TDA5341 Datasheet, PDF (21/28 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
MIN.
VCM+ and VCM−; pins 37 and 45
V_CMdo
I_oLIM
G_v
V_oPARK
drop-out voltage
output current limiting
power amplifier voltage gain
output park voltage
VCMIN1 and VCMIN2
V_i
input voltage level
I_ibias
input bias current
I_i(os)
input offset current
GAINSEL; pin 15
V_IH
V_IL
I_IH
I_IL
R_SW
HIGH level input voltage
LOW level input voltage
HIGH level input current
LOW level input current
switch resistance
I_o = 400 mA
−
0.7
9
R_L = 40 Ω; note 1 −
1.9
−
−
2
−
−10
−20
GAINSEL = LOW −
GAINSEL = HIGH 10
FB1 and FB2; pins 28 and 29
V_i(os)
∆V_FB
input offset voltage
feed-back differential output
voltage
f_co
I_oFB
t_RSB
R_SW
cross-over frequency
feed-back output current
recovery time from saturation
switch resistance
V_DD = 5.25 V
−5
±0.4
GAINSEL = LOW
GAINSEL = HIGH
−
−250
−
−
10
RETRACT; pin 30
V_IH
HIGH level input voltage
V_IL
LOW level input voltage
I_IH
HIGH level input current
I_IL
LOW level input current
BRAKEDELAY; pin 46
V_BM
brake mode threshold voltage
V_NM
normal mode voltage
2
−
−10
−20
−
V_DD − 0.85
TYP.
0.8
1.15
−
0.75
−
−
25
−
−
−
−
−
−
−
−
10
5
−
−
−
−
−
−
0.75
−
MAX.
UNIT
1.0
V
1.5
A
12
−
V
2.6
V
0.25
µA
−
nA
−
V
0.8
V
+10
µA
+10
µA
40
Ω
−
MΩ
+5
mV
±V_DD − 0.45 V
−
+250
−
40
−
MHz
µA
µs
Ω
MΩ
−
V
0.8
V
+10
µA
+10
µA
1.0
V
−
V
1997 Jul 10
21