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TDA5241 Datasheet, PDF (8/19 Pages) NXP Semiconductors – Brushless DC motor drive circuit | |||
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Philips Semiconductors
Brushless DC motor drive circuit
Product specification
TDA5241
Symbol
Parameter
PG OUT (open collector)
VOL
VOHmax
tTHL
Output voltage LOW
Output voltage HIGH
Transition time
tPL
Pulse width LOW
FG/PG (open collector)
VOL
VOHmax
tTHL
Output voltage LOW
Maximum output voltage HIGH
Transition time
d
tPL
CAPâST
II
IO
VSWL
VSWM
VSWH
CAPâTI
II
IOH
IOL
VSWL
VSWM
VSWH
CAPâCDM
II
IO
II/IO
VIL
VIH
Ratio of FG frequency and
commutation frequency
Duty factor
Pulse width LOW
Output sink current
Output source current
Lower switching level
Middle switching level
Upper switching level
Output sink current
Output source current HIGH
Lower source current LOW
Lower switching level
Middle switching level
Upper switching level
Output sink current
Output source current
Ratio of sink to source current
Input voltage level LOW
Input voltage level HIGH
Conditions
IO = 1.6 mA
HIGH-to-LOW;
CL = 50 pF;
RL = 10 kW
IO =1.6 mA
HIGHâtoâLOW
CL = 50 pF
RL = 10 kW
after a PG IN pulse
Min
Typ
â
â
â
â
â
0.5
Max
0.4
VP
â
4
â
10
â
â
0.4
â
â
VP
â
0.5
â
â
1:2
â
â
50
â
5
7
15
1.5
2.0
2.5
â2.5
â2.0
â1.5
â
0.20
â
â
0.30
â
â
2.20
â
22
30
38
â70
â63
â56
â6.0
â5.3
â4.6
â
50
â
â
0.30
â
â
2.20
â
10.6
16.2
22
â5.3
â8.1
â11
1.85
2.05
2.25
780
860
940
2.3
2.4
2.55
Unit
V
V
ms
ms
V
V
ms
â
%
ms
mA
mA
V
V
V
mA
mA
mA
mV
V
V
mA
mA
mV
V
March 1997
8/19
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