TPS2830 - 具有使能端的非反向快速同步降压 MOSFET 驱动器

TPS2830是TI德州仪器公司的一款半桥驱动器产品，TPS2830是具有使能端的非反向快速同步降压 MOSFET 驱动器，本站介绍了TPS2830的封装应用图解、特点和优点、功能等，并给出了与TPS2830相关的TI元器件型号供参考。

TPS2830 - 具有使能端的非反向快速同步降压 MOSFET 驱动器 - 半桥驱动器 - MOSFET和IGBT栅极驱动器 - 德州仪器

产品描述

The TPS2830 and TPS2831 are MOSFET drivers for synchronous-buck power stages. These devices are ideal for designing a high-performance power supply using switching controllers that do not have MOSFET drivers. The drivers are designed to deliver 2.4-A peak currents into large capacitive loads. The high-side driver can be configured as a ground-reference driver or as a floating bootstrap driver. An adaptive dead-time control circuit eliminates shoot-through currents through the main power FETs during switching transitions, providing higher efficiency for the buck regulator. The TPS2830/31 drivers have additional control functions: ENABLE, SYNC, and CROWBAR. Both drivers are off when ENABLE is low. The driver is configured as a nonsynchronous-buck driver, disabling the low side driver when SYNC is low. The CROWBAR function turns on the low-side power FET, overriding the IN signal, for over-voltage protection against faulted high-side power FETs.

The TPS2830 has a noninverting input. The TPS2831 has an inverting input. The TPS2830/31 drivers are available in 14-terminal SOIC and thermally-enhanced TSSOP PowerPADE packages, and operate over a virtual junction temperature range of \x9640°C to 125°C.

产品特性

Floating Bootstrap or Ground-Reference High-Side Driver
Adaptive Dead-Time Control
50-ns Max Rise/Fall Times and 100-ns Max Propagation Delay \x96 3.3-nF Load
Ideal for High-Current Single or Multiphase Power Supplies
2.4-A Typical Peak Output Current
4.5-V to 15-V Supply Voltage Range
Internal Schottky Bootstrap Diode
SYNC Control for Synchronous or Nonsynchronous Operation
CROWBAR for OVP, Protects Against Faulted High-Side Power FETs
Low Supply Current....3-mA Typical
\x9640°C to 125°C Operating Virtual Junction Temperature Range
Available in SOIC and TSSOP PowerPAD Packages

PowerPAD is a trademark of Texas Instruments Incorporated.

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