AMIS-30543 Datasheet, PDF (7/38 Pages) ON Semiconductor – Micro-Stepping Motor Driver

AMIS−30543
Table 4. DC PARAMETERS (The 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 Unit
DIGITAL OUTPUTS
V_OL
DO, ERR, Logic Low level open drain
POR/WD
I_OL = 5 mA
0.5
V
THERMAL WARNING AND SHUTDOWN
T_tw
Thermal Warning
T_tsd
Thermal shutdown (Notes 9
and 10)
150
160
170
°C
T_tw + 20
°C
CHARGE PUMP
V_cp
Output voltage
VCP
C_buffer
C_pump
External buffer capacitor
CPP CPN External pump capacitor
PACKAGE THERMAL RESISTANCE VALUE
Rth_ja
NQFP
Thermal Resistance
Junction−to−Ambient
6 V< V_BB < 15 V
15 V < V_BB < 30 V
2 * V_BB – 2
V
V_BB + 9 V_BB + 12.5 V_BB+16 V
180
220
470
nF
180
220
470
nF
Simulated Conform JEDEC
JESD−51, 2S2P
Simulated Conform JEDEC
JESD−51, 1S0P
30
K/W
60
K/W
Rth_jp
NQFP
Thermal Resistance
Junction−to−Exposed Pad
0.95
K/W
SPEED AND LOAD ANGLE OUTPUT
V_out
Output Voltage Range
0.2
V_DD −
V
0.2
V_off
Output Offset SLA pin
G_sla
SLA
Gain of SLA Pin = V_BEMF / V_COIL SLAG = 0
SLAG = 1
R_out
Output Resistance SLA pin
9. No more than 100 cumulated hours in life time above T_tw.
10. Thermal shutdown is derived from thermal warning. Characterization Data Only.
−50
0.5
0.25
50
mV
1
kW
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