L6470H
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- Mfr.Part #
- L6470H
- Manufacturer
- STMicroelectronics
- Package / Case
- Datasheet
- Download
- Description
- IC MTR DRV BIPLR 3.3/5V 28HTSSOP
- Stock
- 37,178
- In Stock ：
- 37,178
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Motor Drivers, Controllers
- Voltage - Load :
- 8V ~ 45V
- Current - Output :
- 3A
- Mounting Type :
- Surface Mount
- Function :
- Driver - Fully Integrated, Control and Power Stage
- Motor Type - Stepper :
- Bipolar
- Product Status :
- Active
- Applications :
- General Purpose
- Output Configuration :
- Half Bridge (4)
- Motor Type - AC, DC :
- -
- Supplier Device Package :
- 28-HTSSOP
- Operating Temperature :
- -40°C ~ 150°C (TJ)
- Voltage - Supply :
- 3.3V, 5V
- Technology :
- DMOS
- Step Resolution :
- 1 ~ 1/128
- Interface :
- SPI
- Datasheets
- L6470H
3A mA 500μA mA 1.05mm mm 4.5mm mm Motor Drivers 28 36V V 45V V 9.8mm mm
L6470H Description
The L6470 is an innovative fully integrated system for driving two-phase bipolar stepper motors with micro-stepping that is implemented in analog mixed-signal technology. It includes a dual low RDS(on) DMOS full-bridge, as well as accurate on-chip current sensing circuitry for non-dissipative current regulation and overcurrent protection in all power switches. A true 1/128 steps resolution is attained thanks to a unique control system. User-defined motion profiles including acceleration, deceleration, speed, or goal location can be simply programmed using specific registers on the digital control core. All commands and data registers are delivered through a standard 5-Mbit/s SPI, including those needed to set analog values (current control value, current protection trip point, deadtime, PWM frequency, and so on).
L6470H Features
Operating voltage: 8 - 45 V
7.0 A out peak current (3.0 A r.m.s.)
Low RDS(on) Power MOSFETs
Programmable speed profile and positioning
Programmable power MOS slew rate
Up to 1/128 microstepping
Sensorless stall detection
SPI interface
Low quiescent and standby currents
Programmable non-dissipative overcurrent
protection on high and low-side
Two levels of overtemperature protection
L6470H Applications
Bipolar stepper motors
Motor control applications
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