁽¹⁾
C_DIFF ⁽¹⁾
C_IN ⁽¹⁾
Input resistance CAN_H, CAN_L
Differential input resistance
Input capacitance to ground CAN_H,
CAN_L
Differential input capacitance to ground
Input capacitance between CAN_H and
CAN_L
CAN_TX = V_CC
CAN_TX = V_CC
CAN_TX = V_CC
CAN_TX = V_CC
CAN_TX = V_CC
CAN (AC CHARACTERISTIC)
t_TDhHS
Delay time from CAN_TX to VDIFF =
VCAN_H - VCAN_L
Refer to Figure 9
t_TDlHS
t_DRHS
Delay time from VDIFF = VCAN_H -
VCAN_L to CAN_RX
Refer to Figure 9
Refer to Figure 9
t_TRlHS
t_TRhHS
SRHS_R
Delay time from CAN_TX to CAN_RX
Slew rate, CAN_H, rise
Refer to Figure 9
Refer to Figure 9
Threshold set to 20%–80%
SRHS_F
Slew rate, CAN_H, fall
Threshold set to 80%–20%
SRLS_R
Slew rate, CAN_L, rise
Threshold set to 20%–80%
SRLS_F
Slew rate, CAN_L, fall
Threshold set to 80%–20%
CAN (SPLIT, OPTIONAL)
VCAN_M_l
Output voltage
VCAN_M_u
Output voltage, unloaded condition
CAN (POWER OFF CONDITION)
I_source, I_sink = 500 µA
R_measure > 1 MΩ
R_IN
Input resistance CAN_H, CAN_L
VB = 0 V
(1) Specified by design
CAN_TX
0.5 V_CC
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MIN TYP
5
–
10
–
– 20
– 10
–
-
MAX
50
100
46
–
46
UNITS
kΩ
kΩ
pF
pF
pF
–
–
100
ns
–
–
100
ns
–
–
150
ns
–
–
300
ns
–
–
300
ns
20
85
ns
20
85
ns
20
85
ns
20
85
ns
0.3 0.5
0.7
V_CC
0.45 0.5
0.55
V_CC
10
–
100
kΩ
0.5 V_CC
CAN_H
CAN_L
2.5 V
VCANH_D
VCANL_D
VDIFF =
VCAN_H ± VCAN_L
0V
CAN_RX
0.9 V
t_TDHS
0.5 V_CC
t_DRHS
t_TRHS
Figure 9. CAN Timing Chart
0.5 V
t_TDHS
0.5 V_CC
t_DRHS
t_TRHS
14
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