TPS62861

現行

具有 I2C/VSEL 介面的 1.75 V 至 5.5 V 輸入、1 A 超低 IQ 降壓轉換器

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產品規格表

document-pdfAcrobat TPS6286x 1.75V to 5.5V Input, 0.6/1A Synchronous Step-Down Converters With I2 C/VSEL Interface datasheet (Rev. G) (英文) PDF | HTML

TPS62861

現行

產品規格表

立即訂購

產品詳細資料

Rating

Catalog

Topology

Buck

Iout (max) (A)

1

Vin (max) (V)

5.5

Vin (min) (V)

1.75

Vout (max) (V)

1.98, 1.9875

Vout (min) (V)

0.4

Features

Adaptive/Dynamic Voltage Scaling, Forced PWM, I2C/PMBus, Light Load Efficiency, Light load efficiency, Output discharge, Over Current Protection, Soft Start Adjustable, VID Interface

Control mode

DCS-Control

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.0000023

Duty cycle (max) (%)

100

Rating

Catalog

Topology

Buck

Iout (max) (A)

1

Vin (max) (V)

5.5

Vin (min) (V)

1.75

Vout (max) (V)

1.98, 1.9875

Vout (min) (V)

0.4

Features

Adaptive/Dynamic Voltage Scaling, Forced PWM, I2C/PMBus, Light Load Efficiency, Light load efficiency, Output discharge, Over Current Protection, Soft Start Adjustable, VID Interface

Control mode

DCS-Control

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.0000023

Duty cycle (max) (%)

100

DSBGA (YCH)

8

0.98 mm² (1.4 mm × 0.7 mm)

2.3µA operating quiescent current
Up to 4MHz switching frequency
1% output voltage accuracy
DVS output from
- 0.4V to 1.9875V (12.5mV steps)
I2C user interface to adjust
- Output voltage presets
- Ramp speed
VSEL pin to toggle output voltage during operation
Power-good indication
Supports < 6mm² design size
Supports < 0.6mm design height
Tiny, 8-pin, 0.35mm pitch WCSP package
Optimized pinout to support 0201 components

2.3µA operating quiescent current
Up to 4MHz switching frequency
1% output voltage accuracy
DVS output from
- 0.4V to 1.9875V (12.5mV steps)
I2C user interface to adjust
- Output voltage presets
- Ramp speed
VSEL pin to toggle output voltage during operation
Power-good indication
Supports < 6mm² design size
Supports < 0.6mm design height
Tiny, 8-pin, 0.35mm pitch WCSP package
Optimized pinout to support 0201 components

The TPS6286x devices are high-frequency, synchronous step-down converters with I2C- and VSEL-Interface. The devices provide an efficient, flexible, and high-power density point-of-load DC/DC design. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load to maintain high efficiency over the entire load current range. The device can also be forced in PWM mode operation for the smallest output voltage ripple. Together, with the DCS-Control architecture, excellent load transient performance and tight output voltage accuracy are achieved. With the I2C interface and a dedicated VSEL pin, the output voltage is quickly adjusted to adapt the power consumption of the load to the ever-changing performance needs of the application. The device family is available with two VSEL pins and four factory preset voltages to allow usage without I2C interface.

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重要文件	類型	標題	格式選項	日期
*	資料表	TPS6286x 1.75V to 5.5V Input, 0.6/1A Synchronous Step-Down Converters With I2 C/VSEL Interface datasheet (Rev. G)	PDF \| HTML	2025/1/9
	應用說明	Benefiting from Step-Down Converters with an I2C Communication Interface (Rev. B)	PDF \| HTML	2023/11/29
	應用說明	Understanding SOA Curves to Operate at High Output Currents and Temperature	PDF \| HTML	2022/5/5

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開發板

TPS628610EVM-109 — 具有 I2C/VSEL 介面的 1-A 同步降壓轉換器評估模組

TPS628610EVM-109 評估模組 (EVM) 有助於評估採用小型 0.7 mm x 1.4 mm 封裝、節距為 0.35mm 的 TPS628610 1 A 降壓轉換器。該 EVM 透過 I²C 的可編程輸出電壓為 0.4 V 至 1.9875 V，在 1.8 V 和 5.5 V 之間的輸入電壓下具有 1% 的準確度。TPS628610 是一款高效率且精巧的解決方案，適合於有限空間應用的負載點 (POL) 轉換器，例如固態硬碟 (SSD)、穿戴式裝置和智慧型手機。

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