DRV3203E-Q1 Datasheet, PDF (7/39 Pages) Texas Instruments – Three-Phase Brushless Motor Driver

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VCC
VCCUV
VSTN
VDD
RES
tON
PRN
tRES
tRH
tRL
tOFF
tRES
tON
DRV3203E-Q1
SLVSCE5A – NOVEMBER 2013 – REVISED JANUARY 2014
VDDUV
tON
Pwth
Rising edge of PRN is
detected to reset
watchdog timer.
NOTE: VCC undervoltage condition sets RES = Low.
Figure 3. Watchdog Timing Chart
Table 1. WATCHDOG ELECTRICAL CHARACTERISTICS⁽¹⁾
PARAMETER
VB = 12 V, T_A = –40°C to +150℃ (unless otherwise specified)
WATCHDOG
VSTN ⁽²⁾
Function start VCC voltage RES
t_ON ⁽²⁾
t_OFF ⁽²⁾
t_RL ⁽²⁾
t_RH ⁽²⁾
t_RES ⁽²⁾
P_wth ⁽²⁾
Power-on time RES
Clock-off reset time RES
Reset-pulse low time RES
Reset-pulse high time RES
Reset delay time RES
Pulse duration PRN
CONDITIONS
See Figure 3
MIN
TYP
-
0.8
2.5
3
64
80
16
20
64
80
30
71.5
2
-
(1) The timing parameters are invalid if watch dog timer is disabled.
(2) Specified by design.
MAX UNITS
1.3
V
3.5 ms
96 ms
24 ms
96 ms
90
µs
-
µs
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