AMIS-30543 Datasheet, PDF (3/38 Pages) ON Semiconductor – Micro-Stepping Motor Driver

AMIS−30543
Table 1. PIN LIST AND DESCRIPTION
Name
GND
DI
CLK
NXT
DIR
ERR
SLA
/
CPN
CPP
VCP
CLR
CS
VBB
MOTYP
GND
MOTYN
MOTXN
GND
MOTXP
VBB
POR/WD
TST0
/
DO
VDD
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15, 16
17, 18
19, 20
21, 22
23, 24
25, 26
27
28
29
30
31
32
Description
Ground
SPI Data In
SPI Clock Input
Next micro−step input
Direction input
Error output (open drain)
Speed load angle output
No function (to be left open in normal operation)
Negative connection of charge pump capacitor
Positive connection of charge pump capacitor
Charge pump filter−capacitor
“Clear” = chip reset input
SPI chip select input
High voltage supply Input
Negative end of phase Y coil output
Ground, heat sink
Positive end of phase Y coil output
Positive end of phase X coil output
Ground, heat sink
Negative end of phase X coil output
High voltage supply input
Power−on−reset and watchdog reset output (open drain)
Test pin input (to be tied to ground in normal operation)
No function (to be left open in normal operation)
SPI data output (open drain)
Logic supply output (needs external decoupling capacitor)
Type
Supply
Digital Input
Digital Input
Digital Input
Digital Input
Digital Output
Analog Output
High Voltage
High Voltage
High Voltage
Digital Input
Digital Input
Supply
Driver Output
Supply
Driver Output
Driver Output
Supply
Driver Output
Supply
Digital Output
Digital Input
Digital Output
Supply
Equivalent
Schematic
Type 2
Type 2
Type 2
Type 2
Type 4
Type 5
Type 1
Type 2
Type 3
Type 3
Type 4
Type 4
Type 3
Table 2. ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Min
Max
Unit
V_BB
Analog DC supply voltage (Note 1)
−0.3
+40
V
T_ST
Storage temperature
−55
+160
°C
T_J
Junction Temperature under bias (Note 2)
−50
+175
°C
V_ESD
Electrostatic discharges on component level, All pins (Note 3)
−2
+2
kV
V_ESD
Electrostatic discharges on component level, HiV pins (Note 4)
−8
+8
kV
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. For limited time < 0.5 s.
2. Circuit functionality not guaranteed.
3. Human body model (100 pF via 1.5 kW, according to JEDEC EIA−JESD22−A114−B).
4. HiV = High Voltage Pins MOTxx, V_BB, GND; (100 pF via 1.5 kW, according to JEDEC EIA−JESD22−A114−B).
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