Constant voltage and constant current controller for battery chargers and adapters

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  • The TSM1052 is a highly integrated solution for SMPS applications requiring a dual control loop to perform CV (constant voltage) and CC (constant current) regulation.

    The TSM1052 integrates a voltage reference, two op amps (with OR-ed open-drain outputs), and a low-side current sensing circuit.
    The voltage reference, along with one op amp, is the core of the voltage control loop; the current sensing circuit and the other op amp make up the current control loop.
    The external components needed to complete the two control loops are: A resistor divider that senses the output of the power supply (adapter, battery charger) and fixes the voltage regulation set point at the specified value; A sense resistor that feeds the current sensing circuit with a voltage proportional to the dc output current; this resistor determines the current regulation set point and must be adequately rated in terms of power dissipation; Frequency compensation components (RC networks) for both loops.
    The TSM1052, housed in one of the smallest package available, is ideal for space-shrunk applications such as adapters and chargers.

    Key Features

    • Easy frequency compensation
    • Wired-or open-drain output stage
    • Secondary-side constant voltage and constant current control
    • Very low quiescent consumption
    • Very low voltage operation
    • Low external component count
    • SOT23-6 micro package
    • High-accuracy internal reference

样片和购买

产品型号
封装
包装类型
温度(ºC) Reference Voltage (V) (nom)
供货状态
预算价格(US$)
数量
More info
从分销商订购
从ST订购
min
max
TSM1052 SOT23-6L Tape And Reel -10 85 1.21
批量生产
0.216 1000
MORE INFO

ECCN (US):

EAR99

Country of Origin:

MALAYSIA

查看供货情况

Distributor availability ofTSM1052

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 2890 1 Order Now
RS COMPONENTS EUROPE 5840 1 Order Now
AVNET AMERICA 21000 0 Order Now
ARROW EUROPE 12000 0 Order Now
ARROW AMERICA 15000 3000 Order Now
P&S ASIA/PACIFIC 460 1 Order Now
MOUSER WORLDWIDE 2906 1 Order Now
Farnell Element14 EUROPE 11389 1 Order Now
ANGLIA Live EUROPE 9000 3000 Order Now

代理商库存报告日期: 2019-11-11

代理商名称

DIGIKEY

库存

2890

Min.Order

1

地区

WORLDWIDE Order Now

RS COMPONENTS

库存

5840

Min.Order

1

地区

EUROPE Order Now

AVNET

库存

21000

Min.Order

0

地区

AMERICA Order Now

ARROW

库存

12000

Min.Order

0

地区

EUROPE Order Now

ARROW

库存

15000

Min.Order

3000

地区

AMERICA Order Now

P&S

库存

460

Min.Order

1

地区

ASIA/PACIFIC Order Now

MOUSER

库存

2906

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

11389

Min.Order

1

地区

EUROPE Order Now

ANGLIA Live

库存

9000

Min.Order

3000

地区

EUROPE Order Now

代理商库存报告日期: 2019-11-11

立即购买

TSM1052

封装

SOT23-6L

包装类型

Tape And Reel

单价(US$)

0.216*

Distributor availability ofTSM1052

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 2890 1 Order Now
RS COMPONENTS EUROPE 5840 1 Order Now
AVNET AMERICA 21000 0 Order Now
ARROW EUROPE 12000 0 Order Now
ARROW AMERICA 15000 3000 Order Now
P&S ASIA/PACIFIC 460 1 Order Now
MOUSER WORLDWIDE 2906 1 Order Now
Farnell Element14 EUROPE 11389 1 Order Now
ANGLIA Live EUROPE 9000 3000 Order Now

代理商库存报告日期: 2019-11-11

代理商名称

DIGIKEY

库存

2890

Min.Order

1

地区

WORLDWIDE Order Now

RS COMPONENTS

库存

5840

Min.Order

1

地区

EUROPE Order Now

AVNET

库存

21000

Min.Order

0

地区

AMERICA Order Now

ARROW

库存

12000

Min.Order

0

地区

EUROPE Order Now

ARROW

库存

15000

Min.Order

3000

地区

AMERICA Order Now

P&S

库存

460

Min.Order

1

地区

ASIA/PACIFIC Order Now

MOUSER

库存

2906

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

11389

Min.Order

1

地区

EUROPE Order Now

ANGLIA Live

库存

9000

Min.Order

3000

地区

EUROPE Order Now

代理商库存报告日期: 2019-11-11

Operating Temperature (°C)

(min)

-10

(max)

85

Reference Voltage (V) (nom)

1.21

供货状态

批量生产

单价(US$)

0.216

数量

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商

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出版刊物和宣传资料

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      Power Management Guide

产品型号 供货状态 封装 等级规格 符合RoHS级别 Material Declaration**
TSM1052
批量生产
SOT23-6L 工业 Ecopack2

TSM1052

Package:

SOT23-6L

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

SOT23-6L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.