EVAL6470H Datasheet, PDF (15/70 Pages) STMicroelectronics – dSPIN fully integrated microstepping motor driver with motion engine and SPI

L6470
Electrical characteristics
Table 5. Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
Power bridges disabled,
t_cpwu
Charge pump power-on and wake-up time
C_p = 10 nF, C_boot = 220 nF
650
μs
Internal voltage regulator
V_REG
I_REG
V_{REG, drop}
I_REG,STBY
Voltage regulator output voltage
Voltage regulator output current
Voltage regulator output voltage drop
Voltage regulator standby output current
Integrated analog-to-digital converter
I_REG = 40 mA
2.9 3 3.2 V
40 mA
50
mV
10 mA
N_ADC Analog-to-digital converter resolution
V_ADC,ref Analog-to-digital converter reference voltage
f_S
Analog-to-digital converter sampling
frequency
5
bit
V_RE
V
G
f_PWM
kHz
1. Accuracy depends on oscillator frequency accuracy.
2. Tested at 25 °C in a restricted range and guaranteed by characterization.
3. Rise and fall time depends on motor supply voltage value. Refer to SR_out values in order to evaluate the actual rise and fall
time.
4. Not valid for STBY/RST pin which has internal pull-down resistor.
5. Not valid for SW and CS pins which have internal pull-up resistors.
6. FLAG, BUSY and SYNC open drain outputs included.
7. See Figure 18 – SPI timings diagram for details.
Doc ID16737 Rev 5
15/70