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TI产品 - TPS43332-Q1介绍

TPS43332-Q1 - 具有扩展频谱的汽车类低 Iq、单路升压、双路同步降压控制器

TPS43332-Q1是TI德州仪器公司的一款无产品，TPS43332-Q1是具有扩展频谱的汽车类低 Iq、单路升压、双路同步降压控制器，本站介绍了TPS43332-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS43332-Q1相关的TI元器件型号供参考。

TPS43332-Q1 - 具有扩展频谱的汽车类低 Iq、单路升压、双路同步降压控制器 - 无 - 电源管理多通道IC(PMIC)解决方案 - 德州仪器

产品特性
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4B
  • Two Synchronous Buck Controllers
  • One Pre-Boost Controller
  • Input Range up to 40 V, (Transients up to 60 V), Operation Down to 2 V When Boost is Enabled
  • Low-Power-Mode IQ: 30 µA (One Buck On), 35µA (Two Bucks On)
  • Low Shutdown Current Ish < 4 µA
  • Buck Output Range 0.9 V to 11 V
  • Boost Output Selectable: 7 V, 10 V, or 11 V
  • Programmable Frequency and External Synchronization Range 150 kHz to 600 kHz
  • Separate Enable Inputs (ENA, ENB)
  • Frequency Spread Spectrum (TPS43332)
  • Selectable Forced Continuous Mode or Automatic Low-Power Mode at Light Loads
  • Sense Resistor or Inductor DCR Sensing
  • Out-of-Phase Switching Between Buck Channels
  • Peak Gate-Drive Current 1.5 A
  • Thermally Enhanced 38-Pin HTSSOP (DAP) PowerPAD™ Package
产品应用
  • Automotive Start-Stop, Infotainment, Navigation Instrument Cluster Systems
  • Industrial and Automotive Multi-Rail DC Power Distribution Systems and Electronic Control Units
产品说明

The TPS43330-Q1 and TPS43332-Q1 devices (TPS4333x-Q1) include two current-mode synchronous buck controllers and a voltage-mode boost controller. The TPS4333x-Q1 family of devices is ideally suited as a pre-regulator stage with low IQ requirements and for applications that must survive supply drops due to cranking events. The integrated boost controller allows the devices to operate down to 2 V at the input without seeing a drop on the buck regulator output stages. At light loads, the buck controllers can be enabled to operate automatically in low-power mode, consuming just 30 µA of quiescent current.

The buck controllers have independent soft-start capability and power-good indicators. Current foldback in the buck controllers and cycle-by-cycle current limitation in the boost controller provide external MOSFET protection. The switching frequency can be programed over 150 kHz to 600 kHz or synchronized to an external clock in the same range. Additionally, the TPS43332-Q1 device offers frequency-hopping spread-spectrum operation.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS43330-Q1HTSSOP (38) 12.50 mm × 6.20 mm
TPS43332-Q1
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