BQ40Z50-R1 datasheet(2/56 Pages) TI2

2 / 56 page

bq40z50-R1

SLUSCB3 – JULY 2015

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Table of Contents

7.24

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

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

7.25

Electrical Characteristics: High-Frequency

Applications ........................................................... 1

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

Description ............................................................. 1

7.26

Electrical Characteristics: Low-Frequency

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

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

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

7.27

Electrical Characteristics: Voltage Reference 1.... 15

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

7.28

Electrical Characteristics: Voltage Reference 2.... 15

7.29

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

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

7.30

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

7.1

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

7.31

Electrical Characteristics: OCD, SCC, SCD1, SCD2

7.2

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

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

7.3

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

7.32

Timing Requirements: OCD, SCC, SCD1, SCD2

7.4

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

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

7.5

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

7.33

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

7.6

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

7.34

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

7.7

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

7.35

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

7.8

Electrical Characteristics: AFE Watchdog Reset and

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

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

8.1

Overview ................................................................. 22

7.9

Electrical Characteristics: Current Wake

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

8.2

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

7.10

Electrical Characteristics: VC1, VC2, VC3, VC4,

8.3

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

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

8.4

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

7.11

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

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

7.12

Electrical Characteristics: PRES, BTP_INT, DISP

9.1

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

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

9.2

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

7.13

Electrical Characteristics: LEDCNTLA, LEDCNTLB,

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

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

Layout................................................................... 43

7.14

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

11.1

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

7.15

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

11.2

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

7.16

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

7.17

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

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

7.18

Electrical Characteristics: CHG, DSG FET Drive . 12

12.1

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

7.19

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

12.2

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

7.20

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

12.3

Trademarks ........................................................... 47

7.21

Electrical Characteristics: Internal Temperature

12.4

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

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

12.5

Glossary ................................................................ 47

7.22

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

Mechanical, Packaging, and Orderable

7.23

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

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

4 Revision History

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

DATE

REVISION

NOTES

July 2015

Initial Release

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