L6470H STMicroelectronics, L6470H Datasheet - Page 18

• 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

Typical applications
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Typical applications
Table 6.
Figure 3.
C
C
C
C
Name
REGPOL
C
C
DDPOL
R
C
VSPOL
C
C
R
BOOT
D1
R
R
REG
FLY
SW
SW
VS
DD
PU
A
B
Typical application values
Bipolar stepper motor control application using L6470
Doc ID 16737 Rev 2
BAT46SW or 2x 1N4148
2.7 kΩ (VS = 36 V)
62 kΩ (VS = 36 V)
220 nF
100 µF
100 nF
100 nF
220 nF
39 kΩ
100 Ω
value
47 µF
10 µF
10 nF
10 nF
L6470