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TMI8423

零售价
0.0
市场价
0.0
浏览量:
1000
产品编号
VM (V):
6.5 to 45
Input Mode:
PWM (2 lines)
Continue/Peak Current (A):
1.0/3.6
Rds(on) (HS+LS) (Ω):
1
CC mode:
Protection:
UVLO,TSD,OCP
Package:
ETSSOP16
Status:
MP
数量
-
+
库存:
0
所属分类
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FEATURES
参数
GENERAL DESCRIPTION
APPLICATIONS
TYPICAL APPILCATION
  • Duel H-Bridge Motor Driver

  • Drives Two DC Motors, One Stepper Motor, or Other Loads

  • Wide 6.8V to 45V Operating Voltage

  • 3.6-A Peak Current Drive

  • Parallel PWM Control Interface

  • Integrated Current Regulation

  • Low-Power Sleep Mode

  • VBB Undervoltage Lockout (UVLO)

  • Overcurrent Protection (OCP)

  • Thermal Shutdown (TSD)

  • Automatic Fault Recovery

  • TSSOP16 Package and Footprint

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The TMI8423 device is the duel H-bridge motor driver for printers, appliances, industrial equipment, and other small machines. Two sets of logic inputs control the H-bridge drivers, which drives a bipolar stepper motor or two DC motors. TMI8423 is capable of driving motors with up to 3.6-A peak current. The inputs can be pulse width modulated (PWM) to control motor speed, using a choice of current-decay modes. Setting all inputs slow enter a low-power sleep mode.

The TMI8423 device features integrated current regulation, based on the analog inputs VREF and the voltage on the LSS pins, which are proportional to motor current through an external sense resistor. The ability to limit current to a known level can significantly reduce the system power requirements and bulk capacitance needed to maintain stable voltage, especially for motor startup and stall conditions.

The device is fully protected from faults and short circuits, including UVLO,OCP, and TSD.

  • Printers

  • Appliances

  • Industrial Equipment

  • Other Mechatronics Applications

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2020-09-20 21:36:41
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