TLE4726

Features: • 2 ´ 0.75 A / 50 V outputs• Integrated driver, control logic and current control (chopper)• Fast free-wheeling diodes• Low standby-current drain• Full, half, quarter, mini stepApplicationThe TLE 4726 is intended to drive both phases of a stepper motor...

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TLE4726 Picture
SeekIC No. : 004521015 Detail

TLE4726: Features: • 2 ´ 0.75 A / 50 V outputs• Integrated driver, control logic and current control (chopper)• Fast free-wheeling diodes• Low standby-current drain• Full,...

floor Price/Ceiling Price

Part Number:
TLE4726
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

• 2 ´ 0.75 A / 50 V outputs
• Integrated driver, control logic and
   current control (chopper)
• Fast free-wheeling diodes
• Low standby-current drain
• Full, half, quarter, mini step



Application

The TLE 4726 is intended to drive both phases of a stepper motor. Special care has been taken to provide high efficiency, robustness and to minimize external components.


Pinout

  Connection Diagram


Specifications

TA = 40 to 125 °
Parameter Symbol Limit Values Unit Remarks
min. max.
Supply voltage VS 0 52 V -
Logic supply voltage VL 0 6.5 V Z-diode
Z-current of VL IL - 50 mA -
Output current IQ -1 1 A -
Ground current IGND -2 2 A -
Logic inputs VIxx -6 VL +
0.3
V IXX ; Phase 1, 2;
Inhibit
R1, R2, oscillator input voltage VRX,
VOSC
-0.3 VL +
0.3
V -
Junction temperature Tj
Tj
-
-
125
150
°C
°C

max. 1,000 h
Storage temperature Tstg -50 125 °C -



Description

TLE4726 is a bipolar, monolithic IC for driving bipolar stepper motors, DC motors and other inductive loads that operate on constant current. The control logic and power output stages for two bipolar windings are integrated on a single chip which permits switched current control of motors with 0.75 A per phase at operating voltages up to 50 V.

The direction and value of current are programmed for each phase via separate control inputs. A common oscillator generates the timing for the current control and turn-on with phase offset of the two output stages. The two output stages in a full-bridge configuration have integrated, fast free-wheeling diodes and are free of crossover current. The logic of TLE4726 is supplied either separately with 5 V or taken from the motor supply voltage by way of a series resistor and an integrated Z-diode. The TLE4726 can be driven directly by a microprocessor with the possibility of all modes from full step through half step to mini step.




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