TPS43337-Q1

現行

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

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產品規格表

document-pdfAcrobat LOW IQ, SINGLE-BOOST, FIXED-VOLTAGE DUAL SYNCHRONOUS BUCK CONTROLLER datasheet (Rev. A) (英文)

TPS43337-Q1

現行

產品規格表

立即訂購

產品詳細資料

Processor supplier

Generic

Processor name

Generic

Product type

Microcontrollers

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)

1.235

Vout (max) (V)

10

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)

0.034

Switching frequency (max) (kHz)

600

Shutdown current (ISD) (typ) (µA)

3

Processor supplier

Generic

Processor name

Generic

Product type

Microcontrollers

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)

1.235

Vout (max) (V)

10

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)

0.034

Switching frequency (max) (kHz)

600

Shutdown current (ISD) (typ) (µA)

3

HTSSOP (DAP)

38

101.25 mm² (12.5 mm × 8.1 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 H2
- Device CDM ESD Classification Level C2
Two Synchronous Buck Controllers
BuckA: Fixed Output Voltage of 3.4 V
BuckB: Fixed Output Voltage of 1.235 V
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 I_Q:
34 µA (One Buck On), 43 µA (Two Bucks On)
Low Shutdown Current I_sh < 4 µA
Boost Output Selectable: 7 V, 8.85 V, or 10 V
Programmable Frequency and External Synchronization Range:
150 to 600 kHz
Separate Enable Inputs (ENA, ENB, ENC)
Selectable Forced Continuous Mode or Automatic
Low-Power Mode at Light Loads
Sense Resistor or Inductor DCR Sensing for Buck Controllers
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 Qualified 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
BuckA: Fixed Output Voltage of 3.4 V
BuckB: Fixed Output Voltage of 1.235 V
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 I_Q:
34 µA (One Buck On), 43 µA (Two Bucks On)
Low Shutdown Current I_sh < 4 µA
Boost Output Selectable: 7 V, 8.85 V, or 10 V
Programmable Frequency and External Synchronization Range:
150 to 600 kHz
Separate Enable Inputs (ENA, ENB, ENC)
Selectable Forced Continuous Mode or Automatic
Low-Power Mode at Light Loads
Sense Resistor or Inductor DCR Sensing for Buck Controllers
Out-of-Phase Switching Between Buck Channels
Peak Gate Drive Current 1.5 A
Thermally Enhanced 38-Pin HTSSOP (DAP) PowerPAD Package

The TPS43337-Q1 includes two current-mode synchronous buck controllers and a voltage-mode boost controller. The device is ideally suited as a pre-regulator stage with low I_Q requirements and for systems 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, the buck controllers enable to operate automatically in low power-mode, consuming just 34 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 programable over 150 to 600 kHz or is synchronized to an external clock in the same range

The TPS43337-Q1 includes two current-mode synchronous buck controllers and a voltage-mode boost controller. The device is ideally suited as a pre-regulator stage with low I_Q requirements and for systems 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, the buck controllers enable to operate automatically in low power-mode, consuming just 34 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 programable over 150 to 600 kHz or is synchronized to an external clock in the same range

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重要文件	類型	標題	格式選項	下載最新的英文版本		日期
*	資料表	LOW IQ, SINGLE-BOOST, FIXED-VOLTAGE DUAL SYNCHRONOUS BUCK CONTROLLER datasheet (Rev. A)				2013/9/6
	設計指南	TPS4333x-Q1 / TPS4335x-Q1 Design Checklist				2013/10/28

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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