TDA5145 Datasheet, PDF (8/24 Pages) NXP Semiconductors – Brushless DC motor drive circuit

Philips Semiconductors
Brushless DC motor drive circuit
Product specification
TDA5145
SYMBOL
PARAMETER
CONDITIONS
RESET
V_IH
HIGH level input voltage
V_IL
LOW level input voltage
I_IL
LOW level input current
I_IH
HIGH level input current
reset mode;
4 V < V_P < 18 V
normal mode;
4 V < V_P < 18 V
V_I = 2.0 V
V_I = 0.8 V
BRAKE
V_IH
HIGH level input voltage
V_IL
LOW level input voltage
I_IL
LOW level input current
I_IH
HIGH level input current
brake mode;
4 V < V_P < 18 V
normal mode;
4 V < V_P < 18 V
V_I = 2.0 V
V_I = 0.8 V
FG (open collector)
V_OL
V_OH(max)
t_THL
δ
LOW level output voltage
I_O = 1.6 mA
maximum HIGH level output voltage
HIGH-to-LOW transition time
C_L = 50 pF; R_L = 10 kΩ
ratio of FG frequency and
commutation frequency
duty factor
CAP-ST
I_sink
I_source
V_SWL
V_SWH
output sink current
output source current
LOW level switching voltage
HIGH level switching voltage
CAP-TI
I_sink
I_source
V_SWL
V_SWM
V_SWH
output sink current
output source current
LOW level switching voltage
MIDDLE level switching voltage
HIGH level switching voltage
0.2 V < V_CAP-TI < 0.3 V
0.3 V < V_CAP-TI < 2.2 V
CAP-CD
I_sink
I_source
I_sink/I_source
V_IL
V_IH
output sink current
output source current
ratio of sink to source current
LOW level input voltage
HIGH level input voltage
MIN.
TYP.
MAX. UNIT
2.0
−
−
V
−
−
0.8
V
−
−20
−
µA
−
20
−
µA
2.0
−
−
V
−
−
0.8
V
−
−20
−
µA
−
20
−
µA
−
−
0.4
V
V_P
−
−
V
−
0.5
−
µs
−
1:2
−
−
50
−
%
1.5
2.0
2.5
µA
−2.5 −2.0
−1.5
µA
−
0.20
−
V
−
2.20
−
V
−
28
−
µA
−
−57
−
µA
−
−5
−
µA
−
50
−
mV
−
0.30
−
V
−
2.20
−
V
10.6 16.2
22
µA
−5.3 −8.1
−11
µA
1.85 2.05
2.25
850
875
900
mV
2.3
2.4
2.55
V
June 1994
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