AMIS-30521 Datasheet, PDF (4/28 Pages) AMI SEMICONDUCTOR – Micro-stepping Motor Driver

AMIS−30521, NCV70521
Table 2. ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Min
Max
Unit
V_BB
Analog DC Supply Voltage (Note 1)
−0.3
+40
V
V_DD
Logic Supply Voltage
−0.3
+7.0
V
T_ST
Storage Temperature
−55
+160
°C
T_J
Junction Temperature (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 < 0.5s
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; Human Body Model (100 pF via 1.5 kW, according to JEDEC EIA−JESD22−A114−B)
Table 3. THERMAL RESISTANCE
Thermal Resistance
Junction−to−Ambient
Package
Junction−to−Exposed Pad
1S0P Board
2S2P Board
Unit
NQFP−32
0.95
60
30
K/W
EQUIVALENT SCHEMATICS
The following figure gives the equivalent schematics of the user relevant inputs and outputs. The diagrams are simplified
representations of the circuits used.
4k
IN
Rpd
OUT
TYPE 1: CLR Input
4k
IN
TYPE 4: DO and ERR Open
Drain Outputs
R_out
SLA
TYPE 2: CLK, DI, CS, NXT, DIR Inputs
VDD
VDD
VBB
VBB
TYPE 5: SLA Analog Output
TYPE 3: V_DD and V_BB Power Supply Inputs
Figure 2. In− and Output Equivalent Diagrams
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