L6480 Datasheet, PDF (11/73 Pages) STMicroelectronics – The L6480, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping.

L6480
3
Electrical characteristics
Electrical characteristics
V_S = 48 V_; V_CC= 7.5 V; T_j = 25 °C, unless otherwise specified.
Table 5. Electrical characteristics
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
General
V_CCthOn V_CC UVLO turn-on threshold
UVLO_VAL set high⁽¹⁾
UVLO_VAL set low⁽¹⁾
V_CCthOff V_CC UVLO turn-off threshold
UVLO_VAL set high⁽¹⁾
UVLO_VAL set low⁽¹⁾
ΔV_BOOTthOn V_BOOT - V_S UVLO turn-on threshold
UVLO_VAL set high⁽¹⁾
UVLO_VAL set low⁽¹⁾
ΔV_BOOTthOff V_BOOT - V_S UVLO turn-off threshold
UVLO_VAL set high⁽¹⁾
UVLO_VAL set low⁽¹⁾
V_REGthOn V_REG turn-on threshold
(1)
V_REGthOff V_REG turn-off threshold
(1)
I_VREGqu
Undervoltage V_REG quiescent supply current
V_CCREG = V_REG < 2.2
V⁽¹⁾
I_VREGq Quiescent V_REG supply current
V_CCREG = V_REG = 3.3 V_,
internal oscillator
selected⁽¹⁾
I_VSREGq Quiescent V_SREG supply current
V_CCREG = V_CC = 15V
Thermal protection
T_j(WRN)Set Thermal warning temperature
T_j(WRN)Rec Thermal warning recovery temperature
T_j(OFF)Set Thermal bridge shutdown temperature
T_j(OFF)Rec
Thermal bridge shutdown recovery
temperature
T_j(SD)Set
T_j(SD)Rec
Thermal device shutdown temperature
Thermal device shutdown recovery
temperature
Charge pump
V_pump
f_pump,min
f_pump,max
R_pumpHS
Voltage swing for charge pump oscillator
Minimum charge pump oscillator frequency⁽²⁾
Maximum charge pump oscillator
frequency⁽²⁾
Charge pump high-side R_DS(on) resistance
9.9 10.4 10.9 V
6.5 6.9 7.3 V
9.5 10 10.5 V
5.9 6.3 6.7 V
8.6 9.2 9.8 V
5.7 6 6.3 V
8.2 8.8 9.5 V
5.3 5.5 5.8 V
2.8 3 3.18 V
2.2 2.4 2.5 V
40
μA
3.8
mA
6.5
mA
135
°C
125
°C
155
°C
145
°C
170
°C
130
°C
V_CC
V
660
kHz
800
kHz
10
Ω
Doc ID 023278 Rev 3
11/73