BQ24075RGTTG4 查看數據表（PDF） - Teccor Electronics

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BQ24075RGTTG4

1.5-A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC

Teccor Electronics 

bq24072, bq24073, bq24074, bq24075, bq24079

SLUS810L – SEPTEMBER 2008 – REVISED JUNE 2018

www.ti.com

Table of Contents

1 Features .................................................................. 1

2 Applications ........................................................... 1

3 Description ............................................................. 1

4 Revision History..................................................... 2

5 Description (continued)......................................... 4

6 Device Comparison Table..................................... 5

7 Pin Configuration and Functions ......................... 6

8 Specifications......................................................... 8

8.1 Absolute Maximum Ratings ..................................... 8

8.2 ESD Ratings.............................................................. 8

8.3 Recommended Operating Conditions....................... 8

8.4 Thermal Information .................................................. 9

8.5 Dissipation Ratings ................................................... 9

8.6 Electrical Characteristics......................................... 10

8.7 Typical Characteristics ............................................ 12

9 Detailed Description ............................................ 15

9.1 Overview ................................................................. 15

9.2 Functional Block Diagram ....................................... 16

9.3 Feature Description................................................. 17

9.4 Device Functional Modes........................................ 29

10 Application and Implementation........................ 31

10.1 Application Information.......................................... 31

10.2 Typical Application ................................................ 31

10.3 System Examples ................................................. 36

11 Power Supply Recommendations ..................... 37

12 Layout................................................................... 37

12.1 Layout Guidelines ................................................. 37

12.2 Layout Example .................................................... 38

12.3 Thermal Considerations ........................................ 39

13 Device and Documentation Support ................. 40

13.1 Device Support...................................................... 40

13.2 Related Links ........................................................ 40

13.3 Receiving Notification of Documentation Updates 40

13.4 Community Resources.......................................... 40

13.5 Trademarks ........................................................... 40

13.6 Electrostatic Discharge Caution ............................ 40

13.7 Glossary ................................................................ 40

14 Mechanical, Packaging, and Orderable

Information ........................................................... 41

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision K (March 2015) to Revision L

Page

• Deleted MARKINGS from the Device Comparison Table ...................................................................................................... 5

• Added the RGT0016B and RGT0016C package information to the Device Comparison Table ........................................... 5

• Changed the Pinout images and descriptions ....................................................................................................................... 6

• Change description of the CE pin From: "Connect CE to a high logic level to place the battery charger in standby

mode. In standby mode,..." To ""Connect CE to a high logic level to disable battery charging. OUT is active and

battery supplement mode is still available."............................................................................................................................ 7

• "Changed text in the third paragraph of the Power On section From: When VOUT is above VSC,..." To: "When VOUT is

above VO(SC1),..." ................................................................................................................................................................... 17

• Changed text From: "The valid resistor range is 590 Ω to 5.9 kΩ." To: "The valid resistor range is 590 Ω to 8.9 kΩ."

in the Battery Charging section ............................................................................................................................................ 23

• Changed From: VIN(DT) To: VBAT + VIN(DT) in Table 2 ............................................................................................................ 26

• Changed INTC To: ITS in Figure 24 ....................................................................................................................................... 28

Changes from Revision J (January 2015) to Revision K

Page

• Deleted package type code from Device Comparison Table. See the POA at the end of the data sheet. .......................... 5

• Changed ICHG Battery fast charge current range MIN specification from "150 mA" to "100 mA"......................................... 11

Changes from Revision I (January 2014) to Revision J

Page

• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation

section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and

Mechanical, Packaging, and Orderable Information section .................................................................................................. 1

2

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