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TPS65320D-Q1

正在供货

采用 280mA 自动拉电流 LDO 稳压器的汽车类 3.6V 至 36V、3.2A 降压转换器

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数据表

TPS65320D-Q1

正在供货
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产品详情

Processor supplier Generic Processor name Generic Product type Microcontrollers Regulated outputs (#) 2 Step-down DC/DC converter 1 Step-up DC/DC converter 0 LDO 1 Vin (min) (V) 3.6 Vin (max) (V) 36 Vout (min) (V) 1.1 Vout (max) (V) 20 Iout (max) (A) 3.2 Configurability Hardware configurable Features Eco-mode, Enable, Overcurrent protection, Power good, Thermal shutdown, UVLO fixed Rating Automotive Operating temperature range (°C) -40 to 125 Step-down DC/DC controller 0 Step-up DC/DC controller 0 Iq (typ) (mA) 0.155 Switching frequency (max) (kHz) 2500 Shutdown current (ISD) (typ) (µA) 2
Processor supplier Generic Processor name Generic Product type Microcontrollers Regulated outputs (#) 2 Step-down DC/DC converter 1 Step-up DC/DC converter 0 LDO 1 Vin (min) (V) 3.6 Vin (max) (V) 36 Vout (min) (V) 1.1 Vout (max) (V) 20 Iout (max) (A) 3.2 Configurability Hardware configurable Features Eco-mode, Enable, Overcurrent protection, Power good, Thermal shutdown, UVLO fixed Rating Automotive Operating temperature range (°C) -40 to 125 Step-down DC/DC controller 0 Step-up DC/DC controller 0 Iq (typ) (mA) 0.155 Switching frequency (max) (kHz) 2500 Shutdown current (ISD) (typ) (µA) 2
HTSSOP (PWP) 14 32 mm² (5 mm × 6.4 mm)
  • 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 DC-DC Converter
    • Input Range of 3.6 V to 36 V
    • 250-mΩ High-Side MOSFET
    • Maximum Load Current 3.2 A, Output Adjustable 1.1 V to 20 V
    • Adjustable Switching Frequency 100 kHz to 2.5 MHz
    • Synchronizes to External Clock
    • High Efficiency at Light Loads With Pulse-Skipping Eco-mode™ Control Scheme
    • Maximum 140-µA Operating Quiescent Current
  • One Low-Dropout Voltage (LDO) Regulator
    • Input Range of 3 V to 20 V, With Auto-Source to Balance Efficiency and Lower Standby Current
    • 280-mA Current Capability With Typical 35-µA Quiescent Current in No-Load Condition
    • Power-Good Output (Push-Pull)
    • Low-Dropout Voltage of 300 mV at
      IO = 200 mA (Typical)
  • Overcurrent Protection for Both Regulators
  • Overtemperature Protection
  • 14-Pin HTSSOP Package With PowerPAD™ Integrated Circuit Package
  • 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 DC-DC Converter
    • Input Range of 3.6 V to 36 V
    • 250-mΩ High-Side MOSFET
    • Maximum Load Current 3.2 A, Output Adjustable 1.1 V to 20 V
    • Adjustable Switching Frequency 100 kHz to 2.5 MHz
    • Synchronizes to External Clock
    • High Efficiency at Light Loads With Pulse-Skipping Eco-mode™ Control Scheme
    • Maximum 140-µA Operating Quiescent Current
  • One Low-Dropout Voltage (LDO) Regulator
    • Input Range of 3 V to 20 V, With Auto-Source to Balance Efficiency and Lower Standby Current
    • 280-mA Current Capability With Typical 35-µA Quiescent Current in No-Load Condition
    • Power-Good Output (Push-Pull)
    • Low-Dropout Voltage of 300 mV at
      IO = 200 mA (Typical)
  • Overcurrent Protection for Both Regulators
  • Overtemperature Protection
  • 14-Pin HTSSOP Package With PowerPAD™ Integrated Circuit Package

