AMIS-30621 LIN Micro-stepping Motor Driver
Data Sheet
9.0 DC Parameters
The DC parameters are given for Vbb and temperature in their operating ranges. Convention: currents flowing in the circuit are defined
as positive.
Table 5: DC Parameters
Symbol
Pin(s)
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Motor Driver
Max current through motor coil in normal
operation
Max RMS current through coil in normal
operation
IMSmax,Peak
800
570
mA
mA
IMSmax,RMS
IMSabs
IMSrel
Absolute error on coil current
Error on current ratio Icoilx / Icoily
-10
-7
10
7
%
%
Ω
MOTXP
MOTXN
MOTYP
MOTYN
Vbb = 12V, Tj = 50°C
Vbb = 8V, Tj = 50°C
Vbb = 12V, Tj = 150°C
0.50
0.55
0.70
0.85
2
1
1
Ω
On resistance for each motor pin
(including bond wire) at IMSmax
RDSon
1
Ω
V
bb = 8V, Tj = 150°C
1
Ω
IMSL
Pull down current
HiZ mode
mA
LIN Transmitter
Ibus_on
Dominant state, driver on
Dominant state, driver off
Recessive state, driver off
Current limitation
Vbus = 1.4V
Vbus = 0V
40
-1
mA
mA
µA
Ibus_off
LIN
Ibus_off
Ibus_lim
Rslave
Vbus = Vbat
20
200
47
50
20
mA
kΩ
Pull-up resistance
30
LIN Receiver
Vbus_dom
Receiver dominant state
Receiver recessive state
Receiver hysteresis
0
0.4 *Vbb
Vbb
V
V
V
LIN
Vbus_rec
Vbus_hys
0.6 * Vbb
0.05 * Vbb
0.2 * Vbb
Thermal Warning and Shutdown
Ttw
Thermal warning
138
145
152
°C
°C
°C
(1) (2)
(2)
Ttsd
Tlow
Thermal shutdown
Ttw + 10
Ttw - 155
Low temperature warning
Supply and Voltage Regulator
Vbb
Nominal operating supply range
6.5
6.5
7.8
7.1
8.8
8.0
9.0
18
29
V
Vbb
Nominal operating supply range
Stop voltage high threshold
Stop voltage low threshold
Stop voltage high threshold
Stop voltage low threshold
Supply voltage for OTP zapping (3)
Total current consumption
Sleep mode current consumption
Internal regulated output (4)
Digital current consumption
Tamb ≤ 85°C
UV1
UV2
UV1
UV2
VbbOTP
Ibat
8.4
7.5
9.4
8.5
8.9
V
V
Product versions with low UV;
see Ordering Information
8.0
VBB
9.9
V
Product versions with high UV;
see Ordering Information
9.0
V
10.0
10.0
100
5.50
V
Unloaded outputs
3.50
50
5
mA
µA
V
Ibat_s
Vdd
8V < Vbb < 18V
Vbb < UV2
4.75
IddStop
2
mA
VDD
Digital supply reset level @ power down
VddReset
IddLim
4.5
42
V
(5)
Current limitation
Pin shorted to ground
Switch to Gnd or Vbat,
mA
Switch Input and Hardwire Address Input
SWI HW2
Rt_OFF
Switch OFF resistance (6)
10
kΩ
AMI Semiconductor – Sept. 2007, Rev 1.5
6
www.amis.com
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