TDA5142T Datasheet, PDF (7/20 Pages) NXP Semiconductors – Brushless DC motor drive circuit

Philips Semiconductors
Brushless DC motor drive circuit
Product specification
TDA5142T
SYMBOL
PARAMETER
CONDITIONS
OUT-NA, OUT-NB, OUT-NC, OUT-PA, OUT-PB and OUT-PC
V_O-n
V_O-p
∆V_OL
∆V_OH
n-channel driver output voltage
p-channel driver output voltage
variation in saturation voltage
between lower transistors
variation in saturation voltage
between upper transistors
upper transistor;
I_O = −100 mA
lower transistor;
I_O = 10 mA
upper transistor;
I_O = −10 mA
lower transistor;
I_O = 100 mA
I_O = 100 mA
I_O = −100 mA
I_LIM
current limiting
V_VMOT = 14.5 V;
R_O = 47 Ω
+AMP IN and −AMP IN
V_I
input voltage
differential mode voltage without
‘latch-up’
I_b
C_I
V_offset
input bias current
input capacitance
input offset voltage
AMP OUT (open collector)
I_sink
output sink current
V_sat
saturation voltage
V_O
output voltage
SR
slew rate
G_tr
transfer gain
I_I = 40 mA
R_L = 330 Ω; C_L = 50 pF
BRAKE
V_BM
brake-mode voltage
I_I
input current
enable brake mode;
4 V < V_P < 18 V
normal mode;
4 V < V_P < 18 V
brake mode
normal mode
MIN.
TYP.
MAX. UNIT
−1.05 −
−
−
−1.05 −
−
−
−
−
−
−
150
200
−
V
0.35
V
−
V
0.35
V
180
mV
180
mV
250
mA
−0.3 −
−
−
−
−
−
4
−
−
40
−
−
1.5
−0.5 −
40
−
0.3
−
−
2.7
−
−
−20
−
0
V_P − 1.7 V
±V_P
V
650
nA
−
pF
10
mV
−
mA
2.1
V
+18
V
−
mA/µs
−
S
2.3
V
V
−30
µA
20
µA
June 1994
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