TDF5140 Philips Semiconductors, TDF5140 Datasheet - Page 9
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TDF5140
Manufacturer Part Number
TDF5140
Description
Brushless DC motor drive circuit
Manufacturer
Philips Semiconductors
Datasheet
1.TDF5140.pdf
(19 pages)
Philips Semiconductors
Notes
1. An unstabilized supply can be used.
2. V
3. Switching levels with respect to MOT1, MOT2 and MOT3.
4. Drivers are in the high-impedance OFF-state.
5. The outputs are short-circuit protected by limiting the current and the IC temperature.
APPLICATION INFORMATION
1999 March 15
CAP-CD
I
I
I
V
V
CAP-DC
I
I
I
V
V
sink
source
sink
sink
source
sink
IL
IH
IL
IH
Brushless DC motor drive circuit
(1) Value selected for 3 Hz start-up oscillator frequency.
SYMBOL
/I
/I
VMOT
source
source
= V
Fig.4 Application diagram without use of the operational transconductance amplifier (OTA).
P
(1) Value selected for 3 Hz
, all other inputs at 0 V; all outputs at V
output sink current
output source current
ratio of sink to source current
LOW level input voltage
HIGH level input voltage
output sink current
output source current
ratio of sink to source current
LOW level input voltage
HIGH level input voltage
start-up oscillator frequency
PARAMETER
GND1
18
1
17
2
VMOT
16
3
P
15
4
; I
TDF5140A
10 F
O
CONDITIONS
PGIN
9
= 0 mA.
14
5
PG/FG
13
6
12
7
nF
10
11
8
220
nF
(1)
10.6
1.85
850
2.3
10.1
0.9
850
2.3
10
V P
9
5.3
20.9
18 nF
18 nF
MIN.
MBK985
16.2
2.05
875
2.4
15.5
1.025
875
2.4
8.1
15.5
TYP.
Product specification
TDF5140A
22
2.25
900
2.55
20.9
1.15
900
2.55
11
10.1
MAX.
mV
V
mV
V
UNIT
A
A
A
A