mlx90401 Melexis Company, mlx90401 Datasheet - Page 4

• Manufacturer Part Number: mlx90401
• Description: Brushless Dc Motor Controller Not For New Designs!
• Manufacturer: Melexis Company

5 Absolute maximum ratings
6 MLX90401 electrical specifications
DC Operating Parameters T
1
2
are debounced using a clock with a frequency of 256*f
frequency of 32*f
Select: 2.5*256*1/f
3
output signals when the chip is in the correct state.
3901090401
Rev 005
Supply voltage
Supply current
Output voltage
Output current
Undervoltage
Oscillator frequency
High state
Low state
High state input current
Low state input current
100% PWM state
0% PWM
Disable
High state input current
Low state input current
Debounce time (60°/120°
Select, Fwd/Rev)
Debounce time (/Brake)
Delay after start-up
Output current
Input levels of the DISABLE pin are defined internally by a resistor tree.
t
t
delay1
delay3
and t
depends on f
Parameter.
1
1
delay2
Supply Voltage, V
Output Voltage on pins Gate & Cap Boost
Voltage on Pins 17,18,20,21,23,24
Power Dissipation, P
Operating Temperature Range, T
Storage Temperature Range, T
depend on f
osc
2
1
osc
. Debouncing takes between 2 and 3 clock cycles. Typical example for, say 60°/120°
osc
3
= 2.5*256*1/25kHz = 25.6 ms.
. Precautions are taken that t
2
A
osc
= -40
V
Symbol
V
V
100%PWM
and timing of the signals to be debounced. 60°/120° Select and Fwd/Rev
DD
t
t
t
DISABLE
Parameter
V
I
0%PWM
I
f
delay1
delay2
delay3
I
V
I
V
IHDIS
V
ILDIS
I
V
OSC
OCP
REF
I
I
DD
REF
IH
DD
UV
IL
IH
IL
(operating)
D
o
C to 125
Table 2: Absolute maximum ratings
Logic inputs (Pins 2-6, 9, 11)
Operating, R
Disable input (Pin 7)
S
o
Voltage reference
Test Conditions
C
Page 4 of 13
Charge pumps
A
Undervoltage
Debouncing
Operating
Operating
Operating
C
Oscillator
OSC
delay3
OSC
=5nF
osc
is always larger than t
. /Brake is debounced using a clock with a
=10kOhm,
Brushless DC Motor Controller
Absolute maximum value
18.6
Min
3.5
2.0
22
18
8
8
-40 to 125°C
-40 to 125°C
-0.3 to 45V
-0.3 to 60V
500mW
60V
12-24
delay1
64.3
35.7
25.6
Typ
3.2
20
12
25
16
25
8
MLX90401
, so that there are only
Max
35.6
100
1.5
1.0
2.0
1.0
1.0
4.4
44
35
15
10
28
35
Data sheet
%Vref
%Vref
%Vref
Units
kHz
Oct/05
mA
mA
mA
mA
mA
mA
ms
ms
ms
uA
V
V
V
V
V