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TPS43333-Q1

現行

車用 2V 至 40V 低 Iq 單升壓和雙同步降壓控制器

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產品規格表

現在提供此產品的更新版本

open-in-new 比較替代產品
功能相同，但引腳輸出與所比較的裝置不同
LM5127-Q1 現行 適用於汽車應用的 42V 寬輸入電壓三路降壓和升壓控制器 Updated improved version of TPS43333-Q1

TPS43333-Q1

現行
產品規格表 立即訂購

產品詳細資料

Processor supplier Generic Processor name Generic Regulated outputs (#) 3 Step-down DC/DC converter 0 Step-up DC/DC converter 0 LDO 0 Vin (min) (V) 2 Vin (max) (V) 40 Vout (min) (V) 0.9 Vout (max) (V) 11 Iout (max) (A) 6 Features Enable, Overcurrent protection, Power good, Synchronous rectification, Thermal shutdown, UVLO fixed Rating Automotive Operating temperature range (°C) -40 to 125 Step-down DC/DC controller 2 Step-up DC/DC controller 1 Iq (typ) (mA) 0.03 Switching frequency (max) (kHz) 600 Shutdown current (ISD) (typ) (µA) 3 Product type Microcontrollers
Processor supplier Generic Processor name Generic Regulated outputs (#) 3 Step-down DC/DC converter 0 Step-up DC/DC converter 0 LDO 0 Vin (min) (V) 2 Vin (max) (V) 40 Vout (min) (V) 0.9 Vout (max) (V) 11 Iout (max) (A) 6 Features Enable, Overcurrent protection, Power good, Synchronous rectification, Thermal shutdown, UVLO fixed Rating Automotive Operating temperature range (°C) -40 to 125 Step-down DC/DC controller 2 Step-up DC/DC controller 1 Iq (typ) (mA) 0.03 Switching frequency (max) (kHz) 600 Shutdown current (ISD) (typ) (µA) 3 Product type Microcontrollers
HTSSOP (DAP) 38 101.25 mm² 12.5 x 8.1
  • Qualified for Automotive Applications
  • AEC-Q100 Test Guidance With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C
      Ambient Operating Temperature
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C2
  • 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), 35 µA
    (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)
  • 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
  • Qualified for Automotive Applications
  • AEC-Q100 Test Guidance With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C
      Ambient Operating Temperature
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C2
  • 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), 35 µA
    (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)
  • 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

The TPS43333-Q1 includes two current-mode synchronous buck controllers and a voltage-mode boost controller. The device is ideal for use 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 device to operate down to 2 V at the input without seeing a drop on the buck-regulator output stages. At light loads, one can enable the buck controllers 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 is programmable over 150 kHz to 600 kHz or can synchronize to an external clock in the same range.

The TPS43333-Q1 includes two current-mode synchronous buck controllers and a voltage-mode boost controller. The device is ideal for use 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 device to operate down to 2 V at the input without seeing a drop on the buck-regulator output stages. At light loads, one can enable the buck controllers 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 is programmable over 150 kHz to 600 kHz or can synchronize to an external clock in the same range.
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技術文件

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類型 標題 日期
* Data sheet TPS43333-Q1 Low IQ, Single Boost, Dual Synchronous Buck Controller datasheet (Rev. C) PDF | HTML 2016年 7月 11日
Design guide TPS4333x-Q1 / TPS4335x-Q1 Design Checklist 2013年 10月 28日
User guide TPS4333xEVM 2011年 4月 1日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

TPS43330EVM — TPS43330EVM 評估模組

The Texas Instruments TPS43330EVM evaluation module (EVM) helps designers evaluate the operation and performance of the TPS43330 Low Iq, Single Boost, Dual Synchronous Buck Controller.

使用指南: PDF
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模擬型號

TPS43333-Q1 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM857A.ZIP (170 KB) - PSpice Model
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計算工具

SLVC528 — TPS4333x-Q1, TPS4335x-Q1 Switching-Mode Power-Supply Component Calculation Tool

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產品
多通道 IC (PMIC)
TPS43330A-Q1 — 車用 2V 至 40V 低 Iq 單升壓和雙同步降壓控制器 TPS43332-Q1 — 具頻率的車用 2V 至 40V 單升壓和雙同步降壓控制器展頻 TPS43333-Q1 — 車用 2V 至 40V 低 Iq 單升壓和雙同步降壓控制器 TPS43335-Q1 — 車用 2V 至 40V 低 Iq 單升壓和雙同步降壓控制器 TPS43336-Q1 — 具頻率的車用 2V 至 40V 單升壓和雙同步降壓控制器展頻 TPS43337-Q1 — 車用 2V 至 40V 低 Iq 單升壓和雙路固定輸出電壓同步降壓控制器 TPS43350-Q1 — 40V 雙同步降壓控制器 TPS43351-Q1 — 具頻率展頻的 40V 雙同步降壓控制器
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