L6470H STMicroelectronics, L6470H Datasheet - Page 15

• Manufacturer Part Number: L6470H
• Description: Motor / Motion / Ignition Controllers & Drivers 8 - 45V 7.0A 1/128 Microstepping SPI
• Manufacturer: STMicroelectronics
• Type: Micro Stepping Motor Driverr
• Series: -r

Specifications of L6470H

• Product: Stepper Motor Controllers / Drivers
• Operating Supply Voltage: 8 V to 45 V
• Supply Current: 0.5 mA
• Mounting Style: SMD/SMT
• Package / Case: HTSSOP-28
• Operating Temperature: - 40 C to + 125 C
• Applications: Stepper Motor Driver, 2 Phase
• Evaluation Tools: *
• Number Of Outputs: 1
• Current - Output: 3A
• Voltage - Load: 8 V ~ 45 V
• Voltage - Supply: 3.3V, 5V
• Mounting Type: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L6470
Table 4.
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
4. Not valid for STBY/RST pin which have internal pull-down resistor.
5. Not valid for SW and CS pins which have internal pull-up resistor
6. FLAG, BUSY and SYNC open drain outputs included.
7. See
Internal voltage regulator
Integrated analog to digital converter
V
I
REG,STBY
Symbol
V
REG, drop
time.
V
N
ADC,ref
t
I
cpwu
REG
REG
ADC
f
S
Figure
16– SPI timings diagram for details.
Electrical characteristics (continued)
Charge pump power-on and wake-up time
Voltage regulator output voltage
Voltage regulator output current
Voltage regulator output voltage drop
Voltage regulator standby output current
Analog to digital converter resolution
Analog to digital converter reference voltage
frequency
Analog to digital converter sampling
Parameter
Doc ID 16737 Rev 2
Power bridges disabled,
C
C
I
REG
p
boot
= 10nF,
out
= 40mA
= 220nF
Test condition
values in order to evaluate the actual rise and fall
Electrical characteristics
Min
2.9
V
f
Typ
650
PWM
50
REG
3
5
Max Unit
3.2
40
10
15/64
kHz
mV
mA
mA
μs
bit
V
V