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TPS2834的基本参数
  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:栅极驱动器 - 半桥驱动器
  • 功能描述:具有 TTL 输入和使能功能、用于同相同步降压的 2.4A、28V 半桥栅极驱动器
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TPS2834的产品详情:

The TPS2834 and TPS2835 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 include on-chip MOSFET drivers. The drivers are designed to deliver minimum 2-A peak currents into large capacitive loads. The high-side driver can be configured as ground-reference or as floating-bootstrap. An adaptive dead-time control circuit eliminates shoot-through currents through the main power FETs during switching transitions, and provides high efficiency for the buck regulator. The TPS2834 and TPS2835 have additional control functions: ENABLE, SYNC, and CROWBAR. Both high-side and low-side 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 overvoltage protection against faulted high-side power FETs.

The TPS2834 has a noninverting input, while the TPS2835 has an inverting input. These drivers are available n 14-terminal SOIC and thermally enhanced TSSOP PowerPAD™ packages and operate over a junction temperature range of –40°C to 125°C.

TPS2834的优势和特性:
  • Floating Bootstrap or Ground-Reference High-Side Driver
  • Adaptive Dead-Time Control
  • 50-ns Max Rise/Fall Times With 3.3-nF Load
  • 2.4-A Typical Output Current
  • 4.5-V to 15-V Supply Voltage Range
  • TTL-Compatible Inputs
  • 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
  • Ideal for High-Current Single or Multiphase Power Supplies
  • –40°C to 125°C Operating Virtual Junction Temperature Range
  • Available in SOIC and TSSOP PowerPAD Packages

PowerPAD is a trademark of Texas Instruments Incorporated.

TPS2834的参数(英文):
  • Bus voltage (Max) (V)
  • 28
  • Power switch
  • MOSFET
  • Input VCC (Min) (V)
  • 4.5
  • Input VCC (Max) (V)
  • 15
  • Peak output current (A)
  • 2.4
  • Rise time (ns)
  • 50
  • Operating temperature range (C)
  • -40 to 125
  • Rating
  • Catalog
  • Number of channels (#)
  • 2
  • Fall time (ns)
  • 40
  • Prop delay (ns)
  • 70
  • Iq (uA)
  • 3000
  • Input threshold
  • TTL
  • Channel input logic
  • TTL
  • Negative voltage handling at HS pin (V)
  • 0
  • Features
  • Dead Time Control, Synchronous Rectification
  • Driver configuration
  • Non-Inverting
TPS2834具体的完整产品型号参数及价格(美元):

TPS2834的完整型号有:TPS2834D、TPS2834DR、TPS2834PWP、TPS2834PWPR,以下是这些产品的关键参数及官网采购报价:

TPS2834D,工作温度:-40 to 125,封装:SOIC (D)-14,包装数量MPQ:50个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS2834D的批量USD价格:1.276(1000+)

TPS2834DR,工作温度:-40 to 125,封装:SOIC (D)-14,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS2834DR的批量USD价格:1.063(1000+)

TPS2834PWP,工作温度:-40 to 125,封装:HTSSOP (PWP)-14,包装数量MPQ:90个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS2834PWP的批量USD价格:1.276(1000+)

TPS2834PWPR,工作温度:-40 to 125,封装:HTSSOP (PWP)-14,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS2834PWPR的批量USD价格:1.063(1000+)

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TPS2834的评估套件:

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