BQ40Z50-R1 Datasheet, PDF(2/55 Page) Texas Instruments

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

BQ40Z50-R1 Datasheet, PDF (2/55 Pages) Texas Instruments – Li-Ion Battery Pack Manager

◁

bq40z50-R1

SLUSCB3 â JULY 2015

www.ti.com

Table of Contents

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

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

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

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

5 Description (continued)......................................... 3

6 Pin Configuration and Functions ......................... 3

7 Specifications......................................................... 7

7.1 Absolute Maximum Ratings ...................................... 7

7.2 ESD Ratings.............................................................. 7

7.3 Recommended Operating Conditions....................... 8

7.4 Thermal Information .................................................. 8

7.5 Electrical Characteristics: Supply Current................. 8

7.6 Electrical Characteristics: Power Supply Control...... 8

7.7 Electrical Characteristics: AFE Power-On Reset ...... 9

7.8 Electrical Characteristics: AFE Watchdog Reset and

Wake Timer................................................................ 9

7.9 Electrical Characteristics: Current Wake

Comparator ................................................................ 9

7.10 Electrical Characteristics: VC1, VC2, VC3, VC4,

BAT, PACK .............................................................. 10

7.11 Electrical Characteristics: SMBD, SMBC.............. 10

7.12 Electrical Characteristics: PRES, BTP_INT, DISP

................................................................................. 10

7.13 Electrical Characteristics: LEDCNTLA, LEDCNTLB,

LEDCNTLC ............................................................. 11

7.14 Electrical Characteristics: Coulomb Counter ........ 11

7.15 Electrical Characteristics: CC Digital Filter ........... 11

7.16 Electrical Characteristics: ADC ............................. 11

7.17 Electrical Characteristics: ADC Digital Filter ......... 12

7.18 Electrical Characteristics: CHG, DSG FET Drive . 12

7.19 Electrical Characteristics: PCHG FET Drive ......... 13

7.20 Electrical Characteristics: FUSE Drive.................. 13

7.21 Electrical Characteristics: Internal Temperature

Sensor...................................................................... 13

7.22 Electrical Characteristics: TS1, TS2, TS3, TS4 .... 13

7.23 Electrical Characteristics: PTC, PTCEN ............... 14

7.24 Electrical Characteristics: Internal 1.8-V LDO ..... 14

7.25 Electrical Characteristics: High-Frequency

Oscillator .................................................................. 14

7.26 Electrical Characteristics: Low-Frequency

Oscillator .................................................................. 14

7.27 Electrical Characteristics: Voltage Reference 1.... 15

7.28 Electrical Characteristics: Voltage Reference 2.... 15

7.29 Electrical Characteristics: Instruction Flash .......... 15

7.30 Electrical Characteristics: Data Flash ................... 15

7.31 Electrical Characteristics: OCD, SCC, SCD1, SCD2

Current Protection Thresholds ................................. 16

7.32 Timing Requirements: OCD, SCC, SCD1, SCD2

Current Protection Timing ........................................ 16

7.33 Timing Requirements: SMBus .............................. 17

7.34 Timing Requirements: SMBus XL......................... 17

7.35 Typical Characteristics ......................................... 19

8 Detailed Description ............................................ 22

8.1 Overview ................................................................. 22

8.2 Functional Block Diagram ...................................... 22

8.3 Feature Description................................................. 23

8.4 Device Functional Modes........................................ 26

9 Applications and Implementation ...................... 27

9.1 Application Information .......................................... 27

9.2 Typical Applications ................................................ 28

10 Power Supply Recommendations ..................... 42

11 Layout................................................................... 43

11.1 Layout Guidelines ................................................. 43

11.2 Layout Example .................................................... 45

12 Device and Documentation Support ................. 47

12.1 Documentation Support ........................................ 47

12.2 Community Resources.......................................... 47

12.3 Trademarks ........................................................... 47

12.4 Electrostatic Discharge Caution ............................ 47

12.5 Glossary ................................................................ 47

13 Mechanical, Packaging, and Orderable

Information ........................................................... 47

4 Revision History

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

DATE

July 2015

REVISION

NOTES

Initial Release

Submit Documentation Feedback

Product Folder Links: bq40z50-R1

▷