TMC603A Datasheet, PDF (38/44 Pages) TRINAMIC Motion Control GmbH & Co. KG. – Three phase motor driver with BLDC back EMF commutation hallFX™ and current sensing

TMC603A DATA SHEET (V. 1.15 / 2009-Nov-19)
38
Switched capacitor filter 2^nd
order
DC-Characteristics, AC-Characteristics
V_VM = 24 V, V_VCC = 5.0 V
Parameter
Attenuation of voltage
V_BMX to V_FILTX
Output resistance of FILTX
Output current limit at FILTX
Noise voltage on FILTX
3dB bandwidth
Symbol Conditions
A_FILTLO V_BMX > 0.9V
R_FILTX
I_FILTX Current sourcing
V_FILTXNOISE V_BMX = 12V
f_SCCLK = 1.25MHz
f_CUTOFF
Switched capacitor filter clock
frequency for normal operation
f_SCCLK
f_SCCLK = 1.25MHz
f_SCCLK = 2.5MHz
Min
Typ
Max Unit
V_BMX/15
V
– 0.9V
21
30
40
k
20
µA
20
mV
3.0
0.25
1/390
f_SCCLK
3.2
6.4
Hz
3.4 kHz
kHz
4
MHz
hallFX™ unit
Parameter
DC-Characteristics, AC-Characteristics
V_VM = 24 V, V_VCC = 5.0 V
Symbol Conditions
Min
Noise voltage of comparators
V_COMPNOISE V_BMX = 12V
including switched capacitor filter
Offset voltage of comparators
V_COMPOFFS V_BMX = 12V
including switched capacitor filter
and input attenuation
-400
Spike suppression comparator
V_{SP_SUP} V_{SP_SUP} rising
2.0
threshold
Spike suppression capacitor
I_{SP_SUP} V_{SP_SUP} = 1V
15
charging current
Spike suppression capacitor
I_{SP_SUP} V_{SP_SUP} = 1V
-0.5
discharging current
Dead time for spike suppression t_{SP_SUP} C_{SP_SUP} = 1nF
60
Typ
50
0
V_VCC/2
25
-1
100
Max Unit
150 mV
400 mV
2.8
V
35
µA
-1.5 mA
180
µs
Copyright © 2009 TRINAMIC Motion Control GmbH & Co. KG