MC33287 Datasheet, PDF (3/9 Pages) Motorola, Inc – Contact Monitoring and Dual Low Side Protected Driver

Freescale S^Me^Cm³³i²c⁸o⁷ nductor, Inc.
Figure 1. Timing Test Configuration
V_BAT
f = 5KHz
CD2
CD1 OUTD1
R1
C1
R2
C2 ^VBAT
R1
C1
CD2 OUTD2
R2
C2
R1 = 500Ω
C1 = 2nF
R2 = 47kΩ
C2 = 250pF
Figure 2. Timing Characteristics
t_command
OUTD2
∆bit = t_command - t_BIT
80%
50%
t_BIT
20%
80%
50%
20%
t_ON
t_FALL
PROTECTION AND LEVEL DETECTION : OUTD1 AND OUTD2 PINS
Parameters
Symbol
Positive Output Clamp
Output Current Limitation (130°C ≥Tj)
Output Fault Detector Level
Overtemperature Detection
(At 25°C by function simulation)
INPUTS : CD1 AND CD2 PINS
Input Voltage Low
Input Voltage High
Hysteresis
Input Current on Pin CD1
(Internal pull up and CD1 connected to ground)
Leakage Current on Pin CD1
(Internal pull-up CD1 connected to VDD2)
Input Current on Pin CD2
(Internal pull down CD2 connected to VDD2)
Vclamp
Ilim
Vfault
Tdetec
Vil
Vih
Vhys
ICD1
Ileakage
ICD2
t_OFF
t_RISE
Min
Typ
40
50
300
535
2,00
2,75
145
160
0,8 x VDD2
500
800
-100
-30
-5
10
30
MC33287
For More ^MIn^Ofo^Tr^Om^Ra^Ot^Li^Aon On This Product,
Go to: www.freescale.com
t
t
Max
60
750
3,5
175
0,4 x VDD2
-10
5
100
Unit
V
mA
V
°C
V
V
mV
µA
µA
µA
3