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AC/DC 和 DC/DC 轉換器 (整合式 FET)

TPS61046

現行

採用 WCSP 封裝的 28-V 輸出電壓升壓轉換器

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TPS61046

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Operating temperature range (°C) -40 to 150 Topology Boost Type Converter Vin (min) (V) 1.8 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 850 Switching frequency (max) (kHz) 1250 Features Enable, Light Load Efficiency, Load Disconnect, Nonsynchronous Vout (min) (V) 4.5 Vout (max) (V) 28 Iq (typ) (A) 0.00011
Rating Catalog Operating temperature range (°C) -40 to 150 Topology Boost Type Converter Vin (min) (V) 1.8 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 850 Switching frequency (max) (kHz) 1250 Features Enable, Light Load Efficiency, Load Disconnect, Nonsynchronous Vout (min) (V) 4.5 Vout (max) (V) 28 Iq (typ) (A) 0.00011
DSBGA (YFF) 6 1.4000000000000001 mm² 1 x 1.4000000000000001
  • Input Voltage Range: 1.8 V to 5.5 V, 1.6 V after
    Startup
  • Output Voltage Up to 28 V
  • Integrated Power Diode and Isolation Switch
  • 900-mA (typical) Switch Current
  • Up to 85% Efficiency at 3.6-V Input and 12-V
    Output
  • 500-nA Ultra-low Shutdown Current
  • ±2% Output Voltage Accuracy
  • Power Save Operation Mode at Light Load
  • Internal 10-ms Soft Start Time
  • True Disconnection between Input and Output
    during Shutdown
  • Output Short Circuit Protection
  • Output Over-Voltage Protection
  • Thermal Shutdown Protection
  • 0.80-mm × 1.20-mm WCSP package
  • Input Voltage Range: 1.8 V to 5.5 V, 1.6 V after
    Startup
  • Output Voltage Up to 28 V
  • Integrated Power Diode and Isolation Switch
  • 900-mA (typical) Switch Current
  • Up to 85% Efficiency at 3.6-V Input and 12-V
    Output
  • 500-nA Ultra-low Shutdown Current
  • ±2% Output Voltage Accuracy
  • Power Save Operation Mode at Light Load
  • Internal 10-ms Soft Start Time
  • True Disconnection between Input and Output
    during Shutdown
  • Output Short Circuit Protection
  • Output Over-Voltage Protection
  • Thermal Shutdown Protection
  • 0.80-mm × 1.20-mm WCSP package

The TPS61046 is a highly integrated boost converter designed for applications requiring high voltage and tiny solution size such as PMOLED panel and sensor module. The TPS61046 integrates a 30-V power switch, input/output isolation switch, and power diode. It can output up to 28 V from input of a Li+ battery or two cell alkaline batteries in series.

The TPS61046 operates with a switching frequency at 1.0 MHz. This allows the use of small external components. The TPS61046 has an internal default 12-V output voltage setting by connecting the FB pin to the VIN pin. Thus it only needs three external components to get 12-V output voltage. Together with WCSP package, the TPS61046 gives a very small overall solution size. The TPS61046 has typical 900-mA switch current limit. It has 10-ms built-in soft start time to minimize the inrush current. When the TPS61046 is in shutdown mode, the isolation switch disconnects the output from input to minimize the leakage current. The TPS61064 also implements output short circuit protection, output over-voltage protection and thermal shutdown.

The TPS61046 is available in a 6-pin 0.80-mm × 1.20-mm WCSP package.

The TPS61046 is a highly integrated boost converter designed for applications requiring high voltage and tiny solution size such as PMOLED panel and sensor module. The TPS61046 integrates a 30-V power switch, input/output isolation switch, and power diode. It can output up to 28 V from input of a Li+ battery or two cell alkaline batteries in series.

The TPS61046 operates with a switching frequency at 1.0 MHz. This allows the use of small external components. The TPS61046 has an internal default 12-V output voltage setting by connecting the FB pin to the VIN pin. Thus it only needs three external components to get 12-V output voltage. Together with WCSP package, the TPS61046 gives a very small overall solution size. The TPS61046 has typical 900-mA switch current limit. It has 10-ms built-in soft start time to minimize the inrush current. When the TPS61046 is in shutdown mode, the isolation switch disconnects the output from input to minimize the leakage current. The TPS61064 also implements output short circuit protection, output over-voltage protection and thermal shutdown.

