Datasheet > TPS628502

TPS628502

更新时间： 2024-11-24 02:47:07

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
40页	3372K
描述
TPS62850x-Q1 2.7-V to 6-V, 1-A / 2-A / 3-A Automotive Step-Down Converter in SOT583 Package

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TPS628502 数据手册

TPS628501-Q1, TPS628502-Q1, TPS628503-Q1

SLUSDM0C – MAY 2020 – REVISED OCTOBER 2021

TPS62850x-Q1 2.7-V to 6-V, 1-A / 2-A / 3-A Automotive Step-Down Converter in

SOT583 Package

1 Features

3 Description

•

AEC-Q100 qualified for automotive applications

– Device temperature grade 1:

–40°C to +125°C T_A

Functional Safety-Capable

– Documentation available to aid functional safety

system design

T_J= –40°C to +150°C

Family of 1-A and 2-A (continuous) and 3-A (peak)

converters

Input voltage range: 2.7 V to 6 V

Quiescent current: 17 µA typical

Output voltage from 0.6 V to 5.5 V

Output voltage accuracy ±1% (PWM operation)

Forced PWM or PWM/PFM operation

Adjustable switching frequency of

1.8 MHz to 4 MHz

Precise ENABLE input allows:

– User-defined undervoltage lockout

– Exact sequencing

100% duty cycle mode

Active output discharge

Spread spectrum clocking – optional

Foldback overcurrent protection – optional

Power-good output with window comparator

The TPS62850x-Q1 is a family of pin-to-pin 1-A, 2-A

(continuous), and 3-A (peak) high efficiency, easy-to-

use synchronous step-down DC/DC converters. They

are based on a peak current mode control topology.

They are designed for automotive applications such

as infotainment and advanced driver assistance

systems. Low resistive switches allow up to 2-A

continuous output current and 3-A peak current. In the

TPS62850x-Q1, the switching frequency is externally

adjustable from 1.8 MHz to 4 MHz. The parts can

also be synchronized to an external clock in the same

frequency range. In PWM/PFM mode, the devices

automatically enter power save mode at light loads to

maintain high efficiency across the whole load range.

The family provides a 1% output voltage accuracy in

PWM mode which helps design a power supply with

high output voltage accuracy.

•

The TPS62850x-Q1 are available in a SOT583

package.

•

Device Information

PART NUMBER

TPS628501-Q1

TPS628502-Q1

TPS628503-Q1

PACKAGE⁽¹⁾

BODY SIZE (NOM)

2.1 mm × 1.6 mm

(incl pins)

SOT583

2 Applications

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

•

ADAS camera, ADAS sensor fusion

Surround view ECU

Hybrid and reconfigurable cluster

Head unit, telematics control unit

External amplifier

100

TPS62850x-Q1

0.47mH

V_OUT

2.7 V - 6 V

VIN

C_IN

R₁

C_FF

2*10 mF

0603

C_OUT

2*10 mF

0603

MODE/SYNC

R₂

R₃

COMP/FSET

V_IN= 4.0 V

V_IN= 5.0 V

V_IN= 6.0 V

GND

0.5

1.5

Output Current (A)

2.5

Simplified Schematic

Efficiency Versus I_OUT, V_OUT= 3.3 V

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...40

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与TPS628502相关器件

型号	品牌	获取价格	描述	数据表
TPS6285020MQDRLRQ1	TI	获取价格	TPS62850x-Q1 2.7-V to 6-V, 1-A / 2-A / 3-A Automotive Step-Down Converter in SOT583 Packag
TPS6285021HQDRLRQ1	TI	获取价格	TPS62850x-Q1 2.7-V to 6-V, 1-A / 2-A / 3-A Automotive Step-Down Converter in SOT583 Packag
TPS62850220QDRLRQ1	TI	获取价格	TPS62850x-Q1 2.7-V to 6-V, 1-A / 2-A / 3-A Automotive Step-Down Converter in SOT583 Packag
TPS62850240QDRLRQ1	TI	获取价格	TPS62850x-Q1 2.7-V to 6-V, 1-A / 2-A / 3-A Automotive Step-Down Converter in SOT583 Packag
TPS62850240QDYCRQ1	TI	获取价格	采用 SOT583 封装的 2.7V 至 6V、2A 汽车类降压转换器 \| DYC \| 8
TPS628502DRLR	TI	获取价格	TPS62850x 2.7-V to 6-V, 1-A / 2-A Step-Down Converter in SOT583 Package
TPS628502-Q1	TI	获取价格	TPS62850x-Q1 2.7-V to 6-V, 1-A / 2-A / 3-A Automotive Step-Down Converter in SOT583 Packag
TPS628502QDRLRQ1	TI	获取价格	TPS62850x-Q1 2.7-V to 6-V, 1-A / 2-A / 3-A Automotive Step-Down Converter in SOT583 Packag
TPS628503	TI	获取价格	采用 SOT-583 封装的 2.7V 至 6V、3A 可调频率降压转换器
TPS628503DRLR	TI	获取价格	采用 SOT-583 封装的 2.7V 至 6V、3A 可调频率降压转换器 \| DRL \|

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