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TMI8123

1CH H-bridge Motor Driver with Integrated Current Sense and Regulation

产品详细信息

特性
说明

·N-Channel H-bridge Motor Driver: 

– Drives One Bidirectional Brushed DC Motor, 

– Two Unidirectional Brushed DC Motors, 

– or Other Resistive and Inductive Loads

·Wide 4.5V to 37V Operating Voltage

·10A Peak Current Drive 

·Integrated Current Sensing and Regulation

·PH/EN and PWM Input Control Modes 

·Cycle-by-cycle or Fixed Off-Time Current Regulation

·Supports 1.8V, 3.3V, 5V Logic Inputs

·Ultra-Low Power Sleep Mode

·VM Under Voltage Lockout (UVLO)

·Over Current Protection (OCP)

·Thermal Shutdown (TSD)

·Automatic Fault Recovery and Indicator Pin

·Package

- TMI8123: QFN4x4-16


The TMI8123 i🌱s a motor driver for wide variety&▨nbsp;of end applications. The device integrates an&🅠nbsp;H-bridge, charge pump regulator, current sensi🔜ng and regulation, current proportional output, and protection circuitry. T𝓰he charge pump improves efficien💫cy by allowing for both high and low side N-channels MOSFETs and 100% duty cycle support. 

Integrate🐈d current sensing all🍃ows for the driver to regulate the motor curre🐬🐲nt during start up and high load events. A c🍬urrent limit can be 🌱set with an adjustabl🌼e external voltage reference. Additionally, the device provides an output current proportional to the motor loa𝐆d current. This can be used to detect motor stall or change in load conditions. 

A low-power sleep mode is provided to achieve ultra- low quiescent curre🌺nt draw by sh🍃utting down most of the internal circuitry. The device is f𒁃ully protected from faultꦦs and short circ💧uits, including undervoltage lockout&⛄nbsp;(UVLO), output over-curre🍒nt🌌 protection (OCP), and device thermal shutdown (TSD). Fault conditions are indicated on nFAULT.


TMI8123
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TMI8123

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