TPS62135

現行

採用 2x3QFN 封裝且具 1% 精確度和 PFM/強制 PWM 的 3-17V 4.0A 降壓轉換器

立即訂購

產品規格表

document-pdfAcrobat TPS62135, TPS621351 High Accuracy 3-V to 17-V 4-A Step-Down Converters with DCS-Control datasheet (Rev. B) (英文) PDF | HTML

TPS62135

現行

產品規格表

立即訂購

產品詳細資料

Rating

Catalog

Topology

Buck

Iout (max) (A)

Vin (max) (V)

Vin (min) (V)

Vout (max) (V)

Vout (min) (V)

0.8

Features

Enable, Light Load Efficiency, Output discharge, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, UVLO Fixed, VID Interface

Control mode

Constant on-time (COT), DCS-Control

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.000018

Duty cycle (max) (%)

100

Sector

Test & measurement

Rating

Catalog

Topology

Buck

Iout (max) (A)

Vin (max) (V)

Vin (min) (V)

Vout (max) (V)

Vout (min) (V)

0.8

Features

Enable, Light Load Efficiency, Output discharge, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, UVLO Fixed, VID Interface

Control mode

Constant on-time (COT), DCS-Control

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.000018

Duty cycle (max) (%)

100

Sector

Test & measurement

VQFN-HR (RGX)

6 mm² (3 mm × 2 mm)

Output Voltage Accuracy ± 1% (PWM mode)
Input Voltage Range: 3 V to 17 V
Quiescent Current 18 µA Typ
Output Voltage from 0.8 V to 12 V
Adjustable Soft-Start
Forced PWM or PWM/PFM operation
Typical switching frequency of 2.5MHz in forced PWM
Precise ENABLE input allows
- User-Defined Undervoltage Lockout
- Exact Sequencing
100% Duty Cycle Mode
Automatic Efficiency Enhancement AEE™
DCS-Control™ Topology
Available with Active Output Discharge
Optional HICCUP Overcurrent Protection
Power Good Output
Available in 3-mm x 2-mm VQFN Package

Output Voltage Accuracy ± 1% (PWM mode)
Input Voltage Range: 3 V to 17 V
Quiescent Current 18 µA Typ
Output Voltage from 0.8 V to 12 V
Adjustable Soft-Start
Forced PWM or PWM/PFM operation
Typical switching frequency of 2.5MHz in forced PWM
Precise ENABLE input allows
- User-Defined Undervoltage Lockout
- Exact Sequencing
100% Duty Cycle Mode
Automatic Efficiency Enhancement AEE™
DCS-Control™ Topology
Available with Active Output Discharge
Optional HICCUP Overcurrent Protection
Power Good Output
Available in 3-mm x 2-mm VQFN Package

The TPS62135 and TPS621351 are high efficiency and easy to use synchronous step-down DC-DC converters, based on the DCS-Control™ Topology. The devices wide input voltage range of 3-V to 17-V makes it suitable for multi-cell Li-Ion as well as 12-V intermediate supply rails. The devices provide 4-A continuous output current. The TPS62135 automatically enters Power Save Mode at light loads to maintain high efficiency across the whole load range. With that, the device is well suited for applications that require connected standby performance, like ultra low power computers. With the MODE pin set to low, the switching frequency of the device is adapted automatically based on the input and output voltage. This technique is called Automatic Efficiency Enhancement (AEE™) and maintains high conversion efficiency over the whole operation range. It provides a 1% output voltage accuracy in PWM mode and therefore enables the design of a power supply with high output voltage accuracy.

The device has a typical quiescent current of 18 µA. In shutdown mode the current is typically 1 µA and the output is actively discharged for TPS62135 while the output voltage discharge feature is disabled in TPS621351.

The TPS62135 is available as an adjustable version, packaged in a 3-mm x 2-mm VQFN package.

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TPS82130

現行

具整合式電感器的 17-V 輸入 3-A 降壓轉換器模組 Power module version.

技術文件

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重要文件	類型	標題	格式選項	日期
*	資料表	TPS62135, TPS621351 High Accuracy 3-V to 17-V 4-A Step-Down Converters with DCS-Control datasheet (Rev. B)	PDF \| HTML	2017/4/4
	應用說明	QFN and SON PCB Attachment (Rev. C)	PDF \| HTML	2023/12/6
	應用說明	Using the TPS6215x in an Inverting Buck-Boost Topology.. (Rev. D)	PDF \| HTML	2023/1/23
	應用說明	Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B)	PDF \| HTML	2022/5/23
	應用說明	Point-of-Load Solutions for Network Interface Cards (NIC)	PDF \| HTML	2021/9/8
	選擇指南	Buck Converter Quick Reference Guide (Rev. B)		2021/4/8
	類比設計期刊	Methods of output-voltage adjustment for DC/DC converters		2019/6/14
	應用說明	Performing Accurate PFM Mode Efficiency Measurements (Rev. A)		2018/12/11
	應用說明	Solve Point-of-Load Power Design Challenges: Single Board Computer Applications		2018/8/24
	類比設計期刊	Understanding 100% mode in low-power DC/DC converters		2018/6/22
	技術文章	Output accuracy varies with temperature – 1% is not always 1%	PDF \| HTML	2018/5/2
	類比設計期刊	Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold		2017/10/24
	應用說明	Feedforward Capacitor to Improve Stability and Bandwidth of TPS621/821-Family (Rev. A)		2017/6/28
	應用說明	Step-Down LED Driver With Dimming With the TPS621-Family and TPS821-Family (Rev. A)		2017/6/28
	應用說明	Sequencing and Tracking With the TPS621-Family and TPS821-Family (Rev. A)		2017/6/28
	類比設計期刊	Testing tips for applying external power to supply outputs without an input voltage		2016/10/24
	類比設計期刊	Understanding frequency variation in the DCS-Control(TM) topology		2015/10/30
	應用說明	Basic Calculation of a Buck Converter's Power Stage (Rev. B)	PDF \| HTML	2015/8/17
	類比設計期刊	Five steps to a great PCB layout for a step-down converter		2015/1/29
	應用說明	Using the TPS62150 in a Split Rail Topology		2014/3/26
	類比設計期刊	High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions		2013/7/25
	應用說明	How to Measure the Control Loop of DCS-Control Devices (Rev. A)		2012/8/9
	類比設計期刊	Design considerations for a resistive feedback divider in a DC/DC converter		2012/4/26
	應用說明	Understanding the Absolute Maximum Ratings of the SW Node (Rev. A)		2012/1/13
	應用說明	Voltage Margining Using the TPS62130		2011/12/15
	應用說明	Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs		2011/9/19
	類比設計期刊	IQ: What it is, what it isn’t, and how to use it		2011/6/17