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TPS51727 用于 50A+ 应用的双相 D-CAP+™ 模式降压电源管理 IC

	TPS51727
Topology	Buck,D-CAP+™ Mode
Vin(Min)(V)	4.5
Vin(Max)(V)	28
Vout(Min)(V)	0.4
Vout(Max)(V)	1.25
Regulated Outputs(#)	1
Switching Frequency(Max)(kHz)	500
Pin/Package	40VQFN
Thermal Shutdown	Yes
Rating	Catalog

TPS51727 描述

The TPS51727 is a complete, step down controller with integrated gate drivers. The PCNT pin enables operation in dual or single-phase mode to optimize efficiency depending on the load requirements. The advanced D-CAP+ architecture provides fast transient response with minimum output capacitance. The DAC supports VID-on-the-fly transitions to optimize the output voltage to the operating state of the system to meet idle power requirements. The auto-skip feature of the TPS51727 optimizes light-load efficiency in both single and dual phase operation. System management features include an adjustable thermal sensor, output power monitoring and sleep state controls. Adjustable control of VOUT slew rate and voltage positioning are provided.

TPS51727 特性

• Seamless Phase Add/Drop Enables Maximum Efficiency Under Any Load Condition
• Minimum External Parts Count
• ±8 mV VOUT Accuracy Over Line/Load/Temp.
• 5-Bit DAC with 0.4-V to 1.25-V Output Range Supports Wide Range of Applications
• Optimized Efficiency at Light & Heavy Loads
• Patent Pending Output Overshoot Reduction (OSR™)
• Accurate, Adjustable Voltage Positioning
• Selectable 200/300/400/500 kHz Frequency
• Pat. pending AutoBalance Phase Balancing
• Supports Resistor or Inductor DCR Current Sensing
• Accurate, Selectable Current Limit
• 4.5-V to 28-V Conversion Voltage Range
• Fast MOSFET Driver w/Integrated Boost Diode
• Integrated OVP Can Be Disabled Thermal Sensor and Output Power Monitor
• Small 6 × 6, 40-Pin QFN PowerPAD™ Package
• APPLICATIONS
  • High-Current, Low-Voltage Applications for Adapter, Battery, NVDC or 5-V/12-V Rails

TPS51727 芯片订购指南

器件	状态	温度 (oC)	价格（美元）	封装 | 引脚	封装数量 | 封装载体	丝印标记
TPS51727RHAR	ACTIVE	-10 to 100	1.80 | 1ku	VQFN (RHA) | 40	2500 | LARGE T&R	TPS 51727
TPS51727RHARG4	ACTIVE	-10 to 100	1.80 | 1ku	VQFN (RHA) | 40	2500 | LARGE T&R	TPS 51727
TPS51727RHAT	ACTIVE	-10 to 100	2.00 | 1ku	VQFN (RHA) | 40	250 | SMALL T&R	TPS 51727
TPS51727RHATG4	ACTIVE	-10 to 100	2.00 | 1ku	VQFN (RHA) | 40	250 | SMALL T&R	TPS 51727

TPS51727 质量与无铅数据

器件	环保计划*	铅/焊球涂层	MSL 等级/回流焊峰	环保信息与无铅 (Pb-free)	DPPM / MTBF / FIT 率
TPS51727RHAR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR		TPS51727RHAR
TPS51727RHARG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	TPS51727RHARG4	TPS51727RHARG4
TPS51727RHAT	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR		TPS51727RHAT
TPS51727RHATG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	TPS51727RHATG4	TPS51727RHATG4

TPS51727 应用技术支持与电子电路设计开发资源下载

1. TPS51727 数据资料 dataSheet 下载.PDF
2. TI 德州仪器非隔离式开关 DC/DC 调节器选型与价格参考 . xls
3. Dual MOSFET Driver (PDF  498 KB)
4. 全面认识开关型电源中的BUCK-BOOST功率级 (Rev. A)   (PDF  2206 KB)
5. Understanding Boost Power Stages In Switchmode Power Supplies   (PDF  149 KB)
6. Understanding Buck Power Stages In Switchmode Power Supplies   (PDF  173 KB)
7. 标准线性产品交叉参考 (Rev. D)   (PDF  1058 KB)
8. 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
9. 所选封装材料的热学和电学性质 (PDF 645 KB)
10. 高速数据转换 (PDF 1967 KB)

TPS51727 相关工具

名称	型号	公司	工具/软件类型
用于使用 TPS51727 的 40A+ 应用的双向 Eco-Mode™ 降压转换器	TPS51727EVM	Texas Instruments	开发电路板/EVM

TPS51727 参考设计

说明	型号	公司
二相同步 降压，输入电压为 5V 或 12V。 多路输出电压：1.8V 和 3.3V	PMP176	Texas Instruments
同步降压时，输入电压为 19.5V	PMP070	Texas Instruments
同步降压，输入电压为 12V	PMP217	Texas Instruments
热插拔、推挽、同步 降压、负反向、双路同步 降压参考设计	PMP156	Texas Instruments
集成 FET、正向、双路同步的同步降压 降压参考设计	PMP041	Texas Instruments