The TPS61046 is available in a 6-pin 0.80-mm × 1.20-mm WCSP package.
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類型 標題 日期
* Data sheet TPS61046 28-V Output Voltage Boost Converter in WCSP Package datasheet PDF | HTML 2015年 4月 15日
Technical article How to design wearables that are smaller and go longer between charges PDF | HTML 2024年 1月 5日
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. D) PDF | HTML 2022年 10月 28日
Application note Using External Bias to Broaden Input Voltage Range of Boost Converters PDF | HTML 2021年 11月 8日
Technical article Do all rails need low Iq? PDF | HTML 2019年 7月 15日
Application note AN-1112 DSBGA Wafer Level Chip Scale Package (Rev. AI) 2019年 6月 14日
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 2018年 12月 11日
Technical article Power a RS-485 transceiver with a high efficiency flyback converter PDF | HTML 2017年 12月 27日
Application note Input Current Limit Solution for USB-Supplied Power System 2017年 8月 3日
Application note How to Select a Proper Inductor for Low Power Boost Converter 2016年 6月 3日
Application note Five Steps to a Good PCB Layout of the Boost Converter PDF | HTML 2016年 5月 3日
Test report Power Management Reference Design for a Wearable Device with Wireless Charging (Rev. A) PDF | HTML 2016年 4月 14日
EVM User's guide TPS61046 Evaluation Module User's Guide 2015年 4月 28日
Application note Automated Frequency Response Analyzer 2013年 10月 9日
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 2012年 4月 26日
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 2011年 6月 17日
Application note Minimizing Ringing at the Switch Node of a Boost Converter 2006年 9月 15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

TPS61046EVM-682 — 採用 WCSP 封裝的 TPS61046 28V 升壓轉換器評估模組

This EVM is used to evaluate the 28V boost converter TPS61046, which is a highly integrated boost converter designed for applications requiring high voltage and tiny solution size such as PMOLED panel. There are two TPS61046 evaluation circuits in the EVM: one is adjustable VOUT version in which (...)

使用指南: PDF
TI.com 無法提供
模擬型號

Unencrypted TPS61046 PSpice Transient Model Package (Rev. A)

SLVMB38A.ZIP (27 KB) - PSpice Model
下載
參考設計

PMP11311 — 採用 bq51003 和 bq25120 進行無線充電的穿戴式裝置電源參考設計

Wearable devices require advanced power management to achieve long battery run times with always-on functionality.  Additionally, the devices need to use small rechargeable batteries and enable small footprint designs.  This application note shows the implementation of a scalable power (...)
Test report: PDF
電路圖: PDF
參考設計

PMP9801 — 適用於 RS485 應用的 5V 輸出、4000V 隔離式電源參考設計

This reference design showcases a 5-V output, 4000-V isolated Flyback DC/DC converter for RS485 applications. Using the boost converter TPS61046, the circuit supports wide input voltage range and up to 250mA output current with 78% efficiency from a 10-V input. The reference design uses an adaptive (...)
Test report: PDF
電路圖: PDF
參考設計

TIDA-00712 — 智慧型手錶電池管理解決方案參考設計

This reference design is for smartwatch battery management solution (BMS). It is suitable for low-power wearable devices like smartwatch applications. The design includes an ultra-low current 1 cell Li-ion linear charger; a highly integrated Qi-compliant wireless power receiver; a (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00462 — 超音波距離量測 BoosterPack 參考設計

The TIDA-00462 ultrasonic distance measurement reference design can measure the distance up to 99 inches with an accuracy of ±1.5 inches. The scope of this design is to give you a head-start in integrating our industrial ultra-low-power MCU, analog signal conditioning and power (...)
Design guide: PDF
電路圖: PDF
參考設計

PMP9775 — 參考設計 - 具有 TPS61046 的 PMOLED 顯示器電源供應

A PMOLED display is mostly used in the wearable device because of its low power consumption and low cost. This reference design is to demonstrate the TPS61046’s application in powering a PMOLED display. It includes a MCU MSP430G2230, boost converter TPS61046 and a 32 x 128 pixels PMOLED (...)
Test report: PDF
電路圖: PDF
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