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AMIS30421C4211RG Datasheet(PDF) 7 Page - ON Semiconductor

Part # AMIS30421C4211RG
Description  Micro-Stepping Stepper Motor Bridge Controller
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

AMIS30421C4211RG Datasheet(HTML) 7 Page - ON Semiconductor

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AMIS−30421
http://onsemi.com
7
Table 4. DC PARAMETERS
The DC parameters are given for VBB and temperature in their operating ranges unless otherwise specified.
Convention: currents flowing in the circuit are defined as positive.
Symbol
Unit
Max
Typ
Min
Remark/Test Conditions
Parameter
Pin(s)
PRE−DRIVER
VSENS0
RSENSxx
PWM comparator toggle level 0
78
100
122
mV
VSENS1
PWM comparator toggle level 1
105.3
135
164.7
mV
VSENS2
PWM comparator toggle level 2
156
200
244
mV
VSENS3
PWM comparator toggle level 3
210.6
270
391.4
mV
VSENS4
PWM comparator toggle level 4
261.3
335
408.7
mV
VSENS5
PWM comparator toggle level 5
312
400
488
mV
VSENS6
PWM comparator toggle level 6
390
500
610
mV
VSENS7
PWM comparator toggle level 7
468
600
732
mV
DIGITAL INPUTS
VIL
CLK, DI,
CSb,
NXT, DIR,
CLR
Logic Low Threshold
0
0.3 x VDD
V
VIH
Logic High Threshold
0.7 x VDD
VDD
V
Rpd
Internal Pull Down Resistor
CSb excluded,
See also Figure 3
25
50
75
kW
Rpu
CSb
Internal Pull Up Resistor
See also Figure 3
25
50
75
kW
DIGITAL OUTPUTS
VOL
DO,
ERRb,
WDb
Logic low output level
Output set to type 4 (see
Figure 3)
0.5
V
VOH
Logic high output level
VDD − 0.5
VOL_OPEN
Logic Low level open drain
IOL = 8 mA, Output set to type 2
(see Figure 3)
0.5
SPEED AND LOAD ANGLE OUTPUT
Vout
SLA
Output Voltage Range
0.5
VDD − 0.5
V
Voff
Output Offset SLA−pin
Selectable through SPI
0.6
1.2
V
Voff_tol
Tolerance on SLA output offset
−17
+17
%
GSLA
Gain of SLA−pin = VBEMF / VSLA
Selectable through SPI
0.0625
1
GSLA_tol
Tolerance on SLA gain
−10
+10
%
Rout
Output Resistance SLA−pin
See also Figure 3
1
kW
ISLA_load
Load current SLA−pin
0
−40
mA
THERMAL WARNING & SHUTDOWN
T1
Trigger level thermal range 1
See Figure 22
−5
15
35
°C
T2
Trigger level thermal range 2
See Figure 22
55
70
85
°C
T3
Trigger level thermal range 3
See Figure 22
138
150
162
°C
TTW
Thermal Warning
See Figure 22
138
150
162
°C
TTSD
Thermal shutdown
See Figure 22
TTW + 20
°C
CHARGE PUMP
VCP − VBB
VCP
Chargepump overdrive voltage
Based on Figure 9
3.5
VBB – 2.5
15.75
V
VCPP
VCPN
Chargepump pumping voltage
3.5
VBB – 2.5
15.75
V
Cpump
External pump capacitor
See also C2 Figure 9
220
nF
Cbuffer
CPP CPN External buffer capacitor
See also C3 Figure 9
220
nF


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