The TPS65320D-Q1 device is a combination of a high-VIN DC-DC step-down converter, referred to as the buck regulator, with an adjustable switch-mode frequency from 100-kHz to 2.5-MHz, and a high-VIN 280-mA low-dropout (LDO) regulator. The input range is 3.6 V to 36 V for the buck regulator, and 3 V to
36 V for the LDO regulator. The buck regulator has an integrated high-side MOSFET. The LDO regulator features a low-input supply current of 45-µA typical in no-load, also has an integrated MOSFET with an active-low, push-pull reset output pin. The input supply of the LDO regulator auto-source from the output of the buck regulator when it is in operation. Low-voltage tracking feature enables TPS65320D-Q1 to track the input supply during cold-crank conditions.

The buck regulator provides a flexible design to fit system needs. The external loop compensation circuit 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 maximum 140 µA.

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

The TPS65320D-Q1 device is a combination of a high-VIN DC-DC step-down converter, referred to as the buck regulator, with an adjustable switch-mode frequency from 100-kHz to 2.5-MHz, and a high-VIN 280-mA low-dropout (LDO) regulator. The input range is 3.6 V to 36 V for the buck regulator, and 3 V to
36 V for the LDO regulator. The buck regulator has an integrated high-side MOSFET. The LDO regulator features a low-input supply current of 45-µA typical in no-load, also has an integrated MOSFET with an active-low, push-pull reset output pin. The input supply of the LDO regulator auto-source from the output of the buck regulator when it is in operation. Low-voltage tracking feature enables TPS65320D-Q1 to track the input supply during cold-crank conditions.

The buck regulator provides a flexible design to fit system needs. The external loop compensation circuit 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 maximum 140 µA.

The device has built-in protection features such as soft start, current-limit, thermal sensing and shutdown due to excessive power dissipation. Furthermore, the device has an internal undervoltage-lockout (UVLO) function that turns off the device when the supply voltage is too low.
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TPS65321A-Q1 正在供货 采用宽输入电压范围、280mA LDO 稳压器的汽车类 3.6V 至 36V 3.2A 降压转换器 This product is a variant and has an auto-sourcing feature.

技术文档

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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 TPS65320D-Q1 36-V Step-Down Converter With Eco-mode™ and LDO Regulator 数据表 PDF | HTML 2017-11-29
应用手册 Low Quiescent Current With Asynchronous Buck-Converters at High Temperatures 2016-7-20
应用手册 Interfacing TPS57xxx-Q1 and TPS65320-Q1 Family Devices With Low Impendence Exter 2015-12-8

设计与开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

评估板

TPS65320C-EVM — 具有 EcoMode™ 和 LDO 稳压器的 36V 降压转换器评估模块

德州仪器 (TI) TPS65320C-EVM 评估模块 (EVM) 能帮助设计人员评估 TPS65320C-Q1 的操作和性能，TPS65320C-Q1 是具有集成低压降电压稳压器 (LDO) 的开关模式直流到直流降压转换器。
用户指南: PDF
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仿真模型

TPS65320-Q1 TINA-TI Average Spice Model

SLVM906.ZIP (8 KB) - TINA-TI Spice 模型
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仿真模型

TPS65320-Q1 TINA-TI Transient Spice Model

SLVM771.ZIP (61 KB) - TINA-TI Spice 模型
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仿真模型

TPS65320-Q1 Unencrypted PSpice Average Model Package (Rev. A)

SLVM892A.ZIP (38 KB) - PSpice 模型
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仿真模型

TPS65320Q1 PSpice Transient Model

SLVM737.ZIP (77 KB) - PSpice 模型
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计算工具

TPS65320-Q1-SMPS-CAL-TOOL — TPS65320-Q1 Switching Mode Power Supply Component Calculation Tool

TPS65320-Q1 Switching Mode Power Supply Component Calculation Tool helps design the power stage and compensation network for DC/DC converter. It is also a great assistance for getting a deeper understanding of the AC response analysis for TPS65320-Q1

This worksheet includes two segments:

1. (...)

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HTSSOP (PWP) 14 Ultra Librarian
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