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BQ27Z561-R1

SLUSDH5 – MARCH 2019

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Copyright © 2019, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

Description (cont.) ................................................. 3

6

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

7

Specifications......................................................... 4

7.1

Absolute Maximum Ratings ...................................... 4

7.2

ESD Ratings.............................................................. 4

7.3

Recommended Operating Conditions ....................... 4

7.4

Thermal Information .................................................. 4

7.5

Supply Current .......................................................... 5

7.6

Internal 1.8-V LDO (REG18)..................................... 5

7.7

I/O (CE, PULS, INT).................................................. 5

7.8

Internal Temperature Sensor .................................... 5

7.9

NTC Thermistor Measurement Support.................... 5

7.10

Coulomb Counter (CC) ........................................... 5

7.11

Analog Digital Converter (ADC) .............................. 6

7.12

Internal Oscillator Specifications ............................. 6

7.13

Voltage Reference1 (REF1).................................... 6

7.14

Voltage Reference2 (REF2).................................... 7

7.15

Flash Memory ......................................................... 7

7.16

7.17

7.18

7.19

HDQ Timing ............................................................ 8

7.20

Typical Characteristics .......................................... 10

8

Detailed Description ............................................ 10

8.1

Overview ................................................................. 10

8.2

Functional Block Diagram ....................................... 11

8.3

Feature Description................................................. 11

8.4

Device Functional Modes........................................ 13

9

Applications and Implementation ...................... 14

9.1

Application Information............................................ 15

9.2

Typical Applications ............................................... 15

10

Power Supply Requirements ............................. 17

11

Layout................................................................... 17

11.1

Layout Guidelines ................................................. 17

11.2

Layout Example .................................................... 18

12

Device and Documentation Support ................. 19

12.1

Documentation Support ........................................ 19

12.2

Receiving Notification of Documentation Updates 19

12.3

Community Resources.......................................... 19

12.4

Trademarks ........................................................... 19

12.5

Electrostatic Discharge Caution ............................ 19

12.6

Glossary ................................................................ 19

13

Mechanical, Packaging, Orderable

Information ........................................................... 19

4 Revision History

DATE

REVISION

NOTES

March 2019

*

Initial Release