TDA5146T Philips Semiconductors, TDA5146T Datasheet - Page 9

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TDA5146T

Manufacturer Part Number
TDA5146T
Description
Brushless DC motor drive circuit
Manufacturer
Philips Semiconductors
Datasheet

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1. An unstabilized supply can be used.
2. V
3. Switching levels with respect to MOT1, MOT2 and MOT3. See Figure 4.
4. Drivers are in high impedance OFF–state.
5. The outputs are short–circuit protected by limiting the current and the IC temperature.
6. Output transition time measurement. See Figure 5.
Philips Semiconductors
NOTES:
1994 May 18
Symbol
CAP–CDM
l
I
I
V
V
CAP–CDS
I
I
I
V
V
I
O
I
I
O
I
/I
/I
IL
IH
IL
IH
Brushless DC motor drive circuit
O
O
MOT
= V
P
, all other inputs at 0V; all outputs at V
Parameter
Output sink current
Output source current
Ratio of sink to source current
Input voltage level LOW
Input voltage level HIGH
Output sink current
Output source current
Ratio of sink to source current
Input voltage level LOW
Input voltage level HIGH
2V
12.5 V
Hysteresis 75 V typ
Tr
P
and I
O
= 0mA.
Conditions
Figure 4.
Figure 5.
9
MOT 1 MOT 2 and MOT 3
Comparators threshold voltage
Tf
12.5 V
Min
10.6
–5.3
1.85
0.85
2.3
10.1
–20.9
0.9
0.85
2.3
2V
16.2
–8.1
2.05
2.4
15.5
–15.5
1.025
2.4
Typ
22
–11
2.25
0.9
2.55
20.9
–10.1
1.15
0.9
2.55
Max
TDA5146T
Product specification
V
V
V
V
Unit
A
A
A
A
A

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