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ON Semiconductor LV8702V | Demoboard LV8702VSLDGEVB

PWM Current Control High-Efficiency Stepper Motor Driver

Overview

TopologyOther Topology
Input voltage36 V
Output 12.5 A
IC revision0917

Description

The LV8702V is a 2-channel Full-bridge driver IC that can drive a stepper motor driver, which is capable of micro-step drive and supports quarter step. Current is controlled according to motor load and rotational speed at half step, half step full-torque and quarter step excitation, thereby highly efficient drive is realized. Consequently, the reduction of power consumption, heat generation, vibration and noise is achieved.

Features

  • Built-in 1ch PWM current control stepper motor driver (bipolar type)
    • Ron (High-side Ron: 0.3Ω, Low-side Ron: 0.25Ω, total: 0.55Ω, Ta = 25°C, IO = 2.5A)
  • Micro-step mode is configurable as follows: full step/half step full-torque/half step/quarter step
  • Excitation step moves forward only with step signal input
  • Built-in output short protection circuit (latch method)
  • Control power supply is unnecessary
  • Built-in high-efficient drive function (supports half step full-torque/half step/quarter step excitation mode)
  • Built-in step-out detection function (Step-out detection may not be accurate during high speed rotation)
  • IO max=2.5A
  • Built-in thermal shut down circuit
  • BiCDMOS process IC

Typical applications

  • Surveillance camera(CCTV)
  • Textile machine
  • Printer / Scanner

Products

Order Code Data­sheet Simu­lation Downloads Product seriesCVR
(V (DC))
Endurance
(h)
Operating TemperatureIRIPPLE
(mA)
Z
(Ω)
ILeak
(µA)
DF
(%)
Ø D
(mm)
L
(mm)
Technical ReferenceTol. CSizeOperating TemperatureRISOCeramic TypeW
(mm)
H
(mm)
Fl
(mm)
PinsRowsGenderTypeIR
(A)
Packaging Samples
885012205056SPEC
7 files WCAP-CSGP MLCCs 50 V(DC)150 pF 50 2.5 1 X7R0402151K050DFCT10000 ±10% 0402 -55 up to +125 °C10 GΩ X7R Class II 0.5 0.5 0.25
885012205061SPEC
7 files WCAP-CSGP MLCCs 50 V(DC)1 nF 50 2.5 1 X7R0402102K050DFCT10000 ±10% 0402 -55 up to +125 °C10 GΩ X7R Class II 0.5 0.5 0.25
865080642006SPEC
7 files WCAP-ASLI Aluminum Electrolytic Capacitors10 µF 50 2000 -55 °C up to +105 °C 95 2.8 5 12 5 5.5 ASEC055100M050DVCTBB000 ±20%10 MΩ
61302421121SPEC
6 files WR-PHD 2.54 mm THT Dual Pin Header 30.48 -40 up to +105 °C1000 MΩ 24 Dual Pin Header Board Stacker 3 Bag
61301211121SPEC
6 files WR-PHD 2.54 mm THT Pin Header 30.48 -40 up to +105 °C1000 MΩ 12 Single Pin Header Straight 3 Bag
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesCVR
(V (DC))
Endurance
(h)
Operating TemperatureIRIPPLE
(mA)
Z
(Ω)
ILeak
(µA)
DF
(%)
Ø D
(mm)
L
(mm)
Technical ReferenceTol. CSizeOperating TemperatureRISOCeramic TypeW
(mm)
H
(mm)
Fl
(mm)
PinsRowsGenderTypeIR
(A)
Packaging Samples