AMIS-30521 Datasheet, PDF (7/28 Pages) AMI SEMICONDUCTOR – Micro-stepping Motor Driver

AMIS−30521, NCV70521
Table 5. DC PARAMETERS
(DC Parameters are Given for V_BB and Temperature in Their Operating Ranges Unless Otherwise Specified)
Convention: Currents Flowing in the Circuit are Defined as Positive
Symbol
Pin(s)
Parameter
Remark/Test Conditions Min
Typ
Max
DIGITAL OUTPUTS
V_OL
DO, ERR Logic Low Level Open Drain
THERMAL WARNING AND SHUTDOWN
I_OL = 5 mA
0.30
T_tw
T_tsd
(Notes 10, 11)
Thermal Warning
Thermal Shutdown
138
145
152
T_tw + 20
CHARGE PUMP
V_cp
Output Voltage
VCP
6 V v V_BB v 14 V
14 V < V_BB v 30 V
V_BB +
10
2 * V_BB
− 2.5
V_BB +
15
C_buffer
External Buffer Capacitor
C_pump
CPP CPN External Pump Capacitor
PACKAGE THERMAL RESISTANCE VALUES
180
220
470
180
220
470
Rth_ja
Thermal Resistance
Junction−to−Ambient
Simulated Conform JEDEC
JESD−51, (2S2P)
30
NQFP
Rth_jp
Thermal Resistance
Junction−to−Exposed Pad
0.95
SPEED AND LOAD ANGLE OUTPUT
V_out
Output Voltage Range
0.2
V_DD −
0.2
SLAG = 0
V_off
Output Offset SLA Pin
SLAG = 1
SLA
SLAG = 0
G_sla
Gain of SLA Pin = V_BEMF / V_COIL
SLAG = 1
−50
50
−30
30
0.5
0.25
R_out
Output Resistance SLA Pin
C_load
Load Capacitance SLA Pin
10. No more than 100 cumulative hours in life time above T_tw
11. Thermal shutdown is derived from Thermal Warning
0.23
1
50
Unit
V
°C
°C
V
nF
nF
K/W
K/W
V
mV
mV
kW
pF
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