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UCD7100-具有电流感应的数字控制兼容单输出低侧 +/- 4A MOSFET 驱动器
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TI产品 - UCD7100介绍

UCD7100 - 具有电流感应的数字控制兼容单输出低侧 +/- 4A MOSFET 驱动器

UCD7100是TI德州仪器公司的一款数字电源控制驱动器产品，UCD7100是具有电流感应的数字控制兼容单输出低侧 +/- 4A MOSFET 驱动器，本站介绍了UCD7100的封装应用图解、特点和优点、功能等，并给出了与UCD7100相关的TI元器件型号供参考。

UCD7100 - 具有电流感应的数字控制兼容单输出低侧 +/- 4A MOSFET 驱动器 - 数字电源控制驱动器 - 数字电源控制解决方案 - 德州仪器

产品描述

The UCD7100 is a member of the UCD7K family of digital control compatible drivers for applications utilizing digital control techniques or applications requiring fast local peak current limit protection.

The UCD7100 is a low-side ±4-A high-current MOSFET gate driver. It allows the digital power controllers such as UCD9110 or UCD9501 to interface to the power stage in single ended topologies. It provides a cycle-by-cycle current limit function with programmable threshold and a digital output current limit flag which can be monitored by the host controller. With a fast 25-ns cycle-by-cycle current limit protection, the driver can turn off the power stage in the unlikely event that the digital system can not respond to a failure situation in time.

For fast switching speeds, the UCD7100 output stage uses the TrueDrive™ output architecture, which delivers rated current of ±4 A into the gate of a MOSFET during the Miller plateau region of the switching transition. It also includes a 3.3-V, 10-mA linear regulator to provide power to the digital controller.

The UCD7000 driver family is compatible with standard 3.3-V I/O ports of DSPs, Microcontrollers, or ASICs. UCD7100 is offered in aPowerPAD™ HTSSOP-14.

产品特性

  • Adjustable Current Limit Protection
  • 3.3-V, 10-mA Internal Regulator
  • DSP/µC Compatible Inputs
  • Single ±4-A TrueDrive™ High Current Driver
  • 10-ns Typical Rise and Fall Times with 2.2-nF Loads
  • 25-ns Input-to-Output Propagation Delay
  • 25-ns Current Sense to Output Delay
  • Programmable Current Limit Threshold
  • Digital Output Current Limit Flag
  • 4.5-V to 15-V Supply Voltage Range
  • Rated from –40°C to 105°C
  • Lead(Pb)-Free Packaging
  • APPLICATIONS
    • Digitally Controlled Power Supplies
    • DC/DC Converters
    • Motor Controllers
    • Line Drivers

All other trademarks are the property of their respective owners

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