TDA5341 Datasheet, PDF (17/28 Pages) NXP Semiconductors – Brushless DC motor and VCM drive circuit with speed control

Philips Semiconductors
Brushless DC motor and VCM drive circuit
with speed control
Product specification
TDA5341
SYMBOL
PARAMETER
CONDITIONS
MOT0
V_i
I_bias
V_CSW
∆V_CWS
input voltage level
input bias current
comparator switching voltage level
variation in comparator switching
voltage levels within one IC
note 1
MOT1, MOT2 and MOT3; pins 60, 8 and 21
V_DO
drop-out voltage
t_r
output rise time
t_f
output fall time
I_o = 250 mA
I_o = 250 mA;
T_amb = 70 °C
from 0.2 to 0.8V_DD
from 0.8 to 0.2V_DD
Output current limiting circuit; V_ILIM = 5 V; pin 23
I_ILIM
V_ILIM
I_ILIM(CR)
limiting current (estimation)
input voltage
limiting current control range
(estimation)
R_ILIM = 20 kΩ
I_ILIM = 100 µA
I_ILIM = _{1----0---I0--}^o--0---0--
Output current control circuit; pin 24
V_CNTRL
C_CPC
input voltage level
control loop stability capacitor
CAPCPC; pin 22
I_o(sink)
I_o(source)
output sink current
output source current
CAPCP; pin 27
C_extCP
external output capacitor for the
charge pump
I_o(sink)
output sink current
V_CP
charge pump voltage
CAPST; pin 1
I_o(sink)
I_o(source)
V_SW(L)
V_SW(M)
V_SW(H)
output sink current
output source current
lower switching level
middle switching level
upper switching level
note 2
V_DD = 0 V;
V_clamp = 1.2 V
MIN.
−0.3
−1
±6.8
−3.4
−
−
10
10
1.15
2.43
0.01
0
−
30
−5.5
22
−
9.0
4.5
−7.0
−
−
−
TYP.
−
−
±9.2
−
−
−
25
25
1.25
2.51
−
−
100
40
−3.5
−
1
9.9
6.0
−5.5
0.20
0.30
2.20
MAX.
UNIT
V_DD − 1.7 V
0
µA
±11.6
mV
+3.4
mV
0.34
V
0.39
V
35
µs
35
µs
1.35
A
2.60
V
1.3
A
V_DD
V
−
nF
50
µA
−1.5
µA
−
nF
2.5
µA
10.8
V
7.5
µA
−4.0
µA
−
V
−
V
−
V
1997 Jul 10
17