TDA5142T Datasheet, PDF (8/20 Pages) NXP Semiconductors – Brushless DC motor drive circuit

Philips Semiconductors
Brushless DC motor drive circuit
Product specification
TDA5142T
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
FG (push-pull)
V_OL
LOW level output voltage
V_OH
HIGH level output voltage
t_THL
HIGH-to-LOW transition time
ratio of FG frequency and
commutation frequency
I_O = 1.6 mA
−
I_O = −60 µA
C_L = 50 pF; R_L = 10 kΩ −
−
−
0.4
V
V_P − 0.3 −
V
0.5
−
µs
1
−
CAP-ST
I_sink
I_source
V_SWL
V_SWH
output sink current
output source current
LOW level switching voltage
HIGH level switching voltage
1.5
2.0
2.5
µA
−2.5 −2.0
−1.5
µA
−
0.20
−
V
−
2.20
−
V
CAP-TI
I_sink
output sink current
−
28
−
µA
I_source
output source current
0.2 V < V_CAP-TI < 0.3 V
−
−57
−
µA
0.3 V < V_CAP-TI < 2.2 V
−
−5
−
µA
V_SWL
LOW level switching voltage
−
50
−
mV
V_SWM
MIDDLE level switching voltage
−
0.30
−
V
V_SWH
HIGH level switching voltage
−
2.20
−
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
10.6 16.2
22
µA
−5.3 −8.1
−11
µA
1.85 2.05
2.25
850
875
900
mV
2.3
−
2.5
V
CAP-DC
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
10.1 15.5
20.9
µA
−20.9 −15.5 −10.1 µA
0.9
1.025 1.15
850
875
900
mV
2.3
−
2.5
V
Notes
1. An unstabilized supply can be used.
2. V_VMOT = V_P, all other inputs at 0 V; all outputs at V_P; I_O = 0 mA.
3. Switching levels with respect to driver outputs OUT-NA, OUT-NB, OUT-NC, OUT-PA, OUT-PB and OUT-PC.
June 1994
8