TPS51219

現行

具差動電壓回饋的 3V 至 28V 同步降壓控制器

產品詳細資料

Vin (min) (V) 3 Vin (max) (V) 28 Iout (max) (A) 20 Operating temperature range (°C) -40 to 85 Control mode D-CAP, D-CAP2 Topology Buck Rating Catalog Vout (min) (V) 0.5 Vout (max) (V) 2 Features Enable, Light Load Efficiency, Power good, Pre-Bias Start-Up, Synchronous Rectification Iq (typ) (µA) 560 Duty cycle (max) (%) 90 Number of phases 1
Vin (min) (V) 3 Vin (max) (V) 28 Iout (max) (A) 20 Operating temperature range (°C) -40 to 85 Control mode D-CAP, D-CAP2 Topology Buck Rating Catalog Vout (min) (V) 0.5 Vout (max) (V) 2 Features Enable, Light Load Efficiency, Power good, Pre-Bias Start-Up, Synchronous Rectification Iq (typ) (µA) 560 Duty cycle (max) (%) 90 Number of phases 1
WQFN (RTE) 16 9 mm² 3 x 3
  • Differential Voltage Feedback
  • DC Compensation for Accurate Regulation
  • Wide Input Voltage Range: 3 V to 28 V
  • Output Voltage Range: 0.5 V to 2.0 V with
    Fixed Options of 1.05 V and 1.00 V
  • Wide Output Load Range: 0 A to 20 A+
  • Adaptive On-Time Modulation with Selectable Control Architecture and Frequency
    • D-CAP Mode at 300 kHz/400 kHz for Fast Transient Response
    • D-CAP2 Mode at 500 kHz/670 kHz for Ceramic Output Capacitor
  • 4700 ppm/°C, Low-Side RDS(on) Current Sensing
  • RSENSE Accurate Current Sense Option
  • Internal, 1-ms Voltage Servo Softstart
  • Built-In Output Discharge
  • Power Good Output
  • Integrated Boost Switch
  • Built-In OVP/UVP/OCP
  • Thermal Shutdown (Non-latched)
  • 3 mm × 3 mm, 16-Pin, QFN (RTE) Package
  • Differential Voltage Feedback
  • DC Compensation for Accurate Regulation
  • Wide Input Voltage Range: 3 V to 28 V
  • Output Voltage Range: 0.5 V to 2.0 V with
    Fixed Options of 1.05 V and 1.00 V
  • Wide Output Load Range: 0 A to 20 A+
  • Adaptive On-Time Modulation with Selectable Control Architecture and Frequency
    • D-CAP Mode at 300 kHz/400 kHz for Fast Transient Response
    • D-CAP2 Mode at 500 kHz/670 kHz for Ceramic Output Capacitor
  • 4700 ppm/°C, Low-Side RDS(on) Current Sensing
  • RSENSE Accurate Current Sense Option
  • Internal, 1-ms Voltage Servo Softstart
  • Built-In Output Discharge
  • Power Good Output
  • Integrated Boost Switch
  • Built-In OVP/UVP/OCP
  • Thermal Shutdown (Non-latched)
  • 3 mm × 3 mm, 16-Pin, QFN (RTE) Package

The TPS51219 is a small-sized single buck controller with adaptive on-time control. It provides a choice of control modes (D-CAP™ or D-CAP2™) to meet a wide range of system requirements. It is designed for tight DC regulation requirements such as the VCCIO application for Intel notebooks. The performance and flexibility of the TPS51219 makes it suitable for low output voltage, high current, PC system power rails and similar point-of-load (POL) power supplies. Differential voltage feedback and the voltage compensation function combine to provide high precision power to load devices.

A small package, fixed voltage options and minimal external component count saves cost and space, while a dedicated EN pin and pre-set frequency selections minimize design effort. The skip-mode at light load condition, strong gate drivers, and low-side FET RDS(on) current sensing provides high efficiency operation over a broad load range. The external resistor current sense option enables accurate current sensing. The conversion input voltage (the high-side FET drain voltage) ranges from 3 V to 28 V and output voltage ranges from 0.5 V to 2.0 V. The device requires an external 5-V supply.

The TPS51219 is available in a 16-pin, QFN package and is specified for ambient temperature from -40°C to 85°C.

The TPS51219 is a small-sized single buck controller with adaptive on-time control. It provides a choice of control modes (D-CAP™ or D-CAP2™) to meet a wide range of system requirements. It is designed for tight DC regulation requirements such as the VCCIO application for Intel notebooks. The performance and flexibility of the TPS51219 makes it suitable for low output voltage, high current, PC system power rails and similar point-of-load (POL) power supplies. Differential voltage feedback and the voltage compensation function combine to provide high precision power to load devices.

A small package, fixed voltage options and minimal external component count saves cost and space, while a dedicated EN pin and pre-set frequency selections minimize design effort. The skip-mode at light load condition, strong gate drivers, and low-side FET RDS(on) current sensing provides high efficiency operation over a broad load range. The external resistor current sense option enables accurate current sensing. The conversion input voltage (the high-side FET drain voltage) ranges from 3 V to 28 V and output voltage ranges from 0.5 V to 2.0 V. The device requires an external 5-V supply.

The TPS51219 is available in a 16-pin, QFN package and is specified for ambient temperature from -40°C to 85°C.

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類型 標題 日期
* Data sheet High Performance, Single Synchronous Step-Down Controller with Differential Volt datasheet (Rev. B) 2011年 10月 1日
User guide TPS51219 Buck Controller Evaluation Module User's Guide (Rev. A) PDF | HTML 2022年 2月 18日

設計與開發

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模擬型號

TPS51219 IBIS Model

SLUM319.ZIP (10 KB) - IBIS Model
模擬型號

TPS51219 TINA-TI Average DCAP Reference Design

SLUM261.TSC (66 KB) - TINA-TI Reference Design
模擬型號

TPS51219 TINA-TI Average DCAP Spice Model

SLUM262.ZIP (5 KB) - TINA-TI Spice Model
模擬型號

TPS51219 TINA-TI Average DCAP2 Reference Design

SLUM269.TSC (75 KB) - TINA-TI Reference Design
模擬型號

TPS51219 TINA-TI Average DCAP2 Spice Model

SLUM270.ZIP (7 KB) - TINA-TI Spice Model
模擬型號

TPS51219 TINA-TI Transient Reference Design

SLUM263.TSC (218 KB) - TINA-TI Reference Design
模擬型號

TPS51219 TINA-TI Transient Spice Model

SLUM264.ZIP (62 KB) - TINA-TI Spice Model
模擬型號

TPS51219 Unencrypted PSpice Average Model Package (Rev. A)

SLUM232A.ZIP (153 KB) - PSpice Model
模擬型號

TPS51219 Unencrypted PSpice Transient Model Package (Rev. A)

SLUM233A.ZIP (57 KB) - PSpice Model
參考設計

TIDA-00020 — Intel IMVP7 第二代 Core Mobile (Core i7) 電源管理參考設計

The Intel® Core i7 power management design is a reference design for the Intel® IMVP-7 Serial VID (SVID) power system. This design features an IMVP-7 3-phase CPU supply, a single-phase GPU Vcore supply, a 1.05-VCC IO supply, and a DDR3L/DDR4 memory rail. To greatly improve power (...)
Test report: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
WQFN (RTE) 16 Ultra Librarian

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