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TPS65320-Q1 - 产品图解：
TPS65320-Q1-具有 EcoMode 和 LDO 稳压器的 40V 降压转换器
TPS65320-Q1-TI芯片-电源管理多通道IC(PMIC)解决方案-电源管理
TPS65320-Q1-TPS65320-Q1 40-V Step-Down Converter With Eco-mode and LDO Regulator
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TI产品 - TPS65320-Q1介绍

TPS65320-Q1 - 具有 EcoMode 和 LDO 稳压器的 40V 降压转换器

TPS65320-Q1是TI德州仪器公司的一款TI芯片产品，TPS65320-Q1是具有 EcoMode 和 LDO 稳压器的 40V 降压转换器，本站介绍了TPS65320-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS65320-Q1相关的TI元器件型号供参考。

TPS65320-Q1 - 具有 EcoMode 和 LDO 稳压器的 40V 降压转换器 - TI芯片 - 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
  • One High-VIN Step-Down Converter
    • 3.6- to 40-V Input Range
    • 250-mΩ High-Side MOSFET
      • 3.2-A Maximum Load Current, 1.1- to 20-V Output Adjustable
    • 100-kHz to 2.5-MHz Adjustable Switch-Mode Frequency
    • Less Than 140-µA Operating Quiescent Current
  • One Low-Dropout Voltage Regulator (LDO)
    • 280-mA Current Capability With 28-μA (Typical) Operating Quiescent Current in No-Load Condition
    • Input Supply Auto-Source to Balance Efficiency and Low Standby Current
    • Power-Good Output (Push-Pull)
    • Low-Dropout Voltage of 300 mV at IOUT = 200 mA (Typical)
  • Overcurrent Protection for Both Regulators
  • Overtemperature Protection
  • 14-Pin HTSSOP Package With PowerPAD™ Package
产品应用
  • Automotive Infotainment and Cluster
  • Advanced Driver Assistance System (ADAS)
  • Telematics
产品说明

The TPS65320-Q1 device is a combination of a 40-V, 3.2-A, DC-DC step-down converter and a low-dropout (LDO) regulator. The DC-DC step-down converter, referred to as the buck regulator, has an integrated high-side MOSFET. The LDO regulator also has an integrated MOSFET and a low-input supply current of 28-μA (typical) in a no-load condition. Furthermore, the LDO regulator has an active-low, push-pull reset output pin. To reduce heat, the input supply of the LDO regulator can auto-source from the input voltage to the output of the buck regulator. The low-voltage tracking feature can eliminate the need to use a boost converter during cold-crank conditions.

The buck regulator has a switching frequency range from 100 kHz to 2.5 MHz that provides a flexible design to fix system requirements. The external loop compensation allows for optimization of the converter response for the appropriate operating conditions. A low-ripple pulse-skip mode reduces the no-load input supply current to less than 140 μA.

The device has built-in protection features such as soft start, current limit, thermal sensing, and shutdown because of excessive power dissipation. Furthermore, the device has an internal undervoltage-lockout (UVLO) function that turns off the device at a too-low supply voltage.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS65320-Q1HTSSOP (14) 5.00 mm × 4.40 mm
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